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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
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Example 1
The result of some operation is an array of objects:
[{value: 2}, {value: 4}, {value: 6}]
and you want to compute the minimum and maximum of the values. Lets assume we use two done callbacks:
deferred.then(function(result) {
// result = [{value: 2}, {value: 4}, {value: 6}]
var...
Hexadecimal To Decimal in Shell Script
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323
To convert from hex to decimal, there are many ways to do it in the shell or with an external p...
Assign pandas dataframe column dtypes
...ated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-05-01
1 b 2 2018-05-02
You can apply these to each column you want to co...
How to list all tags that contain a commit?
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2 Answers
2
Active
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Warning the user/local/mysql/data directory is not owned by the mysql user
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2 Answers
2
Active
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How to convert a ruby hash object to JSON?
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572
One of the numerous niceties of Ruby is the possibility to extend existing classes with your own...
Is there a common Java utility to break a list into batches?
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257
Check out Lists.partition(java.util.List, int) from Google Guava:
Returns consecutive su...
Difference between Document-based and Key/Value-based databases?
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2 Answers
2
Active
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How do I make class methods / properties in Swift?
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152
They are called type properties and type methods and you use the class or static keywords.
clas...
What is the meaning of polyfills in HTML5?
...port CSS3 techniques you want).
Here's a good post:
http://remysharp.com/2010/10/08/what-is-a-polyfill/
Here's a comprehensive list of Polyfills and Shims:
https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills
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