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How to get the system uptime in Windows? [closed]

...and line utility checks and displays various system statistics such as installation date, installed hotfixes and more. Open a Command Prompt and type the following command: systeminfo You can also narrow down the results to just the line you need: systeminfo | find "System Boot Time:" 3: By ...
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String formatting: % vs. .format vs. string literal

...ated. And Python, not being a lazy language, evaluates expressions before calling functions, so in your log.debug example, the expression "some debug info: %s"%some_infowill first evaluate to, e.g. "some debug info: roflcopters are active", then that string will be passed to log.debug(). ...
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rails - Devise - Handling - devise_error_messages

...hould help you get started. :) Another update The resource object is actually the model that is being used by devise (go figure). resource.class #=> User resource.errors.class #=> ActiveModel::Error It also appears to be defined in a higher scope (probably coming from the contro...
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How do I join two lines in vi?

...ou join lines as is -- without adding or removing whitespaces: S<Switch_ID>_F<File type> _ID<ID number>_T<date+time>_O<Original File name>.DAT Result: S<Switch_ID>_F<File type>_ID<ID number>_T<date+time>_O<Original File name>.DAT With...
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How to base64 encode image in linux bash / shell

... You need to use cat to get the contents of the file named 'DSC_0251.JPG', rather than the filename itself. test="$(cat DSC_0251.JPG | base64)" However, base64 can read from the file itself: test=$( base64 DSC_0251.JPG ) ...
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How to get the sizes of the tables of a MySQL database?

I can run this query to get the sizes of all tables in a MySQL database: 16 Answers 16...
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C# Lazy Loaded Automatic Properties

... 4.0 Lazy<T> type to create this pattern private Lazy<string> _someVariable =new Lazy<string>(SomeClass.IOnlyWantToCallYouOnce); public string SomeVariable => _someVariable.Value; This code will lazily calculate the value of _someVariable the first time the Value expression i...
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Calling a function when ng-repeat has finished

What I am trying to implement is basically a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it. ...
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Where is the WPF Numeric UpDown control?

...Modifier="private" Margin="5,5,0,5" Width="50" Text="0" TextChanged="txtNum_TextChanged" /> <Button x:Name="cmdUp" x:FieldModifier="private" Margin="5,5,0,5" Content="˄" Width="20" Click="cmdUp_Click" /> <Button x:Name="cmdDown" x:FieldModifier="private" Margin="0,5,0,5" Conten...
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...

...Program...";//phpinfo(); $picDir = "./test/"; $fileName = $_REQUEST['pic']; $startT = microtime(TRUE); echo "\nReceiving: $fileName \n"; $dataToWrite = file_get_contents('php://input'); $fileStatus = file_put_contents($picDir.$fileName, $dataToWrite); $dur = microtime(TR...