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Bash command to sum a column of numbers [duplicate]
... another FYI for OS X, I had to add a - at the end of the paste command in order for this to work on OS X 10.6.8.
– Clayton Stanley
Nov 9 '12 at 16:48
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What are the most common non-BMP Unicode characters in actual use? [closed]
...› GC=So DEGREE SIGN
And here now are the trans-BMP code points, in order of decending frequency:
544 U+01D49E ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL C
450 U+01D4AF ‹????› GC=Lu MATHEMATICAL SCRIPT CAPITAL T
385 U+01D4AE ‹????› GC=Lu MATHEMATICAL SCRI...
Git: add vs push vs commit
...the remote repository to which your branch is mapped (eg. on GitHub).
In order to understand Git you would need to invest more effort than just glancing over the documentation, but it's definitely worth it. Just don't try to map Git commands directly to Subversion, as most of them don't have a dir...
Why can't Python parse this JSON data?
...elements; such as, [{[{}]}, {}, [], etc...] ujson can handle any arbitrary order of lists of dictionaries, dictionaries of lists.
You can find ujson in the Python package index and the API is almost identical to Python's built-in json library.
ujson is also much faster if you're loading larger J...
Create MSI or setup project with Visual Studio 2012
...tension, built a simple msi to put a third party dll into the GAC in short order. Very simple, easy to use, does the basics.
– Chris Mills
Oct 8 '14 at 17:04
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rsync error: failed to set times on “/foo/bar”: Operation not permitted
...ying to set an arbitrary modification time (mtime) when copying files.
In order to do this darwin's system utime() function requires that the writing process effective uid is either the same as the file uid or super user's one, see opengroup utime's page.
Check this discussion on rsync mailing list...
How can I get enum possible values in a MySQL database?
...st. You can add or change the colors in the reference table, and your sexy order forms will automatically be updated. Awesome.
Now consider the evil ENUM: how do you extract the member list? You could query the ENUM column in your table for DISTINCT values but that will only return values t...
How to get the client IP address in PHP [duplicate]
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I believe the code is missing some expression and the order of priorities is inversed, so it should be like this: $ip = $_SERVER['HTTP_CLIENT_IP']?$_SERVER['HTTP_CLIENT_IP']:($_SERVER['HTTP_X_FORWARDED_FOR']?$_SERVER['HTTP_X_FORWARDED_FOR']:$_SERVER['REMOTE_ADDR']); Nevertheless...
Does a dot have to be escaped in a character class (square brackets) of a regular expression?
A dot . in a regular expression matches any single character. In order for regex to match a dot, the dot has to be escaped: \.
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Method call if not null in C#
...ng an empty delegate ... a measurable sacrifice of both memory and time in order to save a few keystrokes? YMMV, but to me, a poor trade off.
– Bevan
May 17 '09 at 6:59
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