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How to call methods dynamically based on their name? [duplicate]
... each with their own advantages and disadvantages. Care should be taken to select the most appropriate method for the situation.
The following table breaks down some of the more common techniques:
+---------------+-----------------+-----------------+------------+------------+
| Method | A...
How to Copy Contents of One Canvas to Another Canvas Locally
... are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElementsByClassName("some-class-selector")[0];
//copy canvas by DataUrl
var sourceImageData = ...
Swift: Convert enum value to String?
...
I like this way better than the selected answer because I can do Audience(rawValue: "Friends")
– tidwall
Mar 29 '15 at 1:12
add a co...
Does Python have a ternary conditional operator?
... This one emphasizes the primary intent of the ternary operator: value selection. It also shows that more than one ternary can be chained together into a single expression.
– Roy Tinker
Oct 4 '10 at 21:14
...
brew install mysql on macOS
...wever, the UPDATE did not work since I do not have any records on select * from mysql.user; Since we are already logged in as root, we can simply insert one for root by running GRANT ALL PRIVILEGES ON . TO 'root'@'localhost' IDENTIFIED BY 'whatever'; FLUSH PRIVILEGES;
...
Do you use source control for your database items? [closed]
... under source control, because otherwise it's a manual process to rollback/selectively apply schema changes to match your code-base branch. If I have three dependent projects, and I switch all of them to a particular branch (e.g. with a particular set of schema migrations), then I should be able to...
How to linebreak an svg text within javascript?
... to delete the old tspans first before appended new ones, like this: focus.selectAll("tspan").remove();
– Darren Parker
Dec 14 '15 at 19:38
...
Google Chrome Printing Page Breaks
...
Actually one detail is missing from the answer that is selected as accepted (from Phil Ross)....
it DOES work in Chrome, and the solution is really silly!!
Both the parent and the element onto which you want to control page-breaking must be declared as:
position: relative
ch...
How to write :hover condition for a:before and a:after?
...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one.
If you're writing CSS3, you can denote a pseudo-eleme...
SQL Client for Mac OS X that works with MS SQL Server [closed]
... I love DbVisualizer too, I just miss that the Free edition doesn't allow "selection executes" and the Personal edition is too expensive for me (because of exchange rates).
– Daniel Serodio
Nov 9 '11 at 13:56
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