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Introduction to Redis HGET

Redis HGET is used to return all values and fields which was stored in the key. At the time of returning any value every name of the field is followed by the value, so we can say that the reply length is double to the hash size. Basically, it is used for getting the values that were associated with the field into the key stored in the hash value.

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What is Redis HGET?

If the hget key does not exist, or if the key exists but the hash value does not contain the field that was specified, it will return nil as an output. If the key exists and is stored in the key, an error will be returned by using the datatype hash. When we use hget, we must first use hget to define the value by using redis hset. We can’t use redis hget without hset. When we use redis hget, we must define the key name and field. When we use the redis hset, we define the key name. The key name and field value is defined in redis hset, and the same key name is used in redis hget.

Redis HGET Key Field

At the time of using redis hget we need to use two parameters first is the key and another parameter is a field. The below syntax shows how we can define the key field in it.

Syntax:

HGET name_of_key name_of_field

Code:

HMSET hget_key hget_field "redis" HGET hget_key hget_field

Output:

In the above example, we can see that after using the key field as hget_field, it will be retrieving all the values from the specified field. We can also use multiple field names with a single key at the time of using hget. In the below example, we can see that we are using multiple field names to define the redis hget. In the below example, we are using the key names redis_hget and field names hget_field1, hget_field2, hget_field3, and hget_field4. The below example shows the redis hget key field as follows.

Code:

HMSET redis_hget hget_field1 "val1" hget_field2 "val2" hget_field3 "val3" hget_field4 "val4" HGET redis_hget hget_field1 HGET redis_hget hget_field3 HGET redis_hget hget_field4 HGET redis_hget hget_field2

Output:

In the above example, we can see that we are defining multiple key field name at the time of defining a single key. We can see that at the time of using hget and specifying the filed name the specified field value will be returned. It will not retrieve all the values which we have set into the redis field.

Redis Hash HGET Command

At the time using redis hget, we need to use the hset and hget commands. While using hget we need to use the first hset command. In the below example, we are not defining the key value so it will give the nil value. It will not provide any output. In the below example, we can see that we are defining the key name as hget_key and the field name as hget_field. But in the hget command, we are using the key name as hget_key1 and the field name as hget_field so it will retrieve the nil value.

Code:

HMSET hget_key hget_field "redis" HGET hget_key1 hget_field

Output:

In the below example, we are not defining the key field so it will give the nil value. It will not provide any output. We can see that we are defining the key name as hget_key and the field name as hget_field. But in the hget command, we are using the key name as hget_key and the field name as hget_field1 so it will retrieve the nil value.

Code:

HMSET hget_key hget_field "redis" HGET hget_key hget_field1

Output:

In the below example, we are defining the key name as hget_key and the field name as hget_field. Also in the hget command, we are using the key name as hget_key and the field name as hget_field so it will retrieve the value as redis.

Code:

HMSET hget_key hget_field "redis" HGET hget_key hget_field

In the below example, we are using multiple key fields to define the redis hget command. Also as per filed name, we are defining the specified value. We are retrieving the value as per the field as follows.

Code:

HMSET hget_multiple field_multiple1 "hget_val1" field_multiple2 "hget_val2" field_multiple3 "hget_val3" field_multiple4 "hget_val4" HGET hget_multiple field_multiple1 HGET hget_multiple field_multiple2 HGET hget_multiple field_multiple3 HGET hget_multiple field_multiple4

Output:

We can also use the hset command with hget. The below example shows the hset command with hget as follows.

Code:

HSET hget_key1 hget_field1 "redis" HGET hget_key1 hget_field1

Output:

We can use hgetall command to display all the fields as follows. In the below example, we are using hgetall.

