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Convert NaN to 0 in javascript
...parseFloat(...) will return NaN if given a nonsensical argument (null, '', etc). Fix the issue at the lowest level possible rather than at a higher level. Then the result of the overall calculation has a good chance of making sense, and you're not substituting some magic number (0 or 1 or whatever) ...
How to convert a normal Git repository to a bare one?
...of the target, it maps all refs (including remote-tracking branches, notes etc.) and sets up a refspec configuration such that all these refs are overwritten by a git remote update in the target repository.
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Why is sed not recognizing \t as a tab?
...n". And that is what most of us expect when we use things like \t, \r, \n, etc. From: https://www.gnu.org/software/bash/manual/html_node/ANSI_002dC-Quoting.html#ANSI_002dC-Quoting
Words of the form $'string' are treated specially. The word expands
to string, with backslash-escaped characters r...
Reducing Django Memory Usage. Low hanging fruit?
...t of apache virtual hosts already in place, using SSL with apache already, etc. In this case, use mod_wsgi. If you are starting afresh, use spawning. NEVER use mod_python.
– nosklo
Jan 29 '09 at 10:23
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How to install psycopg2 with “pip” on Python?
...d the issue for me. the easiest way to edit the path is to run "sudo nano /etc/path" from your terminal.
– tbradley22
Jul 13 '14 at 5:38
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JavaScript before leaving the page
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this can be overwritten by any other plugin etc, mostly developer made mistake with selector, if you are doubted about overwritten, put your jquery code before close of </body> tag.
– Wasim A.
Aug 9 '14 at 6:37
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How do I write a for loop in bash
...and allow counting/sequences by using the double periods (you can use a..z etc.). However, the double period syntax is a new feature of bash 3.0; earlier versions will not support this.
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Get itunes link for app before submitting
... Store on your device, which is not the App Store. You're then redirected, etc. The http://... link seems to be directly hooked to the App Store app.
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Haskell offline documentation?
...d you'll find things options like doc-index-file, docdir, datadir, prefix, etc that allow you to configure where the documentation is stored.
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A python class that acts like dict
..., has a _dict__ which contains all the object attributes (methods, fields, etc). You do not want to mess around with this unless you want to write code that is modifying itself...
– Raik
Feb 8 '19 at 12:49
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