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... edited May 23 '17 at 12:31
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answered Apr 30 '10 at 16:48
SergGrSergGr
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MySQL select where column is not empty
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Compare value of phone2 with empty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
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Streaming via RTSP or RTP in HTML5
...the src attribute as part of the URL. E.g.:
<video src="rtp://myserver.com/path/to/stream">
Your browser does not support the VIDEO tag and/or RTP streams.
</video>
or maybe
<video src="http://myserver.com:1935/path/to/stream/myPlaylist.m3u8">
Your browser does not suppor...
MySQL check if a table exists without throwing an exception
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What is the runtime performance cost of a Docker container?
I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references to networking anecdotally being ~100µs slower .
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void in C# generics?
...ates: had it been possible to return void, all Action<X,Y,Z> would become simply Func<X,Y,Z,void>. Unfortunately, this is not possible.
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jQuery Event Keypress: Which key was pressed?
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According to a comment further down on this page, jQuery normalizes so that 'which' is defined on the event object every time. So, checking for 'keyCode' should be unnecessary.
– Ztyx
Jun 22 '10 at 14:...
How to create a windows service from java app
... But I had a look at the feature list. You will just need to be aware that community version is not licensed for use on the server.
– Brian Matthews
Sep 16 '08 at 1:36
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Calling C/C++ from Python?
...jects to Python, and vice-versa, using no special
tools -- just your C++ compiler. It is designed to wrap C++ interfaces
non-intrusively, so that you should not have to change the C++ code at
all in order to wrap it, making Boost.Python ideal for exposing
3rd-party libraries to Python. The l...
How do I analyze a .hprof file?
...L) against the in-memory objects, i.e.
SELECT toString(firstName) FROM com.yourcompany.somepackage.User
Totally brilliant.
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