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How to fix apt-get: command not found on AWS EC2? [closed]
I installed Ubuntu 12.04 on my instance and am trying to install packages using apt-get, but I am getting the following error:
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Open URL in new window with JavaScript
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Use window.open():
<a onclick="window.open(document.URL, '_blank', 'location=yes,height=57...
Binding ng-model inside ng-repeat loop in AngularJS
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2 Answers
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Concatenate multiple result rows of one column into one, group by another column [duplicate]
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2 Answers
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How To Get IPython Notebook To Run Python 3?
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To set IPython Notebook to run Python 3 instead of 2 on my MAC 10.9, I did the following steps
$ sudo pip3 install ipython[all]
Then
$ ipython3 notebook
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impro...
Insert at first position of a list in Python [closed]
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2 Answers
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Creating NSData from NSString in Swift
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In Swift 3
let data = string.data(using: .utf8)
In Swift 2 (or if you already have a NSString instance)
let data = string.dataUsingEncoding(NSUTF8StringEncoding)
In Swift 1 (or if you have a swift String):
let data = (string as NSString).dataUsingEncoding(NSUTF8StringEncoding...
BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...mes a DIB data structure
BMP 由以下几部分组成：
请注意：1,2,3,4组成了BMP，2,3,4组成了DIB
1.BMP文件头：
BMP文件头数据结构含有BMP文件的类型、文件大小和位图起始位置等信息。
其结构定义如下：
2. DIB头
BMP位图信息头数据用...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...命令选项有： - eq —比较两个参数是否相等（例如，if [ 2 –eq 5 ]）
-ne —比较两个参数是否不相等
-lt —参数1是否小于参数2
-le —参数1是否小于等于参数2
-gt —参数1是否大于参数2
-ge —参数1是否大于等于参数2
-f — 检...