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What does Maven do, in theory and in practice? When is it worth to use it? [closed]
...r practice. I've read about Maven, but I don't actually understand when it is meant to be used.
3 Answers
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What does the “assert” keyword do? [duplicate]
...f you launch your program with -enableassertions (or -ea for short) then this statement
assert cond;
is equivalent to
if (!cond)
throw new AssertionError();
If you launch your program without this option, the assert statement will have no effect.
For example, assert d >= 0 && d...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
... your view controller.
Edit: for IB design (for code instantiation see revision history)
I'm not very familiar at all with storyboard, but I do know that you can construct your interface in IB using a .xib file which is nearly identical to using the storyboard version; You should even be able to c...
Parsing boolean values with argparse
...but with the "correct" parse error from argparse:
def str2bool(v):
if isinstance(v, bool):
return v
if v.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif v.lower() in ('no', 'false', 'f', 'n', '0'):
return False
else:
raise argparse.Argument...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
Is there any reason, except performance, for using WebGL instead of 2D-Canvas for 2D games/apps?
9 Answers
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Detect Safari using jQuery
...
Using a mix of feature detection and Useragent string:
var is_opera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var is_Edge = navigator.userAgent.indexOf("Edge") > -1;
var is_chrome = !!window.chrome && !is_opera && !is_Edge;
var i...
What's the difference between a POST and a PUT HTTP REQUEST?
...ile or resource at that URI, PUT replaces that file or resource. If there is no file or resource there, PUT creates one. PUT is idempotent, but paradoxically PUT responses are not cacheable.
HTTP 1.1 RFC location for PUT
HTTP POST:
POST sends data to a specific URI and expects the resource at t...
C# code to validate email address
What is the most elegant code to validate that a string is a valid email address?
43 Answers
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How do you parse and process HTML/XML in PHP?
... allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation of the W3C's Document Object Model Core Level 3, a platform- and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure and style of documents....
What is the difference between Python's list methods append and extend?
What's the difference between the list methods append() and extend() ?
20 Answers
2...