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Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
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182
There is no best way, it depends on your use case.
Use way 1 if you want to create several sim...
How do I replace multiple spaces with a single space in C#?
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24 Answers
24
Active
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ActiveRecord: List columns in table from console
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215
This will list the column_names from a table
Model.column_names
e.g. User.column_names
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How do I export UIImage array as a movie?
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221
Take a look at AVAssetWriter and the rest of the AVFoundation framework. The writer has an inp...
How to check if multiple array keys exists
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20 Answers
20
Active
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ALTER TABLE to add a composite primary key
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428
ALTER TABLE provider ADD PRIMARY KEY(person,place,thing);
If a primary key already exists the...
Check if a key exists inside a json object
...mt: "10.00",
email: "sam@gmail.com",
merchant_id: "sam",
mobileNo: "9874563210",
orderID: "123456",
passkey: "1234"
}
you can find the details here
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Difference between . and : in Lua
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242
The colon is for implementing methods that pass self as the first parameter. So x:bar(3,4)sho...
How does the “final” keyword in Java work? (I can still modify an object.)
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527
You are always allowed to initialize a final variable. The compiler makes sure that you can do...
Equivalent of “continue” in Ruby
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Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable is 5
=> 0..5
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