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Advantage of switch over if-else statement
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This immediate-constant bitmap is a big win, because there's no cache miss on the bitmap. It works if the "special" error codes are all in a range 64 or less. (or 32 for legacy 32bit code.) The compiler subtracts the smallest case value, if it's non-zero. The t...
Is there a standard sign function (signum, sgn) in C/C++?
...ranchless code, but they'll do it also for ternaries or if/else if it is a win.
– Patrick Schlüter
Mar 12 '12 at 15:41
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Get file version in PowerShell
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Since PowerShell can call .NET classes, you could do the following:
[System.Diagnostics.FileVersionInfo]::GetVersionInfo("somefilepath").FileVersion
Or as noted here on a list of files:
get-childitem * -include *.dll,*.exe | foreach-object { "{0}`t{1}" -f $_.Name, [System.Diagnostic...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
...efulness, numpy.__config__ should really be a public API. Nonetheless, you win this round, davost.
– Cecil Curry
Feb 5 '16 at 5:51
2
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What is the difference between const int*, const int * const, and int const *?
...does not have permissions. can you post it directly here, or remove the viewing restrictions?
– R71
Apr 8 '16 at 12:03
8
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How can I truncate a datetime in SQL Server?
...datediff(dd,0, getDate()), 0)
This is older now, but it's still worth knowing because it can also easily adapt for other time points, like the first moment of the month, minute, hour, or year.
This correct way uses documented functions that are part of the ansi standard and are guaranteed to work...
How does “make” app know default target to build if no target is specified?
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This should be the correct answer. Explicit over implicit wins in this case.
– Sion
Sep 14 '18 at 9:05
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How to convert URL parameters to a JavaScript object?
... requires you to actually convert it to object, you can implement the following function:
function paramsToObject(entries) {
let result = {}
for(let entry of entries) { // each 'entry' is a [key, value] tupple
const [key, value] = entry;
result[key] = value;
}
return result;
}
Bas...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
...where you have the UI frontend built using the new Metro style of apps for windows 8, and would like it to communicate with a .NET application running on the desktop on the same local machine (e.g. a windows service app).
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How to convert wstring into string?
...ndl;
}
}
This will usually work for Linux, but will create problems on Windows.
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