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Bytecode features not available in the Java language
...-set. This flag exists only for backwards-compatibility reasons. Note that starting with Java 7u51, ACC_SUPER is ignored completely due to security reasons.
The jsr/ret bytecodes.
These bytecodes were used to implement sub-routines (mostly for implementing finally blocks). They are no longer produ...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...gally predefine. A macro predefined by the compiler could only have a name starting with two underscores, or with an underscore followed by an uppercase letter, leaving programmers free to use identifiers not matching that pattern and not used in the standard library.
As a result, any compiler that...
What is the copy-and-swap idiom?
...ase. We want to manage, in an otherwise useless class, a dynamic array. We start with a working constructor, copy-constructor, and destructor:
#include <algorithm> // std::copy
#include <cstddef> // std::size_t
class dumb_array
{
public:
// (default) constructor
dumb_array(std:...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
...t --hard origin/master # You will need to be comfortable doing this!
You start making changes locally, you edit half a dozen files and then, oh crap, you're still in the master (or another) branch:
git checkout -b new_branch_name # just create a new branch
git add . # add th...
Why shouldn't I use mysql_* functions in PHP?
...bove, you are probably thinking: what the heck is that when I just want to start leaning simple SELECT, INSERT, UPDATE, or DELETE statements? Don't worry, here we go:
Selecting Data
So what you are doing in mysql_* is:
<?php
$result = mysql_query('SELECT * from table') or die(mysql_error()...
Getting the closest string match
...alse, _
Optional ByVal Limit As Long = -1) As String()
Dim ElemStart As Long, N As Long, M As Long, Elements As Long
Dim lDelims As Long, lText As Long
Dim Arr() As String
lText = Len(Text)
lDelims = Len(DelimChars)
If lDelims = 0 Or lText = 0 Or Limit = 1 Then
...
Best architectural approaches for building iOS networking applications (REST clients)
...
Started to like this architecture a few month ago, thanks Alex for sharing it! I would like to try it with RxSwift in the near future!
– ingaham
Aug 14 '16 at 23:10
...
Best way to represent a fraction in Java?
...base-10. So try to figure out
//a good number of significant digits. Start with the number of digits required
//to represent the numerator and denominator in base-10, which is given by
//bitLength / log[2](10). (bitLenth is the number of digits in base-2).
final double LG10 = 3.32...
Twitter image encoding challenge [closed]
...
The general overview of my solution would be:
I start with calculating the maximum amount of raw data that you can fit into 140 utf8 characters.
(I am assuming utf8, which is what the original website claimed twitter stored it's messages in. This differs from the problem...
Repeat String - Javascript
...cy can be computed by adding in reverse order and using a geometric series starting with a first term a1 = N and having a common ratio of r = 1/2. The sum of a geometric series is given by a_1 / (1-r) = 2N.
This is more efficient than adding one character to create a new string of length 2, creatin...