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When should I use Lazy?
...e cost.
Usually this is preferable when the object may or may not be used and the cost of constructing it is non-trivial.
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Why do we need a fieldset tag?
...ch as a screen reader) is being used where the association of the controls and their legend cannot be implied by visual presentation.
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How to get users to read error messages?
...ind yourself at a high risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration.
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Should I size a textarea with CSS width / height or HTML cols / rows attributes?
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I recommend to use both. Rows and cols are required and useful if the client does not support CSS. But as a designer I overwrite them to get exactly the size I wish.
The recommended way to do it is via an external stylesheet e.g.
textarea {
widt...
How to create the perfect OOP application [closed]
...tly I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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Canary release strategy vs. Blue/Green
My understanding of a canary release is that it's a partial release to a subset of production nodes with sticky sessions turned on. That way you can control and minimize the number of users/customers that get impacted if you end up releasing a bad bug.
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
What difference is there between the WebClient and the HttpWebRequest classes in .NET? They both do very similar things. In fact, why weren't they merged into one class (too many methods/variables etc may be one reason but there are other classes in .NET which breaks that rule).
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How can I list all commits that changed a specific file?
...r solutions include git log path (without the --follow). That approach is handy if you want to track e.g. changes in a directory, but stumbles when files were renamed (thus use --follow filename).
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Bash, no-arguments warning, and case decisions
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I interpreted "and" as "otherwise", assuming that the message would be some help text. But I'm sure Werner is able to figure out what that line does and whether he wants it :)
– Thomas
Mar 11 '10 at 19...
What is the command to list the available avdnames
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AFAIK android list avd avdmanager list avd is what you need.
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