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Ruby: Change negative number to positive number?
What's the simplest way of changing a negative number to positive with ruby?
3 Answers
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Template function inside template class
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How do I get the MAX row with a GROUP BY in LINQ query?
... {
var q = from t in dc.TableTests
group t by t.SerialNumber
into g
select new
{
SerialNumber = g.Key,
uid = (from t2 in g select t2.uid).Ma...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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You can also center exclusively horizontal by omitting the top and bottom, and center exclusively vertical by omitting the right and left.
– Manuel Hernandez
Jul 31 '14 at 15:16
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pycharm convert tabs to spaces automatically
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You can force it to use spaces even for existing files by unchecking "Detect and use existing file indents for editing" under the general "Code Style". After that, typing tab on an existing file will immediately insert spaces rather than tabs.
– David Kingho...
Call a Javascript function every 5 seconds continuously [duplicate]
... @KarlMorrison No, using setInterval can cause a memory leak. By using setTimeout you ensure that the next function call won't get triggered until the previous function call has finished.
– gion_13
Nov 16 '15 at 7:10
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Overwriting my local branch with remote branch [duplicate]
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I did this with one slight change and it didn't work: git fetch --all, git reset --hard SHA1OFANOLDCOMMIT, (some other stuff), git reset --hard origin/branch. The end result was that I was still at the old commit. So, this appro...
JavaScript data formatting/pretty printer
... }
else
{
// Recursive dump
// (replace " " by "\t" or something else if you prefer)
var od = DumpObjectIndented(value, indent + " ");
// If you like { on the same line as the key
//value = "{\n" + od + "\n" + indent + "}";
// If you pr...
How to reset a single table in rails?
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In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or something like that.
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Rails: select unique values from a column
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I did a: group(:rating).collect { |r| r.rating } Since map == collect, where can I read about this sintax you used (&:rating)? I don't see this in Ruby's documentation.
– alexandrecosta
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