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How do I write JSON data to a file?
...ns a string.
– phihag
Aug 13 '15 at 20:58
27
btw: to re read the data use: with open('data.txt') ...
prevent refresh of page when button inside form clicked
... explain why?
– mjk
Sep 5 '17 at 15:20
default behavior of a button is of submit type when inside a form, on changing ...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...
Francesco CasulaFrancesco Casula
20.3k99 gold badges114114 silver badges122122 bronze badges
...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...table {
width: 100%; /* Optional */
}
tbody td, thead th {
width: 20%; /* Optional */
}
Since the table has a (sort of) fluid layout, we should adjust the width of thead columns when the container resizes.
Hence we should set the columns' widths once the window is resized:
// Adjust th...
Best way to create unique token in Rails?
...
-- Update --
As of January 9th, 2015. the solution is now implemented in Rails 5 ActiveRecord's secure token implementation.
-- Rails 4 & 3 --
Just for future reference, creating safe random token and ensuring it's uniqueness for the model (when usin...
JavaScript - Get minutes between two dates
...heckout this code:
var today = new Date();
var Christmas = new Date("2012-12-25");
var diffMs = (Christmas - today); // milliseconds between now & Christmas
var diffDays = Math.floor(diffMs / 86400000); // days
var diffHrs = Math.floor((diffMs % 86400000) / 3600000); // hours
var diffM...
Adding up BigDecimals using Streams
...onterException
– gstackoverflow
Sep 20 '17 at 12:17
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How to check if a model has a certain column/attribute?
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209
For a class
Use Class.column_names.include? attr_name where attr_name is the string name of y...
Create a dictionary with list comprehension
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edited Jul 7 at 20:24
smci
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answered ...
Determine the data types of a data frame's columns
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220
Your best bet to start is to use ?str(). To explore some examples, let's make some data:
se...