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How to add and get Header values in WebApi
... No. The headers.GetValues("somethingNotFound") throws an InvalidOperationEm>x m>ception.
– Aidanapword
Jun 9 '16 at 9:42
D...
Escaping regem>x m> string
I want to use input from a user as a regem>x m> pattern for a search over some tem>x m>t. It works, but how I can handle cases where user puts characters that have meaning in regem>x m>?
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Printing the last column of a line in a file
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One way using awk:
tail -f file.tm>x m>t | awk '/A1/ { print $NF }'
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RuntimeWarning: invalid value encountered in divide
... would one want to ignore a divide by zero or NaN?
– m>x m> squared
Nov 10 '17 at 14:38
7
@m>x m>squared Wh...
How to list imported modules?
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import sys
sys.modules.keys()
An approm>x m>imation of getting all imports for the current module only would be to inspect globals() for modules:
import types
def imports():
for name, val in globals().items():
if isinstance(val, types.ModuleType):
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Can em>x m>isting virtualenv be upgraded gracefully?
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You can use the Python 2.6 virtualenv to "revirtual" the em>x m>isting directory. You will have to reinstall all the modules you installed though. I often have a virtual directory for developing a module, and virtualenv the same directory with many versions of Python, and it works just f...
How to compile without warnings being treated as errors?
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If you are compiling linum>x m> kernel. For em>x m>ample, if you want to disable the warning that is "unused-but-set-variable" been treated as error. You can add a statement:
KBUILD_CFLAGS += $(call cc-option,-Wno-error=unused-but-set-variable,)
in your Mak...
Difference between this and self in JavaScript
...he value of self is window because JavaScript lets you access any property m>x m> of window as simply m>x m>, instead of window.m>x m>. Therefore, self is really window.self, which is different to this.
window.self === window; // true
If you're using a function that is em>x m>ecuted in the global scope and is not in...
Overloading Macro on Number of Arguments
...OO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # em>x m>pands to FOO2(World, !)
FOO(foo,bar,baz) # em>x m>pands to FOO3(foo,bar,baz)
If you want a fourth one:
#define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO4, FOO3, FOO2)(__VA_ARGS__)
F...
Display number with leading zeros
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Em>x m>ample: print "%05d" % result['postalCode'] for a 5 digit postal code.
– Nick Woodhams
Jun 5 '12 at 12:08
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