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What's the difference between a temp table and table variable in SQL Server?
... still be populated!
Temp tables might result in stored procedures being recompiled, perhaps often. Table variables will not.
You can create a temp table using SELECT INTO, which can be quicker to write (good for ad-hoc querying) and may allow you to deal with changing datatypes over time, since you...
How to kill a child process after a given timeout in Bash?
...
(As seen in:
BASH FAQ entry #68: "How do I run a command, and have it abort (timeout) after N seconds?")
If you don't mind downloading something, use timeout (sudo apt-get install timeout) and use it like: (most Systems have it already installed otherwise use sudo apt-get ...
is there a post render callback for Angular JS directive?
...
});
Give this a read if you plan on making directives, it's a big help: http://docs.angularjs.org/guide/directive
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Showing the stack trace from a running Python application
...gdb to the process and get a python stack trace with some gdb macros. Put http://svn.python.org/projects/python/trunk/Misc/gdbinit in ~/.gdbinit, then:
Attach gdb: gdb -p PID
Get the python stack trace: pystack
It's not totally reliable unfortunately, but it works most of the time.
Finally, attac...
Modify tick label text
...plt.plot(x,y, 'r')
plt.xticks(x, labels, rotation='vertical')
plt.show()
http://matplotlib.org/examples/ticks_and_spines/ticklabels_demo_rotation.html
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?
...body[1]/div[1]") );
<div>foo</div>
https://gist.github.com/yckart/6351935
There's also a great introduction on mozilla developer network: https://developer.mozilla.org/en-US/docs/Introduction_to_using_XPath_in_JavaScript#document.evaluate
Alternative version, using XPathEvalu...
decorators in the python standard lib (@deprecated specifically)
...r function instead")
def foo():
"""Do some stuff"""
return 1
See http://deprecation.readthedocs.io/ for the full documentation.
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
...the same problem while trying to consume net.tcp wcf service endpoint in a http asmx service.
As I saw no one wrote specific answer WHY is this problem occurring, but only how to be handled properly.
I've been struggling with it several days in a row and finally I found out where the problem come...
How to check if hex color is “too black”?
...ed. You can calculate this in several different way (such is to be human!) http://en.wikipedia.org/wiki/HSL_and_HSV#Lightness
Take the max of R, G, and B.
Take the average of the max and the min from R, G, and B.
Take the average of all three.
Use some weighted average as others have suggested her...
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
...t explains how to get rid of extraneous annotations with the help of Java8 compiler flag and a Jackson module. I've tested the approach and it works.
– quantum
Sep 21 '15 at 17:46
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