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How do I check if a string is a number (float)?
...r.
I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames.
The issue is that any numeric conversion function has two kin...
Postgres dump of only parts of tables for a dev snapshot
...and testing, we need to create snapshots of this database that are functionally equivalent, but which are only 10 or 20 gigs in size.
...
How to remove .html from URL?
...overflow.com/a/9204355/3217306
Update: I was slightly mistaken, . matches all characters except newlines, so includes whitespace. Also, here is a helpful regex cheat sheet
Sources:
http://community.sitepoint.com/t/what-does-this-mean-rewritecond-request-filename-f-d/2034/2
https://mediatemple.ne...
Unable to begin a distributed transaction
...S DTC will not be able to communicate
with each other. This problem typically occurs if one of the systems
were cloned using unsupported cloning tools. MS DTC requires that the
systems be cloned using supported cloning tools such as SYSPREP.
Running 'msdtc -uninstall' and then 'msdtc -instal...
How do I remove  from the beginning of a file?
...oks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it: 
...
Looping through the content of a file in Bash
...|| [ -n "$p" ]
do
printf '%s\n' "$p"
done < peptides.txt
Exceptionally, if the loop body may read from standard input, you can open the file using a different file descriptor:
while read -u 10 p; do
...
done 10<peptides.txt
Here, 10 is just an arbitrary number (different from 0, 1, ...
How to get xdebug var_dump to show full object/array
... I contend that the a display_max_depth of 5 is not sane if you actually expect to get any information from your var_dump
– Ben Harold
Feb 19 '14 at 0:06
2
...
Replacing blank values (white space) with NaN in pandas
I want to find all values in a Pandas dataframe that contain whitespace (any arbitrary amount) and replace those values with NaNs.
...
Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
...
Getting Chrome to accept self-signed localhost certificate
...tificate for the localhost CN. Firefox accepts this certificate after initially complaining about it, as expected. Chrome and IE, however, refuse to accept it, even after adding the certificate to the system certificate store under Trusted Roots. Even though the certificate is listed as correctly in...