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Why is a round-trip conversion via a string not safe for a double?

...ber(value, 17, &number); DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime: void DoubleToNumber(double value, int precision, NUMBER* number) { WRAPPER_CONTRACT _ASSERTE(number != NULL); number->precision = precision; if (((FPDOUBLE*)&val...
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Throw an error in a MySQL trigger

... | edited Nov 19 '16 at 21:05 Drew 23.7k99 gold badges3737 silver badges6868 bronze badges answe...
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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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Mark parameters as NOT nullable in C#/.NET?

... function parameter that prevents null from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException . ...
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Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7

...he tableView's tableHeaderView = nil. Because my tableView has a dynamically appearing tableHeaderView, when I need to hide the tableHeaderView, instead of doing self.tableView.tableHeaderView = nil;, I do: self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, sel...
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How do I get the computer name in .NET

... @tvanfosson All of these three get me the server name and not the clients machine which is accessing the page. Is this how it works? or am I doing something incorrectly. I would like to get the clients machine, and not the server. I am u...
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What is the difference between concurrency and parallelism?

What is the difference between concurrency and parallelism? 37 Answers 37 ...
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Docker - how can I copy a file from an image to a host?

...rrect answer. – CentAu Apr 2 '19 at 16:14 1 Definitely the right answer!!! Doesn't rely on anythi...
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How can I start PostgreSQL server on Mac OS X?

... The Homebrew package manager includes launchctl plists to start automatically. For more information, run brew info postgres. Start manually pg_ctl -D /usr/local/var/postgres start Stop manually pg_ctl -D /usr/local/var/postgres stop Start automatically "To have launchd start postgresql now and res...
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Making macOS Installer Packages which are Developer ID ready

Note: This is for OS X Installer packages only, packages for submission to the Mac App Store follow different rules. 5 ...