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Formatting a float to 2 decimal places

...crolling through tons of docs every time I need to format some scalar. $"{1234.5678:0.00}" "1234.57" 2 decimal places, notice that value is rounded $"{1234.5678,10:0.00}" " 1234.57" right-aligned $"{1234.5678,-10:0.00}" "1234.57 " left-aligned $"{1234.5678:0.#####}"...
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How can I calculate the difference between two dates?

...e number of seconds between two NSDate objects will always be time-zone-agnostic. Furthermore, this documentation specifies that Cocoa's implementation of time does not account for leap seconds, so if you require such accuracy, you will need to roll your own implementation. ...
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'\r': command not found - .bashrc / .bash_profile [duplicate]

... When all else fails in Cygwin... Try running the dos2unix command on the file in question. It might help when you see error messages like this: -bash: '\r': command not found Windows style newline characters can cause issues in Cygwin. The dos2unix command modifies newl...
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Purpose of “consider_all_requests_local” in config/environments/development.rb?

... 123 Non-local requests result in user-friendly error pages. Local requests, assumed to come from ...
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Shell command to tar directory excluding certain files/folders

... edited May 16 '17 at 8:15 ericosg 4,97533 gold badges2828 silver badges4949 bronze badges answered Jun 11 '09 at 23:11 ...
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How to check for DLL dependency?

... If possible, I will trust only the original OS provider, since ddl dependency should be OS job.. Does any Microsoft utility program can do this? Command line is fine for me. – Robin Hsu Ja...
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C++ IDE for Linux? [closed]

...irst thing I did was try to find a reasonable IDE. At the time this was impossible: no good IDE existed. Epiphany: UNIX is an IDE. All of it.1 And then I realised that the IDE in Linux is the command line with its tools: First you set up your shell Bash, in my case, but many people prefer fish...
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How to style the parent element when hovering a child element?

... 123 I know it is an old question, but I just managed to do so without a pseudo child (but a pseudo...
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Determine file creation date in Java

...meUnit.MILLISECONDS)); System.out.println("File " + filePath.toString() + " created " + creationDate.getDate() + "/" + (creationDate.getMonth() + 1) + "/" + (creationDate.getYear() + 1900)); } } } ...
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Java String - See if a string contains only numbers and not letters

... You probably want to add anchors (e.g. ^[0-9]+$) otherwise abc123def will be considered a number. – ICR Sep 13 '13 at 21:37 10 ...