大约有 18,500 项符合查询结果（耗时：0.0419秒） [XML]
Loading local JSON file
...
Kindly provide full example : I am getting error : has not been loaded yet for context: _. Use require([])
– shaijut
Dec 26 '18 at 9:22
...
How to get a thread and heap dump of a Java process on Windows that's not running in a console
... can use jmap to get a dump of any process running, assuming you know the pid.
Use Task Manager or Resource Monitor to get the pid. Then
jmap -dump:format=b,file=cheap.hprof <pid>
to get the heap for that process.
...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
... (from the official doc ) describes the well-known lifecycle of an Android activity:
5 Answers
...
Storing custom objects in an NSMutableArray in NSUserDefaults
...ng protocol. Adding methods like the following should do the trick:
- (void)encodeWithCoder:(NSCoder *)coder;
{
[coder encodeObject:label forKey:@"label"];
[coder encodeInteger:numberID forKey:@"numberID"];
}
- (id)initWithCoder:(NSCoder *)coder;
{
self = [super init];
if (self !=...
Two color borders
...ers for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
...
how to POST/Submit an Input Checkbox that is disabled?
... value will not appear into POST values. One of the strategy is to add an hidden field holding checkbox's value within the same form and read value back from that field
Simply change disabled to readonly
share
|
...
Always pass weak reference of self into block in ARC?
... This isn't a problem, for example:
[myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop){
[self doSomethingWithObject:obj];
}];
The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated a...
How can I save an image to the camera roll?
... nil, nil, nil);
Edit:
//ViewController.m
- (IBAction)onClickSavePhoto:(id)sender{
UIImageWriteToSavedPhotosAlbum(imageToBeSaved, nil, nil, nil);
}
share
|
improve this answer
|
...
Conveniently map between enum and int / String
...return map.get(num);
}
}
This solution is nice and doesn't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
share
|
...
Why is the shovel operator (
...
Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b...