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Setting an environment variable before a command in Bash is not working for the second command in a
...mmand is perfectly safe. You really sound like a guy who once read eval is evil without understanding what's evil about eval. And maybe you're not really understanding this answer after all (and really there's nothing wrong with it). On the same level: would you say that ls is bad because for file ...
What data type to use for hashed password field and what length?
...a site - the salt needs to be known to the login page/script/sevice that's testing the password. So - you "unknown" salt advocates - are you assuming that the code for the login process is unknown to the attacker? Otherwise - won't the attacker always know the salt, whether it's random, unique, stor...
What does inverse_of do? What SQL does it generate?
...ctiveRecord::Base
has_many :traps, :inverse_of => :dungeon
has_one :evil_wizard, :inverse_of => :dungeon
end
class Trap < ActiveRecord::Base
belongs_to :dungeon, :inverse_of => :traps
end
class EvilWizard < ActiveRecord::Base
belongs_to :dungeon, :inverse_of => :evil_wiza...
What is an efficient way to implement a singleton pattern in Java? [closed]
... Hi, Can anybody tell me how this type of singleton can be mocked and tested in test cases. I tried to swap fake singleton instance for this type but couldn't.
– Ashish Sharma
Mar 18 '11 at 11:03
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What is the most ridiculous pessimization you've seen? [closed]
We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
How to redirect a url in NGINX
I need to redirect every http://test.com request to http://www.test.com . How can this be done.
4 Answers
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Is an HTTPS query string secure?
...unity wiki
3 revs, 2 users 89%dr. evil
4
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The performance impact of using instanceof in Java
...t is a little faster than doing an instanceof, but the difference my quick test found was 10-20ms over 10,000,000 iterations. If "object" isn't an ObjT, though, catching the exception was over 3000x slower - over 31,000ms vs ~10ms for the instanceof.
– Steve
Fe...
Select all contents of textbox when it receives focus (Vanilla JS or jQuery)
...nput type="text" onfocus="this.select();" onmouseup="return false;" value="test" />
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The Difference Between Deprecated, Depreciated and Obsolete [closed]
...nst" to a 21st century person probably conjures up thoughts of warding off evil spirits or something, which is probably where the disconnect occurs with people. In fact, to pray or to pray for something meant to wish good upon, to speak about in a positive way. To pray against would be to speak ill ...