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Make xargs execute the command once for each line of input
... away with tr, but they are not available on OS X and other UNIX systems.
Now for the long explanation…
There are two issues to take into account when using xargs:
how does it split the input into "arguments"; and
how many arguments to pass the child command at a time.
To test xargs' behav...
Is it a good idea to index datetime field in mysql?
...it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), INTERVAL 30 DAY) and you have no other index in the condition, MySQL will have to do a full table scan on every query. I'm not sure how many rows are generated in 30 days, but as long as it's less t...
Display current time in 12 hour format with AM/PM
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Outmoded now. These formatting codes are now supplanted by the formatting codes of the DateTimeFormatter class, per JSR 310.
– Basil Bourque
Sep 3 '19 at 1:45
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How to update a plot in matplotlib?
..., after I replotted the data another set of plots were drawn in my GUI, so now I had 4 plots after recalculation, just like before.
– thenickname
Nov 4 '10 at 16:59
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Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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How to mount a host directory in a Docker container
...x.
According to Docker documentation, the appropriate command to mount is now mount instead of -v. Here's its documentation:
--mount: Consists of multiple key-value pairs, separated by commas. Each key/value pair takes the form of a <key>=<value> tuple. The --mount syntax is more verb...
How to programmatically display version/build number of target in iOS app?
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Do you know if there are there any string constants for @"CFBundleShortVersionString" and @"CFBundleVersion" ?
– igrek
Oct 15 '15 at 7:36
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How to check status of PostgreSQL server Mac OS X
...o get them to take effect, remember to source it like so:
$ . ~/.bashrc
Now, try it and you should get something like this:
$ show-pg-status
pg_ctl: server is running (PID: 11030)
/usr/local/Cellar/postgresql/9.2.4/bin/postgres
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How can I run just the statement my cursor is on in SQL Server Management Studio?
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This worked really well for me in SSMS2012, but now I'm running SSMS2014 and I really miss it! Anyone know of a SSMS2014 solution?
– samp
May 11 '15 at 21:01
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Non greedy (reluctant) regex matching in sed?
... Holy smokes I can't believe that worked :-) Only thing that sucks is now my script has a Perl dependency :-( On the plus side, virtually every Linux distro has Perl already so probably not an issue :-)
– Freedom_Ben
Sep 20 '14 at 16:15
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