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How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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What is polymorphism, what is it for, and how is it used?
What is polymorphism, what is it for, and how is it used?
28 Answers
28
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Algorithm to generate a crossword
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I came up with a solution which probably isn't the most efficient, but it works well enough. Basically:
Sort all the words by length, descending.
Take the first word and place it on the board.
Take the next word.
Search through all...
When do we have to use copy constructors?
I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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I need to securely store a username and password in Python, what are my options?
I'm writing a small Python script which will periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it w...
WebView and HTML5
I'm piecing together a cheapo app that amongst other things "frames" some of our websites... Pretty simple with the WebViewClient . until I hit the video.
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What part of Hindley-Milner do you not understand?
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The horizontal bar means that "[above] implies [below]".
If there are multiple expressions in [above], then consider them anded together; all of the [above] must be true in order to guarantee the [below].
: means has type
∈ means is in. (Likewise ∉ means "is not...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
I've been using Dependency Injection (DI) for a while, injecting either in a constructor, property, or method. I've never felt a need to use an Inversion of Control (IoC) container. However, the more I read, the more pressure I feel from the community to use an IoC container.
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Please explain the exec() function and its family
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Simplistically, in UNIX, you have the concept of processes and programs. A process is an environment in which a program executes.
The simple idea behind the UNIX "execution model" is that there are two operations you can do.
The...
Git for beginners: The definitive practical guide
Ok, after seeing this post by PJ Hyett , I have decided to skip to the end and go with Git .
37 Answers
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