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Why does casting int to invalid enum value NOT throw exception?
...e that a type is an enum, so we have to check when the type
// is statically invoked.
static EnumUtil()
{
// Throw Exception on static initialization if the given type isn't an enum.
Require.That(typeof (T).IsEnum, () => typeof(T).FullName + " is not an enum type.");
...
How do I pull my project from github?
...lone git@github.com:username/repo.git
Update:
And this is the official guide:
https://help.github.com/articles/fork-a-repo
Take a look at:
https://help.github.com/
It has really useful content
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
.... The AutoResetEvent is a tollbooth, allowing one car to go by and automatically closing before the next one can get through.
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its type, the behavior is undefined. [ Note: most existing implementations of C++
ignore integer overflows. Treatment of division by zero, forming a remaind...
How can I profile C++ code running on Linux?
...rformance problems.
Just halt it several times, and each time look at the call stack. If there is some code that is wasting some percentage of the time, 20% or 50% or whatever, that is the probability that you will catch it in the act on each sample. So, that is roughly the percentage of samples on...
Python's equivalent of && (logical-and) in an if-statement
...erent name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % 2 == 0 and len(b) % 2 == 0:
or even:
if not (len(a) % 2 or len(b) % 2):
Some additional information (that ...
What is the point of a private pure virtual function?
...can be overridden in the derived classes. Methods of derived classes can't call virtual functions from the base class, but they can provide their own implementation for them. According to Herb Sutter, having public non-virtual interface in the base class and a private implementation that can be cust...
Counting DISTINCT over multiple columns
...hash or concatenated value of the two columns.
Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I believe a distinct count of the computed column would be equivalent to your query.
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How to prevent Browser cache for php site
... need to update the PHP, and caches wouldn't become completely and fantastically useless. Or just deliver your statics with a properly configured HTTP server like Nginx or Apache that sets a proper Last-Modified and ETag. Similarly, that type of "debugging" flag already exists… in the browser. (...
Add more than one parameter in Twig path
...nt, separating them by commas:
{{ path('_files_manage', {project: project.id, user: user.id}) }}
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