Code:

HMSET hget_multiple field_multiple1 "hget_val1" field_multiple2 "hget_val2" field_multiple3 "hget_val3" field_multiple4 "hget_val4" HGETALL hget_multiple

Output:

Redis HGET Add and Remove Elements

Code:

import redis redisClient = redis.StrictRedis (host='localhost', port=6379, db=0) redisClient.hset ("NumberVsString", "11", "Eleven") redisClient.hset ("NumberVsString", "12", "Twelve") print("Key val twelve") print(redisClient.hget("NumberVsString", "12")) print ("Hash key present:"); print(redisClient.hkeys ("NumberVsString")) print("Redis hash value:"); print(redisClient.hvals ("NumberVsString")) print("Redis hash key:") print(redisClient.hgetall ("NumberVsString"))

Output:

The below example shows redis get add and remove elements as follows. We are using the hgetall method as follows.

Code:

import redis import redis r_cli = redis.StrictRedis (host='localhost', port=6379, db=0) h_name = "Color" r_cli.hset (h_name, 1, "Black") r_cli.hset (h_name, 2, "White") print (r_cli.hgetall(h_name)) r_cli.hdel(h_name, 1) print(r_cli.hgetall(h_name))

Output:

FAQ

Given below are the FAQs mentioned:

Q1. What is the use of redis HGET?

Answer: It is basically used to return the value associated with the stored key and the field.

Q2. Which methods we are using with redis HGET?

Answer: At the time of using it we need to define the method name as hset and hmset. We can use any of the methods for the same.

Q3. Which parameter do we need to pass at the time of using redis hget?

Answer: We need to pass the key name and field name at the time of using it.

Conclusion

If hget key does not exist, or if the key has existed and the hash value does not contain the field which was specified then it will return the nil as an output. Basically, it is used for getting the values that were associated with the field into the key stored in the hash value.

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This is a guide to Redis HGET. Here we discuss the introduction, key field, redis HGET add and remove elements, and FAQ. You may also have a look at the following articles to learn more –

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Key #Seotips From The 1St Karachi Seo Meetup

Note from Ann: We a SEJ are all for knowledge exchange and therefore we encourage various SEO meetups and evens and always agree to cover them. Here’s one of the most recent SEO meetups covered by our guest author.

SEO is not always a glorious profession, it requires a great deal of motivation and interest and without it one can fail miserably. In order to stay on top and up-to-date with technologies, one should continuously participate in research, sharing experiences, attending webinars, meetups, conferences and others.

The culture of exchanging knowledge and experiences is very common in the regions like United States, UK and some other regions. I am really a fan of collective research and combined education – so I and few like-minded friends from the industry organized a small meetup where we invited other professionals from the search industry and discussed the latest trends and updates of the industry.

I was the Speaker at the First Karachi SEO Meetup and we covered the following points:

History of Search Engine:

With the undeniable fact that the terminology of SEO was first used by Bruce Clay and John Audette even before the Google came in to being, we discussed how search engines have been evolving over the time.

Search Engine Algorithms:

Although this is a complete chapter and it requires hours of conversations, we moved from the history to search engine algorithms and tried to discuss the basics of how search engine algorithms work and mentioned the few fundamental reasons why Google and other search engine change their algorithms from time to time.

This is a fact that Google tests 500 to 600 algorithm updates in a year (though not all of them are permanent) – there are a few very big and powerful updates that Google has introduced to make search results faster and more accurate.

We discussed a few powerful algorithms that Google has brought from 2009 till the latest Panda Update in 2011.

Canonical Tag:

Canonical tag was first introduced by Google and the purpose of this tag was to reduce the duplicate content issue within the website. For example, if you have two different URLs that contain the same content, the canonical tag will tell Google that one of the pages is original.

We also talked about the duplicate content between two different website and then we discussed the cross-domain canonical to reduce the duplicate content issue between the websites.

No-Follow Link Attribute:

The topic has been previously discussed by me in detail. The attribute itself is not a rocket science to anybody today but the way we discussed it was a bit different from the casual one. We actually discussed the value of no-follow tag in terms of ranking and conversions to the website.

