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Test whether a glob has any matches in bash
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edited Sep 22 '18 at 15:34
answered Dec 10 '15 at 6:36
Br...
Why do python lists have pop() but not push()
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253
Because "append" existed long before "pop" was thought of. Python 0.9.1 supported list.append in...
Team Build Error: The Path … is already mapped to workspace
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23 Answers
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Active
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What is SYSNAME data type in SQL Server?
...eople using it?) the built in type of sysname is the equivalent of varchar(30)
Documentation
sysname is defined with the documentation for nchar and nvarchar, in the remarks section:
sysname is a system-supplied user-defined data type that is functionally equivalent to nvarchar(128), except t...
In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
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352
You can either set the timeout when running your test:
mocha --timeout 15000
Or you can set...
Functions that return a function
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Assigning a variable to a function (without the parenthesis) copies the reference to the functio...
What is the difference between UTF-8 and Unicode?
...s of these encodings would be UCS2 (2 bytes = 16 bits) and UCS4 (4 bytes = 32 bits). They suffer from inherently the same problem as the ASCII and ISO-8859 standards, as their value range is still limited, even if the limit is vastly higher.
The other type of encoding uses a variable number of byte...
Resize image in the wiki of GitHub using Markdown
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398
Updated:
Markdown syntax for images (external/internal):
Visual Studio 2012 (224MB)
Visual Studio 2013 (287MB)
Visual Studio 2010 (515MB)
This installs everything needed for running mstest.exe from the command line and is much lighter weight than visual studio. ~500mb download and around ~300mb to install just the test ag...
Difference between a Structure and a Union
.../ can use both a and b simultaneously
char b;
} bar;
union foo x;
x.a = 3; // OK
x.b = 'c'; // NO! this affects the value of x.a!
struct bar y;
y.a = 3; // OK
y.b = 'c'; // OK
edit: If you're wondering what setting x.b to 'c' changes the value of x.a to, technically speaking it's undefined. On...