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C default arguments
...e, C compiler, do nothing */
#define DEFAULT_VALUE(value)
#endif
void window_set_size(unsigned int width DEFAULT_VALUE(640),
unsigned int height DEFAULT_VALUE(400));
If the user doesn't know what he should write, this trick can be helpful:
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Getting the names of all files in a directory with PHP
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You sir need more upvotes! Actually (on windows) I had to use basename($file) to get only the file name instead of the whole path with filename.
– Pauloco
May 31 at 3:19
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Is there a way to get the git root directory in one command?
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This is the only solution that works on windows AND gives a parsable result when using git submodules (e.g. c:\repositories\myrepo\.git\modules\mysubmodule). That makes it the most robust solution especially in a reusable script.
– chriskelly
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Overcoming “Display forbidden by X-Frame-Options”
... frame a few other pages, simply to consolidate them into a single browser window for ease of viewing. A few of the pages I'm trying to frame forbid being framed and throw a "Refused to display document because display forbidden by X-Frame-Options." error in Chrome. I understand that this is a sec...
How do I create an abstract base class in JavaScript?
...ject.subclass(true); // is abstract
Animal.prototype.say= function() {
window.alert(this._noise);
};
// concrete classes
var Cat= Animal.subclass();
Cat.prototype._noise= 'meow';
var Dog= Animal.subclass();
Dog.prototype._noise= 'bark';
// usage
var mycat= new Cat();
mycat.say(); // meow!
var ...
Improve subplot size/spacing with many subplots in matplotlib
...nt/uploads/2016/07/… - note the button looks different depending on what window system you're using, but it's always to the left of the save button.
– John Zwinck
Jan 24 '19 at 2:48
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What does the “map” method do in Ruby?
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to see the difference between map and each, open an IRB window and look at the results for y and z in the following code: y = [1,2,3].each {|x| x + 1}; z = [1,2,3].map {|x| x + 1}
– davej
Nov 27 '13 at 19:50
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How to present popover properly in iOS 8
...toryboardSegue, sender: Any?) {
//segue for the popover configuration window
if segue.identifier == "yourSegueIdentifierForPopOver" {
if let controller = segue.destinationViewController as? UIViewController {
controller.popoverPresentationController!.delegate = self
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abort, terminate or exit?
...ocess and uploads the exception report for the developers' attention, like Windows Error Reporting, Mac OS X error reports and iPhone application error logs.
– JBRWilkinson
May 14 '10 at 9:42
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How do I use arrays in C++?
...}
// [numbers.cpp]
int numbers[42] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
In Windows 7 this compiles and links fine with both MinGW g++ 4.4.1 and
Visual C++ 10.0.
Since the types don't match, the program crashes when you run it.
In-the-formal explanation: the program has Undefined Behavior (UB), a...