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How can I check for Python version in a program that uses new language features?

... You can test using eval: try: eval("1 if True else 2") except SyntaxError: # doesn't have ternary Also, with is available in Python 2.5, just add from __future__ import with_statement. EDIT: to get control early enough, you c...
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How to open a new window on form submit

...isplay print-outs of database data, this worked well enough for our needs (tested in Chrome 48): <form method="post" target="print_popup" action="/myFormProcessorInNewWindow.aspx" onsubmit="window.open('about:blank','print_popup','width=1000,height=800');"> The trick is ...
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How do I inspect the view hierarchy in iOS?

...ing properly contained in its parent. Currently I have to add asserts that test these various conditions by hand, or set different background colours on different views, and as you can imagine, that's a really tedious way to go about it. ...
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Check if an element is present in an array [duplicate]

...e().getTime(); for(var i = 0; i < 10000000; i++) { if(array.includes("test") === true){ result++; } } console.log(new Date().getTime() - start); ~ 1050 ms, indexOf var array = [0,1,2,3,4,5,6,7,8,9]; var result = 0; var start = new Date().getTime(); for(var i = 0; i < 10000000; i++) { ...
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How update the _id of one MongoDB Document?

...over the collection for ever. Snapshot doesn't do what you expect (you can test it by taking a 'snapshot' adding a document to the collection, then seeing that that new document is in the snapshot) – Patrick Jan 16 '15 at 10:01 ...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...ts before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything. NOTE: this is not the current CPU usage, b...
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Dynamically load JS inside JS [duplicate]

...le you have to use the getScript to load the js file $.getScript("ajax/test.js", function(data, textStatus, jqxhr) { console.log(data); //data returned console.log(textStatus); //success console.log(jqxhr.status); //200 console.log('Load was performed.'); }); ...
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split string only on first instance - java

... String string = "This is test string on web"; String splitData[] = string.split("\\s", 2); Result :: splitData[0] => This splitData[1] => is test string String string = "This is test string on web"; String splitData[] = string.split("\\s...
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Creating instance of type without default constructor in C# using reflection

...ctor and digging through some of the core .Net serialization classes. I tested it using the sample code below and it looks like it works great: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Reflection; using System.Runtime.Serialization; name...
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How to catch curl errors in PHP

...TTP errors, the following provides a better approach: function curl_error_test($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $responseBody = curl_exec($ch); /* * if curl_exec failed then * $responseBody...