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Check empty string in Swift?
...nk
} else {
return true
}
}
}
Note: when calling this on an optional, make sure not to use ? or else it will still require unwrapping.
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Soft wrap at 80 characters in Vim in window of arbitrary width
...wrap ) to wrap some code at 80 characters, regardless of my actual window width.
5 Answers
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Comparing boxed Long values 127 and 128
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Java caches Integer objects instances from the range -128 to 127. That said:
If you set to N Long variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 instance)
If you set to N Long variables the value 128 (not cached), you will have an ob...
how to get the host url using javascript from the current page
... (e.g. www.example.com). In your example you are showing something what is called origin, which may be retrieved using window.location.origin (e.g. http://www.example.com).
var path = window.location.origin + "/";
//result = "http://localhost:60470/"
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Difference between “!==” and “==!” [closed]
...ce is that there is no operator ==!.
This expression:
$a ==! $b
Is basically the same as this:
$a == (!$b)
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Map over object preserving keys
The map function in underscore.js, if called with a javascript object, returns an array of values mapped from the object's values.
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How to form tuple column from two columns in Pandas
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Did this work on your data? If so, can you share your pandas version and the data? I wonder why your code did not work, it should.
– Wouter Overmeire
Apr 16 '13 at 12:25
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How can I do DNS lookups in Python, including referring to /etc/hosts?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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How to edit a node module installed via npm?
I'm using the node_swiz module, which in turn uses the validator module.
5 Answers
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Automatic counter in Ruby for each?
...m}"
end
You can't do this with for. I usually like the more declarative call to each personally anyway. Partly because its easy to transition to other forms when you hits the limit of the for syntax.
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