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Explanation of the UML arrows
I have recently been studying UML and drawing simple diagrams with ordinary plain arrows between classes, but I know it's not enough. There are plenty of other arrows: generalization, realisation and etc. which have meaning to the diagram reader.
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How to remove leading and trailing white spaces from a given html string?
...ing HTML string. What would be sample code in JavaScript to remove leading and trailing white spaces from this string?
7 An...
The necessity of hiding the salt for a hash
...ifferent for each user but is readily available to us. The other product randomly generates a salt for each user and changes each time the user changes the password. The salt is then encrypted in the database.
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How do I shuffle an array in Swift?
How do I randomize or shuffle the elements within an array in Swift? For example, if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
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How to detect a loop in a linked list?
...ou can make use of Floyd's cycle-finding algorithm, also known as tortoise and hare algorithm.
The idea is to have two references to the list and move them at different speeds. Move one forward by 1 node and the other by 2 nodes.
If the linked list has a loop they
will definitely meet.
Else eith...
What to gitignore from the .idea folder?
I started using WebStorm for web development and am not sure what to add and what to exclude from our Git repository. Clearly some files inside the .idea folder are meant to be version controlled like the external library settings ( jsLibraryMappings.xml ) but others will probably change very ofte...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
...ave the UI frontend built using the new Metro style of apps for windows 8, and would like it to communicate with a .NET application running on the desktop on the same local machine (e.g. a windows service app).
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Git - How to close commit editor?
I'm new to git and learning from a PDF.
I just executed a command $ git commit and it opens a new editor. But I'm trying to close that new commit editor. How to do this? I'm using git on windows.
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How to use “/” (directory separator) in both Linux and Windows in Python?
...ws it will not work, is there a way by which I can use the code in Windows and Linux.
9 Answers
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What is an initialization block?
... are two types of initialization blocks:
instance initialization blocks, and
static initialization blocks.
This code should illustrate the use of them and in which order they are executed:
public class Test {
static int staticVariable;
int nonStaticVariable;
// Static init...