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JavaScript OR (||) variable assignment explanation
...mind the 'gotcha' which is that the last one will always get assigned even if they're all undefined, null or false. Setting something you know isn't false, null, or undefined at the end of the chain is a good way to signal nothing was found.
– Erik Reppen
Aug ...
How do you select a particular option in a SELECT element in jQuery?
If you know the Index, Value or Text. also if you don't have an ID for a direct reference.
21 Answers
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The purpose of Model View Projection Matrix
... view from world space to camera space, projection from camera to screen.
If you compose all three, you can use the one result to map all the way from object space to screen space, making you able to work out what you need to pass on to the next stage of a programmable pipeline from the incoming ve...
What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
...ViewModels) we use when our application actually runs, but instructing it differently when running the unit tests for the application. In the latter case the application will not even have a UI (it's not running; just the tests are) so the container will resolve mocks in place of the "normal" types ...
How to append contents of multiple files into one file
...irst character in file 1.txt? You can find out by using od -c, and seeing if the first character is a \n.
– radical7
Aug 2 '13 at 0:04
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How to get device make and model on iOS?
I was wondering if it's possible to determine what kind of iPhone (for example) the currentdevice is? I know it's possible to get the model through
NSString *deviceType = [[UIDevice currentDevice] model];
which will just return whether I have an "iPhone" or an "iPod", BUT I was wondering if...
Jackson overcoming underscores in favor of camel-case
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@RyanShillington - Correct me if I'm wrong, but this is your only option if the JSON string you are parsing from does not use a consistent format, i.e., uses both camelCase and underscore?
– DavidR
Nov 16 '15 at 23:4...
BigDecimal equals() versus compareTo()
... Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method).
In other words: equals() checks if the BigDecimal objects are exactly the same in every aspect. compareTo() "only" compares ...
How do you redirect to a page using the POST verb?
...our answer is suggesting.
I would love to know what is "wrong" with this, if there is anything. Obviously, if you want to really have sent to the browser a redirect, this isn't going to work, but then you should ask why you would be trying to convert that regardless, since it seems odd to me.
Hope...
Center/Set Zoom of Map to cover all visible Markers?
...the newbies out there, with the same question as Pratheep... You know this if you're experienced with the Maps API, but you can always pass in a LatLngLiteral instead of having a Marker instance. e.g., bounds.extend({lat: 123, lng: 456}).
– Kyle Baker
Apr 9 '18...