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How to find out the number of CPUs using python

...is not in use), multiprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python: import os import re import subprocess def available_cpu_count(): """ Number of available virtual or physical CP...
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iPhone get SSID without private library

...ifi info from capabilities. Important To use this function in iOS 12 and later, enable the Access WiFi Information capability for your app in Xcode. When you enable this capability, Xcode automatically adds the Access WiFi Information entitlement to your entitlements file and App ID. Documenta...
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Prevent automatic browser scroll on refresh

If you go to a page a and scroll around then refresh the page will refresh at the spot where you left it. This is great, however this also occurs on pages where there is a anchor location in the url. An example would be if you clicked on a link http://example.com/post/244#comment5 and refreshed th...
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Is object empty? [duplicate]

...y = Object.prototype.hasOwnProperty; function isEmpty(obj) { // null and undefined are "empty" if (obj == null) return true; // Assume if it has a length property with a non-zero value // that that property is correct. if (obj.length > 0) return false; if (obj.length...
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How to sort a list/tuple of lists/tuples by the element at a given index?

... @Stephen using itemgetter is faster and simpler: key=itemgetter(1) and at the beginning of the file: from operator import itemgetter – Joschua Mar 13 '13 at 20:08 ...
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How to check date of last change in stored procedure or function in SQL server

...crosoft.com/en-us/library/ms190324%28v=sql.105%29.aspx "In SQL Server 2005 and later versions, the visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configu...
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JavaScriptSerializer - JSON serialization of enum as string

I have a class that contains an enum property, and upon serializing the object using JavaScriptSerializer , my json result contains the integer value of the enumeration rather than its string "name". Is there a way to get the enum as a string in my json without having to create a custom Jav...
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Is it safe to push_back an element from the same vector?

...s problem (or something very similar to it) as a potential defect in the standard: 1) Parameters taken by const reference can be changed during execution of the function Examples: Given std::vector v: v.insert(v.begin(), v[2]); v[2] can be changed by moving elements of vect...
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How to get the current time in Python

... >>> print(datetime.datetime.now()) 2009-01-06 15:08:24.789150 And just the time: >>> datetime.datetime.now().time() datetime.time(15, 8, 24, 78915) >>> print(datetime.datetime.now().time()) 15:08:24.789150 See the documentation for more information. To save typing...
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make div's height expand with its content

I have these nested divs and I need the main container to expand (in height) to accommodate the DIVs inside 25 Answers ...