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Which Boost features overlap with C++11?
...
Replaceable by C++11 language features or libraries
Foreach → range-based for
Functional/Forward → Perfect forwarding (with rvalue references, variadic templates and std::forward)
In Place Factory, Typed In Place Factory → Perfect forwarding (at least for the documented ...
HashSet versus Dictionary w.r.t searching time to find if an item exists
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HashSet vs List vs Dictionary performance test, taken from here.
Add 1000000 objects (without checking duplicates)
Contains check for half the objects of a collection of 10000
Remove half the objects of a collection of 10000
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The point of test %eax %eax [duplicate]
...
where can I find information like this?
– Thorsten Staerk
Aug 19 '14 at 15:14
11
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How do I change bash history completion to complete what's already on the line?
...like
# ~/.inputrc
"\e[A": history-search-backward
"\e[B": history-search-forward
or equivalently,
# ~/.bashrc
if [[ $- == *i* ]]
then
bind '"\e[A": history-search-backward'
bind '"\e[B": history-search-forward'
fi
(the if statement checks for interactive mode)
Normally, Up and Down ...
Why does javascript replace only first instance when using replace? [duplicate]
...ce all matches in one go.
If you want a real string-based replace — for example because the match-string is dynamic and might contain characters that have a special meaning in regexen — the JavaScript idiom for that is:
var id= 'c_'+date.split('/').join('');
...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
...ontinueWith() there.
static class TaskExtensions
{
public static void Forget(this Task task)
{
task.ContinueWith(
t => { WriteLog(t.Exception); },
TaskContinuationOptions.OnlyOnFaulted);
}
}
public async Task StartWorkAsync()
{
this.WorkAsync().Fo...
What is the size limit of a post request?
...ice browsers - in those cases it is more a function of heap space reserved for this purpose on the device then anything else.
share
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improve this answer
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follow
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FormData.append(“key”, “value”) is not working
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New in Chrome 50+ and Firefox 39+ (resp. 44+):
formdata.entries() (combine with Array.from() for debugability)
formdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the brow...
how to rotate a bitmap 90 degrees
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I think for the scaledBitmap you want (bitmapOrg, width, height, true)
– Jameo
Mar 1 '13 at 16:20
2
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Returning value from called function in a shell script
...atus, which is a number, not a string
Share a variable
This is also true for some other shells.
Here's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
...