Sentiment Analysis to Links:

Updated in 2010 this is one of the important but less discussed Google Algorithms. The purpose of this algorithm was to identify if the link within the article or post is reward to the company or a bad fame. In order to identify this, Google updated the algorithm which they named Sentiment Analysis to links.

The Big Panda Update:

The Panda is not new to anyone out there, so instead of discussing what it actually is, we tried to talk about how to recover from panda and what are the very basic strategies to follow that take the Panda away from the website.

About the Meetup:

The meetup was arranged by 3wogle IT House in their open air auditorium. They have plans to arrange these kinds of meetups on regular basis (at least once a month). They have already announced the topic for their upcoming meetup that is ‘Social Media Marketing’

Anyone interested to join the upcoming meetups can join their facebook fan page for updates.

8 Key Future Marketing Trends

Making purpose core to your marketing strategy

As a futurist, I always remind my clients that the future isn’t just somewhere we go but something we actively create. Simply because our actions today directly influence and shape our business of tomorrow.

In this article I introduce some of the key trends I discussed in my Smart Insights webinar on December 18th 2014- The Marketing Trends Management Toolkit – free registration to view here:

If you attend the webinar you will have a chance to win a free copy of my new book the Trends Management Toolkit with a prize draw during the webinar and we will offer a 30% discount code to all who participate.

Today, only 1 in 5 brands globally are perceived as making a difference to people’s well-being, illustrating the huge disparity between how traditional profit-driven organisations think they are performing and how their stakeholders experience their products and services. In a world of increasing complexity and challenges, a consistent 4P approach – considering People, Planet and Purpose alongside Profit – will be key to success in the 21st-century’s highly competitive business environment.

Making ‘purpose-driven’ leadership the fundamental principle of your organisation and business strategy is the core discourse explored in my new book The Trend Management Toolkit – A Practical Guide to the Future. Four broad guidelines in a purpose driven economy should inform all communication with internal and external stakeholders.

Be honest: 4 in 5 people globally say that CEOs should communicate transparently to build trust, so engaging in genuine two-way dialogue with all stakeholders is a strategy that will pay off.

Act authentic: Smart organisations recognise that the word ‘consumer’ is outmoded and therefore create opportunities for genuine engagement with people, helping them make better choices.

Show engagement: Participation in the global conversation about how we move towards a ‘betterness’ society is key – be open to all suggestions for how your organisation can make a positive difference.

Create the future: Don’t just live in the present – actively map the future you want, and share your vision in all your communication to invite everyone to participate and make it happen.

To make your messages impactful, you need to understand how emerging influences are reshaping the society we live and do business in. Here are eight key trends drawn from the Kjaer Global Trend Atlas that will help you design future-focused marketing strategies.

1. Radical Openness starts inside your organisation

Reputation is your most valuable asset, but building trust only works if employees understand your goals and care enough to be your brand ambassadors. That’s clearly not the case for many organisations today, since a 2012 survey of 97,000 people in 30 countries found that 48% of people would not recommend the organisation they work for.

GE – which has 300,000 employees in multiple locations – provides a great example of how social media can be a strong driver for collaboration and building trust. Using a variety of social media platforms, GE invite both their workforce and external stakeholders to join in and influence the conversation, demonstrating that this is a transparent organisation with a strong culture and clear goals.

2. Digital transformation is a journey not a destination

It’s not enough to embrace digital tools, you have to use them creatively to make a positive difference to people’s lives. That means fast, accessible and multi-channel platforms that bring tangible benefits for your customers. IKEA’s AR app helps people overcome the problem of visualising a product in their home space.

Instead of sketches and tape measure, they use augmented reality (AR) to position virtual products in their home, helping them plan makeovers and get creative about their space. The added benefit for IKEA is reducing the number of customer returns (almost 15%) because people miscalculate how furniture will fit in their home. 

