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Detecting an undefined object property
...ator to get at the special undefined value itself:
if(myVariable === void 0) {
alert("myVariable is the special value `undefined`");
}
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follo...
How do I perform the SQL Join equivalent in MongoDB?
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310
As of Mongo 3.2 the answers to this question are mostly no longer correct. The new $lookup opera...
Preserve HTML font-size when iPhone orientation changes from portrait to landscape
...bkit-text-size-adjust CSS property:
html {
-webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape while allowing user zoom */
}
The use of this property is described further in the Safari Web Content Guide.
...
Amazon S3 Change file download name
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answered Apr 10 '10 at 8:46
cloudberrymancloudberryman
4,10611 gold badge2424 silver badges1414 bronze badges
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Saving and Reading Bitmaps/Images from Internal memory in Android
... OutputStream
bitmapImage.compress(Bitmap.CompressFormat.PNG, 100, fos);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
...
Idiomatic way to wait for multiple callbacks in Node.js
...
setTimeout(function(){
callback(null, 1);
}, 200);
},
two: function(callback){
setTimeout(function(){
callback(null, 2);
}, 100);
},
},
function(err, results) {
// results is now equals to: {one: 1, two: 2}
});
As a plus this...
Wrap a delegate in an IEqualityComparer
...parer( Func<T, T, bool> comparer )
: this( comparer, t => 0 ) // NB Cannot assume anything about how e.g., t.GetHashCode() interacts with the comparer's behavior
{
}
public FuncEqualityComparer( Func<T, T, bool> comparer, Func<T, int> hash )
{
_c...
How to remove illegal characters from path and filenames?
...
503
Try something like this instead;
string illegal = "\"M\"\\a/ry/ h**ad:>> a\\/:*?\"| li*t...
Is it possible to create a File object from InputStream
...|
edited Feb 27 '19 at 18:04
Abdelghani Roussi
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a...
test if event handler is bound to an element in jQuery [duplicate]
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gotqn
33.1k3737 gold badges140140 silver badges216216 bronze badges
answered Aug 5 '09 at 22:23
redsquareredsquare
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