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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
... 0112
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answered Aug 25 '13 at 7:50
fivedigitfivedigit
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In Xcode, how to suppress all warnings in specific source files?
...on Reid
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Join strings with a delimiter only if strings are not null or empty
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Consider
var address = "foo";
var city;
var state = "bar";
var zip;
text = [address, city, state, zip].filter(Boolean).join(", ");
console.log(text)
.filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If...
Converting an integer to a hexadecimal string in Ruby
...nJean
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Using Moq to determine if a method is called
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holroy
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answered Dec 7 '08 at 18:49
PaulPaul
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How to find out what group a given user has?
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How to iterate through a DataTable
...n1234
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answered Nov 21 '09 at 4:25
Justin NiessnerJustin Niessner
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MySQL Query - Records between Today and Last 30 Days
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Retrieve only static fields declared in Java class
... Ivan Marjanovic
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answered Aug 6 '10 at 9:16
Abhinav SarkarAbhinav Sarkar
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Why java.io.File doesn't have a close() method?
...a.io.File doesn't. Why is that? Is the file closed automatically on finalization or something?
5 Answers
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