3. Urbanisation means opportunities to drive positive change

Tomorrow’s cities have the potential to be living organisms that act as intelligent and automated distribution networks between buildings, transportation, goods and services, connecting people and businesses instantaneously. Big Data is already bringing a whole host of opportunities to enter this space and boost your business image and performance by working for the common good.

For instance, New York ‘geeks’ are using city data analytics to solve longstanding urban challenges and make the city more liveable, while the Citymapper app helps people plan faster, cheaper and smoother journeys in a bid to reinvent the city. Access to and sharing of aggregated data sits at the heart of smart urban development and positive change.

4. Smart Living invites us to collaborate for mutual benefit

The Internet of Everything (IoE) is bringing connectivity on a grand scale – with 50 billion devices connected by 2023 according to a recent forecast. Phones, wearables, consumer devices and other smart objects are already having silent conversations with each other in the background, opening up a whole new understanding of human behaviour with huge potential to facilitate meaningful experiences and better lives.

Already, almost 70% of Americans are taking control of their well-being through digital health monitoring. The key word here is collaboration, since Smart Living is an opportunity for business to collaborate with people to build better life, health and job outcomes.

5. Engage with Global Citizens to build your influence

Global Citizens are Millennials who see a world without borders. This mobile and tech savvy group are vital influencers so you need to make them part of your community, as customers and employees. It’s estimated they will make up half the workforce and most international assignments by 2023.

The key to engagement lies in the 4Ps, since over a third of Millennials believe that the goal of ‘improving society’, should be at the core of every business. This group wants to know why they should buy from you or work for you – and that’s a clear motivator for ensuring purpose sits at the core of your organisation’s ethos.

6. Betapreneurship means seeing failure as a learning curve

A spirit of Betapreneurship is empowering people and businesses to make change happen by fostering collaboration around a new ‘redesign and rethink’ culture. One of my current favourite disruptive business case is iFixit – a global online repair manual and community that aims to ‘fix the world, one device at a time’.

This positive thinking is implicit in purpose-driven organisations. 3M introduced its 15% ‘time to think’ programme in 1948, and many great initiatives and innovations like the Post-It note are the result. Similarly, Google’s 20% time invites in-house entrepreneurial thinking and encourages collaboration. Organisations simply must foster disruptive innovation to thrive, as new people-led alliances will be the fuel that drives successful organisations of the future.

7. Build Social Capital and use resources wisely

Business needs to be at the centre of the communities it serves and that means developing new systems and innovation models that take account of how our lives are changing. With concerns about finite resources and a growing interest in the circular economy, people are increasingly favouring access over ownership. Success stories such as Airbnb and Zipcar are just the start of this transition, so you need to look at how you can help people live better lives, use less and build communities based around sharing resources.

8. It all comes down to ‘The Good Life’

Conventional ways of measuring success – corporate and individual – are increasingly being re-evaluated, but our goal remains achieving ‘The Good Life’. All the trends outlined here relate back to this fundamental principle. That means organisations should focus on well-being experiences to build real value and a lasting legacy. One thing is clear: brands that engage in empathic leadership through a purposeful strategy, and then deliver on their promises to internal and external stakeholders, are best prepared to survive the challenges of the future business environment.

Connecting the dots

Drawing a ‘Mindset Diagram’ of tomorrow’s people is a great way to connect the eight trends and sum up the core drivers that will underpin tomorrow’s successful digital strategies. Technology Optimisers and Creative Collaborators are people who prioritise ‘access’ and ‘collaboration’, while Global Sustainers and Inclusive Visionaries look for ‘community’ and ‘engagement’.

Key Recording, Playback And Triggering Keys

 PDF

The recording and playback features will allow the developers to record all the keyboard keys and later play/replay them, as and when required.

This will help the developers to automate and replay certain keystrokes repeatedly during testing of the code for various performance testing needs, as well as while debugging a project and automate multiple steps required to do the needful.

