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How can I count the occurrences of a list item?
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Use Counter if you are using Python 2.7 or 3.x and you want the number of occurrences for each element:
>>> from collections import Counter
>>> z = ['blue', 'red', 'blue', 'yellow', 'blue', 'red']
>>> Counter(z)
Counter({'blue': 3, 'red': 2, 'ye...
Why use a ReentrantLock if one can use synchronized(this)?
I'm trying to understand what makes the lock in concurrency so important if one can use synchronized (this) . In the dummy code below, I can do either:
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What would be an alternate to [TearDown] and [SetUp] in MSTest?
When I use MSTest Framework, and copy the code that Selenium IDE generated for me, MSTest doesn't recognize [TearDown] and [SetUp] . What is the alternative to this?
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How to hide reference counts in VS2013?
... found that the feature is called Code Information Indicators or CodeLens, and can be located under
Tools → Options → Text Editor → All Languages → CodeLens
(for RC/final version)
or
Tools → Options → Text Editor → All Languages → Code Information Indicators
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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
...ducing this bug can be found here at Microsoft Connect. I have also tested and verified that the solution given in the accepted answer below works on that sample project. If this solution doesn't work for you, you are probably having a different issue (which belongs in a separate question).
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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
Here's a standard scenario:
11 Answers
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Difference between Django's annotate and aggregate methods?
Django's QuerySet has two methods, annotate and aggregate . The documentation says that:
3 Answers
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Configure Sublime Text on OS X to show full directory path in title bar
... edited Feb 29 at 14:28
sandre89
2,6942323 silver badges4747 bronze badges
answered Sep 20 '14 at 12:29
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Comma in C/C++ macro
...an also represent (or occur in) the comparison operators <, >, <= and >=, macro expansion can't ignore commas inside angle brackets like it does within parentheses. (This is also a problem for square brackets and braces, even though those usually occur as balanced pairs.) You can enclo...
How to get first record in each group using Linq
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What if want to retrieve the first and last item from the group?
– Sandeep Pandey
Feb 14 at 13:11
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