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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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answered Jun 6 '11 at 8:46
ChowlettChowlett
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What Product Flavor does Android Studio build by default in build.gradle?
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4 Answers
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Usage of sys.stdout.flush() method
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answered Apr 4 '12 at 21:35
Haldean BrownHaldean Brown
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How to avoid merge-commit hell on GitHub/BitBucket
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answered May 3 '13 at 12:14
Todd A. JacobsTodd A. Jacobs
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How do I print the full value of a long string in gdb?
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514
set print elements 0
From the GDB manual:
set print elements number-of-elements
Set a limi...
Why is Python 3.x's super() magic?
...class Foo(Bar):
def baz(self):
return super(Foo, self).baz() + 42
Spam = Foo
Foo = something_else()
Spam().baz() # liable to blow up
The same applies to using class decorators where the decorator returns a new object, which rebinds the class name:
@class_decorator_returning_new_cla...
How do I get a string format of the current date time, in python?
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
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:peanut :butter :and :jelly
0 1 2 3 4
4 is still within the array, just barely; if you request 0 elements, you get the empty end of the array. But there is no index 5, so you can't slice from there.
When you do index (like array[4]), you are pointing at elem...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
... -8388608 to 8388607 0 to 16777215
int/integer | 4 bytes -2147483648 to 2147483647 0 to 4294967295
bigint | 8 bytes -9223372036854775808 to 9223372036854775807 0 to 18446744073709551615
The "unsigned" types are only available in MySQL, and the ...
How to differentiate between time to live and time to idle in ehcache
...s = 3. Then the object will be invalidated if it hasn't been requested for 4 seconds.
If timeToLiveSeconds = 90, then the object will be removed from cache after 90 seconds, even if it has been requested few milliseconds in the 90th second of its short life.
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