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How to save all the variables in the current python session?
... Free variables are returned by locals() when it is called in function blocks, but not in class blocks.
Example of globals and dir():
>>> x = 3 #note variable value and name bellow
>>> globals()
{'__builtins__': <module '__builtin...
How to terminate a Python script
I am aware of the die() command in PHP which exits a script early.
10 Answers
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Logging Clientside JavaScript Errors on Server [closed]
...nent(url) + "&amp;line=" + line;
req.open("POST", "/scripts/logerror.php");
req.send(params);
};
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C# Regex for Guid
....
Ruby supports them starting with version 2.0. Languages such as Delphi, PHP, and R that
have regex features based on PCRE also support conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}...
How to theme the ENTIRE Xcode IDE to light-on-dark?
... can be found in Google (http://www.mattlag.com/scripting/hexcolorinverter.php). And voila! "Ctrl-Opt-Cmd-8" + "Inverted Dark Theme" makes the whole Xcode environment dark and looking great, without the need of hiding any other sections of Xcode like Navigator, Debug and Utilities.
Let me know if t...
Install Marketplace plugin on Eclipse Juno
...asy way to add Eclipse MarketPlace
1. Go to http://eclipse.org/mpc/archive.php and download mpc zip for your eclipse.
2. Than go to Eclipse -> Help -> Install New Software and Add and select Archive file Location
then press ok, it will check dependency and install it.
And Enjoy....
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Studies on optimal code width?
...get around this by increasing line height, but that makes it harder to use block spacing to convey meaning, so it's probably something to avoid in an IDE.
– Jimmy Breck-McKye
Dec 23 '12 at 23:33
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Why does PostgreSQL perform sequential scan on indexed column?
...tial scan only requires a single IO for each row - or even less because a block (page) on the disk contains more than one row, so more than one row can be fetched with a single IO operation.
Btw: this is true for other DBMS as well - some optimizations as "index only scans" taken aside (but for a ...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...整的数据，这也是“区块链”这三个字的来源。
区块（block）：在区块链技术中，数据以电子记录的形式被永久储存下来，存放这些电子记录的文件我们就称之为“区块（block）”。区块是按时间顺序一个一个先后生成的，每一...
When should I use Kruskal as opposed to Prim (and vice versa)?
...in a very straightforward way : http://www.thestudentroom.co.uk/showthread.php?t=232168.
Kruskal's algorithm will grow a solution from the cheapest edge by adding the next cheapest edge, provided that it doesn't create a cycle.
Prim's algorithm will grow a solution from a random vertex by adding ...