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Converting NumPy array into Python List structure?
...up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.)
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How do I prevent 'git diff' from using a pager?
...use a pager. Passing the option -F to less will tell it to not page if the output fits in a single screen.
Usage:
git --no-pager diff
Other options from the comments include:
# Set an evaporating environment variable to use 'cat' for your pager
GIT_PAGER=cat git diff
# Tells 'less' not to pagi...
Null coalescing in powershell
.../powershell.
Per the documentation, the following operators are supported out-of-the-box in PowerShell 7.0:
Null-coalescing: ??
Null-coalescing assignment: ??=
Ternary: ... ? ... : ...
These work as you would expect for null coalescing:
$x = $a ?? $b ?? $c ?? 'default value'
$y ??= 'default va...
What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
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Brad is there any way to find out if a Model that is decorated with DataAnnotations "IsValid" without ModelState. (Say for example the Object is loaded from a file or used in a Console App etc.)
– runxc1 Bret Ferrier
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In Objective-C why should I check if self = [super init] is not nil?
I have a general question about writing init methods in Objective-C.
9 Answers
9
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Tar archiving that takes input from a list of files
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Pointing out that this command is for linux variant and for those on sunOS or other variants, do check out the other answers below. E.g. For sunOS, two alternatives I have tested: tar -cvf file.tar -I list.txt and tar -cvf file.tar $(...
Asterisk in function call
...e list of lists into several list arguments.
As Jochen Ritzel has pointed out in the comments, chain.from_iterable() is better-suited for this operation, as it assumes a single iterable of iterables to begin with. Your code then becomes simply:
uniqueCrossTabs = list(itertools.chain.from_iterable(...
How do I get the user agent with Flask?
...ages[0][0]
which will result in string
'en-US'
Detailed information about 'accept_language" header: https://www.w3.org/International/questions/qa-lang-priorities
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error: use of deleted function
...r, you should check the function declaration for =delete.
To know more about this new feature introduced in C++0x, check this out.
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How do you copy the contents of an array to a std::vector in C++ without looping?
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There have been many answers here and just about all of them will get the job done.
However there is some misleading advice!
Here are the options:
vector<int> dataVec;
int dataArray[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
unsigned dataArraySize = sizeof(dataA...