大约有 48,000 项符合查询结果（耗时：0.0513秒） [XML]
In the shell, what does “ 2>&1 ” mean?
...file
Mon Jan 7 13:18:21 CET 2013
The file is overwritten each time, well now:
$ set -o noclobber
$ date > $testfile ; cat $testfile
bash: /tmp/testNoClobberDate-WW1xi9: cannot overwrite existing file
Mon Jan 7 13:18:21 CET 2013
$ date > $testfile ; cat $testfile
bash: /tmp/testNoClobberDa...
is there a css hack for safari only NOT chrome?
im trying to find a css hack for just safari NOT chrome, i know these are both webkit browsers but im having problems with div alignments in chrome and safari, each displays differently.
...
Python speed testing - Time Difference - milliseconds
...roseconds
>>> import datetime
>>> a = datetime.datetime.now()
>>> b = datetime.datetime.now()
>>> c = b - a
>>> c
datetime.timedelta(0, 4, 316543)
>>> c.days
0
>>> c.seconds
4
>>> c.microseconds
316543
Be aware that c.micros...
How to use Namespaces in Swift?
...
The link to the Apple dev forums is now broken, and Apple has not imported that thread into the new forums.developer.apple.com forums site, unfortunately.
– Dai
Feb 15 '17 at 2:07
...
SQL query return data from multiple tables
I would like to know the following:
6 Answers
6
...
Should I test private methods or only public ones? [closed]
...c there (Method Object). Then I can easily test the previously-private-but-now-public method that now lives on its own class.
share
|
improve this answer
|
follow
...
Node.js + Nginx - What now?
I've set up Node.js and Nginx on my server. Now I want to use it, but, before I start there are 2 questions:
12 Answers
...
Why does setTimeout() “break” for large millisecond delay values?
...
You can use:
function runAtDate(date, func) {
var now = (new Date()).getTime();
var then = date.getTime();
var diff = Math.max((then - now), 0);
if (diff > 0x7FFFFFFF) //setTimeout limit is MAX_INT32=(2^31-1)
setTimeout(function() {runAtDate(date, func...
What is a Y-combinator? [closed]
... concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
...
Using MySQL with Entity Framework [closed]
...ing relevant about Entity Framework/MySQL on Google so I'm hoping someone knows about it.
10 Answers
...