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What's the need of array with zero elements?

...n the Linux kernel code I found the following thing which I can not understand. 5 Answers ...
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Font Awesome icon inside text input element

...e placeholder attribute will simply ignore it. UPDATE The before content selector selects the input: input[type="text"]:before. You should select the wrapper: .wrapper:before. See http://jsfiddle.net/allcaps/gA4rx/ . I also added the placeholder suggestion where the wrapper is redundant. .wrap...
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HTML text input allow only numeric input

...x, inputFilter) { ["input", "keydown", "keyup", "mousedown", "mouseup", "select", "contextmenu", "drop"].forEach(function(event) { textbox.addEventListener(event, function() { if (inputFilter(this.value)) { this.oldValue = this.value; this.oldSelectionStart = this.selecti...
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How to reset or change the MySQL root password?

...qld] skip-grant-tables sudo service mysql restart mysql -u root use mysql select * from mysql.user where user = 'root'; - Look at the top to determine whether the password column is called password or authentication_string UPDATE mysql.user set *password_field from above* = PASSWORD('your_new_passw...
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How to style dt and dd so they are on the same line?

... This behaves awkwardly when you select (double click) the first word in the <dd>. It also selects the text inside the <dt> unless there's whitespace (or an   if you're using htmlmin) between the <dt> and <dd>. ...
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Adding a new value to an existing ENUM Type

...rget enum): INSERT INTO pg_enum (enumtypid, enumlabel, enumsortorder) SELECT 'type_egais_units'::regtype::oid, 'NEW_ENUM_VALUE', ( SELECT MAX(enumsortorder) + 1 FROM pg_enum WHERE enumtypid = 'type_egais_units'::regtype ) ...
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TFS: How can you Undo Checkout of Unmodified files in a batch file

...containing' textbox "Tools.External" and assign a shortcut. For instance I selected Tools.ExternalCommand4 since my newly added undo command was the fourth one down. I then assigned shortcut keys Ctrl + Alt + U, Ctrl + Alt + U – Mario Feb 4 '13 at 22:52 ...
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How to read a large file - line by line?

... for line in f: # Do something with 'line' The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't ...
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Unsupported major.minor version 52.0 [duplicate]

...s of your IDE. For example, in Eclipse go to menu Windows → Preferences, select Java, and expand it. Then select Compiler and change the compliance level to 1.7. I am sure this will work from there. share | ...
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What is the IntelliJ shortcut to create a local variable?

... Yep! This is the Introduce Variable refactoring. By default, select some text, and then hit Ctrl + Alt + V (for Mac: ⌘+⌥+V). If the expression is incomplete or invalid, IntelliJ will still make a good guess about what you meant and try to fix it for you. ...