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Format numbers to strings in Python
...
Starting with Python 3.6, formatting in Python can be done using formatted string literals or f-strings:
hours, minutes, seconds = 6, 56, 33
f'{hours:02}:{minutes:02}:{seconds:02} {"pm" if hours > 12 else "am"}'
or the str.format function s...
C++, Free-Store vs Heap
... Michael KovalMichael Koval
7,24244 gold badges3434 silver badges4949 bronze badges
24
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Automatically add all files in a folder to a target using CMake?
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235
It is possible. E.g. with file(GLOB:
cmake_minimum_required(VERSION 2.8)
file(GLOB helloworld...
Is it possible to delete an object's property in PHP?
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376
unset($a->new_property);
This works for array elements, variables, and object attributes....
How can I print the contents of a hash in Perl?
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Data::Dumper is your friend.
use Data::Dumper;
my %hash = ('abc' => 123, 'def' => [4,5,6]);
print Dumper(\%hash);
will output
$VAR1 = {
'def' => [
4,
5,
6
],
'abc' => 123
};...
Linq to Objects: does GroupBy preserve order of elements?
...
Manfred Radlwimmer
12.1k1313 gold badges4444 silver badges5555 bronze badges
answered Sep 21 '09 at 1:25
Konstantin SpirinKons...
SQL variable to hold list of integers
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232
Table variable
declare @listOfIDs table (id int);
insert @listOfIDs(id) values(1),(2),(3); ...
Regex group capture in R with multiple capture-groups
... in the match (and one for the whole match):
> s = c("(sometext :: 0.1231313213)", "(moretext :: 0.111222)")
> str_match(s, "\\((.*?) :: (0\\.[0-9]+)\\)")
[,1] [,2] [,3]
[1,] "(sometext :: 0.1231313213)" "sometext" "0.1231313213"
[2,] "(moretext ::...
Chrome/jQuery Uncaught RangeError: Maximum call stack size exceeded
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133
As "there are tens of thousands of cells in the page" binding the click-event to every single c...
Why is $$ returning the same id as the parent process?
...d with BASHPID.
~ $ echo $$
17601
~ $ ( echo $$; echo $BASHPID )
17601
17634
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