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How to redirect cin and cout to files?

...rks fine. #include <iostream> #include <fstream> #include <string> void f() { std::string line; while(std::getline(std::cin, line)) //input from the file in.txt { std::cout << line << "\n"; //output to the file out.txt } } int main() { s...
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Globally catch exceptions in a WPF application?

... }; } private void LogUnhandledException(Exception exception, string source) { string message = $"Unhandled exception ({source})"; try { System.Reflection.AssemblyName assemblyName = System.Reflection.Assembly.GetExecutingAssembly().GetName(); ...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

...ce in some memory buffers 0xFE (unused parts of `std::string` or the user buffer passed to `fread()`). 0xFD is used in VS 2005 (maybe some prior versions, too), 0xFE is used in VS 2008 and later. 0xCC...
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Scala equivalent of Java java.lang.Class Object

...: scala> "foo".getClass res0: java.lang.Class[_ <: java.lang.String] = class java.lang.String ) Back in 2009: It would be useful if Scala were to treat the return from getClass() as a java.lang.Class[T] forSome { val T : C } where C is something like the erasure of the static type of...
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Extract file name from path, no matter what the os/path format

...k), similar to how \r or \n signify newline/carriage return. Prefixing the string with r"C:\..." means use the given raw input – Bruce Lamond Jan 31 '17 at 0:53 ...
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How do I copy to the clipboard in JavaScript?

...u find any problems or have any suggestions for improving it. // Copies a string to the clipboard. Must be called from within an // event handler such as click. May return false if it failed, but // this is not always possible. Browser support for Chrome 43+, // Firefox 42+, Safari 10+, Edge and In...
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How to validate an email address using a regular expression?

...may not be exactly what you want to achieve. For example, it accepts these strings as valid e-mail addresses: "user1@hotmail.com; user2@gmail.com" "user1@hotmail.com; user2@gmail.com; user3@company.com" "User Display Name user3@company.com" "user4 @company.com" In some of these cases, only the l...
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Can Powershell Run Commands in Parallel?

...($i=1; $i -le 3; $i++) { $ScriptBlock = { Param ( [string] [Parameter(Mandatory=$true)] $increment ) Write-Host $increment } Start-Job $ScriptBlock -ArgumentList $i } Get-Job | Wait-Job | Receive-Job ...
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Why are there two kinds of functions in Elixir?

...orm was used in elixir because it still looks like a function call with an extra character. It's close enough to a function call. I did not think about all the pros and cons, but it looks like in both languages you could get away with just the brackets as long as you make brackets mandatory for ano...
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Numpy: find first index of value fast

... a benchmark for several methods: argwhere nonzero as in the question .tostring() as in @Rob Reilink's answer python loop Fortran loop The Python and Fortran code are available. I skipped the unpromising ones like converting to a list. The results on log scale. X-axis is the position of the nee...