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Definition of a Balanced Tree
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124
The constraint is generally applied recursively to every subtree. That is, the tree is only bal...
Tools for analyzing performance of a Haskell program
...earn Haskell (so currently I'm a completly beginner) I came over Problem 12 . I wrote this (naive) solution:
4 Answers
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Fold / Collapse the except code section in sublime text 2
...ere any plugin or shortcut to hide all except code section in sublime text 2?
5 Answers
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How to check if a string in Python is in ASCII?
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def is_ascii(s):
return all(ord(c) < 128 for c in s)
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App Inventor 2 字典代码块 · App Inventor 2 中文网
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App Inventor 2 字典代码块
介绍
创建空字典
创建字典
键值对
获取键的值
设置键的值
删除键的条目
获取键路径的值
设置键路径的值
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One-line list comprehension: if-else variants
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342
x if y else z is the syntax for the expression you're returning for each element. Thus you need:...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
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204
For small structs (eg point, rect) passing by value is perfectly acceptable. But, apart from s...
Modulo operator with negative values [duplicate]
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200
From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % o...
Windows batch file file download from a URL
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With PowerShell 2.0 (Windows 7 preinstalled) you can use:
(New-Object Net.WebClient).DownloadFile('http://www.example.com/package.zip', 'package.zip')
Starting with PowerShell 3.0 (Windows 8 preinstalled) you can use Invoke-WebRequest:
I...
How to convert hex to rgb using Java?
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* @param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
Integer.valueOf( colorStr.substring( 3, 5 ), 16 ),
Integer.valueOf( colorStr.substring( 5, 7...