大约有 44,000 项符合查询结果（耗时：0.0686秒） [XML]
htaccess Access-Control-Allow-Origin
...
Try this in the .htaccess of the external root folder :
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin "*"
</IfModule>
And if it only concerns .js scripts you should wrap the above code inside this:
<FilesMatch "\.(js)$">
...
</FilesMatch&g...
Getting activity from context in android
...Application Context to a DialogView, watch it crash, and you will see the difference.
– Sky Kelsey
Aug 1 '12 at 23:10
6
...
How can I split a string into segments of n characters?
...d".match(/.{1,3}/g)); // ["abc", "d"]
A couple more subtleties:
If your string may contain newlines (which you want to count as a character rather than splitting the string), then the . won't capture those. Use /[\s\S]{1,3}/ instead. (Thanks @Mike).
If your string is empty, then match() w...
android on Text Change Listener
...nly clear when the text in the field is not empty (i.e when the length is different than 0).
field1.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable s) {}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, i...
'dragleave' of parent element fires when dragging over children elements
...
If you don't need to bind events to the child elements, you can always use the pointer-events property.
.child-elements {
pointer-events: none;
}
...
Java FileReader encoding issue
...
Yes, you need to specify the encoding of the file you want to read.
Yes, this means that you have to know the encoding of the file you want to read.
No, there is no general way to guess the encoding of any given "plain text" file.
The one-argu...
How do I fix "The expression of type List needs unchecked conversion…'?
...ast up front, you're "complying with the warranty terms" of Java generics: if a ClassCastException is raised, it will be associated with a cast in the source code, not an invisible cast inserted by the compiler.
share
...
Making an array of integers in iOS
If you want to make an array of integers, can you use NSInteger? Do you have to use NSNumber? If so, then why?
7 Answers
...
Elevating process privilege programmatically?
...follows:
startInfo.Verb = "runas";
This will cause Windows to behave as if the process has been started from Explorer with the "Run as Administrator" menu command.
This does mean the UAC prompt will come up and will need to be acknowledged by the user: if this is undesirable (for example because...
Find MongoDB records where array field is not empty
...
If you also have documents that don't have the key, you can use:
ME.find({ pictures: { $exists: true, $not: {$size: 0} } })
MongoDB don't use indexes if $size is involved, so here is a better solution:
ME.find({ pictures:...