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How can I stop a running MySQL query?
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Thanx, I only knew how to do it in phpmyadmin!
– Zilverdistel
Sep 24 '10 at 13:41
5
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How to update column with null value
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NULL is a special value in SQL. So to null a property, do this:
UPDATE table SET column = NULL;
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unix diff side-to-side results?
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From man diff, you can use -y to do side-by-side.
-y, --side-by-side
output in two columns
Hence, say:
diff -y /tmp/test1 /tmp/test2
Test
$ cat a $ cat b
hello hello
my name my name
is me ...
xkcd style graphs in MATLAB
...ond way is to create a non-jittery plot, and use imtransform to apply a random distortion to the image. This has the advantage that you can use it with any plot, but you will end up with an image, not an editable plot.
I'll show #2 first, and my attempt at #1 below (if you like #1 better, look at R...
How to convert local time string to UTC?
How do I convert a datetime string in local time to a string in UTC time ?
21 Answers
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How to use JavaScript source maps (.map files)?
...are about being able to debug production code easier, then yes, you should do it.
How does it get created? It is created at build time. There are build tools that can build your .map file for you as it does other files. https://github.com/gruntjs/grunt-contrib-uglify/issues/71
I hope this makes sen...
Android Lint contentDescription warning
... view. This property is used primarily for accessibility. Since some views do not have textual representation this attribute can be used for providing such.
Non-textual widgets like ImageViews and ImageButtons should use the contentDescription attribute to specify a textual description of the widg...
SQL Inner-join with 3 tables?
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You can do the following (I guessed on table fields,etc)
SELECT s.studentname
, s.studentid
, s.studentdesc
, h.hallname
FROM students s
INNER JOIN hallprefs hp
on s.studentid = hp.studentid
INNER JOIN halls h
on...
How to run a python script from IDLE interactive shell?
How do I run a python script from within the IDLE interactive shell?
15 Answers
15
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Implementing comparison operators via 'tuple' and 'tie', a good idea?
... sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first and ...