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Fastest check if row exists in PostgreSQL
...f a single row from the batch exists in the table because then I know they all were inserted.
8 Answers
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How to vertically align an image inside a div
...align another inline-block element in it (<img/> in your case) vertically near it.
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In vim, how do I go back to where I was before a search?
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You really should read :help jumplist it explains all of this very well.
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How to change the CHARACTER SET (and COLLATION) throughout a database?
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Do you really need to use "ALTER TABLE <table_name> MODIFY <column_name> ...". According to dev.mysql.com/doc/refman/5.5/en/alter-table.html it seems "ALTER TABLE <table_name> CONVERT TO CHARACTER SET ..." also chan...
Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
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How to run a single test from a rails test suite?
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I'm personally a fan of the regex form: -n "/good/". Shell escaping is always fun, so I tend to stick to simple regexes, but it's far easier than writing out the full test name all the time.
– Groxx
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What is the easiest way to get current GMT time in Unix timestamp format?
...hon on modern platforms, including Linux, BSD, Mac OS X, and Windows, will all return UTC for time.time(). This mirrors the behavior of the C standard library's time function on these OS's.
– Edmond Burnett
May 26 '13 at 7:21
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How can I create tests in Android Studio?
...ow testing works. If you follow along for the next 10 minutes, you will be all set up to start adding your tests to your own app. I think you'll be surprised how easy it is. I certainly was.
Intro to Android Testing
There are two different types of tests that you will do.
Local unit tests. These ar...
Create a CSS rule / class with jQuery at runtime
Usually I have a CSS file which has the following rule:
21 Answers
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How to handle dependency injection in a WPF/MVVM application
...rd and it has a good documentation (and plenty of answers on SO).
So basically it goes like this:
Create the view model, and take the IStorage interface as constructor parameter:
class UserControlViewModel
{
public UserControlViewModel(IStorage storage)
{
}
}
Create a ViewModelLoca...