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Detect Click into Iframe using JavaScript
...a click event.
By catching the mousedown you'd prevent the original click from getting to the iframe. If you could determine when the mouse button was about to be pressed you could try to get the invisible div out of the way so that the click would go through... but there is also no event that fire...
Is the != check thread safe?
...ticular machine and a particular Java implementation, does not preclude it from happening in other circumstances.
Does this mean that a != a could return true.
Yes, in theory, under certain circumstances.
Alternatively, a != a could return false even though a was changing simultaneously.
C...
How to add a touch event to a UIView?
...nizer.
Adding a Gesture in the Interface Builder
Drag a gesture recognizer from the object library onto your view.
Control drag from the gesture in the Document Outline to your View Controller code in order to make an Outlet and an Action.
This should be set by default, but also make sure that Use...
Declaration/definition of variables locations in ObjectiveC?
...u were able to access these variables only in your implementation, but not from other classes. To do that, you had to declare accessor methods, that look something like this:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
- (int)myVar;
- (void)setMyVar:(int)newVar;
@end
// MyClas...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...u can use start /b second.bat to launch a second batch file asynchronously from your first that shares your first one's window. If both batch files write to the console simultaneously, the output will be overlapped and probably indecipherable. Also, you'll want to put an exit command at the end of...
Simple Getter/Setter comments
...dding noise to your code for the sake of silencing overly pedantic warning from our tools feels wrong to me. If it doesn't add value to a programmer, then the right solution would be to turn down/fix the verbosity of the tools and/or ease up on how much we care about jumping through hoops so that th...
How to turn NaN from parseInt into 0 for an empty string?
...
Yes, very handy for reading from localStorage: Number(localStorage.getItem('appBanner.count')) + 1
– Philip Murphy
Jan 24 '19 at 11:59
...
GCD to perform task in main thread
I have a callback which might come from any thread. When I get this callback, then I would like to perform a certain task on the main thread.
...
Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
Why do we need Abstract factory design pattern?
...ery one of the linked answers; so this list is NOT a representative sample from the SO community.
– jaco0646
Jul 16 '16 at 14:24
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