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How to add image to canvas
... exactly my case. I was loading some blob data into canvas using new Image and wondering why it was always showing me a previous image. Turns out even if I'm loading an image from a variable I still have to wait for the onload to happen. Thank you!
– aexl
Mar 1...
How to convert String to long in Java?
... @Belgi. No, it returns java.lang.Long
– Alexander Pogrebnyak
Oct 7 '11 at 22:20
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CORS Access-Control-Allow-Headers wildcard being ignored?
...cards in the Access-Control-Allow-Headers header was added to the living standard only in May 2016, so it may not be supported by all browsers. On browser which don't implement this yet, it must be an exact match: https://www.w3.org/TR/2014/REC-cors-20140116/#access-control-allow-headers-response-he...
How to create a tuple with only one element
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This isn't very elegant though and looks kind of confusing. Is there any other way?
– Robert Moore
Nov 26 '17 at 22:13
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How to quit scala 2.11.0 REPL?
...y did this so you can distinguish between exiting the scala console in sbt and exiting sbt itself, though I could be wrong.
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How to append to New Line in Node.js
I'm trying to Append data to a Log file using Node.js and that is working fine but it is not going to the next line. \n doesn't seem to be working in my function below. Any suggestions?
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how to write setTimeout with params by Coffeescript
...ers, the performance drawback is insignificant unless you're doing it thousands of times per second. (And what are you doing setting thousands of timeouts per second, anyway?)
Of course, a more straightforward approach is to simply name your callback, which tends to produce more readable code anywa...
How to list commits since certain commit?
... a commit that's just one back (one leg of a merge). What is it telling me and how is that useful?
– ErikE
Feb 26 '17 at 1:30
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Sqlite primary key on multiple columns
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@pratnala In standard SQL, yes. In SQLite, NULL is allowed in primary keys. This answer emphasizes that if you want more standard behavior, you need to add the NOT NULL yourself. My answer is just the very basic syntax for a multi-column pr...
Assigning default value while creating migration file
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Default migration generator does not handle default values (column modifiers are supported but do not include default or null), but you could create your own generator.
You can also manually update the migration file prior to running rake db:migrate by adding th...