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Postgresql: Scripting psql execution with password

...ncx_um << EOF DELETE FROM usrmgt.user_one_time_codes WHERE time < NOW() - INTERVAL '30 minute' EOF – Govind Gupta Aug 14 '18 at 9:37 ...
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java: ArrayList - how can i check if an index exists?

...uff. but the next time at that index, my index will still be index = 0 and now I am re-initializing that element in the list when I was supposed to be doing stuff. The 1st thought is to && a second condition like list.get(index) == null but that not working is why there are questions like th...
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]

...ng 1/9 in 3-digit decimal and 6-digit decimal. 0.111 < 0.111111, right? Now suppose you are computing 6/9. 0.667 > 0.666667, right? You can't have it that 6/9 in three digit decimal is 0.666 because that is not the closest 3-digit decimal to 6/9! ...
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CSS3 selector :first-of-type with class name?

...in some discussions of the feature: :nth-match(1 of p.myclass) This has now been implemented in WebKit, and is thus available in Safari, but that appears to be the only browser that supports it. There are tickets filed for implementing it Blink (Chrome), Gecko (Firefox), and a request to implemen...
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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.

... The backports gem now allows individual loading of backports. You could then simply: require 'backports/1.9.1/kernel/require_relative' # => Now require_relative works for all versions of Ruby This require will not affect newer versions,...
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How to disable typing special characters when pressing option key in Mac OS X? [closed]

Now when I press option-b, I will get ∫. I don't need to type special characters and need to map option-b to shortcuts to certains applications. Is there any way to do this? ...
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Why is exception handling bad?

...hose statements just randomly doesn't run, you end up in a world of pain. Now take away locks and concurrency, and think about each method like that. Think of each method as a transaction of permutations on object state, if you will. At the start of your method call, the object should be clean st...
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In what areas might the use of F# be more appropriate than C#? [closed]

...rns at all about interoperability. Seamless. The C# programmer need never know. Code reduction Much of the data fed into the calculation engine was in the form of vectors and matrices. Higher order functions eat these for breakfast with minimal fuss, minimal code. Beautiful. Lack of bugs Functiona...
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How to dismiss keyboard for UITextView with return key?

...e reason to use UITextView is that it can hold text in multiple lines. And now I'm using it as a message box. – Chilly Zhong Apr 1 '09 at 6:12 28 ...
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Could not load NIB in bundle

...ib files. I changed it to 'Relative to project' and voila: all .xib files now are correctly loaded in IOS simulator ! I have no clue what's the reason behind that for this odd Xcode4 behavior but maybe it's worth to make an attempt ? ...