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What is Microsoft.csharp.dll in .NET 4.0
... for? It does not seem to contain much after looking at it using Reflector and Google does not seem to have much to say about it either.
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Is there a way that I can check if a data attribute exists?
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It will return false if the value exists and is equal to 0. This is quirky.
– Gherman
Apr 7 '15 at 6:42
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How to safely open/close files in python 2.4
...python.org:
When you’re done with a file, call f.close() to close it and free up any system resources taken up by the open file. After calling f.close(), attempts to use the file object will automatically fail.
Hence use close() elegantly with try/finally:
f = open('file.txt', 'r')
try:
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Editing legend (text) labels in ggplot
I have spent hours looking in the documentation and on StackOverflow, but no solution seems to solve my problem. When using ggplot I can't get the right text in the legend, even though it's in my dataframe. I have tried scale_colour_manual , scale_fill_manual with different values for labels=...
returning in the middle of a using block
... will cause you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using ( var x = new Something() ) {
// not a good ide...
A connection was successfully established with the server, but then an error occurred during the pre
...ically that solved my problem, but in my case i was not getting this error and suddenly my local environment starts giving me above error, so may be that trick work for me.
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Git: list only “untracked” files (also, custom commands)
Is there a way to use a command like git ls-files to show only untracked files?
9 Answers
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SearchView's OnCloseListener doesn't work
I'm trying to add support for the SearchView in the Android 3.0+ ActionBar, but I can't get the OnCloseListener to work.
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How to add an empty column to a dataframe?
What's the easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like
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Regular expression search replace in Sublime Text 2
...for the first capture group (the first match of a pattern in parentheses), and indeed Sublime supports both syntaxes. So try:
my name used to be \1
or
my name used to be $1
Also note that your original capture pattern:
my name is (\w)+
is incorrect and will only capture the final letter of ...