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Why does typeof array with objects return “object” and not “array”? [duplicate]
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One of the weird behaviour and spec in Javascript is the typeof Array is Object.
You can check if the variable is an array in couple of ways:
var isArr = data instanceof Array;
var isArr = Array.isArray(data);
But the most reliable way is:
isArr = Object....
How to break out of jQuery each Loop
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To break a $.each or $(selector).each loop, you have to return false in the loop callback.
Returning true skips to the next iteration, equivalent to a continue in a normal loop.
$.each(array, function(key, value) {
if(value === "foo") {
return false; // breaks
}
});
// or
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Error “library not found for” after putting application in AdMob
I am getting an error after I put my application in an AdMob. The app was working until today. The error is the following:
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No EditorOptionDefinition Export Found Error
In Visual Studio 2013 I started getting the following error when trying to open C# files:
8 Answers
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Maximum and Minimum values for ints
I am looking for minimum and maximum values for integers in python. For eg., in Java, we have Integer.MIN_VALUE and Integer.MAX_VALUE . Is there something like this in python?
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Stack Memory vs Heap Memory [duplicate]
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...
Is it better to specify source files with GLOB or each file individually in CMake?
... several ways to specify the source files for a target.
One is to use globbing ( documentation ), for example:
5 Answers
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Mapping over values in a python dictionary
...do this is to use a dict comprehension:
my_dictionary = {k: f(v) for k, v in my_dictionary.items()}
In python 2.7, use the .iteritems() method instead of .items() to save memory. The dict comprehension syntax wasn't introduced until python 2.7.
Note that there is no such method on lists either; ...
How to set variables in HIVE scripts
I'm looking for the SQL equivalent of SET varname = value in Hive QL
9 Answers
9
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Node.js Error: Cannot find module express
I wrote my first node.js app, but it can't find express library:
15 Answers
15
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