The steps to get the Key Recording done are:

Start the Recording

Navigate through the sequence of key strokes

Dump the Recorded information

Stop the Recording

The dumped recorded information when opened in Textpad, is as shown below:

As seen in the figure, the macros are appended to the file chúng tôi within the application path. Comma-separated Keys are written in the file against each macro name separated with the separator symbol specified while dumping the macro from the memory to the file.

If the Macro gets recorded beyond 4000 characters, the Function $$FileRead cannot read further, which means that Keys beyond 4000 characters cannot be played back.

Hence, the Macro Recording capability has been enhanced in such a way that after recording 4000 characters, a new macro gets created automatically, and the subsequent keys are recorded in the new macro. The new macro will bear the same macro name, with a number concatenated to it. All the Macros created will be dumped in a single file, and replayed when required. Thus, n number of macros can be recorded in a file, read and played back.

For example, if the Name of the Macro is Testing, then after every 4000 characters, a new Macro is created with the Name Testing-1, Testing-2,…Testing-n. Thus, there is no limit to the number of characters which can be recorded, read and played back.

The following Calculator Pane Commands are supported for Key Recording and Playback:

Record Mode gives various commands to help the developer in recording keys. The mode should be set by specifying the mode as Record.

Syntax

MODE : Record

The following commands can be specified in the Calculator Pane once the Mode is set to Record:

This command is used to start recording a macro.

Syntax

Where,

Example

START : BSView

It is used to replay the recently recorded macro from the memory, but before the same is dumped into a file. If the macro is already dumped into a file, the same is cleared from the memory and will not be available for Replay. The macro from the file can then be replayed using File I/O Approach and Action ‘Trigger Key’ (explained later), but cannot be replayed through Calculator Pane.

Syntax

REPLAY

This command is used to pause the recent recording.

Syntax

PAUSE

This command is used to resume the recently paused recording.

Syntax

RESUME

This command is used to dump the recording to the file chúng tôi The macro name will be separated from the keys with the ‘separator character’ specified as the parameter. It also clears the keys in memory.

Syntax

DUMP[: ~]

This command is used to stop recording the recent macro.

Syntax

STOP

This command is used to list the macros which are recorded and available in the memory. The dumped macros will not be listed as they are cleared from the memory as soon as they are dumped in the file.

Syntax

LS

This command provides a list of all the recording commands, with description of their purpose.

Syntax

HELP

To reset command prompt to regular behaviour, you need to mention MODE.

To perform all the above actions or Calculator Pane Commands, Tally must be executed in DevMode.

Apart from Calculator Pane Commands, there are several TDL Actions provided to programmatically execute the Key Recording operations. They are:

This action is used to start recording every key entered in the memory, with the specified macro name. In the absence of optional parameter Macro Name, default name assumed will be ‘Macro’.

Syntax

Where,

Example

[Button: Start Recording]

Title : “Start”

Key : Alt + C

Action : Start Recording : “BS View”

This action pauses the recording, which can be resumed further. For instance, while recording multiple Vouchers, we might have to run through the Report to check the Number of vouchers, Amount, etc., and then resume recording the Vouchers.

Syntax

Pause Recording

Example

[Button: Pause Recording]

Title : “Pause”

Key : Alt + U

Action : Pause Recording

This action resumes the paused recording.

Syntax

Resume Recording

Example

[Button : Resume Recording]

Title : “Resume”

Key : Alt + M

Action : Resume Recording

This action dumps all the recordings to a file with the given separator. Each recording is dumped with its name and keys. This also clears the keys in memory.

Syntax

Where,

Example:

[Button : Dump Recording]

Title : “Dump”

Key : Alt + G

Action : Dump Recording : “BSView” : “,”

From Release 4.7 onwards, the Action ‘Dump Recording’ has been enhanced to write the macros to a File specified by the user. The Action ‘Dump Recording’ will accept 2 optional parameters, viz. File Name and Separator.

If the File Name is left unspecified, then by default, the Action would dump the recording to the file Macros.log.

