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Git: How to return from 'detached HEAD' state
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edited Jan 25 '16 at 18:32
answered Aug 3 '12 at 18:20
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How to show vertical line to wrap the line in Vim?
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Edit: For Vim >=7.3 see answer below.
Unfortunately vim has no mechanism to display a verti...
How to read and write excel file
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145
Try the Apache POI HSSF. Here's an example on how to read an excel file:
try {
POIFSFileS...
Calling setCompoundDrawables() doesn't display the Compound Drawable
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10 Answers
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Active
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What does a tilde do when it precedes an expression?
...rator that flips all bits in its operand.
For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (...
How can I add CGPoint objects to an NSArray the easy way?
...ding CGPoint for an given index. I don't want to create 50 variables like p1 = ...; p2 = ..., and so on. Is there an easy way that would let me to define those points "instantly" when initializing the NSArray with objects?
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Case insensitive regex in JavaScript
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214
You can add 'i' modifier that means "ignore case"
var results = new RegExp('[\\?&]' + name...
Get number of digits with JavaScript
...d like to know how many digits var number has. For example: If number = 15; my function should return 2 . Currently, it looks like this:
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Ruby on Rails: How do I add placeholder text to a f.text_field?
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271
With rails >= 3.0, you can simply use the placeholder option.
f.text_field :attr, placeholde...