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What's the difference between an exclusive lock and a shared lock?
...hing while someone else is reading it, what then would they read? I don't know why you chose to pick out a "re-entrant" read-write lock specifically, but re-entrancy means that the owner of a re-entrant lock can 'lock()' it again and all subsequent lock() calls after the first one will return immedi...
URL matrix parameters vs. query parameters
...is a very useful feature of uri templates; just because most people don't know about or use it doesn't mean it's some evil conspiracy by angular devs to inject useless complexity into your life.
– Ajax
Mar 22 '17 at 20:36
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Once upon a time, when > was faster than < … Wait, what?
...o your tutorial in my question has gone dead. Could you please let us all know where have the tutorials move and optionally edit the question, please?
– Armen Tsirunyan
Mar 24 '15 at 12:57
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External VS2013 build error “error MSB4019: The imported project was not found”
...around the "targets". Turns out MSBuild is different under VS2013, and is now part of VS and not the .Net Framework (see http://timrayburn.net/blog/visual-studio-2013-and-msbuild/). Basically, use the correct version of MSBuild:
OLD, VS2012
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.e...
Removing the remembered login and password list in SQL Server Management Studio
... the sqlstudio.bin file still works for v18 but that wasn't my experience. Now if I could only figure out what is wiping out the usersettings.xml file every month or two. I'm so tired of having to re-enter my list of servers!
– PTansey
Jun 11 at 18:58
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What is the advantage of using forwarding references in range-based for loops?
...This last case of mine should really be a template to make sense. If you know the loop is always handling a proxy reference, then auto would work as well as auto&&. But when the loop was sometimes handling non-proxy references and sometimes proxy-references, then I think auto&& wou...
Rename specific column(s) in pandas
...x
1 x x x
2 x x x
3 x x x
4 x x x
With 0.21+, you can now specify an axis parameter with rename:
df.rename({'gdp':'log(gdp)'}, axis=1)
# df.rename({'gdp':'log(gdp)'}, axis='columns')
y log(gdp) cap
0 x x x
1 x x x
2 x x x
3 x x x
4...
What's the difference between jquery.js and jquery.min.js?
... using the minified version (.min) for your live environment as Google are now checking on page loading times. Having all your JS file minified means they will load faster and will score you more brownie points.
You can get an addon for Mozilla called Page Speed that will look through your site and...
How to reliably open a file in the same directory as a Python script
...test.py"
sys.argv[0]: C:\Documents and Settings\Admin\test.py
Ok so know you can get the file name, great big deal, now to get the application directory you can know use os.path, specifically abspath and dirname
import sys, os
print os.path.dirname(os.path.abspath(sys.argv[0]))
That...
Calculate a Running Total in SQL Server
...um in the order of the primary key, I presume. It would be interesting to know if cursors are still more efficient than joins for larger data sets.
– codeulike
May 14 '09 at 8:37
1...