大约有 40,000 项符合查询结果（耗时：0.0643秒） [XML]
How to get the directory of the currently running file?
...
Gustavo NiemeyerGustavo Niemeyer
17.3k33 gold badges5151 silver badges4545 bronze badges
...
PHP: How to check if image file exists?
...
You need the filename in quotation marks at least (as string):
if (file_exists('http://www.mydomain.com/images/'.$filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP con...
Detect if called through require or directly by command line
...19 at 15:50
Christopher McCormack
7344 bronze badges
answered Jun 18 '11 at 19:20
nicolaskruchtennicolaskrucht...
Callback of .animate() gets called twice jquery
Since I added some scrollTop -animation, some parts of my callback get called twice:
2 Answers
...
How do you crash a JVM?
I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory.
...
How to turn off INFO logging in Spark?
I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully.
...
How to Deep clone in javascript
...
It really depends what you would like to clone. Is this a truly JSON object or just any object in JavaScript? If you would like to do any clone, it might get you into some trouble. Which trouble? I will explain it below, but first, a code example which clones ...
How do I access named capturing groups in a .NET Regex?
...oup name, e.g.
foreach (Match m in mc){
MessageBox.Show(m.Groups["link"].Value);
}
share
|
improve this answer
|
follow
|
...
How to use the “required” attribute with a “radio” input field
...t way on radio buttons. Does every radio button field need the attribute like below or is it sufficient if only one field gets it?
...
How to write character & in android strings.xml
...
Bob FincheimerBob Fincheimer
16.6k11 gold badge2424 silver badges5252 bronze badges
...