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What are Aggregates and PODs and how/why are they special?
...s, the rest are value-initialized. If it is impossible to value-initialize one of the members which were not explicitly initialized, we get a compile-time error. If there are more initializers than necessary, we get a compile-time error as well.
struct X
{
int i1;
int i2;
};
struct Y
{
char c...
How can I reload .emacs after changing it?
...
Very strange that the very convenient
M-x eval-buffer
is not mentioned here.
It immediately evaluates all code in the buffer, its the quickest method, if your .emacs is idempotent.
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How do you cast a List of supertypes to a List of subtypes?
...almost works; but it doesn't work because you can't cast a generic type of one parameter to another. However, you can cast through an intermediate wildcard type and it will be allowed (since you can cast to and from wildcard types, just with an unchecked warning):
List<TestB> variable = (List...
How to define optional methods in Swift protocol?
...rm to such protocol. It's always either concrete implementation or default one. This is how "interfaces" or "contracts" behave in other languages.
Disadvantages
For non-Void requirements, you need to have a reasonable default value, which is not always possible. However, when you encounter this ...
Where does Java's String constant pool live, the heap or the stack?
..., the exact location of the string pool is not specified and can vary from one JVM implementation to another.
It is interesting to note that until Java 7, the pool was in the permgen space of the heap on hotspot JVM but it has been moved to the main part of the heap since Java 7:
Area: HotSpot
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Eclipse - debugger doesn't stop at breakpoint
...es: 1) in a line where a static member is initialized 2) the first line of one of the test cases.
22 Answers
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
I'm looking for some guidelines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isol...
Custom fonts and XML layouts (Android)
...here is no way to specify that your widgets should use a custom font (e.g. one you've placed in assets/font/) in XML files and you can only use the system installed fonts.
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What is a good choice of database for a small .NET application? [closed]
...out liking a Microsoft product I suppose :-)
I use Sterling for Windows Phone programming as it is built to use Isolated Storage. I have only seen articles on RavenDb, but I can tell you that it is a JSON based document storage framework.
Not to confuse the situation (go with SQLite, SQL Server E...
How can I keep my fork in sync without adding a separate remote?
Let's assume there is a repository someone/foobar on GitHub, which I forked to me/foobar .
6 Answers
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