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How do I read CSV data into a record array in NumPy?
I wonder if there is a direct way to import the contents of a CSV file into a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
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How do I read and parse an XML file in C#?
How do I read and parse an XML file in C#?
10 Answers
10
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Fastest way to get the first object from a queryset in django?
Often I find myself wanting to get the first object from a queryset in Django, or return None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant.
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How do I enable/disable log levels in Android?
I am having lots of logging statements to debug for example.
17 Answers
17
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What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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Checking if object is empty, works with ng-show but not from controller?
...Use an empty object literal isn't necessary here, you can use null or undefined:
$scope.items = null;
In this way, ng-show should keep working, and in your controller you can just do:
if ($scope.items) {
// items have value
} else {
// items is still null
}
And in your $http callbacks,...
How do you beta test an iphone app?
... but is there a way to do a limited release via the app store for beta testing?
10 Answers
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How to see the changes in a Git commit?
...ar as I know), but I would like to see the changes that were made by that single commit.
19 Answers
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
I've always handled optional parameters in JavaScript like this:
28 Answers
28
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
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static_cast is the first cast you should attempt to use. It does things like implicit conversions between types (such as int to float, or pointer to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast isn't necessary, b...