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How to erase the file contents of text file in Python?
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the reason this works (in both C++ and python) is because by default when you open a file for writing, it truncates the existing contents. So really it's sorta a side effect, and thus I would prefer the explicit call to truncate() for clarity ...
How can I listen to the form submit event in javascript?
I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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What causes “Unable to access jarfile” error?
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I've created a jar file and an exectuable jar file. When
I double click the exe jar file, nothing happens, and when I try to use the command in cmd it gives me this:
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How to read a large file line by line?
... edited Jan 22 '15 at 2:30
Mark Garcia
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answered Nov 6 '12 at 7:51
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Rails: Is there a rails trick to adding commas to large numbers?
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John TopleyJohn Topley
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JFrame in full screen Java
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ReimeusReimeus
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Create an array with same element repeated multiple times
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You can do it like this:
function fillArray(value, len) {
if (len == 0) return [];
var a = [value];
while (a.length * 2 <= len) a = a.concat(a);
if (a.length < len) a = a.concat(a.slice(0, len - a.length));
return a;
}
It ...
json_encode/json_decode - returns stdClass instead of Array in PHP
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Take a closer look at the second parameter of json_decode($json, $assoc, $depth) at https://secure.php.net/json_decode
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Bash script to calculate time elapsed
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Either $(()) or $[] will work for computing the result of an arithmetic operation. You're using $() which is simply taking the string and evaluating it as a command. It's a bit of a subtle distinction. Hope this helps.
As tink pointed out in the com...
Best way to create a simple python web service [closed]
...for years, but I have little experience with python web programming. I'd like to create a very simple web service that exposes some functionality from an existing python script for use within my company. It will likely return the results in csv. What's the quickest way to get something up? If it aff...