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Extract first item of each sublist
...the 10x difference.
Note that, when I surrounded each code snippet with a call to len, to ensure that Generators run till the end, the timing stayed the same.
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How can I make the computer beep in C#?
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In .Net 2.0, you can use Console.Beep().
// Default beep
Console.Beep();
You can also specify the frequency and length of the beep in milliseconds.
// Beep at 5000 Hz for 1 second
Console.Beep(5000, 1000);
For more information refer htt...
Placeholder Mixin SCSS/CSS
...white;
font-weight:100;
}
SASS Reference has more information, which can be found here:
http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#mixin-content
As of Sass 3.4, this mixin can be written like so to work both nested and unnested:
@mixin optional-at-root($sel) {
@at-root #{i...
How do I find all of the symlinks in a directory tree?
... all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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How to keep index when using pandas merge
...ever, when I do the merge, the resulting DataFrame has integer index. How can I specify that I want to keep the index from the left data frame?
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How to scroll the window using JQuery $.scrollTo() function
...l vs body issue, I fixed this by not animating the css directly but rather calling window.scrollTo(); on each step:
$({myScrollTop:window.pageYOffset}).animate({myScrollTop:300}, {
duration: 600,
easing: 'swing',
step: function(val) {
window.scrollTo(0, val);
}
});
This works nicely w...
Is there a way to change context to iframe in javascript console?
...rames:
Firefox has a similar feature currently in development:
You can also navigate across frames using the command line:
var frame = document.getElementById("frame1").contentWindow;
cd(frame);
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How do I keep a label centered in WinForms?
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thanks decyclone, it worked. can u plz guide what Dock does ?
– haansi
Dec 3 '10 at 10:38
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GetProperties() to return all properties for an interface inheritance hierarchy
Assuming the following hypothetical inheritance hierarchy:
6 Answers
6
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...hiver to convert NSData back to the object.
It is a little cumbersome, because i need to convert to/from NSData everytime, but it just works.
Here is one example per request:
Save:
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSMutableArray *arr = ... ; // set value
NSData ...