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Practical uses for AtomicInteger
I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though?
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How to count the number of occurrences of an element in a List
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Always prefer Api from JRE, that add another dependency to the project. And don't Reinventing the wheel !!
– Fernando.
Jun 4 '18 at 8:07
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How to grep and replace
I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string.
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Default implementation for Object.GetHashCode()
...ternalGetHashCode(this);
}
}
}
InternalGetHashCode is mapped to an ObjectNative::GetHashCode function in the CLR, which looks like this:
FCIMPL1(INT32, ObjectNative::GetHashCode, Object* obj) {
CONTRACTL
{
THROWS;
DISABLED(GC_NOTRIGGER);
INJEC...
How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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When to use virtual destructors?
...st OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answers
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In git, is there a simple way of introducing an unrelated branch to a repository?
While helping a friend with a git problem today, I had to introduce a
branch that needed to be totally separate from the master branch.
The contents of this branch really had a different origin from what
had been developed on the master branch, but they were going to be
merged into the master ...
Sending images using Http Post
I want to send an image from the android client to the Django server using Http Post. The image is chosen from the gallery. At present, I am using list value name Pairs to send the necessary data to the server and receiving responses from Django in JSON. Can the same approach be used for images (wit...
How to set JAVA_HOME in Linux for all users
I am new to Linux system and there seem to be too many Java folders.
20 Answers
20
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Java Enum definition
I thought I understood Java generics pretty well, but then I came across the following in java.lang.Enum:
7 Answers
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