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When would you use a List instead of a Dictionary?
What is the difference between a List of KeyValuePair and a Dictionary for the same types? Is there an appropriate time to use one or the other?
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What encoding/code page is cmd.exe using?
...the
current console font contains the characters. So use
a TrueType font like Lucida Console instead of the default Raster Font.
But if the console font doesn’t contain the character you’re trying to display,
you’ll see question marks instead of gibberish. When you get gibberish,
there’s mo...
do..end vs curly braces for blocks in Ruby
I have a coworker who is actively trying to convince me that I should not use do..end and instead use curly braces for defining multiline blocks in Ruby.
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Vim users, where do you rest your right hand? [closed]
Longtime vim users, do you keep your fingers onjkl; or hjkl in normal mode?
5 Answers
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How can we generate getters and setters in Visual Studio?
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Rather than using Ctrl + K, X you can also just type prop and then hit Tab twice.
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How to join two JavaScript Objects, without using JQUERY [duplicate]
...chieve this:
1 - Native javascript for-in loop:
const result = {};
let key;
for (key in obj1) {
if(obj1.hasOwnProperty(key)){
result[key] = obj1[key];
}
}
for (key in obj2) {
if(obj2.hasOwnProperty(key)){
result[key] = obj2[key];
}
}
2 - Object.keys():
const result = {};
Ob...
Python: Tuples/dictionaries as keys, select, sort
...g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on.
I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g.,
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C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
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Is there an IDictionary implementation that, on missing key, returns the default value instead of th
The indexer into Dictionary throws an exception if the key is missing. Is there an implementation of IDictionary that instead will return default(T) ?
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Determine whether an array contains a value [duplicate]
... item === needle) {
index = i;
break;
}
}
return index;
};
}
return indexOf.call(this, needle) > -1;
};
You can use it like this:
var myArray = [0,1,2],
needle = 1,
index = contains.call(m...