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Remove an item from a dictionary when its key is unknown
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CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
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answered Jul 21 '14 at 4:10
Kye RussellKye Russell
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How to get the instance id from within an ec2 instance?
...in availability-zone'
EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
You may also use curl instead of wget, depending on what is installed on your platform.
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How can bcrypt have built-in salts?
... in the database, a bcrypt "hash" might look something like this:
$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivatio...
MongoDB with redis
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Didier SpeziaDidier Spezia
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How can I scroll a web page using selenium webdriver in python?
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You can use
driver.execute_script("window.scrollTo(0, Y)")
where Y is the height (on a fullhd monitor it's 1080). (Thanks to @lukeis)
You can also use
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
to scroll to the bottom of the page.
If you ...
Converting stream of int's to char's in java
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edited May 7 '09 at 23:19
answered May 7 '09 at 9:48
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What does “static” mean in C?
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1550
A static variable inside a function keeps its value between invocations.
A static global variab...
Is it possible to rename a maven jar-with-dependencies?
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You can specify the finalName property to give the jar the name you want, and specify that appen...
What is the difference between join and merge in Pandas?
...left.merge(right, on=('key'), suffixes=('_l', '_r'))
key val_l val_r
0 foo 1 4
1 bar 2 5
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