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Performance difference for control structures 'for' and 'foreach' in C#
...the lists indexer is implemented. As it turns out the enumerator for types based on arrays are normally written something like this:
private static IEnumerable<T> MyEnum(List<T> list)
{
for (int i = 0; i < list.Count; i++)
{
yield return list[i];
}
}
So as you c...
ASP.NET MVC RequireHttps in Production Only
...bit, and my VB is fairly rusty. All I know is that it compiles. I wrote it based on the suggestions of spot, queen3, and Lance Fisher. If it doesn't work, it should at least convey the general idea, and give you starting point.
Public Class RemoteRequireHttpsAttribute
Inherits System.Web.Mvc.Re...
Which iomanip manipulators are 'sticky'?
...ators return an object rather than a stream:
setiosflags
resetiosflags
setbase
setfill
setprecision
setw
This is a common technique to apply an operation to only the next object that is applied to the stream. Unfortunately this does not preclude them from being sticky. Tests indicate that all of ...
Mocking python function based on input arguments
... mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
... return value + 1
...
>>> m = MagicMock(side_effect=side_effect)
>>> m(1)
2
>>> m(2)
3
>>> m.mock_calls
[call(1), call(2)]
...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...
My personal preference is based on code literacy like this:
void* data = something;
MyClass* foo = reinterpret_cast<MyClass*>(data);
foo->bar();
or
typedef void* hMyClass; //typedef as a handle or reference
hMyClass = something;
const MyC...
Rails I18n validation deprecation warning
....0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `include'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `block in acts_as_authentic'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@appli...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...
el.tag = postfix # strip all namespaces
root = it.root
This is based on the discussion here:
http://bugs.python.org/issue18304
Update: rpartition instead of partition makes sure you get the tag name in postfix even if there is no namespace. Thus you could condense it:
for _, el in it:
...
Is there a way to 'uniq' by column?
...
To consider multiple column.
Sort and give unique list based on column 1 and column 3:
sort -u -t : -k 1,1 -k 3,3 test.txt
-t : colon is separator
-k 1,1 -k 3,3 based on column 1 and column 3
share
...
How to print an exception in Python?
... are going to print the exception, it is better to use print(repr(e)); the base Exception.__str__ implementation only returns the exception message, not the type. Or, use the traceback module, which has methods for printing the current exception, formatted, or the full traceback.
...
CMake: Print out all accessible variables in a script
...
based on @sakra
function(dump_cmake_variables)
get_cmake_property(_variableNames VARIABLES)
list (SORT _variableNames)
foreach (_variableName ${_variableNames})
if (ARGV0)
unset(MATCHED)
...