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Stop Visual Studio from mixing line endings in files
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This is actually a plugin and not installed by default.
– null
Oct 9 '15 at 6:59
1
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What is the JavaScript >>> operator and how do you use it?
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Ivan, that would shift it by 0 places; that statement wouldn't change anything.
– Dean J
Nov 30 '09 at 21:10
3
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Selecting with complex criteria from pandas.DataFrame
...ctions for comparison. So if you want to select values of "A" that are met by the conditions of "B" and "C" (assuming you want back a DataFrame pandas object)
df[['A']][df.B.gt(50) & df.C.ne(900)]
df[['A']] will give you back column A in DataFrame format.
pandas 'gt' function will return the ...
Checking to see if a DateTime variable has had a value assigned
... which case at compile-time you can tell that it isn't definitely assigned by trying to read from it :)
I suspect you really want Nullable<DateTime> (or DateTime? with the C# syntactic sugar) - make it null to start with and then assign a normal DateTime value (which will be converted appropr...
How to use a variable inside a regular expression?
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This only works because we are using a raw-string (the regex is preceded by 'r'), otherwise we must write "\\\\boundary" in the regex (four backslashes). Additionally, without '\r', \b' would not converted to a word boundary anymore but to a backspace!
re.escape:
Basically puts a backspace in fr...
How to execute file I'm editing in Vi(m)
...output to a split window. Use :copen to open up the "error list" produced by running :make.in its own window. Unfortunately, to get the output to be formatted properly, some finagling of the errorformat option is necessary. Otherwise output will be presumed to be of the format gcc puts out.
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Very large matrices using Python and NumPy
...ry fast; my 5 year old laptop can crunch through data doing SQL-like GROUP BY aggregation at 1,000,000 rows/second. Not bad for a Python-based solution!
Accessing the data as a NumPy recarray again is as simple as:
data = table[row_from:row_to]
The HDF library takes care of reading in the releva...
What’s the best RESTful method to return total number of items in an object?
...having the total count of the collection items in the response is valuable by itself and works as a "next" flag just the same.
– Franci Penov
Sep 16 '10 at 0:53
5
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Catching an exception while using a Python 'with' statement
...If however __exit__ raises itself, the original exception will be replaced by the new one. To deal with these cases we can add a general except clause in the body of the with to store any potential exception that would have otherwise escaped unnoticed and compare it with the one caught in the outerm...
What difference is there between WebClient and HTTPWebRequest classes in .NET?
...n purpose for future readers:
WebRequest
System.Object
System.MarshalByRefObject
System.Net.WebRequest
The WebRequest is an abstract base class. So you actually don't use it directly. You use it through it derived classes - HttpWebRequest and FileWebRequest.
You use Create method o...