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Convert a list of data frames into one data frame
...t;- ldply(listOfDataFrames, data.frame)
This is a little slower than the original:
> system.time({ df <- do.call("rbind", listOfDataFrames) })
user system elapsed
0.25 0.00 0.25
> system.time({ df2 <- ldply(listOfDataFrames, data.frame) })
user system elapsed
0....
getActionBar() returns null
...
Can use getSupportActionBar() instead of getActionBar() method.
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PHP Pass by reference in foreach [duplicate]
...e.
You can see it like that:
$a = array ('zero','one','two', 'three');
foreach ($a as &$v) {
}
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
As you can see, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : )
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Why can't code inside unit tests find bundle resources?
.... If you replace the above line with:
NSBundle *bundle = [NSBundle bundleForClass:[self class]];
NSString *path = [bundle pathForResource:@"foo" ofType:@"txt"];
Then your code will search the bundle that your unit test class is in, and everything will be fine.
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How do you make Vim unhighlight what you searched for? [duplicate]
I search for "nurple" in a file. I found it, great. But now, every occurrence of "nurple" is rendered in sick black on yellow. Forever.
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How to send a GET request from PHP?
I'm planning to use PHP for a simple requirement. I need to download a XML content from a URL, for which I need to send HTTP GET request to that URL.
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NUnit isn't running Visual Studio 2010 code
...o load a Visual Studio 2010 beta dll into the NUnit GUI. I get a popup error.
10 Answers
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AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'
...ent, not as a simple function:
<div ng-app="myAppName">
<!-- or what's the root node of your angular app -->
and the js part:
angular.module('myAppName', [])
.controller('FirstCtrl', function($scope) {
$scope.data = {message: 'Hello'};
});
Here's an online de...
All permutations of a Windows license key
I need to apply for a Windows 8 upgrade for my laptop, for which I need the Windows 7 license key on the underside of the laptop.
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What are the differences between JSON and JSONP?
Format wise, file type wise and practical use wise?
8 Answers
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