If the Separator is left unspecified, then by default, the system would consider Tilde (~) as the default separator.

Syntax

Where,

Example

[Button : Dump Recording]

Title : “Dump”

Key : Alt + U

Action : Dump Recording : “BSView.txt” : “-”

The behaviour of Calculator Pane Command Dump is retained as in Release 4.6, i.e., it will create a file with the name chúng tôi in the Tally Application Folder.

This action stops the recording.

Syntax

Stop Recording

Example

[Button : Stop Recording]

Title : ” Stop”

Key : Alt + N

Action : Stop Recording

The recordings once dumped in a file against a name using the above actions, can be replayed by reading the file using File I/O approach and Triggering the keys in a loop using the Action ‘Trigger Key’, which will be covered ahead.

When the macro keys are recorded using Key Recording Actions or when they are dumped into the Macros File from the Calculator Pane Command; in order to play them back, one needs to make use of the Action Trigger Key, which sends the list of keys in sequence to the system as if an operator is pressing those Keys. The Keystrokes of a required macro can be copied from Macro Log file and pasted against the ‘Trigger Key’ Action, which triggers all those Keys in sequence as required.

Syntax

Example

Trigger Key : V, F5, Enter, “Cash”, Enter, “Conveyance”, Enter, “50”, Ctrl+A

When the macro keys are recorded using Key Recording Actions or when they are dumped into the Macros File from the Calculator Pane; in order to play them back, one needs to make use of the Action Trigger Key, which sends a list of keys in sequence to the system as if an operator is pressing those Keys.

Example: 1

Trigger Key : DD, Enter : 5, “Item 1”, Enter

This is the same as:

Trigger Key : DD, Enter, Enter, Enter, Enter, Enter, “Item 1”, Enter

Following happens when the above Action is invoked from Gateway of Tally:

The First D navigates us to Display.

The Subsequent D navigates us to Daybook.

Enter:5 triggers the Enter Key 5 times, i.e., Drills down into the current voucher, accepts 4 subsequent non-skipped fields, and moves to the 5th non-skipped Field in the Voucher.

In the Fifth field, the text Item 1 is entered.

The Subsequent Enter then accepts the current field, and the focus is shifted to the next non-skipped field.

Example: 2

Trigger Key : DS, Enter:3

The following function has been introduced for key recording:

This function is used to check the status of the recorder. It returns a String value to indicate whether it is in Started, Stopped or Paused mode.

Syntax

$$RecorderStatus

Cohesion, Communication Key To Bu’s Future

Cohesion, Communication Key to BU’s Future Brown reports on plans and strategy at staff conference

President Robert Brown discusses the One BU Strategic Plan at the 2007 Boston University Management Conference, held yesterday in Metcalf Hall at the George Sherman Union. Photo by Fred Sway

Speaking to more than 400 staff members at the 2007 Boston University Management Conference, held in the George Sherman Union’s Metcalf Hall yesterday, President Robert A. Brown talked about the importance of communication, the progress of the University’s strategic plan, and why the letters “BU” must no longer be thought of as “the first two letters in bureaucracy.”

“Our collective goal should be to engage one another in critical conversations as we work together toward building a better university,” he said. “It is important for change, and I think everyone senses the changes around us.”

Brown discussed in detail the purpose and progress of the University’s strategic plan, commonly called One BU. “The soul of the plan involves focusing the majority of our energies on common goals that link the entire University,” he said.

Brown told the staff that a report issued by the Strategic Planning Coordinating Task Force in December had outlined long-term strategies and visions for undergraduate and graduate education, research, faculty, student life, and administrative services. The objective, he said, was to create a strategic vision for BU from the bottom up.

He explained that he had first requested each college to come up with a set of ideas about how to nurture its own academic programs. But, he said, that effort alone could not accomplish the greater goal of pulling the University together. “We are a unique, large, diverse, high-quality university with a common level of connectivity and collaboration among its faculty, students, and staff,” he said. “But for BU to become a great urban research institution, every department in every college must work together.”

