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What is meant by Resource Acquisition is Initialization (RAII)?
...xception thrown).
It is a widely used good practice in C++, because apart from being a safe way to deal with resources, it also makes your code much cleaner as you don't need to mix error handling code with the main functionality.
* Update: "local" may mean a local variable, or a nonstatic member ...
Testing whether a value is odd or even
...ry that you'll have to buy. Note that the question did include conversions from other types to number, and clearly the point of what I'm suggesting here is to have a simple one-line function that handles numbers and strings. Of course, as per my own comment this doesn't actually handle all possible ...
What is MOJO in Maven?
...d (mojo). I approximately understand what it means, but I would not refuse from a good explanation. I tried to google, but found only non-maven explanations.
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when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
...s seem to much to me and cause trouble. You have to create the AlertDialog from the AlertDialog.Builder!
– philipp
Mar 7 '12 at 8:33
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git ahead/behind info between master and branch?
...- provided the user does git fetch before; useful to prevent pull requests from outdated branches.
– jakub.g
Mar 2 '16 at 19:53
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Javascript object Vs JSON
...JavaScript.
Here's a story. Let's imagine you've purchased some furniture from a store, and you want it delivered. However the only one left in stock is the display model, but you agree to buy it.
In the shop, the chest-of-drawers you've purchased is a living object:
var chestOfDrawers = {
co...
Hashing a dictionary?
For caching purposes I need to generate a cache key from GET arguments which are present in a dict.
11 Answers
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Why can't we have static method in a (non-static) inner class?
.... I want to write a utility inner class. Some of its methods would benefit from access to the outer class, so I can't make it static, but some of its methods are just utility functions. Why can't I call A.B.sync(X) or even (from within A) B.sync(x)?
– Edward Falk
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Create a List of primitive int?
...The performance of this list, when compared with the ArrayList of Integers from Java Collections is much better as the autoboxing/unboxing to the corresponding Integer Wrapper Class is not needed.
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
...a carriage return (CR) and a line feed (LF) thus (CRLF). when you get code from git that was uploaded from a unix system they will only have an LF.
If you are a single developer working on a windows machine, and you don't care that git automatically replaces LFs to CRLFs, you can turn this warning ...