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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...
How do I create a foreign key in SQL Server?
... with EF4, so that I knew which contact table entry was for buyer, seller, etc.
– Tracker1
Jul 30 '12 at 21:30
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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...
Get battery level and state in Android
How can I get battery level and state (plugged in, discharging, charging, etc)? I researched the developer docs and I found a BatteryManager class. But it doesn't contain any methods, just constants. How do I even use it?
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Nginx 403 forbidden for all files
... file to access that file. Check the permissions on /, /home, /home/demo, etc. for www-data x access. My guess is that /home is probably 770 and www-data can't chdir through it to get to any subdir. If it is, try chmod o+x /home (or whatever dir is denying the request).
EDIT: To easily display a...
Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
... new laptop (x64), I wanted to go x64 all the way (jvm, jdk, jre, eclipse, etc..). But once I finished setting everything up I realized that the Android SDK wasn't x64, so I had issues. Go back to x86 jvm and you should be ok.
EDIT: 11/14/13
I've seen some recent activity and figured I would elabo...
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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SQL - find records from one table which don't exist in another
...will easily tell you what you can expect to be fastest in this case. It's orders of magnitude different.
– Jonesopolis
Sep 30 '16 at 13:52
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