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Painless way to install a new version of R?
...ges in another directory on your computer.
install.packages("thepackage",lib="/path/to/directory/with/libraries")
You can change the default .Library value using the function .libPaths too
.libPaths("/path/to/directory/with/libraries")
This will put this path as a first value in the .Library ...
Can I change all my http:// links to just //?
...ks if you incorporate a check:
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<!-- If jQuery is not defined, something went wrong and we'll load the local file -->
<script>window.jQuery || document.write('<script src="js/vendor/jquery-...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++中智能指针的设计和使用 智能指针(smart pointer)是存储指向动态分配（堆）对象指针的类，用于生存期控制，能够确保自动正确的销毁动态分配的对象，防止内存泄露。它的一种通用实现技术是使用引用计 智能指针(smart p...
Launch Bootstrap Modal on page load
...
Just include jQuery Library first !
– ersks
Mar 10 '18 at 7:45
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show 1 more comment
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How to integrate nodeJS + Socket.IO and PHP?
...On your page side:
Load Socket JS
https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js
Make object of the socket
var socket = io();
Use the emit function to send data to nodeserver.
socket.emit('new_notification', {
message: 'message',
...
MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC RadioButton用法详解基础介绍：radiobutton通常都是成组使用的，在一组里面是互斥的。分组的原则是：1、首先将RadioButton控件定好Tab顺序，具体方法：工具栏格...基础介绍：
radio button通常都是成组使用的，在一组里面是互斥的...
iOS 5 Best Practice (Release/retain?)
...ons required. However, certain things wont work, and most noticeably many libraries you might wish to use will (sometimes) throw up innumerable errors and you will be unable to use them until the developers release an update which is compatible with ARC.
Edit: I recently discovered that you can ...
Converting bool to text in C++
...be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :)
14 Answers
...
Renaming a virtualenv folder without breaking it
...equirements.txt
If you can't create the requirements.txt file, check env/lib/pythonX.X/site-packages before removing the original env.
Delete the existing (env)
deactivate && rm -rf env
Create a new virtualenv, activate it, and install requirements
virtualenv env && . env/bin/ac...
Error handling with node.js streams
...e context of where your errors happen. This is usually a good thing.
One library I find helpful though if you have a case where you only want to capture the errors at the destination and you don't care so much about where it happened is event-stream.
end
When an error event is fired, the end eve...