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Using regular expression in css?
...That says select any div elements inside the #sections div that have an ID starting with the letter 's'.
See fiddle here.
W3 CSS selector docs here.
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How to force uninstallation of windows service
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You don't have to restart your machine. Start cmd or PowerShell in elevated mode.
sc.exe queryex <SERVICE_NAME>
Then you'll get some info. A PID number will show.
taskkill /pid <SERVICE_PID> /f
Where /f is to force stop.
Now y...
php: determine where function was called from
...n Lenovo laptop: Intel Pentiom CPU N3530 2.16GHz, RAM 8GB
global $times;
$start = microtime(true);
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
$times[] = microtime(true) - $start;
Results:
count($times): 97
min: 2.6941299438477E-5
max: 10.68115234375E-5
avg: 3.309593987219...
What does iota of std::iota stand for?
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Oh, I was always under the impression that since std::iota(start,end,0) essentially stands for
for(size_t i = 0; i < std::distance(start, end) ; i++) { start[i] = i; }
then you essentially "assign i" to each array element, and iota is greek for i, so there.
(I wouldn't be surp...
How to capture stdout output from a Python function call?
...readline(self, callback):
self._on_readline_cb = callback
def start(self):
self._stdout = sys.stdout
self._stderr = sys.stderr
r, w = os.pipe()
r, w = os.fdopen(r, 'r'), os.fdopen(w, 'w', 1)
self._r = r
self._w = w
sys.stdout = sel...
Simple logical operators in Bash
...that the right-hand side is a pattern, e.g. [[ $foo == a* ]] tests if $foo starts with a while [[ $foo == "a*" ]] tests if $foo is exactly a*), and the familiar !, && and || operators for negation, conjunction and disjunction as well as parentheses for grouping. Note that you need a space ar...
find filenames NOT ending in specific extensions on Unix?
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Linux/OS X:
Starting from the current directory, recursively find all files ending in .dll or .exe
find . -type f | grep -P "\.dll$|\.exe$"
Starting from the current directory, recursively find all files that DON'T end in .dll or .exe...
Use find command but exclude files in two directories
...aks.bed" ! -path "./tmp/*" ! -path "./scripts/*"
Explanation:
find . - Start find from current working directory (recursively by default)
-type f - Specify to find that you only want files in the results
-name "*_peaks.bed" - Look for files with the name ending in _peaks.bed
! -path "./tmp/*" - ...
Visual Studio Project vs. Solution
... application, website, Web App, script, plug-in, etc in Visual Studio, you start with a project. In a logical sense, a project contains of all the source code files, icons, images, data files and anything else that will be compiled into an executable program or web site, or else is needed in order t...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...ore you use them. For $_SESSION you have to make sure you have the session started with session_start() and that the index also exists.
Also note that all 3 variables are superglobals and are uppercase.
Related:
Notice: Undefined variable
Notice: Undefined Index
...