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Why do you use typedef when declaring an enum in C++?
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In C, declaring your enum the first way allows you to use it like so:
TokenType my_type;
If you use the second style, you'll be forced to declare your variable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. My guess is that either the pers...
XSLT equivalent for JSON [closed]
...ttp://www.w3.org/TR/xslt-30/#json
XML uses angular brackets for delimiter tokens, JSON uses braces, square brackets, ... I. e. XML's fewer token recognition comparisons means it's optimized for declarative transformation, whereas more comparisons, being like switch statement, for speed reasons assu...
How do I use PHP namespaces with autoload?
...Class1 is not in the global scope.
See below for a working example:
<?php
function __autoload($class)
{
$parts = explode('\\', $class);
require end($parts) . '.php';
}
use Person\Barnes\David as MyPerson;
$class = new MyPerson\Class1();
Edit (2009-12-14):
Just to clarify, my usage...
Memcached vs APC which one should I choose? [closed]
...lways use an opcode cache, which APC is (also APC will get integrated into php6 iirc, so why not start using it now).
You can/should use both for different purposes.
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What is the canonical way to determine commandline vs. http execution of a PHP script?
I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
Thou shalt not inherit from std::vector
...the absence of a virtual destructor is only a problem if the derived class allocates resources which must be freed upon destruction. (They wouldn't be freed in a polymorphic use case because a context unknowingly taking ownership of a derived object via pointer to base would only call the base dest...
Is APC compatible with PHP 5.4 or PHP 5.5?
It doesn't seem like APC has been updated to coincide with the php 5.4 release (I wish they would have included APC in PHP core like originally planned).
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How to efficiently concatenate strings in go
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If you know the total length of the string that you're going to preallocate then the most efficient way to concatenate strings may be using the builtin function copy. If you don't know the total length before hand, do not use copy, and read the other answers instead.
In my tests, that approa...
Read file from line 2 or skip header row
...nd to improve readability I'd use method extraction. Suppose you wanted to tokenize the first three lines of coordinates.txt to use as header information.
Example
coordinates.txt
---------------
Name,Longitude,Latitude,Elevation, Comments
String, Decimal Deg., Decimal Deg., Meters, String
Euler's...
How to resolve “must be an instance of string, string given” prior to PHP 7?
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Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error messa...