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JavaScript: Get image dimensions
I only have a URL to an image. I need to determine the height and width of this image using only JavaScript. The image cannot be visible to the user on the page. How can I get its dimensions?
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Ant: How to execute a command for each file in directory?
I want to execute a command from an Ant buildfile, for each file in a directory.
I am looking for a platform-independent solution.
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How to force 'cp' to overwrite directory instead of creating another one inside?
...cript that will overwrite an existing directory. I have a directory foo/ and I am trying to overwrite bar/ with it. But when I do this:
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ImportError: No module named MySQLdb
...application.
http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
11 Answers
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how to hide a vertical scroll bar when not needed
I have a textarea which is contained in a div as I have jquery hint and wanted to use opacity without changing the border.
There is a visible vertical scroll bar how I only want this displayed when I am typing in the text field and it goes beyond the container. I have tried overflow: auto; but does ...
Best way to format integer as string with leading zeros? [duplicate]
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The way 004 is parsed by the compiler, and then represented in memory, is exactly the same as 4. The only time a difference is visible is in the .py source code. If you need to store information like "format this number with leading zeros until the hundreds place"...
How can I use “puts” to the console without a line break in ruby on rails?
...oothly, you need to flush the stdout buffer after each print...
def print_and_flush(str)
print str
$stdout.flush
end
100.times do
print_and_flush "."
sleep 1
end
Edit: I was just looking into the reasoning behind flush to answer @rubyprince's comment, and realised this could be cleaned u...
Able to push to all git remotes with the one command?
...xargs -L1 -I R git push R master
(Bonus) To make a git alias for the command:
git config --global alias.pushall '!git remote | xargs -L1 git push --all'
Running git pushall will now push all branches to all remotes.
sha...
htaccess redirect to https://www
...lancer, Passenger application, etc., the %{HTTPS} variable may never be on and cause a rewrite loop. This is because your application is actually receiving plain HTTP traffic even though the client and the proxy/load balancer are using HTTPS. In these cases, check the X-Forwarded-Proto header instea...
Why return NotImplemented instead of raising NotImplementedError
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It's because __lt__() and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unles...