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how to listen to N channels? (dynamic select statement)
to start an endless loop of executing two goroutines, I can use the code below:
5 Answers
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How does Access-Control-Allow-Origin header work?
...d that Site A is allowed to access this page, the browser will trigger the XMLHttpRequest's error event and deny the response data to the requesting JavaScript code.
Non-simple requests
What happens on the network level can be slightly more complex than explained above. If the request is a "non-s...
What is Objective C++? [closed]
What is Objective C++ and can I use this language in Xcode?
3 Answers
3
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Fix code indentation in Xcode
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Before Xcode 9 (for Xcode 9 see default shortcut below)
select text
right-click
there's a "Re-indent selection" item in popup menu
In XCode 4 there is one more step:
select text
right-click
Click on "Structure"
there's a "...
How to resize Image in Android?
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Capture the image and resize it.
Bitmap image2 = (Bitmap) data.getExtras().get("data");
img.setImageBitmap(image2);
String incident_ID = IncidentFormActivity.incident_id;
imagepath="/sdcard/RDMS/"+incident_ID+ x + ".PNG";
File file = new File(imagepath);
try {
double xFactor = 0...
How to center a WPF app on screen?
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xaml
WindowStartupLocation="CenterScreen"
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How do I strip all spaces out of a string in PHP? [duplicate]
...or me is non-breaking spaces. I had to use this: $string = preg_replace('~\x{00a0}~','',$string); to remove them. Thanks to this stackoverflow answer: stackoverflow.com/a/12838189/631764
– Buttle Butkus
Jul 19 '13 at 0:04
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Remove all multiple spaces in Javascript and replace with single space [duplicate]
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You could use a regular expression replace:
str = str.replace(/ +(?= )/g,'');
Credit: The above regex was taken from Regex to replace multiple spaces with a single space
s...
How to show “if” condition on a sequence diagram?
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If you paste
A.do() {
if (condition1) {
X.doSomething
} else if (condition2) {
Y.doSomethingElse
} else {
donotDoAnything
}
}
onto https://www.zenuml.com. It will generate a diagram for you.
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How do I convert NSInteger to NSString datatype?
...ve on 64-bit platforms for the generic case. If targeting Apple platforms exclusively, prefer the Objective-C way as in Aleksey Kozhevnikov's answer, or something similar that will work with both int and long -- e.g. long ;-) An example, though unsigned (meaning non-negative) is in Andreas Ley's ans...