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Determine on iPhone if user has enabled push notifications
I'm looking for a way to determine if the user has, via settings, enabled or disabled their push notifications for my application.
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
I am getting this error when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the c...
How to detect orientation change in layout in Android?
I just implemented a orientation change feature - e.g. when the layout changes from portrait to landscape (or vice versa). How can I detect when the orientation change event finished.
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TypeScript Objects as Dictionary types as in C#
I have some JavaScript code that uses objects as dictionaries; for example a 'person' object will hold a some personal details keyed off the email address.
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How to generate random SHA1 hash to use as ID in node.js?
I am using this line to generate a sha1 id for node.js:
4 Answers
4
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Java 8 Stream and operation on arrays
...il.Arrays to convert an array into a Java 8 stream which can then be used for summing etc.
int sum = Arrays.stream(myIntArray)
.sum();
Multiplying two arrays is a little more difficult because I can't think of a way to get the value AND the index at the same time as a Stream ope...
How to get a complete list of object's methods and attributes?
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For the complete list of attributes, the short answer is: no. The problem is that the attributes are actually defined as the arguments accepted by the getattr built-in function. As the user can reimplement __getattr__, suddenl...
Can I find out the return value before returning while debugging in Intellij?
...d setup a breakpoint on Object method(){ . This will allow you to watch for the entrance and exit of the method. I believe you have to use this in conjunction with "Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Bewa...
Objective-C ARC: strong vs retain and weak vs assign
There are two new memory management attributes for properties introduced by ARC, strong and weak .
8 Answers
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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...hey serve different purposes:
.then() is to be used whenever you want to work with the result of the process, i.e. as the documentation says, when the deferred object is resolved or rejected. It is the same as using .done() or .fail().
You'd use .pipe() to (pre)filter the result somehow. The retur...