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reformat in vim for a nice column layout
...command in visual mode for step #1 is: '<,'>s/"\(\w\+\) \(\w\+\)"/"\1_\2"/g
– Luciano
Aug 11 '15 at 9:38
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Opposite of %in%: exclude rows with values specified in a vector
... use
`%not in%` <- function (x, table) is.na(match(x, table, nomatch=NA_integer_))
Another way is:
function (x, table) match(x, table, nomatch = 0L) == 0L
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How can I get all the request headers in Django?
...m HTTP headers.
From the documentation:
With the exception of CONTENT_LENGTH and CONTENT_TYPE, as given above, any HTTP headers in the request are converted to META keys by converting all characters to uppercase, replacing any hyphens with underscores and adding an HTTP_ prefix to the name.
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Relative paths in Python
..., you want to do something like this:
import os
dirname = os.path.dirname(__file__)
filename = os.path.join(dirname, 'relative/path/to/file/you/want')
This will give you the absolute path to the file you're looking for. Note that if you're using setuptools, you should probably use its package re...
Is there a way to specify an “empty” C# lambda expression?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...ot.
– Corey Ogburn
Feb 14 '14 at 15:32
2
If your server returns JSON responses, you can look into...
Is there a C# type for representing an integer Range?
... {
try
{
int temp = Int32.Parse(line);
result.Add(temp);
}
catch
{
string[] temp = line.Split(new char[] { '-' });
int a = Int32.Parse(temp[...
Should I Dispose() DataSet and DataTable?
...ps-looking-at-the-finalization-queue.aspx
http://issuu.com/arifaat/docs/asp_net_3.5unleashed
http://msdn.microsoft.com/en-us/magazine/bb985013.aspx
http://blogs.msdn.com/tess/archive/2006/03/27/561715.aspx
Original Answer:
There are a lot of misleading and generally very poor answers on this - an...
Nullable vs. int? - Is there any difference?
...hand for Nullable<int>, which itself is shorthand for Nullable<Int32>.
Compiled code will be exactly the same whichever one you choose to use.
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Regular Expression for alphanumeric and underscores
...that contains only those characters (or an empty string), try
"^[a-zA-Z0-9_]*$"
This works for .NET regular expressions, and probably a lot of other languages as well.
Breaking it down:
^ : start of string
[ : beginning of character group
a-z : any lowercase letter
A-Z : any uppercase letter
0-...