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How can I check if character in a string is a letter? (Python)
...supper , but can you check whether or not that character is a letter?
For Example:
6 Answers
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Coroutine vs Continuation vs Generator
...rning, but when called will return (yield) a value and then suspend their execution. When they're called again, they will start up from where they last suspended execution and do their thing again.
A generator is essentially a cut down (asymmetric) coroutine. The difference between a coroutine and ...
Create numpy matrix filled with NaNs
...in NumPy 1.8+
a = np.full([height, width, 9], np.nan)
This is pretty flexible and you can fill it with any other number that you want.
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How does variable assignment work in JavaScript?
So I was playing around the other day just to see exactly how mass assignment works in JavaScript.
7 Answers
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Limit labels number on Chart.js line chart
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Try adding the options.scales.xAxes.ticks.maxTicksLimit option:
xAxes: [{
type: 'time',
ticks: {
autoSkip: true,
maxTicksLimit: 20
}
}]
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Rails 4 multiple image or file upload using carrierwave
...ass="field">
<%= f.label :title %><br>
<%= f.text_field :title %>
</div>
<%= f.fields_for :post_attachments do |p| %>
<div class="field">
<%= p.label :avatar %><br>
<%= p.file_field :avatar, :multiple => tru...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ation/json
{ "foo" : "bar", "name" : "John" }
If you submit this per AJAX the browser simply shows you what it is submitting as payload body. That’s all it can do because it has no idea where the data is coming from.
If you submit a HTML-Form with method="POST" and Content-Type: application/x-...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ut LC_ALL=C python3 -c 'import sys; print(sys.stdout.encoding)' gives ANSI_X3.4-1968 (or perhaps something else)
– Tino
Sep 27 '15 at 23:01
7
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Big O, how do you calculate/approximate it?
...
I'll do my best to explain it here on simple terms, but be warned that this topic takes my students a couple of months to finally grasp. You can find more information on the Chapter 2 of the Data Structures and Algorithms in Java book.
There ...
SQL Logic Operator Precedence: And and Or
...nd b
is not the same as
Where a1 Or a2 And b,
because that would be Executed as
Where a1 Or (a2 And b)
and what you want, to make them the same, is the following (using parentheses to override rules of precedence):
Where (a1 Or a2) And b
Here's an example to illustrate:
Declare @x tin...