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Handle file download from ajax post
...sends ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've read a nu...
How to check if multiple array keys exists
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If you only have 2 keys to check (like in the original question), it's probably easy enough to just call array_key_exists() twice to check if the keys exists.
if (array_key_exists("story", $arr) && array_key_exists("message", $arr)) {
// Both keys exist.
}
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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
I'm working on web application that needs to render a page and make a screenshot on the client (browser) side.
2 Answers
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Where does the “flatmap that s***” idiomatic expression in Scala come from?
... so powerful about flatmap that it deserves such a place in the Scala folklore?
4 Answers
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List files committed for a revision
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This lists files for that particular revision, adding username instead of revision lists all files and revisions for the user svn log --verbose --username 'username'
– Satish
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ssh remote host identification has changed
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Here is the simplest solution
ssh-keygen -R <host>
For example,
ssh-keygen -R 192.168.3.10
From ssh-keygen man page:
-R hostname Removes all keys belonging to hostname from a known_hosts file. This option is useful to delete hashed hosts (see the -H option above).
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What was the strangest coding standard rule that you were forced to follow? [closed]
...hat is the supposed point of this rule? Personally I'd fail a code review for code that could be made easier to read by putting in another return.
– Mark Baker
Oct 20 '08 at 15:31
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int to hex string
... that the string will be 4 digits long.
Reference: The Hexadecimal ("X") Format Specifier on MSDN.
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Reading file contents on the client-side in javascript in various browsers
I'm attempting to provide a script-only solution for reading the contents of a file on a client machine through a browser.
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Calculating a directory's size using Python?
Before I re-invent this particular wheel, has anybody got a nice routine for calculating the size of a directory using Python? It would be very nice if the routine would format the size nicely in Mb/Gb etc.
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