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Socket.IO Authentication
I am trying to use Socket.IO in Node.js, and am trying to allow the server to give an identity to each of the Socket.IO clients. As the socket code is outside the scope of the http server code, it doesn't have easy access to the request information sent, so I'm assuming it will need to be sent up d...
How to get the number of Characters in a String?
..."), utf8.RuneCountInString("世界"))
}
Phrozen adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compile...
Compiled vs. Interpreted Languages
...et machine, but instead read and executed by some other program (which normally is written in the language of the native machine). For example, the same "+" operation would be recognised by the interpreter at run time, which would then call its own "add(a,b)" function with the appropriate arguments,...
Regular expression for floating point numbers
...ssues in some languages (like Java).
Thanks to the nameless one for originally recognizing this.
One relatively simple pattern for matching a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
123
123.456
.456
See a working example
If you also want to match 123. (a period w...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...each cell's content and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance?
...
How to change color of Android ListView separator line?
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edited Feb 2 '15 at 12:32
Lankymart
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据mysql存储在磁盘中，各种天灾人祸都会导致数据丢失。大公司的时候我们常常需要做好数据冷热备，对于小公司来说要做好所有数据备份需要支出...mysql存储在磁盘中，各种天灾人祸...
Difference between Divide and Conquer Algo and Dynamic Programming
...d only once and the result of each sub-problem is stored in a table ( generally implemented as an array or a hash table) for future references. These sub-solutions may be used to obtain the original solution and the technique of storing the sub-problem solutions is known as memoization.
You may thi...
Why is my Git Submodule HEAD detached from master?
...cify remote branch to be tracked - default master
OLD ANSWER:
Personally I hate answers here which direct to external links which may stop working over time and check my answer here (Unless question is duplicate) - directing to question which does cover subject between the lines of other subj...
How do I pass command line arguments to a Node.js program?
...cripts:
var args = process.argv.slice(2);
Note that the first arg is usually the path to nodejs, and the second arg is the location of the script you're executing.
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