大约有 36,010 项符合查询结果（耗时：0.0543秒） [XML]
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...put another way: what's to stop other languages from being able to compile down to binary that runs every bit as fast as C?
...
Why is there no Constant feature in Java?
... work completely different from C++ const methods.
– dom0
Nov 15 '14 at 10:52
7
@reinierpost The ...
How to get all selected values from ?
...
The usual way:
var values = $('#select-meal-type').val();
From the docs:
In the case of <select multiple="multiple"> elements, the .val() method returns an array containing each selected option;
share
...
How to update a plot in matplotlib?
...
You essentially have two options:
Do exactly what you're currently doing, but call graph1.clear() and graph2.clear() before replotting the data. This is the slowest, but most simplest and most robust option.
Instead of replotting, you can just update the dat...
What's the best way to detect a 'touch screen' device using JavaScript?
...zr only covers a basic use case.
Modernizr is a great, lightweight way to do all kinds of feature detection on any site.
It simply adds classes to the html element for each feature.
You can then target those features easily in CSS and JS. For example:
html.touch div {
width: 480px;
}
html.n...
What is the difference between RegExp’s exec() function and String’s match() function?
...s now the next match, in array form.
}
// No more matches.
String.match does this for you and discards the captured groups.
share
|
improve this answer
|
follow
...
What is the difference between compare() and compareTo()?
...at is the difference between Java's compare() and compareTo() methods? Do those methods give same answer?
16 Answers
...
Java Multiple Inheritance
...ggest to bypass the "multi-inheritance" problem with interfaces and that I don't recommend to use interfaces that represent already a concrete type (such as Bird) but more a behavior (others refer to duck-typing, which is good, too, but I mean just: the biological class of birds, Avialae). I also do...
How to convert a string to number in TypeScript?
... Not as expressive as Philip's higher-rated answer here that does this the TypeScript way.
– Patrick
Sep 23 '18 at 20:27
12
...
Keyboard Interrupts with python's multiprocessing Pool
...hreading.Condition(threading.Lock())
cond.acquire()
cond.wait(None)
print "done"
The KeyboardInterrupt exception won't be delivered until wait() returns, and it never returns, so the interrupt never happens. KeyboardInterrupt should almost certainly interrupt a condition wait.
Note that this doe...