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How to use index in select statement?
...r shouldn't have to do it for you by comparing all the combinations, or at least not begin the comparison with the more expensive queries.
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How do SO_REUSEADDR and SO_REUSEPORT differ?
... systems copied the BSD socket implementation at some point in time (or at least its interfaces) and then started evolving it on their own. Of course the BSD socket implementation was evolved as well at the same time and thus systems that copied it later got features that were lacking in systems tha...
Hide all warnings in ipython
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The accepted answer does not work in Jupyter (at least when using some libraries).
The Javascript solutions here only hide warnings that are already showing but not warnings that would be shown in the future.
To hide/unhide warnings in Jupyter and JupyterLab I wrote the ...
Is there any WinSCP equivalent for linux? [closed]
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konqueror has supported this for a long while - at least since 2003 as evidenced by this old mailing list post (lists.freebsd.org/pipermail/freebsd-questions/2003-September/…) :)
– warren
Nov 18 '08 at 17:21
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Crop MP3 to first 30 seconds
...ile to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the quality of your sound files, and it also takes longer to do.
Here's a command line that will slice to 30 seconds without transcoding:
ffmpeg -t 30 -i inputfil...
Maven artifact and groupId naming
... It has to follow the package name
rules, what means that has to be at
least as a domain name you control,
and you can create as many subgroups
as you want. Look at More information
about package names.
eg. org.apache.maven, org.apache.commons
A good way to determine the granular...
MySQL offset infinite rows
... elegant than that... Limit -1 or Limit Null looks pretty reasonable! or atleast Limit should accept a subquery like select * from table limit (select count(*) from table)
– vulcan raven
Jan 15 '12 at 22:04
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Select all elements with “data-” attribute without using jQuery
...ct an attribute with a colon in the name, you need to escape the colon (at least in Chrome) like so: querySelectorAll('[attribute\\:name]') (see: code.google.com/p/chromium/issues/detail?id=91637)
– Jeremy
Oct 3 '12 at 18:29
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Java volatile reference vs. AtomicReference
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Agreed. We at least need a link.
– Julien Chastang
Jan 30 '09 at 16:57
2
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What's the best way to put a c-struct in an NSArray?
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Mutable arrays (at least in this case) are created in an empty state and hence don't need a pointer to the values to be stored within. This is distinct from the immutable array wherein the contents are "frozen" at creation and hence values must...