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How to detect when cancel is clicked on file input?
...capture="camera" />
<input type="file" accept="video/*" capture="camcorder" />
This works out actually a lot better than I expected. It runs 10 trials by requesting a timer to be invoked in 25 milliseconds. It then measures how long it actually took to invoke, and if the average of 10 tri...
How do I enable EF migrations for multiple contexts to separate databases?
... this helped me! complete instructions with all the options and order. saved me hours
– elcool
Sep 8 '15 at 6:21
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show 5 more co...
HTML5 Canvas vs. SVG vs. div
...lementNS("http://www.w3.org/2000/svg", "svg");
svg.setAttribute('style', 'border: 1px solid black');
svg.setAttribute('width', '6000');
svg.setAttribute('height', '6000');
svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink",
"http://www.w3.org/1999/xlink");
document.body.appendCh...
How can I implement prepend and append with regular JavaScript?
...
In order to simplify your life you can extend the HTMLElement object. It might not work for older browsers, but definitely makes your life easier:
HTMLElement = typeof(HTMLElement) != 'undefined' ? HTMLElement : Element;
HTMLE...
Label Alignment in iOS 6 - UITextAlignment deprecated
...nstants file -- which must itself include #import <UIKit/UIKit.h> in order to ever know about the NSText... constants)…
#ifdef NSTextAlignmentCenter // iOS6 and later
# define kLabelAlignmentCenter NSTextAlignmentCenter
# define kLabelAlignmentLeft NSTextAlignmentLeft
# define...
Mongodb Explain for Aggregation framework
...
Starting with MongoDB version 3.0, simply changing the order from
collection.aggregate(...).explain()
to
collection.explain().aggregate(...)
will give you the desired results (documentation here).
For older versions >= 2.6, you will need to use the explain option for ag...
Which is more efficient, a for-each loop, or an iterator?
....
the implementation of the iterator has to do at least 2 fields lookup in order to make hasNext() call figure the value: #1 get current count and #2 get total count
inside the body loop, there is another invokeInterface virtual call iter.next(so: go through all the classes and do method table looku...
How do I make my string comparison case insensitive?
...
In the default Java API you have:
String.CASE_INSENSITIVE_ORDER
So you do not need to rewrite a comparator if you were to use strings with Sorted data structures.
String s = "some text here";
s.equalsIgnoreCase("Some text here");
Is what you want for pure equality checks in you...
How to delete a file via PHP?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
... ....
}
2) Passing methods to async-task
In order to avoid coding the async-Task infrastructure (thread, messagenhandler, ...) multiple times you might consider to pass the methods which should be executed in your async-task as a parameter. Following example outlines t...