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Why does integer overflow on x86 with GCC cause an infinite loop?
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When the standard says it's undefined behavior, it means it. Anything can happen. "Anything" includes "usually integers wrap around, but on occasion weird stuff happens".
Yes, on x86 CPUs, integers usually wrap the way you expect. This...
How to hide action bar before activity is created, and then show it again?
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Setting android:windowActionBar="false" truly disables the ActionBar but then, as you say, getActionBar(); returns null.
This is solved by:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
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Scala 2.8 breakOut
...at]) : That
Note that it has two parameters. The first is your function and the second is an implicit. If you do not provide that implicit, Scala will choose the most specific one available.
About breakOut
So, what's the purpose of breakOut? Consider the example given for the question, You tak...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
How do I delete a directory and its entire contents (files and subdirectories) in PHP?
21 Answers
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
I'm a bit confused about how Java generics handle inheritance / polymorphism.
17 Answers
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Why Doesn't C# Allow Static Methods to Implement an Interface?
...property, which would still allow it to be accessed from a static context, and return that value in the implementation.
public class Animal: IListItem {
/* Can be tough to come up with a different, yet meaningful name!
* A different casing convention, like Java has, would help here.
*...
How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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makefile:4: *** missing separator. Stop
...relationship with tabs. All actions of every rule are identified by tabs. And, no, four spaces don't make a tab. Only a tab makes a tab.
To check, I use the command cat -e -t -v makefile_name.
It shows the presence of tabs with ^I and line endings with $. Both are vital to ensure that dependencie...
What to do Regular expression pattern doesn't match anywhere in string?
...uld be impossible with regex! But you are only matching what's in one tag, and that's perfectly regular.
Here's the problem, though. You can't do it with just one regex... you need to do one match to capture an <input> tag, then do further processing on that. Note that this will only work if ...
Recommended date format for REST GET API
...ed date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded).
If not having ugly URI is a concern (e.g. not including the url encoded version of :, -, in you URI) and (human) ...