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What does it mean when an HTTP request returns status code 0?
...a webserver?
XMLHttpRequest status = 0 and XMLHttpRequest statusText = unknown can help you if you are not running your script on a webserver.
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swap fragment in an activity via animation
...e screen and PageB is for fragment B i.e. on the right side of the screen. Now i want that when i click a button on pageA then PageA will move to the right side of the screen with some transition animation.
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How to generate a random int in C?
... bigger reason is that the properties of rand() and functions like it are known best for the use case where they are seeded exactly once per run, and not on every single call. Depending on "randomness" with untested or unproven properties leads to trouble.
– RBerteig
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How to do a scatter plot with empty circles in Python?
... Very helpful. It's markerfacecolor='none', this is the way it's now.
– hesham_EE
May 28 '15 at 3:16
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Can a CSV file have a comment?
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RFC 4180 is the standard now.
– vipw
Aug 16 '11 at 6:34
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Running unittest with typical test directory structure
... Python 2.7+ (which is backported as unittest2 for Python 2.6 and earlier) now has test discovery built-in, so nose is no longer necessary if you want automated test discovery: your user instructions can be as simple as python -m unittest discover.
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How to change the type of a field?
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This is great - do you know how you'd convert a string (think currency like '1.23') to the integer 123? I assume you'd have to parse it as a float or decimal, multiply it by 100, then save it as an integer, but I can't find the right docs to do thi...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
... a specific key and if it doesn't find it, then it adds it with ssh-add.
Now the first time I open my terminal I'm asked for the passwords for my private keys and I'm not asked again until I reboot(or logout - I haven't checked) my computer.
Since I have a bunch of keys I store the output of ssh-...
Difference between BeautifulSoup and Scrapy crawler?
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I think both are good... im doing a project right now that use both. First i scrap all the pages using scrapy and save that on a mongodb collection using their pipelines, also downloading the images that exists on the page.
After that i use BeautifulSoup4 to make a pos-proce...
What's the best way of implementing a thread-safe Dictionary?
... the enumerating of the members. The problem with this is that you don't know if the action passed to that function calls some member of your dictionary (that would result in a deadlock). Exposing the synchronization object allows the consumer to make those decisions and doesn't hide the deadlock ...