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A cron job for rails: best practices?
...
I'm using the rake approach (as supported by heroku)
With a file called lib/tasks/cron.rake ..
task :cron => :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "...
When do you use varargs in Java?
...rovided that this argument is for input only (ie, the list is not modified by the method).
Additionally, I would refrain from using f(Object... args) because its slips towards a programming way with unclear APIs.
In terms of examples, I have used it in DesignGridLayout, where I can add several JCo...
jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
... });
});
When trying to identify the variable x with a pixel value I by using jquery I put the += in quotes. Instead of having width: '+= x', which doesn't work because it thinks that x is a string rather than a number. Hopefully this helps.
...
How to add image to canvas
...ded before you draw it. Try this instead:
var canvas = document.getElementById('viewport'),
context = canvas.getContext('2d');
make_base();
function make_base()
{
base_image = new Image();
base_image.src = 'img/base.png';
base_image.onload = function(){
context.drawImage(base_image, 0, ...
Select element based on multiple classes
... 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 can I limit Parallel.ForEach?
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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...
Splitting a string into chunks of a certain size
...l or empty input string, chunkSize == 0, input string length not divisible by chunkSize, etc.). The original question doesn't specify any requirements for these edge cases and in real life the requirements might vary so they are out of scope of this answer.
...
Use IntelliJ to generate class diagram
.../class/package > Diagrams > Show Diagram...
or
Ctrl+Alt+Shift+U
By default, you see only the classes/interfaces names. If you want to see more details, go to File > Settings... > Tools > Diagrams and check what you want (E.g.: Fields, Methods, etc.)
P.S.: You need IntelliJ IDE...
How to create arguments for a Dapper query dynamically
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Show SOME invisible/whitespace characters in Eclipse
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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...