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Select rows which are not present in other table
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Disable Required validation attribute under certain circumstances
...as follows:
@Html.TexBoxFor(model => model.SomeValue,
new Dictionary<string, object> { { "data-val", false }})
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Starting python debugger automatically on error
...ror point and give you control there. As mentioned by eqzx, this flag is a new addition in python 3.2 so entering 'c' is required for earlier Python versions (see https://docs.python.org/3/library/pdb.html).
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Jackson enum Serializing and DeSerializer
...al;
private static Map<String, DeviceScheduleFormat> namesMap = new HashMap<String, DeviceScheduleFormat>(3);
static {
namesMap.put("weekday", Weekday);
namesMap.put("even-odd", EvenOdd);
namesMap.put("interval", Interval);
}
@JsonCreator
pu...
How to change an application icon programmatically in Android?
...e something on the shortcut-icon, I remove it first and recreate it with a new bitmap.
Here is the code. It has a button increment. When pressed, the shortcut is replaced with one that has a new counting number.
First you need these two permissions in your manifest:
<uses-permission android:na...
How can jQuery deferred be used?
jQuery 1.5 brings the new Deferred object and the attached methods .when , .Deferred and ._Deferred .
11 Answers
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
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How do I clear (or redraw) the WHOLE canvas for a new layout (= try at the game) ?
Just call Canvas.drawColor(Color.BLACK), or whatever color you want to clear your Canvas with.
And: how can I update just a part of the screen ?
There is no such method that just updat...
Bootstrap 3 jquery event for active tab change
...d']").on('show.bs.tab', function(e) {
console.log('show - before the new tab has been shown');
});
demo
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Can you use an alias in the WHERE clause in mysql?
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What is a “feature flag”?
...unctionality of your application off, via configuration, without deploying new code.
Feature flags play a key part in CI scheme where features are constantly being deployed but not necessarily "released" into production.
More info here:
http://code.flickr.com/blog/2009/12/02/flipping-out/
-- E...