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How can I map True/False to 1/0 in a Pandas DataFrame?
I have a column in python pandas DataFrame that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that?
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How do I execute a program using Maven?
..., declare the phase to which you want to bind the goal in the execution element:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<id>...
How to add calendar events in Android?
I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
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Are Duplicate HTTP Response Headers acceptable?
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Yes
HTTP RFC2616 available here says:
Multiple message-header fields with the same field-name MAY be present
in a message if and only if the entire field-value for that header
field is defined as a comma-separated list [i.e., #(values)]. It MUST
be possible to combi...
What does 'var that = this;' mean in JavaScript?
... answer with an illustration:
var colours = ['red', 'green', 'blue'];
document.getElementById('element').addEventListener('click', function() {
// this is a reference to the element clicked on
var that = this;
colours.forEach(function() {
// this is undefined
// that i...
$(window).scrollTop() vs. $(document).scrollTop()
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They are both going to have the same effect.
However, as pointed out in the comments: $(window).scrollTop() is supported by more web browsers than $('html').scrollTop().
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Resetting the UP-TO-DATE property of gradle tasks?
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Check whether a variable is a string in Ruby
... appropriate idiom to use (and often a duck-typing check like Andrew Grimm mentions is even better). A strict class comparison is usually a code smell. en.wikipedia.org/wiki/Liskov_substitution_principle
– mahemoff
Jan 17 '13 at 6:23
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Renaming xcode 4 project and the actual folder
I know how to rename the project in Xcode 4, but how do you rename the source folder? The thing is that renaming the project in Xcode, does only rename within Xcode (Though it is progress compared to previous) - but why Xcode is not renaming the folder in the filesystem I don't know.
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Accessing items in an collections.OrderedDict by index
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If its an OrderedDict() you can easily access the elements by indexing by getting the tuples of (key,value) pairs as follows
>>> import collections
>>> d = collections.OrderedDict()
>>> d['foo'] = 'python'
>>> d['bar'] = 'spam'
>>> ...