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Why does running the Flask dev server run itself twice?
...o away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment varia...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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edited Oct 10 '19 at 2:54
BKSpurgeon
21.7k88 gold badges7777 silver badges6363 bronze badges
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Get Unix Epoch Time in Swift
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You can simply use NSDate's timeIntervalSince1970 function.
let timeInterval = NSDate().timeIntervalSince1970
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Remove first 4 characters of a string with PHP
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edited Nov 26 '10 at 15:23
answered Nov 26 '10 at 15:16
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How to easily initialize a list of Tuples?
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305
c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow"),...
Why are floating point numbers inaccurate?
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250
In most programming languages, floating point numbers are represented a lot like scientific nota...
Using the Swift if let with logical AND operator &&
...r as? UITabBarController where tabBarController.viewControllers.count > 0 {
println("do stuff")
}
This uses the where clause.
Another example, this time casting AnyObject to Int, unwrapping the optional, and checking that the unwrapped optional meets the condition:
if let w = width a...
Getting thread id of current method call
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230
NSLog(@"%@", [NSThread currentThread]);
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Force page scroll position to top at page refresh in HTML
... method on DOM ready:
$(document).ready(function(){
$(this).scrollTop(0);
});
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Display number with leading zeros
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1150
In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or spri...