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What is the fastest way to send 100,000 HTTP requests in Python?
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This code is using non-blocking network I/O and doesn't have any restriction. It can scale to tens of thousands of open connections. It will run in a single thread but will be a way faster then any threading solution. Checkout non-blocking I/O en.w...
How to load images dynamically (or lazily) when users scrolls them into view
...ssary for the data pull.
$.ajax({
type: "POST",
url: "myAjaxFile.php",
data: {"resultNum": 30, "numPerPage": 50, "query": "interesting%20icons" },
success: myInfiniteLoadFunction(msg)
});
The ajax returns some (most-likely JSON formatted) content, and passes them into the loadnig ...
Whitespace Matching Regex - Java
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For Java (not php, not javascript, not anyother):
txt.replaceAll("\\p{javaSpaceChar}{2,}"," ")
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Is there any way to delete local commits in Mercurial?
...red Feb 26 '10 at 2:02
too much phptoo much php
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Unique BooleanField value in Django?
...side the if statement along with saving inside the if. Then adding an else block and also saving in the else block.
– alexbhandari
Aug 11 '19 at 20:07
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How do I break out of a loop in Scala?
...-too-easy for at least three reasons I can think of. First, in large code blocks, it's easy to overlook "continue" and "break" statements, or to think you're breaking out of more or less than you really are, or to need to break two loops which you can't do easily anyway--so the standard usage, whil...
iOS: How does one animate to new autolayout constraint (height)
... @ngb you need to change the constraint constant inside the animation block. That way the constraint changes with the animation and you can keep using UIViewAnimationOptionBeginFromCurrentState.
– Eran Goldin
Apr 13 '15 at 11:16
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Determine if variable is defined in Python [duplicate]
...eleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby.
6 Answers
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Check if an array is empty or exists
...iable hoisting. Make sure you use var whenever declaring a variable:
<?php echo "var image_array = ".json_encode($images);?>
// add var ^^^ here
And then make sure you never accidently redeclare that variable later:
else {
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image_array = []; // no var here
}
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When would I use XML instead of SQL? [closed]
...used, which is storing all of my data in a (My)SQL database and then using PHP/Python/etc. to work with it on the web as needed.
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