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Logging in Scala
...ries have been some wrappers around a Java logging framework (slf4j, log4j etc), but as of March 2015, the surviving log libraries are all slf4j. These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be t...
Fastest sort of fixed length 6 int array
...s (e.g. CUDA - being branchless there are no problems with warp divergence etc).
See also: Fast algorithm implementation to sort very small list
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When would anyone use a union? Is it a remnant from the C-only days?
..., or implement long double arithmetic for a CPU which does not support it, etc.
Saving storage space when fields are dependent on certain values:
class person {
string name;
char gender; // M = male, F = female, O = other
union {
date vasectomized; // for males ...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...标签样式当中，但是如果出现在多个地方，就很容易出现问题，在书写的时候就会变得很麻烦。为了便于这个操作，我们可以将一个样式放在另一个样式当中。如：
.text-overflow {
display:block;/*内联对象需加*/
word-break:keep-...
In Docker, what's the difference between a container and an image? [duplicate]
...docker run -i -t ubuntu /bin/bash
root@48cff2e9be75:/# ls
bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around w...
What is the argument for printf that formats a long?
...ompiler name and version that you are using and the platform (CPU type, OS etc.) that it is compiling for.
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What is the JavaScript version of sleep()?
... to a specific script, page, or function without the engine clobbering the CPU and freezing the app like a maniac. It's 2015 and you shouldn't be able to crash an entire web browser with while(1). We have Flash for things like that.
– Beejor
Sep 12 '15 at 5:10
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Is there a performance gain in using single quotes vs double quotes in ruby?
...ferences that are not significant and due to other factors (GC kicking in, etc.); remember, there can't be any difference in this case! Micro benchmarks like these are difficult to get right. See my gem fruity for a decent tool for this.
Note that if there is interpolation of the form "...#{...}......
Python multiprocessing PicklingError: Can't pickle
... a database, writing to filesystems) then your code is likely not bound by CPU and won't take much of a hit. In fact I've found when writing HTTP/HTTPS benchmarks that the threaded model used here has less overhead and delays, as the overhead from creating new processes is much higher than the overh...
What exactly is node.js used for? [closed]
...deJS:
REST APIs and Backend Applications
Real-Time services (Chat, Games etc)
Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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