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Downloading a picture via urllib and python
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f.write(urllib.urlopen('http://www.gunnerkrigg.com//comics/00000001.jpg').read())
f.close()
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How to get all properties values of a JavaScript Object (without knowing the keys)?
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If you are reading this answer, you should definitely read the other one
– mgarciaisaia
Dec 11 '15 at 23:35
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What's the best way to check if a file exists in C?
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}
You can also use R_OK, W_OK, and X_OK in place of F_OK to check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR any of them together (i.e. check for both read and write permission using R_OK|W_OK)
Update: Note that on Windows...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
... of dogs. A list of dogs is only a list of animals if you consider it in a read-only sense.
– Jon Skeet
Jan 28 '13 at 19:33
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Alternate FizzBuzz Questions [closed]
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I've been reading you answer for a while and could,'t figure out what was going on, why didn't I like it, the thing is your questions are not fun to code :) (which is ok since this were intended for interviews). There is no real point ...
Most underused data visualization [closed]
...y agree with the other posters: Tufte's books are fantastic and well worth reading.
First, I would point you to a very nice tutorial on ggplot2 and ggobi from "Looking at Data" earlier this year. Beyond that I would just highlight one visualization from R, and two graphics packages (which are no...
What is an uninterruptible process?
...rstand the concept of an interruptible system call. The classic example is read(). This is a system call that can take a long time (seconds) since it can potentially involve spinning up a hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
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Why are side-effects modeled as monads in Haskell?
...ld -> ((), RealWorld)
We want to
get a filename from the console,
read that file, and
print that file's contents to the console.
How would we do it if we could access the real world states?
printFile :: RealWorld -> ((), RealWorld)
printFile world0 = let (filename, world1) = getLine wor...
Why use JUnit for testing?
...ts, poring over millions of log lines across dozens of files and machines, reading generated and delivered emails, checking text messages, checking the path of a robot, filling a bottle of soda, aggregating data from a hundred web services, checking the audit trail of a financial transaction... you...
Difference between open and codecs.open in Python
.../docs.python.org/3.4/library/io.html
Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always use io.open() with an explicit encoding, or open() with an explicit encoding in Python 3. Doing so means you get correctly decoded Unicod...