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Convert NSArray to NSString in Objective-C
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NSString * result = [[array valueForKey:@"description"] componentsJoinedByString:@""];
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Extracting the last n characters from a ruby string
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Here you have a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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include external .js file in node.js app
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To place an emphasis on what everyone else has been saying var foo in top level does not create a global variable. If you want a global variable then write global.foo. but we all know globals are evil.
If you are someone who uses globals like that in a node....
How do I get the last character of a string?
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Question asks for a character - this returns a one character long string. Should use charAt() not substring()
– Andrew
Mar 31 at 13:19
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$apply already in progress error
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This answer is much more helpful than the one above. I need a solution, not to be admonished for something that might be beyond my control. We have a mixture of angular and legacy code, and they have to interact somehow. It's too expensive to just rewrite all the leg...
Explain the use of a bit vector for determining if all characters are unique
...his (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
12 Answers
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How to change package name of Android Project in Eclipse?
...anges to all the references of the package which are referred by other components of project.
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insert vs emplace vs operator[] in c++ map
... std::make_pair<const K,V>(t,u) ); // 4
But that is still error prone in the same way that explicitly typing the type in case [1].
Up to this point, we have different ways of calling insert that require the creation of the value_type externally and the copy of that object into the containe...
How do popular apps authenticate user requests from their mobile app to their server?
...Answer, As, peterpan stated, its is a token based way of authentication is one time thing and out of the equation.These tokens are expired or that power is given to the developer in some cases.
The interesting thing behind this is that, resource access scope can be defined rather than allowing the...
C# Double - ToString() formatting with two decimal places but no rounding
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How about adding one extra decimal that is to be rounded and then discarded:
var d = 0.241534545765;
var result1 = d.ToString("0.###%");
var result2 = result1.Remove(result1.Length - 1);
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