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TSQL - Cast string to integer or return default value
...brand-name bloggers on CASE short circuiting mot being reliable at compile time even if the run-time sequencing was honoured. I can't find that reference at this time, however. My motivation was to warn The Community that this may be a problem, depending on their version/ edition/ patch level and ...
How to replace all dots in a string using JavaScript
...arate variable outside the loop. Compiling/interpreting a regex takes some time, but once it's compiled, it can be used pretty fast. Please try these tests I made: jsperf.com/replace-vs-split-join-vs-replaceall/23
– sanderd17
Apr 15 '13 at 9:02
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How to read the RGB value of a given pixel in Python?
If I open an image with open("image.jpg") , how can I get the RGB values of a pixel assuming I have the coordinates of the pixel?
...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
I developed a Windows service using C#.NET to generate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error:
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Is Random class thread safe?
...that Random uses atomic variables. It can still randomly collide if currentTime * thread id is equal some time in the future, but that's rare enough for my needs. To truly avoid the possibility of collisions, you could have each request wait for a unique clock timestamp.
/**
* Thread-specific rand...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...ned by a "new" allocation of size zero
Using pointers to objects whose lifetime has ended (for instance, stack allocated objects or deleted objects)
Dereferencing a pointer that has not yet been definitely initialized
Performing pointer arithmetic that yields a result outside the boundaries (either...
Are Roslyn SyntaxNodes reused?
...stion!
Great question. We debated the issues you raise for a long, long time.
We would like to have a data structure that has the following characteristics:
Immutable.
The form of a tree.
Cheap access to parent nodes from child nodes.
Possible to map from a node in the tree to a character offs...
Assert a function/method was not called using Mock
... setUp(self):
self.message = "Method should not be called. Called {times} times!"
@mock.patch("my_module.method_to_mock")
def test(self, mock_method):
my_module.method_to_mock()
self.assertFalse(mock_method.called,
self.message.format(times=...
What's the simplest way to subtract a month from a date in Python?
If only timedelta had a month argument in it's constructor. So what's the simplest way to do this?
20 Answers
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Creating a new empty branch for a new project
We are using a git repository to store our project. We have our branches departing from the original branch. But now we want to create a small new project to track some documentation. For that we would want to create a new empty branch to start storing our files, and I would want other users of the ...