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LINQ - Convert List to Dictionary with Value as List
... the following
List<MyObject> list = ...;
var map = list
.GroupBy(x => x.KeyedProperty)
.ToDictionary(x => x.Key, x => x.ToList());
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Git commit in terminal opens VIM, but can't get back to terminal
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To save your work and exit press Esc and then :wq (w for write and q for quit).
Alternatively, you could both save and exit by pressing Esc and then :x
To set another editor run export EDITOR=myFavoriteEdioron your terminal, where myFavoriteEdior...
Getting vertical gridlines to appear in line plot in matplotlib
...ame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have tried to search for an answer to this but couldn't find one.
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Why should hash functions use a prime number modulus?
...ought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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What's the difference between JavaScript and JScript?
...Just different names for what is really ECMAScript. John Resig has a good explanation.
Here's the full version breakdown:
IE 6-7 support JScript 5 (which is equivalent to ECMAScript 3, JavaScript 1.5)
IE 8 supports JScript 6 (which is equivalent to ECMAScript 3, JavaScript 1.5 - more bug fixes ov...
How do browser cookie domains work?
...ge onto your questions, the following should apply:
Cookie with Domain=.example.com will be available for www.example.com
Cookie with Domain=.example.com will be available for example.com
Cookie with Domain=example.com will be converted to .example.com and thus will also be available for www.examp...
Try catch statements in C
I was thinking today about the try/catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, ...
How to resize the iPhone/iPad Simulator?
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⌘+4 and ⌘+5 for 33% and 25% respectively. Requires Xcode 6.3.
– Pang
Apr 13 '15 at 7:24
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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...前的假想，我们需要一台大内存的服务器，用于部署nginx的comet应用。下面是我用的服务端的情况：
Summary: Dell R710, 2 x Xeon E5520 2.27GHz, 23.5GB / 24GB 1333MHz
System: Dell PowerEdge R710 (Dell 0VWN1R)
Processors: 2 x Xeon E5520 2.27GH...
Best practice: ordering of public/protected/private within the class definition?
... Constructors at the top, right after the member variables. In OOP, execution begins with object instantiation.
– Asaph
Nov 30 '14 at 21:01
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