大约有 40,000 项符合查询结果（耗时：0.0477秒） [XML]
How to send a header using a HTTP request through a curl call?
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In PHP:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue'));
or you can set multiple:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue', 'HeaderName2:HeaderValue2'));
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Efficiently test if a port is open on Linux?
...t recent distros ship with: Fedora, Centos, etc. (nmap-ncat-6.01-9.fc18.x86_64)
– Zack
Dec 20 '15 at 14:13
9
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What is the equivalent of Java's final in C#?
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http://en.csharp-online.net/CSharp_FAQ:_What_are_the_differences_between_CSharp_and_Java_constant_declarations
C# constants are declared using the const keyword for compile time constants or the readonly keyword for runtime constants. The semantics of consta...
How do I show/hide a UIBarButtonItem?
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Or Apple could've just added .hidden property. -_-
– GeneCode
Feb 22 '16 at 11:29
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Detect permission of camera in iOS
...eraAfterAccessGrantedByUser()
}
else
{
print("No Access")
dispatch_async(dispatch_get_main_queue()) { [unowned self] in
AVCaptureDevice.requestAccessForMediaType(AVMediaTypeVideo, completionHandler: { (granted :Bool) -> Void in
if granted == true
{
...
How do you change the size of figures drawn with matplotlib?
...ure created you can quickly do this:
fig = matplotlib.pyplot.gcf()
fig.set_size_inches(18.5, 10.5)
fig.savefig('test2png.png', dpi=100)
To propagate the size change to an existing gui window add forward=True
fig.set_size_inches(18.5, 10.5, forward=True)
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scheduleAtFixedRate vs scheduleWithFixedDelay
...eduledThreadPool(1)
executor.scheduleWithFixedDelay({
if (time >= 12_000L) {
executor.shutdown()
} else {
Thread.sleep(2000L)
val now = System.currentTimeMillis()
time += now - start
System.out.println("Total $time delay ${now - start}\n")
s...
How to check size of a file using Bash?
...@fstab, you may ommit awk by using read (bash internal command): read SIZE _ <<<$(du -sb "$FILENAME")
– Jdamian
Nov 13 '14 at 9:01
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Django class-based view: How do I pass additional parameters to the as_view method?
...ks something like this:
url(r'^(?P<slug>[a-zA-Z0-9-]+)/$', MyView.as_view(), name = 'my_named_view')
then the slug will be available inside your view functions (such as 'get_queryset') like this:
self.kwargs['slug']
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Can you use if/else conditions in CSS?
...at looks something like this:
p {
background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px;
}
In this case, you will however have a performance impact, since caching such a stylesheet will be difficult.
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