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Any good boolean expression simplifiers out there? [closed]
I was refactoring old code and encountered several IF conditions that were way too complex and long and I'm certain they can be simplified. My guess is that those conditions grew so much because of later modifications.
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What is the difference between LL and LR parsing?
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At a high level, the difference between LL parsing and LR parsing is that LL parsers begin at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol.
An LL parse i...
How do I get the current time only in JavaScript
How can I get the current time in JavaScript and use it in a timepicker?
18 Answers
18...
How do I compare two hashes?
...sh[*difference.flatten]
=> {"c"=>3}
Doing it all in one operation and getting rid of the difference variable:
Hash[*(
(hash3.size > hash1.size) \
? hash3.to_a - hash1.to_a \
: hash1.to_a - hash3.to_a
).flatten]
=> {"c"=>3}
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Bash script plugin for Eclipse? [closed]
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ShellEd looks promising, does syntax highlighting, and has positive reviews, although I've not tried it myself. It was approved for distro inclusion by Redhat. There's a little more info on the ShellEd plugin page on the Eclipse site, and installation instructions on their wi...
Failed to load resource under Chrome
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I recently ran into this problem and discovered that it was caused by the "Adblock" extension (my best guess is that it's because I had the words "banner" and "ad" in the filename).
As a quick test to see if that's your problem, start Chrome in incognito mo...
What data type to use for hashed password field and what length?
... @Hippo: Please, don't use the username as the salt. Generate a random salt per user.
– Bill Karwin
Sep 15 '10 at 18:38
11
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Setting Corner Radius on UIImageView not working
... you pay the mask creation overhead everyframe. If shouldRasterize is true and your layer changes every frame, you pay the mask overhead and the rasterization overhead. Ideal case is a static (not changing very often) layer with shouldRasterize = true.
– jjxtra
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Check if a value exists in ArrayList
...in order for this to work, you will need to properly override the equals() and hashCode() methods. If you are using Eclipse IDE, then you can have these methods generated by first opening the source file for your CurrentAccount object and the selecting Source > Generate hashCode() and equals()......
Return rows in random order [duplicate]
Is it possible to write SQL query that returns table rows in random order every time the query run?
6 Answers
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