The president highlighted 9 points (edited down from an original 12) addressed by the strategic plan, including an expansion of BU’s connections to the city of Boston and to the rest of the world. “I want to emphasize what the B stands for in One BU,” he said, “because the city of Boston is one of our greatest assets.”

Brown believes that the University’s internships, community service, study abroad programs, and training of students and faculty for global shifts in economics, politics, and research, he said, would help BU cultivate a core ideology that will guide future growth. He also spoke of the importance of engaging alumni in new and different ways.

“We have an extensive alumni base,” he said, “but in the past, we have not fully engaged them.”

“Opportunism characterized BU throughout the 1970s,” Mercurio said. “That cannot continue. In the future, BU must consciously play a role in the direction it is heading.”

Mercurio described several planned improvements, such as expanded sidewalks and renovations to the College of Fine Arts and the School of Law. He also described a long-range planning study that proposes stronger links between East and West Campuses (see today’s related article, “Study Sees New Campus Center Near BU Bridge”). All of which would require very large investments, he said, and for the University to continue the kind of growth it has enjoyed in recent decades, it would have to find new methods of funding projects. In the past, according to Mercurio, BU has borrowed nearly 50 percent of the money used to complete its building projects. “We want to reverse our strategies,” he said. “We need to find ways to make philanthropy and grants make up the bulk of our funding.”

Explore Related Topics:

Kde 4: Key Improvements And User Tips

After three weeks of using KDE 4 on my laptop, I continue to find new features and changes. I am aware of the dictionary of special names that make up the back end of the new KDE — Oxygen, Plasma, Phonon, and the rest — but just as often as the major features, it’s the little items that I find welcome as much as the large ones. Increasingly, I’m looking at KDE 4 as a statement about what a desktop should be, and contrasting it with my own ideas on the subject.

This week, I’m taking the opposite approach, and listing the items, big and small, that impress me about the latest release of KDE 4, in the hopes of offering some starting points for others’ exploration of the new desktop. I have left out long-established features, such as virtual desktops, to focus on the new ones.

The default desktop themes can play a large role in the acceptance of a new desktop. KDE 3 could be tweaked into a thing of beauty, but out of the box, it seemed garish and primitive in almost every distribution I tried it in.

By contrast, KDE 4 starts with the subdued colors and clean lines of Oxygen themes and photo-realistic icons, and uses scalable vector graphics. You can examine the result in detail in some of the games like KGolf or Klines, or in the Marble desktop globe, but the difference is obvious from the moment you log in. Like me, you might prefer to think that you are only concerned with functionality and scorn eye-candy, but with its understated elegance, KDE 4 will prove you wrong.

KDE 3 was the only major desktop for GNU/Linux that included a font installer. That alone made KDE the desktop of choice for graphic designers. The main drawback was that each typeface was treated individually — that is, the font installer would treat the regular, italic, bold, and bold italics of the same family as separate entries. This practice made finding a font more difficult. It also made font management more challenging, since designers often load fonts, then unload them when they’re not needed in order to avoid swamping system memory with thousands of fonts.

The KDE 4 font installer has eliminated these problems by automatically grouping typefaces by families, so they can be deleted either by family or by individual typeface. In addition, while offering a brief preview in the main window of the installer, KDE 4 also gives you the option of a longer preview in which you can choose which Unicode characters you want to view.

Some of KDE’s utilities, such as Klipper, KInfoCenter, and Knotes are largely unchanged in the new version of the desktop. However, some like Konsole have undergone an interface revision. Others have added functionality, including, KCharSelect, which now not only shows the glyphs for a typeface, but also gives information about how each character is encoded in Unicode and its various manifestations, as well as alternative names for a character (such as “bang” for exclamation mark). Other utilities are completely new, including Marble, a 3-D geographical search engine.

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