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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...u see this in .h file:
#ifndef FILE_H
#define FILE_H
/* ... Declarations etc here ... */
#endif
This is a preprocessor technique of preventing a header file from being included multiple times, which can be problematic for various reasons. During compilation of your project, each .cpp file (usu...
What requirement was the tuple designed to solve?
... make:
class MArguments
{
public int Foo { get; private set; }
... etc
unless MArguments had some other meaning in the business logic.
The concept of "group together a bunch of otherwise unrelated data in some structure that is more lightweight than a class" is useful in many, many places...
NoSql Crash Course/Tutorial [closed]
...ave a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head around how I would go about designing a system that w...
Select all text inside EditText when it gets focus
... @Galip OnFocusChangeListener listener = new OnFocusChangeListener... etc... then editText1.setOnFocusChangeListener(listener) editText2.setOnFocusChangeListener(listener) and so on...
– SparK
Oct 7 '13 at 20:30
...
How to compare 2 files fast using .NET?
...equal and avoid further byte-2-byte comparison ? As far as I know MD5/SHA1 etc collisions are really unlikely...
– digEmAll
Nov 25 '14 at 10:37
...
What is a method group in C#?
...erloads (plus any extension methods): ToString(), ToString(string format), etc - hence ToString by itself is a "method group".
It can usually convert a method group to a (typed) delegate by using overload resolution - but not to a string etc; it doesn't make sense.
Once you add parentheses, again;...
JSON.stringify output to div in pretty print way
...thout any modification. So browser will not remove white spaces, new lines etc. code is for making it more semantic and denotes that the content inside is a code snippet. It has nothing to with formatting. It is advised to use like this, <pre><code> /* Your code snippet here. */ </c...
What are file descriptors, explained in simple terms?
...e directly with the kernel, using system calls to read(), write(), close() etc. the handle you use is a file descriptor.
There is a layer of abstraction overlaid on the system calls, which is the stdio interface. This provides more functionality/features than the basic system calls do. For this int...
How to replace plain URLs with links?
...rsing URLs: international domain names, actual (.museum) vs. nonexistent (.etc) TLDs, weird punctuation including parentheses, punctuation at the end of the URL, IPV6 hostnames etc.
I've looked at a ton of libraries, and there are a few worth using despite some downsides:
Soapbox's linkify has se...
What is jQuery Unobtrusive Validation?
...u specify requirements using data attributes (data-val, data-val-required, etc.)
Jquery Validate Example:
<input type="text" name="email" class="required">
<script>
$(function () {
$("form").validate();
});
</script>
Jquery Validate Unobtrusive Exam...