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for each loop in Objective-C for accessing NSMutable dictionary
I am finding some difficulty in accessing mutable dictionary keys and values in Objective-C.
7 Answers
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How to print a float with 2 decimal places in Java?
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You can use the printf method, like so:
System.out.printf("%.2f", val);
In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of the format spe...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...u DO need to use semicolons! jsfiddle.net/bTNc2
– jack
Nov 15 '13 at 14:52
107
It's 2014 now, so ...
How do you attach and detach from Docker's process?
I can attach to a docker process but Ctrl + c doesn't work to detach from it. exit basically halts the process.
15 Ans...
VIM: Deleting from current position until a space
Often when developing I am confronted with a nested object that I'd like to delete from code in the middle of a line like this:
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What does MVW stand for?
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It stands indeed for whatever, as in whatever works for you
MVC vs MVVM vs MVP. What a controversial topic that many developers
can spend hours and hours debating and arguing about.
For several years +AngularJS was closer to MVC (or rather one of its
client-sid...
How do I convert array of Objects into one Object in JavaScript?
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You're probably looking for something like this:
// original
var arr = [
{key : '11', value : '1100', $$hashKey : '00X' },
{key : '22', value : '2200', $$hashKey : '018' }
];
//convert
var result = {};
for (var i = 0; i < ...
How to tell whether a point is to the right or left side of a line
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Regexident
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answered Oct 13 '09 at 14:12
Eric BainvilleEric...
Xcode + remove all breakpoints
Is there any way to remove all the breakpoints in Xcode?
12 Answers
12
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How to declare and add items to an array in Python?
...ist use remove
my_list.remove(2)
Dictionaries represent a collection of key/value pairs also known as an associative array or a map.
To initialize an empty dictionary use {} or dict()
Dictionaries have keys and values
my_dict = {'key':'value', 'another_key' : 0}
To extend a dictionary with ...