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How do I typedef a function pointer with the C++11 using syntax?
...
It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void()>::type...
How can I split a text into sentences?
...e this as one sentence: When a child asks her mother "Where do babies come from?", what should one reply to her?
– twhale
Apr 29 '18 at 6:54
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Profiling Vim startup time
...there's the --startuptime option you can use.
vim --startuptime vim.log
from the help (vim -h):
--startuptime <file> Write startup timing messages to <file>
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I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...-01');
$end = new DateTime('2010-05-10');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);
foreach ($period as $dt) {
echo $dt->format("l Y-m-d H:i:s\n");
}
This will output all days in the defined period between $start and $end. ...
Cleanest way to write retry logic?
...erform retry logic:
Retry.Do(() => SomeFunctionThatCanFail(), TimeSpan.FromSeconds(1));
or:
Retry.Do(SomeFunctionThatCanFail, TimeSpan.FromSeconds(1));
or:
int result = Retry.Do(SomeFunctionWhichReturnsInt, TimeSpan.FromSeconds(1), 4);
Or you could even make an async overload.
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How to switch activity without animation in Android?
...ks just great especially for transparent/dialog themed activities excluded from recents with a different task affinity. Without this the animation kept showing creating very odd results for a dialog being opened!
– 3c71
Oct 5 '13 at 8:54
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How do I get a file extension in PHP?
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People from other scripting languages always think theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet path...
How many bits or bytes are there in a character? [closed]
... of Windows internally run with 2-byte characters (UCS-2 up to NT4, UTF-16 from Windows 2000 onwards, stored as wchar_t), not only Asian ones, and so should do all the newer applications. (On Linux, instead, it's a completely different story since usually UTF-8 is used throughout the whole system)
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How do you access the matched groups in a JavaScript regular expression?
...e easily transformed into an Array by using the spread syntax or the Array.from method:
function getFirstGroup(regexp, str) {
const array = [...str.matchAll(regexp)];
return array.map(m => m[1]);
}
// or:
function getFirstGroup(regexp, str) {
return Array.from(str.matchAll(regexp), m =>...
How do I use Ruby for shell scripting?
...ch/of/strings'
__FILE__ #=> the name of the current file
Also useful from the stdlib is FileUtils
require 'fileutils' #I know, no underscore is not ruby-like
include FileUtils
# Gives you access (without prepending by 'FileUtils.') to
cd(dir, options)
cd(dir, options) {|dir| .... }
pwd()
mkdi...