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Uninstall all installed gems, in OSX?
... because "gem list" and "sudo gem list" provide independent lists.
Do not mix a normal "gem list" with a sudo-ed "gem uninstall" nor the other way around otherwise you may end up uninstalling sudo-installed gems (former) or getting a lot of errors (latter).
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ping response “Request timed out.” vs “Destination Host unreachable”
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What does it mean if you get a mix of both replies?
– user2924019
Nov 16 '16 at 15:56
7
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MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...发工作，为了适应更复杂的逻辑，开发了Classic MVC的改进版，也就是Application Model MVC，在原有架构基础上引入了Application Model，如下图所示：
Application Model MVC
图解：Application Model在Model和View、Controller之间扮演着一个中继者的...
Git workflow and rebase vs merge questions
...factor it and get code reviews. Part of my refactoring involves fixing the mixed tabs and spaces that were present in master before. This is necessary, but unfortunately it will conflict with any change made afterward to this method in master. Sure enough, while I'm working on this method, someone m...
LEGO EV3 机器人传感器面板 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...nswer.
So, here it is. In our case, we had an Objective-C project using a mix of Swift and Objective-C frameworks. This fix might apply in slightly different contexts, just try it.
There happens to be a bug with the way the compiling flags get aggregated from the frameworks and the project, and th...
Increase modal size for Twitter Bootstrap
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Mixing up two methods for width and height and you have a good hack:
CSS:
#myModal .modal-body {max-height: 800px;}
JQuery:
$('myModal').modal('toggle').css({'width': '800px','margin-left': function () {return -($(this)....
How to map with index in Ruby?
...en called without a block, returns an Enumerator object (in 1.8.7+), which mixes in Enumerable, so you can call map, select, reject etc. on it just like on an array, hash, range etc.
– sepp2k
Jan 15 '11 at 1:45
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How can you check for a #hash in a URL using JavaScript?
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Liked this answer coz of mixing JS+JQ, cross-browser and simple solution, already implemented this approach.
– Arthur Kushman
Aug 7 '16 at 16:27
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How to convert int to QString?
...() and operator << is convenient when formatting longer strings with mixed types.
Caution: You might be tempted to use the sprintf() facility to mimic C style printf() statements, but it is recommended to use QTextStream or arg() because they support Unicode strings.
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