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When to Redis? When to MongoDB? [closed]
...nto nodes, and nodes are connected to other nodes); Craigslist used to use MySQL and MongoDB, but had been looking into moving entirely onto MongoDB. These are places where the span and relationship of the data faces significant handicaps if put under one model.
Redis: Key-Value
Redis is, most b...
How do I force Sublime Text to indent two spaces per tab?
... to autoload and apply the .editorconfig file. Then just create one in the root of your project.
.editorconfig
[*.rb]
indent_style = tab
indent_size = 2
This way, your settings are project-specific and file-specific if you use different styles for each project or language.
Here is what my own...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，需要特别关注 C 和 C++ 编程的内存问题。让我们看一看如何解决这些问题，先不谈是哪种语言。
内存错误的类别
首先，不要失去信心。有很多办法可以对付内存问题。我们先列出所有可能存在的实际问题：
内存泄漏
错误...
What is the advantage of using heredoc in PHP? [closed]
...ot use double quotes within there in the first place. That only works with MySQL, and only when that server doesn't run in --ansi compliant mode. SQL strings must use single quotes.
– mario
Apr 15 '11 at 7:27
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Fastest way(s) to move the cursor on a terminal command line?
...
I prefer this answer because it gets down the [essence/root/reason behind] how bash keyboard input works(where it comes from), ie Readline.
– eugenevd
Jul 12 '13 at 14:51
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Show constraints on tables command
... @noboundaries you're trying that on Oracle, the question is about MySQL
– ymajoros
Sep 12 '14 at 5:05
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SQL JOIN vs IN performance?
...y you mention that, I did a blog post on this very subject.
See Oracle vs MySQL vs SQL Server: Aggregation vs Joins
Short answer: you have to test it and individual databases vary a lot.
share
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i...
How to check if a view controller is presented modally or pushed on a navigation stack?
...turns YES for pushed VC, when there is a UITabBarController being set as a root. So, does not suitable in my case.
– Yevhen Dubinin
Jun 11 '14 at 12:23
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What's the difference between backtracking and depth first search?
...lated to searching tree structures. From Wikipedia:
One starts at the root (selecting some node as the root in the graph case) and explores as far as possible along each branch before backtracking.
It uses backtracking as part of its means of working with a tree, but is limited to a tree stru...
OO Design in Rails: Where to put stuff
...ry to your load path by doing:
config.load_paths << File.join(Rails.root, "app", "classes")
If you're using passenger or JRuby, you probably also want to add your path to the eager load paths:
config.eager_load_paths << File.join(Rails.root, "app", "classes")
The bottom-line is tha...