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Returning http status code from Web Api controller
...using an exception to communicate the most common case of NotModified is really wasteful. If all your APIs did this, then your server will be mostly converting watts to exceptions.
– Luke Puplett
Nov 28 '13 at 9:51
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Prepend a level to a pandas MultiIndex
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This is especially nice for adding a level to the columns by adding axis=1, since the df.columns doesn't have the "set_index" method like the index, which always bugs me.
– Rutger Kassies
Feb 10 '17 a...
What is the best way to concatenate two vectors?
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AB.reserve( A.size() + B.size() ); // preallocate memory
AB.insert( AB.end(), A.begin(), A.end() );
AB.insert( AB.end(), B.begin(), B.end() );
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Android studio - Failed to find target android-18
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I think you might not have the Android-18 sdk installed. Go to Tools > Android > SDK Manager and check to see if Android 4.3 (API 18) is installed.
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Stateless and Stateful Enterprise Java Beans
...s. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
7 ...
PHP array delete by value (not key)
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Well, deleting an element from array is basically just set difference with one element.
array_diff( [312, 401, 15, 401, 3], [401] ) // removing 401 returns [312, 15, 3]
It generalizes nicely, you can remove as many elements as you like at the same time, if you want.
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“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
...this absolutely infuriating bug for the last 48 hours, so I thought I'd finally throw in the towel and try asking here before I throw my laptop out the window.
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...ce them otherwise? If so, there's your answer.
Do I have to use EJBs? Really? Avoid them if at all possible--they are really only needed for very large, enterprise-class systems. Remember that they are merely tools, and big ones at that (can anyone say "Golden Sledgehammer"?). They are heavily...
How to create a private class method?
... answered Feb 10 '11 at 3:26
tjwallacetjwallace
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How to know/change current directory in Python shell?
...now how to change.
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Under Windows:
set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib
(taken from http://docs.python.org/using/windows.html)
edit 2
... and even better: use virtualenv and virtualenv_wrapper, this will allow you to create a development environment where you can add module paths ...