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Why do browsers match CSS selectors from right to left?
CSS Selectors are matched by browser engines from right to left. So they first find the children and then check their parents to see if they match the rest of the parts of the rule.
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How do I iterate over an NSArray?
... (obtained via a single method call) in a buffer and iterates through them by advancing through the buffer using pointer arithmetic. This is much faster than calling -objectAtIndex: each time through the loop.
It's also worth noting that while you technically can use a for-in loop to step through a...
How does Junit @Rule work?
...execution of the method. This is an example of an out-of-box rule provided by Junit.
Similar behaviour can also be achieved by creating our own rules. Junit provides the TestRule interface, which can be implemented to create our own Junit Rule.
Here is a useful link for reference:
http://www.co...
“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
...PSHOT project needed
Check-out Strategy options:
Emulate clean checkout by first deleting unversioned files/ignored files, as well as files/directories ignored by svn:ignore, then execute svn update.
Always check out fresh copy
Use svn update as much possible, with svn revert before update
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Javascript - remove an array item by value [duplicate]
My situation:
10 Answers
10
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Odd behavior when Java converts int to byte?
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In Java, an int is 32 bits. A byte is 8 bits .
Most primitive types in Java are signed, and byte, short, int, and long are encoded in two's complement. (The char type is unsigned, and the concept of a sign is not applicable to boolean.)
In this number ...
Git error: “Host Key Verification Failed” when connecting to remote repository
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You are connecting via the SSH protocol, as indicated by the ssh:// prefix on your clone URL. Using SSH, every host has a key. Clients remember the host key associated with a particular address and refuse to connect if a host key appears to change. This prevents man in the middl...
Visual Studio 2013 doesn't discover unit tests
I have a simple solution in visual studio 2013 that is composed by one web project, one library project and one unit test project. When I open the solution and try to run the unit tests they are not discover by visual studio. To run the tests I try to go to the menu and choose Test -> Run -> Run all...
What are the differences between Abstract Factory and Factory design patterns?
... with different purposes. But the Abstract Factory is an class/object used by a client and is ONLY responsible for creating some products in a family?
– Hieu Nguyen
Dec 13 '14 at 15:38
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Can a local variable's memory be accessed outside its scope?
... C++ is not going to stop you. Safer languages than C++ solve this problem by restricting your power -- by having much stricter control over keys, for example.
UPDATE
Holy goodness, this answer is getting a lot of attention. (I'm not sure why -- I considered it to be just a "fun" little analogy, b...