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PHP - concatenate or directly insert variables in string
...As a sidenote, so my answer is a bit more complete: the day you'll want to do something like this:
echo "Welcome $names!";
PHP will interpret your code as if you were trying to use the $names variable -- which doesn't exist.
- note that it will only work if you use "" not '' for your string.
Tha...
Using python map and other functional tools
...efinition of bars, this principle is broken.
– image_doctor
Jul 10 '13 at 13:22
3
Dear Stack over...
How do I choose between Semaphore and SemaphoreSlim?
Their public interfaces appear similar. The documentation states that the SemaphoreSlim is a lightweight alternative and doesn't use Windows Kernel semaphores. This resource states that the SemaphoreSlim is much faster. In what situations does the SemaphoreSlim make more sense over the Semaph...
How do I pass extra arguments to a Python decorator?
...ctual_decorator
The functools.wraps call copies things like the name and docstring to the wrapper function, to make it more similar to the original function.
Example usage:
>>> @log_decorator(True)
... def f(x):
... return x+1
...
>>> f(4)
Calling Function: f
5
...
How do I select text nodes with jQuery?
... text nodes of an element, as a jQuery collection. What is the best way to do that?
11 Answers
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How do I get a value of datetime.today() in Python that is “timezone aware”?
...to create aware timezones without creating your own timezone class.
On Windows, there's win32timezone.utcnow(), but that's part of pywin32. I would rather suggest to use the pytz library, which has a constantly updated database of most timezones.
Working with local timezones can be very tricky (se...
Why does “pip install” inside Python raise a SyntaxError?
...o run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package?
...
How do I know the script file name in a Bash script?
...eading through a symlink1, which is usually not what you want (you usually don't want to confuse the user this way), try:
me="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
IMO, that'll produce confusing output. "I ran foo.sh, but it's saying I'm running bar.sh!? Must be a...
How do I set a column value to NULL in SQL Server Management Studio?
How do I clear the value from a cell and make it NULL?
6 Answers
6
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How do I convert from stringstream to string in C++?
How do I convert from std::stringstream to std::string in C++?
4 Answers
4
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