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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...rce, one constructor. UTSTTC is just one application of that, RAII is much more.
Resource Management sucks. Here, resource is anything that needs cleanup after use. Studies of projects across many platforms show the majority of bugs are related to resource management - and it's particularly bad on ...
Iteration over std::vector: unsigned vs signed index variable
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size type of pointers: using difference_type might be more portable. try iterator_traits<element_type*>::difference_type. this is one mouthful of a declaration, but it is more portable...
– wilhelmtell
Jan 4 '09 at 4:48
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Typical AngularJS workflow and project structure (with Python Flask)
... frenzy. It doesn't have to be AngularJS, but I picked it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and then hooking up the back-end to it?
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
... "full text search" feature.
Similarities
All of these indexes may have more than one column in them.
With the exception of FULLTEXT, the column order is significant: for the index to be useful in a query, the query must use columns from the index starting from the left - it can't use just the s...
What's the difference between “STL” and “C++ Standard Library”?
...e separate and that there are some differences. These differences are even more pronounced in the upcoming new C++ standard, which includes various features and significantly alters some classes.
The original STL is now often called "an implementation of the C++ Standard Template Library" (rather b...
Best way to convert string to bytes in Python 3?
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Without an argument, an array of size 0 is created.
So bytes can do much more than just encode a string. It's Pythonic that it would allow you to call the constructor with any type of source parameter that makes sense.
For encoding a string, I think that some_string.encode(encoding) is more Pytho...
Regex to match only letters
...one letter from A–Z in lowercase and uppercase. [a-zA-Z]+ matches one or more letters and ^[a-zA-Z]+$ matches only strings that consist of one or more letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them to ...
The preferred way of creating a new element with jQuery
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The first option gives you more flexibilty:
var $div = $("<div>", {id: "foo", "class": "a"});
$div.click(function(){ /* ... */ });
$("#box").append($div);
And of course .html('*') overrides the content while .append('*') doesn't, but I guess, ...
What is the Swift equivalent of isEqualToString in Objective-C?
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With Swift you don't need anymore to check the equality with isEqualToString
You can now use ==
Example:
let x = "hello"
let y = "hello"
let isEqual = (x == y)
now isEqual is true.
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What's the proper way to install pip, virtualenv, and distribute for Python?
... bootstrap virtual environment. Use the that virtual environment to create more. Since virtualenv ships with pip and distribute, you get everything from one install.
Download virtualenv:
http://pypi.python.org/pypi/virtualenv
https://pypi.python.org/packages/source/v/virtualenv/virtualenv-12.0.7...