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How to determine the version of the C++ standard used by the compiler?
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From the Bjarne Stroustrup C++0x FAQ:
__cplusplus
In C++0x the macro __cplusplus will be set to a value that differs
from (is greater than) the current 199711L.
Although this isn't as helpful as one would like. g...
Install Node.js on Ubuntu
... software-properties-common
As of Node.js v0.10.0, the nodejs package from Chris Lea's repo
includes both npm and nodejs-dev.
Don't give sudo apt-get install nodejs npm just sudo apt-get install nodejs
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To switch from vertical split to horizontal split fast in Vim
How can you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
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From an array of objects, extract value of a property as array
... a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'foo');
var result = _.map(objArray, _.property('foo'));
_.property(), and hence _.map(), also allow you to provide a dot-separated string or array in order to access sub-pro...
How to create JSON string in C#
...lizer class, check this article to build an useful extension method.
Code from article:
namespace ExtensionMethods
{
public static class JSONHelper
{
public static string ToJSON(this object obj)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
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Defeating a Poker Bot
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Defeating a bot from the serverside perspective
Many online poker sites use popup
Captcha inputs that are triggered by
suspicious activity.
Some poker sites monitor playing
times and patterns (i.e., worst case
scenario is a player who play...
When to use the different log levels
... oddities, but for which I am automatically recovering. (Such as switching from a primary to backup server, retrying an operation, missing secondary data, etc.)
Error - Any error which is fatal to the operation, but not the service or application (can't open a required file, missing data, etc.). The...
Django template how to look up a dictionary value with a variable
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Write a custom template filter:
from django.template.defaulttags import register
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@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will...
How do short URLs services work?
... is redirected to will see the referrer (the site that you originally come from) as being the site the TinyUrl link is on (i.e., twitter.com, your own site, wherever the link is). This is just as important, so that site owners can see where people are coming from. This too, would not work if a page ...
How to get object length [duplicate]
... hasOwnProperty is there to make sure that you're only counting properties from the object literal, and not properties it "inherits" from its prototype.
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