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html5 - canvas element - Multiple layers
...er, for zero lengths the unit identifier is optional (i.e. can be syntactically represented as the <number> 0)." w3.org/TR/css3-values/#lengths
– xehpuk
Feb 18 '16 at 23:00
...
How to easily resize/optimize an image size with iOS?
...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
18 Answers
...
Find out whether Chrome console is open
... answer. This solution takes advantage of the fact that toString() is not called on logged objects unless the console is open.
var devtools = /./;
devtools.toString = function() {
if (!this.opened) {
alert("Opened");
}
this.opened = true;
}
console.log('%c', devtools);
// devtools.ope...
Number of lines in a file in Java
...iles, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?
... to disable the confirm question when delete a file by using 'm + d', It really tedious to confirm, and it need to confirm twice. I just want it no prompt at all. Do you know how to do it?
– mko
Apr 12 '13 at 1:28
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Reset push notification settings for app
I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start.
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How can I join elements of an array in Bash?
... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(<infile).
– TrueY
Jun 8 '13 at 22:55
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Print a list in reverse order with range()?
...te:
If you want to use only range to achieve the same result, you can use all its parameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the ...
How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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UILabel with text of two different colors
...ike this:
NSMutableAttributedString *text =
[[NSMutableAttributedString alloc]
initWithAttributedString: label.attributedText];
[text addAttribute:NSForegroundColorAttributeName
value:[UIColor redColor]
range:NSMakeRange(10, 1)];
[label setAttributedText: text];
...