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Delaying AngularJS route change until model loaded to prevent flicker
...phones: function(Phone, $q) {
// see: https://groups.google.com/forum/?fromgroups=#!topic/angular/DGf7yyD4Oc4
var deferred = $q.defer();
Phone.query(function(successData) {
deferred.resolve(successData);
}, function(errorData) {
deferred.reject(); // you coul...
FFMPEG (libx264) “height not divisible by 2”
I am trying to encode a .mp4 video from a set of frames using FFMPEG using the libx264 codec.
7 Answers
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Using python's eval() vs. ast.literal_eval()?
...ery powerful, but is also very dangerous if you accept strings to evaluate from untrusted input. Suppose the string being evaluated is "os.system('rm -rf /')" ? It will really start deleting all the files on your computer.
ast.literal_eval:
Safely evaluate an expression node or a string containing a...
In Python how should I test if a variable is None, True or False
..."result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a much richer type of notification from the simulate method as to what exactly went wrong, in case you find error/no-error not to be informative enough.
...
Is there any difference between a GUID and a UUID?
... authors of the UUID specification and Microsoft claim they are synonyms:
From the introduction to IETF RFC 4122 "A Universally Unique IDentifier (UUID) URN Namespace": "a Uniform Resource Name namespace for UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier)."
...
Big-O summary for Java Collections Framework implementations? [closed]
... to specify for which case scenario are those figures, for example, delete from Arraylist could take O(n), if you delete element in middle or end of array.
– Popeye
Jul 25 '17 at 19:59
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What is the difference between named and positional parameters in Dart?
... parameters are referenced by name, they can be used in an order different from their declaration.
getHttpUrl('example.com', '/index.html');
getHttpUrl('example.com', '/index.html', port: 8080);
getHttpUrl('example.com', '/index.html', port: 8080, numRetries: 5);
getHttpUrl('example.com', '/index.h...
Do browsers parse javascript on every page load?
...derstands. This compiled code is then discarded once a user navigates away from the page as compiled code is highly dependent on the state and context of the machine at compilation time.
Chrome 42 introduces an advanced technique of storing a local copy of the compiled code, so that when the u...
Auto detect mobile browser (via user-agent?) [closed]
How can I detect if a user is viewing my web site from a mobile web browser so that I can then auto detect and display the appropriate version of my web site?
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...uses express, socket.io, node_redis and last but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:...