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Use 'import module' or 'from module import'?
... from module import * can be particularly useful, if using it as: if(windows):\n\t from module_win import * \n else: \n\t from module_lin import *. Then your parent module can potentially contain OS independent function names, if the function names in module_lin & module_win have same name...
What is the most effective way for float and double comparison?
...silon will be dependent on the exponent. For example if the mantissa is 24bits and the exponent is signed 8bit, then 1/(2^24)*2^127 or ~2^103 is an epsilon for some values; or is this referring to a minimum epsilon?
– artless noise
Mar 17 '13 at 18:54
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How to run an EXE file in PowerShell with parameters with spaces and quotes
How do you run the following command in PowerShell?
19 Answers
19
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Fastest way to determine if an integer's square root is an integer
...
I figured out a method that works ~35% faster than your 6bits+Carmack+sqrt code, at least with my CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out ob...
How to update Python?
...UPDATE: 2016-11-11
As @cxw comments below, these answers are for the same bit-versions, and by bit-version I mean 64-bit vs. 32-bit. For example, these answers would apply to updating from 64-bit Python-2.7.10 to 64-bit Python-2.7.11, ie: the same bit-version. While it is possible to install two di...
Failed to load JavaHL Library
...lled Mountain Lion and had the same problem
I use FLashBuilder (which is 32bit) and MountainLion is 64bit, which means by default MacPorts installs everything as 64bit. The version of subclipse I use is 1.8
As i had already installed Subversion and JavaHLBindings I just ran this command:
sudo port...
In Java, what is the best way to determine the size of an object?
...elements, use VMSupport.vmDetails(). On Oracle JDK 1.8.0_40 running on 64-bit Windows (used for all following examples), this method returns
Running 64-bit HotSpot VM.
Using compressed oop with 0-bit shift.
Using compressed klass with 3-bit shift.
Objects are 8 bytes aligned.
Field sizes by type: ...
Why is SQL Server 2008 Management Studio Intellisense not working?
...nload here
http://www.microsoft.com/download/en/details.aspx?id=26727
32 Bit:
SQLServer2008R2SP1-KB2528583-x86-ENU.exe
64 Bit:
SQLServer2008R2SP1-KB2528583-x64-ENU.exe
I have applied this SP1 and now my intellisense works again. I hope this helps! (:
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How to measure time in milliseconds using ANSI C?
... days, so be careful in measuring longer intervals.
GetTickCount64 is a 64-bit version of GetTickCount, but it is available starting from Windows Vista and above.
OS X (macOS)
OS X (macOS) has its own Mach absolute time units which represent a monotonic clock. The best way to start is the Apple's...
Node.JS constant for platform-specific new line?
...ant, but you determine it yourself using:
var nl = (process.platform === 'win32' ? '\r\n' : '\n')
(note this is quite a naive solution)
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