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Importing data from a JSON file into R
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190
First install the rjson package:
install.packages("rjson")
Then:
library("rjson")
json_file ...
What is InputStream & Output Stream? Why and when do we use them?
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220
The goal of InputStream and OutputStream is to abstract different ways to input and output: whet...
Flexbox Not Centering Vertically in IE
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10 Answers
10
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How to check whether a string contains a substring in JavaScript?
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14067
ECMAScript 6 introduced String.prototype.includes:
const string = "foo";
const substri...
Return multiple columns from pandas apply()
...data.
def sizes(s):
s['size_kb'] = locale.format("%.1f", s['size'] / 1024.0, grouping=True) + ' KB'
s['size_mb'] = locale.format("%.1f", s['size'] / 1024.0 ** 2, grouping=True) + ' MB'
s['size_gb'] = locale.format("%.1f", s['size'] / 1024.0 ** 3, grouping=True) + ' GB'
return s
df_...
Get Root Directory Path of a PHP project
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For PHP >= 5.3.0 try
PHP magic constants.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirname(__FILE__)
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imp...
Getting the exception value in Python
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340
use str
try:
some_method()
except Exception as e:
s = str(e)
Also, most exception cla...
Using an integer as a key in an associative array in JavaScript
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10 Answers
10
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...nt day = cal.get(Calendar.DAY_OF_MONTH);
// etc.
Beware, months start at 0, not 1.
Edit: Since Java 8 it's better to use java.time.LocalDate rather than java.util.Calendar. See this answer for how to do it.
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How to get the absolute coordinates of a view
...as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
11 Answer...