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What is the purpose of a plus symbol before a variable?
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329
The + operator returns the numeric representation of the object. So in your particular case, i...
How to check if a model has a certain column/attribute?
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209
For a class
Use Class.column_names.include? attr_name where attr_name is the string name of y...
what's the meaning of '=?' in angularJS directive isolate scope declaration?
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limido
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answered Dec 7 '13 at 23:20
Matt ZeunertMatt Zeunert
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Difference between Node object and Element object?
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answered Apr 2 '12 at 16:05
jfriend00jfriend00
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The difference between try/catch/throw and try/catch(e)/throw e
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answered Nov 8 '09 at 17:25
Bruno ReisBruno Reis
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How do I put a bunch of uncommitted changes aside while working on something else
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answered Jul 17 '12 at 9:57
Adam HouldsworthAdam Houldsworth
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What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
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127
The customary usage order of the modifiers is mentioned in the Java Language Specification (and...
Difference between break and continue in PHP?
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524
break ends a loop completely, continue just shortcuts the current iteration and moves on to the...
Difference between timestamps with/without time zone in PostgreSQL
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162
The differences are covered at the PostgreSQL documentation for date/time types. Yes, the treatm...
Clang optimization levels
...ttrs -inferattrs -ipsccp -called-value-propagation -globalopt -domtree -mem2reg -deadargelim -basicaa -aa -loops -lazy-branch-prob -lazy-block-freq -opt-remark-emitter -instcombine -simplifycfg -basiccg -globals-aa -prune-eh -always-inline -functionattrs -sroa -memoryssa -early-cse-memssa -speculati...