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Is there a “not equal” operator in Python?
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636
Use !=. See comparison operators. For comparing object identities, you can use the keyword is a...
What is tail recursion?
...ple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), th...
A Windows equivalent of the Unix tail command [closed]
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137
I'd suggest installing something like GNU Utilities for Win32. It has most favourites, includi...
Bulk package updates using Conda
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355
You want conda update --all.
conda search --outdated will show outdated packages, and conda u...
NuGet for solutions with multiple projects
Suppose I have a solution with 3 projects:
6 Answers
6
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Print array elements on separate lines in Bash?
...even Penny
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answered Mar 28 '13 at 20:57
Gilles QuenotGilles Quenot
1...
Passing a std::array of unknown size to a function
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edited Jun 17 '13 at 20:36
answered Jun 17 '13 at 20:30
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Tooltips for cells in HTML table (no Javascript)
... here on Firefox v 18 (Aurora), Internet Explorer 8 & Google Chrome v 23x
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How to use background thread in swift?
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Swift 3.0+
A lot has been modernized in Swift 3.0. Running something on the background thread looks like this:
DispatchQueue.global(qos: .background).async {
print("This is run on the background queue")
DispatchQueue.mai...
inserting characters at the start and end of a string
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133
Strings are immutable so you can't insert characters into an existing string. You have to creat...