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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
...ng to do the Michael Hartl tutorial. When I attempt to install rails 3.2.14 in my gemset, I get the following issue:
24 An...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
.../details/18716559
http://www.cnblogs.com/xianyunhe/archive/2011/09/25/2190485.html
http://blog.sina.com.cn/s/blog_6e51df7f01015cci.html
感谢原作者的无私奉献。
通过VC实现对Excel表格的操作的方法有多种，如：通过ODBC数据库实现，通过解析Excel表格文件，...
What is a “translation unit” in C++
... JeffHJeffH
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9
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error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用 - c...
解决方法如下：Cpp文件include语句之后加上如下代码：#pragma comment(lib,"netapi32.lib")
Key hash for Android-Facebook app
...
Here are the steps-
Download openssl from Google code (If you have a 64 bit machine you must download openssl-0.9.8e X64 not the latest version)
Extract it. create a folder- OpenSSL in C:/ and copy the extracted code here.
detect debug.keystore file path. If u didn't find, then do a search in C...
Why do we need virtual functions in C++?
...
Neuron
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answered Mar 6 '10 at 13:54
M PerryM Perry
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ond plot with only four of the levels
p2 <- p %+% droplevels(subset(dat[4:10,])) + colScale
The first plot looks like this:
and the second plot looks like this:
This way you don't need to remember or check each data frame to see that they have the appropriate levels.
...
How can I get the current PowerShell executing file?
...function, the variable is scoped to that function only).
Details
There's 4 different methods used in various answers, so I wrote this script to demonstrate each (plus $PSCommandPath):
function PSCommandPath() { return $PSCommandPath; }
function ScriptName() { return $MyInvocation.ScriptName; }
fun...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name=Ce...