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Best way to format integer as string with leading zeros? [duplicate]

... The way 004 is parsed by the compiler, and then represented in memory, is exactly the same as 4. The only time a difference is visible is in the .py source code. If you need to store information like "format this number with leading zeros until th...
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Convert integer to hexadecimal and back again

... you can also specify the number of digits by using: decValue.ToString("X4") – Martin Oct 27 '09 at 9:04 82 ...
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Hide grid row in WPF

... You can also do this by referencing the Row in the Grid and then changing the Height of the row itself. XAML <Grid Grid.Column="2" Grid.Row="1" x:Name="Links"> <Grid.RowDefinitions> <RowDefinition Height="60" /> ...
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Fragment onResume() & onPause() is not called on backstack

...ck button from HomeFragment, onViewStateRestored() will be called followed by onStart() of LoginFragment. So eventually onResume() won't be called. share | improve this answer | ...
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How do I move a file with Ruby?

I want to move a file with Ruby. How do I do that? 6 Answers 6 ...
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Is there a difference between x++ and ++x in java?

...tend the constant value `1` to an int, and increment // by this amount the local variable at index `1` (`y`) 6: istore_1 // Pop the value on top of the operand stack (`2`) and set the // value of the local variable at index `1` (`y`) to this value. 7: r...
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jQuery validation: change default error message

... @LisaCerilli I had the same, fixed it by changing jQuery.format("... to jQuery.validator.format("... – lehel Jul 26 '17 at 11:50 1 ...
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How can I get the Typescript compiler to output the compiled js to a different directory?

...thing to build. The source files are kept in src. The outfile is specified by --outDir build. { "name": "myapp", "version": "0.0.1", "scripts": { "tsc": "tsc", "tsc:w": "tsc -w --outDir build", "lite": "lite-server", "start": "concurrent \"npm run tsc:w\" \"npm run lite\" " ...
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Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?

....load(f) This will over-write the pickled file. You might have done this by mistake before using: ... open(filename, 'rb') as f: And then got the EOFError because the previous block of code over-wrote the cd.pkl file. When working in Jupyter, or in the console (Spyder) I usually write a wrapp...
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How to get started on TDD with Ruby on Rails? [closed]

... What Ruby on Rails TDD 101 article should I read? I will start with a guide to testing rails applications. Also Railscast has some excellent screencasts about how to use different testing tools. What do I need to test? I w...