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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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edited Apr 7 '16 at 20:48
Unslander Monica
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What is the difference between precision and scale?
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205
Precision 4, scale 2: 99.99
Precision 10, scale 0: 9999999999
Precision 8, scale 3: 99999.99...
Changing image size in Markdown
...e image. Do not forget the space before the =.
You can skip the HEIGHT
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List comprehension rebinds names even after scope of comprehension. Is this right?
...g.
– Steven Rumbalski
Nov 10 '11 at 20:32
38
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How to find all links / pages on a website
...ore verbose.
– Mateng
Nov 14 '11 at 20:42
how do I do that myself? and what if there is no robots.txt in a web site?
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Showing a different background colour in Vim past 80 characters
... ctermbg=235 guibg=#2c2d27
Now I like to highlight column 80 as well as 120 and onward, so I have separate "warning" and "danger" markers. You can do that thusly:
let &colorcolumn="80,".join(range(120,999),",")
Example
Here's a screenshot of GVim editing my .vimrc.
I use Ubuntu Mono 11 ...
How do I write JSON data to a file?
...ns a string.
– phihag
Aug 13 '15 at 20:58
27
btw: to re read the data use: with open('data.txt') ...
How do I use format() on a moment.js duration?
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// set up
let start = moment("2018-05-16 12:00:00"); // some random moment in time (in ms)
let end = moment("2018-05-16 12:22:00"); // some random moment after start (in ms)
let diff = end.diff(start);
// execution
let f = moment.utc(diff).format("HH:mm:...
How can I format a String number to have commas and round?
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edited Nov 17 '15 at 20:21
user100464
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Rails migrations: Undo default setting for a column
...oshua Pinter
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answered Nov 17 '09 at 2:36
Jeremy MackJeremy Mack
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