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普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...机会看到这个标题的文章不妨看一下评论。各种“喷子”从“性能”、“道德”、“微软很坏”、“PHP是最好的”等各种无厘头开喷。这似乎是程序员们的通病，对于一个自己没有好感的东西（比如：国产或者微软，这两个最容...
从 svndata 恢复svn服务器仓库 - 更多技术 - 清泛网 - 专注C/C++及内核技术
从 svndata 恢复svn服务器仓库svndata_restore_svnserver服务器端备份了svndata，然后需要在一台新机器上还原svn仓库，步骤如下：1、确认新机器已经安装svnserverapt-get install subversion2、从svndata目录启动svn服务程序svnserve 服务器端备份了sv...
How to color System.out.println output? [duplicate]
...tem.out.println((char)27 + "[31m" + "ERROR MESSAGE IN RED");
python: print(chr(27) + "[31m" + "ERROR MESSAGE IN RED")
bash or zsh: printf '\x1b[31mERROR MESSAGE IN RED'
this may also work for Os X: printf '\e[31mERROR MESSAGE IN RED'
sh: printf 'CTRL+V,CTRL+[[31mERROR MESSAGE IN RED'
ie, press ...
What is the list of supported languages/locales on Android?
...lan (France)]
ca_IT [Catalan (Italy)]
cgg_ [Chiga]
cgg_UG [Chiga (Uganda)]
chr_ [Cherokee]
chr_US [Cherokee (United States)]
cs_ [Czech]
cs_CZ [Czech (Czech Republic)]
cy_ [Welsh]
cy_GB [Welsh (United Kingdom)]
da_ [Danish]
da_DK [Danish (Denmark)]
da_GL [Danish (Greenland)]
dav_ [Taita]
dav_KE [Tai...
(grep) Regex to match non-ASCII characters?
...t work in a UTF8 terminal? This works for me in pry in a UTF8 terminal: 27.chr =~ /[^[:print:]]/
– akostadinov
Nov 10 '14 at 18:58
...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
从源代码剖析Mahout推荐引擎前言Mahout框架中cf.taste包实现了推荐算法引擎，它提供了一套完整的推荐算法工具集，同时规范了数据结构，并标准化了程序开发过程。应用推...前言
Mahout框架中cf.taste包实现了推荐算法引擎，它提供...
app inventor屏幕属性中的文件范围分别是什么意思？ - App Inventor 2 中文...
...种类型的简述：App [推荐] ：Android 2.2及更高版本上文件将从应用程序特定存储中读取和写入，在 Android 早期版本上，文件将写入兼容存储中。
App的根目录为：/storage/emulated/0/Android/data。读写文件在指定的 files 目录下，如图：（...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
...
Assuming you want lower case letters:
var chr = String.fromCharCode(97 + n); // where n is 0, 1, 2 ...
97 is the ASCII code for lower case 'a'. If you want uppercase letters, replace 97 with 65 (uppercase 'A'). Note that if n > 25, you will get out of the range ...
error C2664: “find_char”: 不能将参数 1 从“const char [14]”转换为“...
error C2664: “find_char”: 不能将参数 1 从“const char [14]”转换为“std::string &出错代码：#include <iostream>#include <string>using std::cout;using std::endl;using std::string; const引用形参举例 非const...出错代码：
#include <iostream>
#include <string>
using...
Count number of occurences for each unique value
...myData)) ) # confirm structure
Named int [1:2] 25 75
- attr(*, "names")= chr [1:2] "1" "2"
This may be useful if you need to feed the counts of unique values into another function, and is shorter and more idiomatic than the t(as.data.frame(table(dummyData))[,2] posted in a comment to Chase's ans...