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Making a Sass mixin with optional arguments
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A DRY'r Way of Doing It
And, generally, a neat trick to remove the quotes.
@mixin box-shadow($top, $left, $blur, $color, $inset:"") {
-webkit-box-shadow: $top $left $blur $color #{$inset};
-moz-box-shadow: $top $left $blur $color #{$inset};
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maven command line how to point to a specific settings.xml for a single command?
... to override the default settings.xml being used by maven for a single command?
Example:
1 Answer
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How can I remove a trailing newline?
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Try the method rstrip() (see doc Python 2 and Python 3)
>>> 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\...
How do I base64 encode (decode) in C?
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You can skip the libm and math.h "dependency" as well the need for floating point operations (which are slow on some hardware), by using *output_length = ((input_length - 1) / 3) * 4 + 4; in the beginning of base64_encode.
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Convert a Python list with strings all to lowercase or uppercase
... python function that can convert all the strings in one pass to lowercase and vice versa, uppercase?
13 Answers
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Can a decorator of an instance method access the class?
...f hasattr(method, "use_class"):
# do something with the method and class
print name, cls
return cls
def method_decorator(view):
# mark the method as something that requires view's class
view.use_class = True
return view
@class_decorator
class ModelA(object):
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SQL Server query to find all permissions/access for all users in a database
...a specific database, or objects within the database such as tables, views, and stored procedures, either directly or due to roles, etc. This report would be used for security auditing purposes. Not sure if anyone has a query that will fit my needs completely, but hopefully something that will give...
How can I see the assembly code for a C++ program?
... the GNU assembler, compiling with -g -Wa,-alh will give intermixed source and assembly on stdout (-Wa asks compiler driver to pass options to assembler, -al turns on assembly listing, and -ah adds "high-level source" listing):
g++ -g -c -Wa,-alh foo.cc
For Visual Studio, use /FAsc.
Peek into the...
What is the Swift equivalent to Objective-C's “@synchronized”?
... from Matt Gallagher about this: cocoawithlove.com/blog/2016/06/02/threads-and-mutexes.html
– wuf810
Jul 29 '16 at 11:50
4
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What is the difference between a definition and a declaration?
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A declaration introduces an identifier and describes its type, be it a type, object, or function. A declaration is what the compiler needs to accept references to that identifier. These are declarations:
extern int bar;
extern int g(int, int);
double f(int, doub...