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Is there a “standard” format for command line/shell help text?
...in any order; thus -lst is equivalent to -tls.
Options can appear multiple times.
Options precede other nonoption
arguments: -lst nonoption.
The -- argument terminates options.
The - option is typically used to represent one of the standard input
streams.
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Finding duplicates in O(n) time and O(1) space
... elements from 0 to n-1, with any of these numbers appearing any number of times.
13 Answers
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Windows batch: formatted date into variable
...a locale-agnostic way using
for /f "skip=1" %%x in ('wmic os get localdatetime') do if not defined MyDate set MyDate=%%x
Then you can extract the individual parts using substrings:
set today=%MyDate:~0,4%-%MyDate:~4,2%-%MyDate:~6,2%
Another way, where you get variables that contain the individ...
What's the difference between URI.escape and CGI.escape?
... or change behavior drastically.
What is the replacement at this time?
As I said above, current URI.encode is wrong on spec level. So we
won't provide the exact replacement. The replacement will vary by its
use case.
https://bugs.ruby-lang.org/issues/4167
Unfortunately t...
Creating Threads in python
I have a script and I want one function to run at the same time as the other.
6 Answers
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Performance difference between IIf() and If
...exception, which is not how most people think the function works the first time that they see it. This can also lead to some very hard to fix bugs in an application as well.
[1] IIf Function - http://msdn.microsoft.com/en-us/library/27ydhh0d(VS.71).aspx
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“#include” a text file in a C program as a char[]
...a way to include an entire text file as a string in a C program at compile-time?
17 Answers
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Difference between == and ===
...single instance of a class behind the scenes. Class references stay in Run Time Stack (RTS) and their instances stay in Heap area of Memory. When you control equality with == it means if their instances are equal to each other. It doesn't need to be same instance to be equal. For this you need to pr...
Git will not init/sync/update new submodules
... it sure sounds like it should do exactly what you say it doesn't do... ? Time for a update on the git documentation?
– Brad
Jan 14 '17 at 1:13
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Is there a typical state machine implementation pattern?
... to happen before you can continue. This will help minimize the number of times you have to run the state machine before you get a result. This can be important when writing I/O functions, or interrupt handlers.
Also, a few pros and cons of the classic switch statement:
Pros:
it is in the lang...