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C++0x has no semaphores? How to synchronize threads?
... unsigned long count_ = 0; // Initialized as locked.
public:
void notify() {
std::lock_guard<decltype(mutex_)> lock(mutex_);
++count_;
condition_.notify_one();
}
void wait() {
std::unique_lock<decltype(mutex_)> lock(mutex_);
while(!c...
How to make vim paste from (and copy to) system's clipboard?
...stem's clipboard (:help registers). Depending on your system, they may do different things. For instance, on systems that don't use X11 like OSX or Windows, the "* register is used to read and write to the system clipboard. On X11 systems both registers can be used. See :help x11-selection for more ...
How to create a loop in bash that is waiting for a webserver to respond?
...of the server). Leaving out --head wouldn't change anything, but you could if you want to exercise some logic on the response contents (like a status.html).
– Thomas Ferris Nicolaisen
Feb 5 '17 at 22:30
...
What is sr-only in Bootstrap 3?
...of the rendered page.
Screen readers will have trouble with your forms if you don't include a label for every input. For these inline forms, you can hide the labels using the .sr-only class.
Here is an example styling used:
.sr-only {
position: absolute;
width: 1px;
height: 1px;
paddi...
How to find controls in a repeater header or footer
... it works for me. Thank you so much man! I would give you more than a +1 if possible.
– Cruril
Oct 1 '13 at 16:31
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How to normalize a NumPy array to within a certain range?
...e floating-point point dtype before the in-place operations are performed.
If they are not already of floating-point dtype, you'll need to convert them using astype. For example,
image = image.astype('float64')
share
...
jQuery get value of selected radio button
The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id.
...
How to write an async method with out parameter?
...ect.
The only way to have supported out-by-reference parameters would be if
the async feature were done by a low-level CLR rewrite instead of a
compiler-rewrite. We examined that approach, and it had a lot going
for it, but it would ultimately have been so costly that it'd never
have happe...
When should I use jQuery's document.ready function?
...','a',function () {
})
// Need to be put inside $(document).ready if placed inside <head></head>
$('.container').on('click','a',function () {
});
EDIT
From comments,
$(document).ready does not wait for images or scripts. Thats the big difference between $(document)....
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
...that includes a textarea I have the following dilemma when I need to specify its dimensions:
12 Answers
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