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Is Meyers' implementation of the Singleton pattern thread safe?
...Visual Studio: supported since Visual Studio 2015
GCC: supported since GCC 4.3
Thanks to @Mankarse and @olen_gam for their comments.
In C++03, this code wasn't thread safe. There is an article by Meyers called "C++ and the Perils of Double-Checked Locking" which discusses thread safe implementa...
Differences between numpy.random and random.random in Python
... random bytes from device chatter (ie ethernet or disk) (ie /dev/random on BSD)
this will avoid you giving a seed and so generating determinisitic random numbers. However the random calls then allow you to fit the numbers to a distribution (what I call scientific random ness - eventually all you w...
Entity Framework - Start Over - Undo/Rollback All Migrations
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Kyle Trauberman
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answered Apr 23 '12 at 14:35
Ladislav Mrnk...
Eclipse IDE for Java - Full Dark Theme
...tly) work is the Eclipse Chrome Theme (compatible Juno 4.2 and even Kepler 4.3), from the GitHub project eclipse-themes, by Jeeeyul Lee.
This post mentions:
The first is to change the appearance of what is inside the editor windows.
That can be done with the Eclipse Colour Theme plugin (http:...
How to use Git for Unity3D source control?
...rashes
ehthumbs.db
Thumbs.db
Unity3D Settings
For versions of Unity 3D v4.3 and up:
(Skip this step in v4.5 and up) Enable External option in Unity → Preferences → Packages → Repository.
Open the Edit menu and pick Project Settings → Editor:
Switch Version Control Mode to Visible Met...
Passing parameters to a Bash function
...pass arrays (and references to variables - this feature works only in bash 4.3 though)! Plus, the mapped variables are all in the local scope, just as $1 (and others).
The code that makes this work is pretty light and works both in bash 3 and bash 4 (these are the only versions I've tested it with...
How do I parse command line arguments in Bash?
...t work on Mac at least up to the current 10.14.3. The getopt that ships is BSD getopt from 1999...
– jjj
Apr 10 '19 at 13:12
3
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When should I use mmap for file access?
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Afaik MAP_HASSEMAPHORE is specific to BSD.
– Patrick Schlüter
May 24 '10 at 8:13
6
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Disable XML validation in Eclipse
...lder...* button. This dialog needs some work!
This was done using Eclipse 4.3 (Kepler).
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How to install trusted CA certificate on Android device?
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Starting from Android 4.0 (Android ICS/'Ice Cream Sandwich', Android 4.3 'Jelly Bean' & Android 4.4 'KitKat'), system trusted certificates are on the (read-only) system partition in the folder '/system/etc/security/' as individual files. However, users can now easily add their own 'user' c...