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How do I check if an array includes a value in JavaScript?
What is the most concise and efficient way to find out if a JavaScript array contains a value?
54 Answers
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Sass and combined child selector
I've just discovered Sass, and I've been so excited about it.
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
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/[$-/:-?{-~!"^_`\[\]]/
There are three ranges. '$' to '/', ':' to '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[].
Use an ACSII table to find ranges for character classes.
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What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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Most efficient way to check for DBNull and then assign to a variable?
...to avoid. By writing row.IsNull(columnName) you're reading it once already and reading it again. Not saying that will make a difference, but theoretically it can be less efficient..
– nawfal
Feb 6 '13 at 16:31
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How to automatically select all text on focus in WPF TextBox?
If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released.
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Define css class in django Forms
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Yet another solution that doesn't require changes in python code and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
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How to mark-up phone numbers?
...allable link in an HTML document. I have read the microformats approach , and I know, that the tel: scheme would be standard, but is quite literally nowhere implemented.
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Get epoch for a specific date using Javascript
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You can create a Date object, and call getTime on it:
new Date(2010, 6, 26).getTime() / 1000
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View the Task's activity stack
I just started developing a simple Android application while I'm still learning the platform.
9 Answers
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