大约有 45,000 项符合查询结果(耗时:0.0484秒) [XML]
Why would you use an ivar?
...lation
If the ivar is private, the other parts of the program can't get at it as easily. With a declared property, the clever people can access and mutate quite easily via the accessors.
Performance
Yes, this can make a difference in some cases. Some programs have constraints where they can not use ...
Why are arrays of references illegal?
...
Answering to your question about standard I can cite the C++ Standard §8.3.2/4:
There shall be no references to references, no arrays of references, and no pointers to references.
share
...
How Scalable is SQLite? [closed]
I recently read this Question about SQLite vs MySQL and the answer pointed out that SQLite doesn't scale well and the official website sort-of confirms this , however.
...
log4j vs logback [closed]
...sing log4j behind a selfmade wrapper. We plan to use much more features of it now.
6 Answers
...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...articular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls.
4...
Biggest GWT Pitfalls? [closed]
...ct that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
...
What are good grep tools for Windows? [closed]
...ndations on grep tools for Windows? Ideally ones that could leverage 64-bit OS.
28 Answers
...
How do I Sort a Multidimensional Array in PHP [duplicate]
...hing like this:
foreach ($mdarray as $key => $row) {
// replace 0 with the field's index/key
$dates[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort by. No need for the loop:
array_multisort(array_column($mdarray, ...
What is the best way to force yourself to master vi? [closed]
...learing up a lot of the misconceptions about vi, as well as explaining why it's a good idea (and why it's been very popular for the last 30 years+). The same guy also has a great set of graphical cheat sheets that teach the basics a few bits at a time.
...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...
Here is how Matz(Yukihiro Matsumoto) explains it in an old thread:
Hi,
In message "[ruby-talk:02706] X++?"
on 00/05/10, Aleksi Niemelä <aleksi.niemela@cinnober.com> writes:
|I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3
|and t...