大约有 30,000 项符合查询结果（耗时：0.0330秒） [XML]
How to sort a file, based on its numerical values for a field?
...! This is wired, because I looked over its man page back and forth several times and I didnt see that option. Ah, I was at a simplified man page. Damn!
– lukmac
Jan 31 '11 at 21:31
...
RegEx to extract all matches from string using RegExp.exec
...ari, and Opera. Seems like it was drafted in December 2018 so give it some time to reach all browsers, but I trust it will get there.
The built-in matchAll function is nice because it returns an iterable. It also returns capturing groups for every match! So you can do things like
// get the letter...
How do I measure time elapsed in Java? [duplicate]
...e ten answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purp...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...
Note that in order for the goroutine to get processor time to handle the signal, the main goroutine must call a blocking operation or call runtime.Gosched in an appropriate place (in your program's main loop, if it has one)
– misterbee
Aug ...
Functional, Declarative, and Imperative Programming [closed]
...
At the time of writing this, the top voted answers on this page are imprecise and muddled on the declarative vs. imperative definition, including the answer that quotes Wikipedia. Some answers are conflating the terms in different w...
Why is processing a sorted array faster than processing an unsorted array?
...me strange reason, sorting the data miraculously makes the code almost six times faster:
26 Answers
...
Multiline strings in VB.NET
...e you want to send some variables, which is what you need to do 99% of the time.
... <%= variable %> ...
Here's how you do it:
<SQL>
SELECT * FROM MyTable WHERE FirstName='<%= EnteredName %>'
</SQL>.Value
...
Test whether a list contains a specific value in Clojure
...e correct way to do what you're trying to do is as follows:
; most of the time this works
(some #{101} '(100 101 102))
When searching for one of a bunch of items, you can use a larger set; when searching for false / nil, you can use false? / nil? -- because (#{x} x) returns x, thus (#{nil} nil) i...
What is a raw type and why shouldn't we use it?
...erics were introduced. That is, the following is entirely legal at compile-time.
List names = new ArrayList(); // warning: raw type!
names.add("John");
names.add("Mary");
names.add(Boolean.FALSE); // not a compilation error!
The above code runs just fine, but suppose you also have the following:
fo...
What is the “Execute Around” idiom?
...nversion of Control (Dependency Injection) that you can vary ad hoc, every time you call the method.
But it could also be interpreted as an example of Control Coupling (telling a method what to do by its argument, literally in this case).
...