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Cannot pass null argument when using type hinting
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362
PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be nul...
How to reference a file for variables using Bash?
... to work?
– Ramiro
Jun 18 '14 at 22:30
2
Is there a way to use source by piping in the content ra...
What's the best way to parse command line arguments? [closed]
...getopt. getopt is pretty much a one-to-one mapping of the standard getopt(3) C library functions, and not very easy to use.
optparse, while being a bit more verbose, is much better structured and simpler to extend later on.
Here's a typical line to add an option to your parser:
parser.add_option...
Combine two data frames by rows (rbind) when they have different sets of columns
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13 Answers
13
Active
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error: passing xxx as 'this' argument of xxx discards qualifiers
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537
The objects in the std::set are stored as const StudentT. So when you try to call getId() with ...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...ses to objects, so I should have added "or reference to a pointer" to the #3 as well. However, I thought this would be more confusing than helpful, since references to pointers (T*&) are rarely ever used.
The dot and arrow operators can be used to refer to static class members from an object, ev...
How to delete a character from a string using Python
...to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
You asked if strings end with a special character. No, you are thinking like a C programmer. In Python, strings are stored with their length, so any byte value, including \0,...
How to include “zero” / “0” results in COUNT aggregate?
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edited Feb 10 '13 at 0:09
answered Feb 10 '13 at 0:04
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How can I set the Secure flag on an ASP.NET Session Cookie?
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Tadas Šukys
3,75644 gold badges2323 silver badges3030 bronze badges
answered Sep 18 '09 at 6:53
Akash KavaAkash K...
Run javascript function when user finishes typing instead of on key up?
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edited Jul 16 '15 at 20:32
knownasilya
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answere...