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Nodejs Event Loop
...C++ modules [ when they are running in a main thread ( as per official documentation node.js itself is single threaded) ]. When outside of the main thread, libev and libeio handle it in the thread pool and libev provide the interaction with the main loop. So from my understanding, node.js has 1 perm...
How can I clear the SQL Server query cache?
...
Here is some good explaination. check out it.
http://www.mssqltips.com/tip.asp?tip=1360
CHECKPOINT;
GO
DBCC DROPCLEANBUFFERS;
GO
From the linked article:
If all of the performance testing is conducted in SQL Server the best ...
Checking for a dirty index or untracked files with Git
... egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters out the error messages so you can use these commands on non-git directories. (They'll simply return 0 for the file counts.)
Edit:
Here are the posts:
Adding Git Status Information to your Terminal Prompt
Improved Git-enabled Shell Prom...
How do I convert between big-endian and little-endian values in C++?
...e similar intrinsics as well.
In GCC for example you can directly call some builtins as documented here:
uint32_t __builtin_bswap32 (uint32_t x)
uint64_t __builtin_bswap64 (uint64_t x)
(no need to include something). Afaik bits.h declares the same function in a non gcc-centric way as well.
16 ...
HSL to RGB color conversion
...rmula
* adapted from http://en.wikipedia.org/wiki/HSL_color_space.
* Assumes h, s, and l are contained in the set [0, 1] and
* returns r, g, and b in the set [0, 255].
*
* @param {number} h The hue
* @param {number} s The saturation
* @param {number} l The lightness...
Why use make over a shell script?
Make seems to me simply a shell script with slightly easier handling of command line arguments.
5 Answers
...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(rand(), true))
Otherwise (given you have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
sha...
Add native files from NuGet package to project output directory
...and the native dll should be copied into the project output directory or some other relative directory.
9 Answers
...
When I catch an exception, how do I get the type, file, and line number?
...
import sys, os
try:
raise NotImplementedError("No error")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
...
How do you execute an arbitrary native command from a string?
...iex. The following will work on your examples #2 and #3:
iex $command
Some strings won't run as-is, such as your example #1 because the exe is in quotes. This will work as-is, because the contents of the string are exactly how you would run it straight from a Powershell command prompt:
$command ...