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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
Storyboard doesn't contain a view controller with identifier
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This issue occurred in XCode 7.2 when pulling from a repo in which a VC in the storyboard had been assigned an identifier. Cleaning the project seemed to resolve the issue.
– Ed George
Jan 22 '16 at 19:16
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What Every Programmer Should Know About Memory?
... much of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
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Is it possible to set async:false to $.getJSON call
...onous XMLHttpRequest outside of workers is in the process of being removed from the web platform as it has detrimental effects to the end user's experience. (This is a long process that takes many years.) Developers must not pass false for the async argument when entry settings object's global objec...
Real mouse position in canvas [duplicate]
...ientX - rect.left,
y: evt.clientY - rect.top
};
}
Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions.
As the mouse position you are getting is relative to the client window you'll have to subtract the position o...
What is the use of printStackTrace() method in Java?
...oString() of the error, and in the 2nd you ask to print all the stackTrace from the error. That's 2 différents things.
– Jon
May 17 '16 at 8:08
1
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error: No resource identifier found for attribute 'adSize' in package 'com.google.example' main.xml
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I had the same problem. I copied the example code from Google code, and could not compile.
xmlns:ads="http://schemas.android.com/apk/res/com.google.example"
Finally, I figured it out. The last part of the code "com.google.example", is their package name, so you need to re...
How Python web frameworks, WSGI and CGI fit together
... also provides you a function that will formulate the response, saving you from a lot of formatting details.
What do I need to know / install / do if I want to run a web framework (say web.py or cherrypy) on my basic CGI configuration?
Recall that forking a subprocess is expensive. There are two ...
Fastest way to determine if an integer's square root is an integer
...the classical way.
// The correctness is not trivial as the conversion from long to double is lossy!
final long tst = (long) Math.sqrt(x);
return tst * tst == x;
}
The first test catches most non-squares quickly. It uses a 64-item table packed in a long, so there's no array access cost ...
How to fire AJAX request Periodically?
... trick. I wanted to highlight a bit more advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow conne...