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Remove unused references (!= “using”)
How can I find and delete unused references in my projects?
11 Answers
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onActivityResult is not being called in Fragment
...ityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first shot at handling the result. This makes sense when you consider the modularity of frag...
Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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Git: Recover deleted (remote) branch
...ull --no-reflogs | grep commit
to find the HEAD commit of deleted branch and get them back.
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How to style the parent element when hovering a child element?
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Well, this question is asked many times before, and the short typical answer is: It cannot be done by pure CSS. It's in the name: Cascading Style Sheets only supports styling in cascading direction, not up.
But in most circumstances where this effect is wished, like in th...
Length of an integer in Python
...f digits in the integer, you can always convert it to string like str(133) and find its length like len(str(123)).
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What are .dex files in Android?
...remarkable features of the Dalvik Virtual Machine (the workhorse under the Android system) is that it does not use Java bytecode. Instead, a homegrown format called DEX was introduced and not even the bytecode instructions are the same as Java bytecode instructions.
Compiled Android application co...
CSS Cell Margin
In my HTML document, I have a table with two columns and multiple rows. How can I increase the space in between the first and second column with css? I've tried applying "margin-right: 10px;" to each of the cells on the left hand side, but to no effect.
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How to elegantly check if a number is within a range?
How can I do this elegantly with C# and .NET 3.5/4?
27 Answers
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Can constructors throw exceptions in Java?
...structor ought to be careful to avoid acquiring unmanaged resources (file handles etc) and then throwing an exception without releasing them. For example, if the constructor tries to open a FileInputStream and a FileOutputStream, and the first succeeds but the second fails, you should try to close t...