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Using GPU from a docker container?
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Regan's answer is great, but it's a bit out of date, since the correct way to do this is avoid the lxc execution context as Docker has dropped LXC as the default execution context as of docker 0.9.
Instead it's better to tell docker about the nvidia devices v...
Is there any advantage of using map over unordered_map in case of trivial keys?
...rdered_map vs. map (or vector vs list) , the default process heap (talking Windows here) is serialized. Allocating (small) blocks in large quantities in a multithreaded application is very expensive.
– ROAR
Feb 4 '10 at 3:06
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convert double to int
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@user: The size of an int is always 32 bits, regardless of whether you're using a 32 or 64 bit machine.
– Joren
Nov 15 '10 at 10:15
3
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Eclipse secure storage
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In windows 7 enerprise 64 bits + java 8
In eclipse go to :
Preferences
--> General
-> security
-> secure Storage.
In master Password providers UNCKECK Windows integration (64 bits)
Then go to General -- network co...
How do I convert an integer to binary in JavaScript?
...) output is "-1".
To fix this issue, you can use the unsigned right shift bitwise operator (>>>) to coerce your number to an unsigned integer.
If you run (-1 >>> 0).toString(2) you will shift your number 0 bits to the right, which doesn't change the number itself but it will be r...
Adding git branch on the Bash command prompt
...h name.
Because the shells do not recursively expand, this avoids arbitrary code execution by specially-crafted branch names such as
'$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)'.
What devious mind would name a branch like that? ;) (Beside a Mom as in xkcd)
More Examples
still_dreaming_1 reports i...
Creating hard and soft links using PowerShell
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Windows 10 (and Powershell 5.0 in general) allows you to create symbolic links via the New-Item cmdlet.
Usage:
New-Item -Path C:\LinkDir -ItemType SymbolicLink -Value F:\RealDir
Or in your profile:
function make-link ($t...
NSLog/printf specifier for NSInteger?
A NSInteger is 32 bits on 32-bit platforms, and 64 bits on 64-bit platforms. Is there a NSLog specifier that always matches the size of NSInteger ?
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Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
I've got a XAMPP installation running on Windows 7.
9 Answers
9
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Is inline assembly language slower than native C++ code?
...trict). SSE2 is baseline for x86-64, and with shuffling SSE2 can do 2x 32-bit multiplies at once (producing 64-bit products, hence the shuffling to put the results back together). godbolt.org/z/r7F_uo. (SSE4.1 is needed for pmulld: packed 32x32 => 32-bit multiply). GCC has a neat trick of turn...