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虚拟机安装CentOS出错：EDD:Error 8000 reading sector 2106934 - 更多技术...
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When i start to install every thing seem to be fine.
1.Select language k
2.select location k
3.configure keyboard k
4.network config k
then it gets stuck on a purple screen with nothing in it and a white/black bottom that it lets me type in but nothing else happens.
http://ubuntuforums.or...
虚拟机安装CentOS出错：EDD:Error 8000 reading sector 2106934 - 环境配置...
...!
When i start to install every thing seem to be fine.
1.Select language k
2.select location k
3.configure keyboard k
4.network config k
then it gets stuck on a purple screen with nothing in it and a white/black bottom that it lets me type in but nothing else happens.
http://ubuntuforums.or...
How to run multiple shells on Emacs
I am using Emacs 23.3.1 on windows 7. I know that I can run shell from emacs using M-x shell. I would like to have multiple shell windows in the same time, but typing M-x shell a second time just opens me the same shell window.
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What is the method for converting radians to degrees?
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Dave CostaDave Costa
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How do I print out the contents of an object in Rails for easy debugging?
I think I'm trying to get the PHP equivalent of print_r() (print human-readable); at present the raw output is:
8 Answers...
How do I check how many options there are in a dropdown menu?
How do I check, using jQuery, how many options are there in a drop down menu?
10 Answers
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How to join (merge) data frames (inner, outer, left, right)
...function and its optional parameters:
Inner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "CustomerId") to make sure that you were matching on only the fields you d...
Filename too long in Git for Windows
I'm using Git-1.9.0-preview20140217 for Windows. As I know, this release should fix the issue with too long filenames. But not for me.
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How to check if element in groovy array/hash/collection/list?
...out if an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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How do I parse JSON with Objective-C?
...on, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime.
So, for example:
NSData *returnedData = ...JSON data, probably from a web request...
// probably check here that returnedData isn't nil; attempting
// NSJSONSerialization wi...