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What to do Regular expression pattern doesn't match anywhere in string?
...print "xhook " when / \G (?&xhook) $RX_SUBS /xgc;
print "script " when / \G (?&script) $RX_SUBS /xgc;
print "style " when / \G (?&style) $RX_SUBS /xgc;
print "comment " when / \G (?&comment) $RX_SUBS /xgc;
print "tag " when / \G (?...
What is the canonical way to determine commandline vs. http execution of a PHP script?
I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
How to architect an Ember.js application
...y and Handlebars. Be sure those libraries are loaded before ember.js:
<script type='text/javascript' src='http://code.jquery.com/jquery-1.9.1.js'></script>
<script type='text/javascript' src="http://cdnjs.cloudflare.com/ajax/libs/handlebars.js/1.0.0-rc.3/handlebars.js"></script...
How to flush output of print function?
...orm, you can add the -u in the interpreter command line (first line of the script file), so change the first line from (something like) #!/usr/bin/python3 to #!/usr/bin/python3 -u - now when you run your script (e.g. ./my_script.py) the -u will always be added for you
– James
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What is the Python equivalent of Matlab's tic and toc functions?
... and toc() functions. Simply insert the following code at the top of your script.
import time
def TicTocGenerator():
# Generator that returns time differences
ti = 0 # initial time
tf = time.time() # final time
while True:
ti = tf
tf = time.time()
...
How to permanently set $PATH on Linux/Unix? [closed]
...iable values are usually stored in either a list of assignments or a shell script that is run at the start of the system or user session. In case of the shell script you must use a specific shell syntax and export or set commands.
System wide
/etc/environment List of unique assignments, allows re...
How to ALTER multiple columns at once in SQL Server
... @erikkallen, then do like SSMS tools usually generate their scripts: create a new table and replicate FKs and indexes, etc, drop original table and then rename new table,
– KM.
Sep 8 '16 at 12:24
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Accurate way to measure execution times of php scripts
... This answer is out of date. Nowadays the best way to report script execution time is a single line at the end of your code: $time = microtime(true) - $_SERVER["REQUEST_TIME_FLOAT"]; (More info in an answer below.)
– ashleedawg
Apr 2 '19 at 20:56...
Get div height with plain JavaScript
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jsFiddle
var element = document.getElementById('element');
alert(element.offsetHeight);
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Export and Import all MySQL databases at one time
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You can simplify/improve the script a bit: Replace the 9th line [databases=...] with these two lines: ExcludeDatabases="Database|information_schema|performance_schema|mysql" [next line] databases=`-u $USER -p$PASWORD -e "SHOW DATABASES;" | tr -d "| " | e...