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Vagrant stuck connection timeout retrying

...anage list runningvms This will result in something like this: "projects_1234567890" {5cxxxx-cxxx-4xxx-8xxx-5xxxxxxxxxx} Quite often, the VM is simply waiting for you to select an option in the bootloader. You can send the appropriate keycode (in the case, Enter) to the vm with controlvm: vbo...
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Geometric Mean: is there a built-in?

...gth(x) is necessary for the cases where x contains non-positive values. gm_mean = function(x, na.rm=TRUE){ exp(sum(log(x[x > 0]), na.rm=na.rm) / length(x)) } Thanks to @ben-bolker for noting the na.rm pass-through and @Gregor for making sure it works correctly. I think some of the comments ...
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox

... the OPTIONS request and then immediately after that the POST/GET def send_data(request): if request.method == "OPTIONS": response = HttpResponse() response['Access-Control-Allow-Origin'] = '*' response['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS' resp...
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Pick any kind of file via an Intent in Android

...s simply thing works in my case.. Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("file/*"); startActivityForResult(intent, PICKFILE_REQUEST_CODE); share | improve this answe...
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Ruby capitalize every word first letter

...s: "kirk douglas".titleize => "Kirk Douglas" #this also works for 'kirk_douglas' w/o Rails: "kirk douglas".split(/ |\_/).map(&:capitalize).join(" ") #OBJECT IT OUT def titleize(str) str.split(/ |\_/).map(&:capitalize).join(" ") end #OR MONKEY PATCH IT class String def titleize...
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How to solve the error LNK2019: unresolved external symbol - function?

...l but have not declared that class itself as import/export. #ifdef MYDLL_EXPORTS #define DLLEXPORT __declspec(dllexport) #else #define DLLEXPORT __declspec(dllimport) #endif class DLLEXPORT Book // <--- this class must also be declared as export/import { public: Book(); ...
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find -exec a shell function in Linux?

...ssue by changing while read for a for loop; for item in $(find . ); do some_function "${item}"; done – user5359531 Oct 22 '18 at 16:44  |  sho...
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Setting WPF image source in code

...packUri = "pack://application:,,,/AssemblyName;component/Images/icon.png"; _image.Source = new ImageSourceConverter().ConvertFromString(packUri) as ImageSource; share | improve this answer ...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...   为了强化这个原则,ØMQ严格地分离拓扑的建立(zmq_bind,zmq_connect)和真实消息的传递(zmq_send,zmq_rev)。 前者同底层的传输地址协同工作,比如IP地址,而后者仅仅使用处理器(文件描述符)去定位具体的拓扑: /* Topology esta...
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How do I send a JSON string in a POST request in Go

..., resp.Status) fmt.Println("response Headers:", resp.Header) body, _ := ioutil.ReadAll(resp.Body) fmt.Println("response Body:", string(body)) } share | improve this answer | ...