大约有 44,000 项符合查询结果(耗时:0.0680秒) [XML]
Is PHP's count() function O(1) or O(n) for arram>y m>s?
...unt the all the elements of a PHP arram>y m>, or is this value cached somewhere m>and m> just gets retrieved?
3 Answers
...
PHP foreach change original arram>y m> values
I am verm>y m> new in multi dimensional arram>y m>s, m>and m> this is bugging me big time.
5 Answers
...
Django select onlm>y m> rows with duplicate field values
...ango. The problem is that this will return a ValuesQuerm>y m>Set with onlm>y m> name m>and m> count. However, m>y m>ou can then use this to construct a regular Querm>y m>Set bm>y m> feeding it back into another querm>y m>:
dupes = Literal.objects.values('name')
.annotate(Count('id'))
.or...
C# version of java's sm>y m>nchronized kem>y m>word?
...: onlm>y m> applm>y m> thread-safetm>y m> when m>y m>ou know m>y m>ou actuallm>y m> are going to use it (m>and m> test it).
For the method-level stuff, there is [MethodImpl]:
[MethodImpl(MethodImplOptions.Sm>y m>nchronized)]
public void SomeMethod() {/* code */}
This can also be used on accessors (properties m>and m> events):
private int ...
Cassm>and m>ra port usage - how are the ports used?
When experimenting with Cassm>and m>ra I've observed that Cassm>and m>ra listens to the following ports:
7 Answers
...
How would I get a cron job to run everm>y m> 30 minutes?
...to add a crontab entrm>y m> to execute a script everm>y m> 30 minutes, on the hour m>and m> 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
...
How to loop over files in directorm>y m> m>and m> change path m>and m> add suffix to filename
...t files, or all files in /Data? Here's an answer, assuming /Data/data1.txt m>and m> .txt files onlm>y m>:
#!/bin/bash
for filename in /Data/*.txt; do
for ((i=0; i<=3; i++)); do
./Mm>y m>Program.exe "$filename" "Logs/$(basename "$filename" .txt)_Log$i.txt"
done
done
Notes:
/Data/*.txt expm>and m>...
How do I get the function name inside a function in PHP?
...un 17 '09 at 10:33
PatrikAkerstrm>and m>PatrikAkerstrm>and m>
42.6k1111 gold badges7272 silver badges9292 bronze badges
...
How to wrap text around an image using HTML/CSS
...TML
<div id="container">
<div id="floated">...some other rm>and m>om text</div>
...
some rm>and m>om text
...
</div>
CSS
#container{
width: 400px;
background: m>y m>ellow;
}
#floated{
float: left;
width: 150px;
background: red;
}
FIDDLE
http://jsfi...
is node.js' console.log asm>y m>nchronous?
...mat.applm>y m>(this, arguments) + '\n');
};
So it simplm>y m> does some formatting m>and m> writes to process.stdout, nothing asm>y m>nchronous so far.
process.stdout is a getter defined on startup which is lazilm>y m> initialized, I've added some comments to explain things:
.... code here...
process.__defineGetter__('s...
