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How to convert a negative number to positive?
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216
>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) ...
How to determine function name from inside a function
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238
You can use ${FUNCNAME[0]} in bash to get the function name.
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How do you write multiline strings in Go?
...e string is delimited by backticks instead of double quotes.
`line 1
line 2
line 3`
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Turning a Comma Separated string into individual rows
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270
You can use the wonderful recursive functions from SQL Server:
Sample table:
CREATE TABLE ...
Append value to empty vector in R?
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212
Appending to an object in a for loop causes the entire object to be copied on every iteration,...
What is the best practice for “Copy Local” and with project references?
...faultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
... snip ...
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<Import Project="[relative path to Common.targets]" />
<!-- To modif...
How do I set/unset a cookie with jQuery?
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Update April 2019
jQuery isn't needed for cookie reading/manipulation, so don't use the original answer below.
Go to https://github.com/js-cookie/js-cookie instead, and use the library there that doesn't depend on jQuery.
Basic example...
Is inject the same thing as reduce in ruby?
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2 Answers
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What does curly brackets in the `var { … } = …` statements do?
...r with Python, it's similar to this syntax:
>>> a, (b, c) = (1, (2, 3))
>>> a, b, c
(1, 2, 3)
The first code chunk is shorthand for:
var {Hotkey: Hotkey} = require("sdk/hotkeys");
// Or
var Hotkey = require("sdk/hotkeys").Hotkey;
You can rewrite the second code chunk as:
let...
How to execute XPath one-liners from shell?
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274
You should try these tools :
xmlstarlet : can edit, select, transform... Not installed by def...