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When to use nil, blank, empty? [duplicate]
...ct or not
empty? - may be used to check on various object types like empty string "" or empty array []
blank? - checks for nil? or empty?.
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Lua string to int
How can I convert a string to an integer in Lua?
12 Answers
12
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Getting the last element of a split string array
...commas and space. If there are no separators it should return the original string.
8 Answers
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In Java 8 how do I transform a Map to another Map using a lambda?
... to rewrite a very simple thing I wrote recently. I need to turn a Map of String to Column into another Map of String to Column where the Column in the new Map is a defensive copy of the Column in the first Map. Column has a copy constructor. The closest I've got so far is:
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Setting an int to Infinity in C++
...or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double>::infinity();
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What is an “unwrapped value” in Swift?
... let box = [i:gift]
return box
}
}
func getGift() -> String? {
return "foobar"
}
let f00 = wrap(10,gift:getGift())
//Now we have to unwrap f00, unwrap its entry, then force cast it into the type we hope it is, and then repeat this in nested fashion until we get to the fin...
How to search for a string in text files?
I want to check if a string is in a text file. If it is, do X. If it's not, do Y. However, this code always returns True for some reason. Can anyone see what is wrong?
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Type definition in object literal in TypeScript
...ng an object type literal is close to what you have:
var obj: { property: string; } = { property: "foo" };
But you can also use an interface
interface MyObjLayout {
property: string;
}
var obj: MyObjLayout = { property: "foo" };
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Connect to a locally built Jekyll Server using mobile devices in the LAN
...e Jekyll on the command line.
That will make Jekyll's HTTP server bind to all available IPs, rather than just to localhost.
You can also add this to your _config.yml with host: 0.0.0.0. GitHub will simply ignore this when you push, so it's safe to use if you don't mind having your work openly acce...
Wrap long lines in Python [duplicate]
...s a really long '
'sentence with {1}').format(3, 5))
Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#string-literal-concatenation is a good place to start for more info.
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