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Caveats of select/poll vs. epoll reactors in Twisted
...ding on your hardware, of course, but we're talking about something on the order of 10 or fewer), select can beat epoll in memory usage and runtime speed. Of course, for such small numbers of sockets, both mechanisms are so fast that you don't really care about this difference in the vast majority ...
How to exit from PostgreSQL command line utility: psql
...working in pgsql it'll work in most your other unix shells (python, mysql, etc). If you always do things the "standard" way in 'nix your brain will be less cluttered with trivia.
– hobs
Nov 7 '13 at 22:10
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...ave suggested very good solutions but you have to do it manually vi editor etc. Instead you can run this command via your Mac Terminal and you will be good to go :
find /Applications/IntelliJ*/*Contents/*Info.plist -exec sed -i -e 's/string>1.6/string>1.7/' {} \;
Few optional tips:
If ...
User Authentication in ASP.NET Web API
...ication or any .Net application (Win Forms, WPF, console, Windows service, etc)
For example assume that you will be consuming the Web API service from another web application on the same network domain (within an intranet), in this case you could rely on the Windows authentication provided by ASP.N...
Junit: splitting integration test and Unit tests
... of actual unit test and integration tests (requiring external systems, db etc).
6 Answers
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sql query to return differences between two tables
... you need to make sure you select the same fields (same types) in the same order. SELECT * works if this is the case for all columns; if not, just select some subset.
– ashes999
Mar 11 '13 at 16:14
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Import error: No module name urllib2
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The above didn't work for me in 3.3. Try this instead (YMMV, etc)
import urllib.request
url = "http://www.google.com/"
request = urllib.request.Request(url)
response = urllib.request.urlopen(request)
print (response.read().decode('utf-8'))
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Fragment onCreateView and onActivityCreated called twice
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you can also use fragment.getClass().getName() if you want to remove the class variable and remove a parameter from the call
– Ben Sewards
Jul 25 '13 at 13:26
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How do you create different variable names while in a loop? [duplicate]
... few situations when you do need to make a bunch of variables, x1, x2, x3, etc. But in most situations, using a dictionary really is the most appropriate thing to do.
– DevilApple227
Jul 2 '16 at 21:54
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opengl: glFlush() vs. glFinish()
...appropriate non-OpenGL APIs (e.g. reads from the framebuffer, screenshots, etc...). Whether that is really what happens is driver-dependent. The specification allows a ton of latitude as to what is legal.
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