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Very large matrices using Python and NumPy
... I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memory requirements.
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CSS: center element within a element
To center an HTML element I can use the CSS left: 50%; . However, this centers the element with respect to the whole window.
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set date in input type date
...ar - month - day as we use in SQL
If the month is 9, it needs to be set as 09 not 9 simply. So it applies for day field also.
Please follow the fiddle link for demo:
var now = new Date();
var day = ("0" + now.getDate()).slice(-2);
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var today = ...
How can I pass a parameter to a setTimeout() callback?
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setTimeout(function() {
postinsql(topicId);
}, 4000)
You need to feed an anonymous function as a parameter instead of a string, the latter method shouldn't even work per the ECMAScript specification but browsers are just lenient. This is the proper solution, don't ever r...
Create batches in linq
...s (MoreLINQ is available as a NuGet package you can install):
int size = 10;
var batches = sequence.Batch(size);
Which is implemented as:
public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(
this IEnumerable<TSource> source, int size)
{
TS...
Annotating text on individual facet in ggplot2
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+50
Typically you'd do something like this:
ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8...
trying to align html button at the center of the my page [duplicate]
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150
Here's your solution: JsFiddle
Basically, place your button into a div with centred text:
<...
Is “inline” without “static” or “extern” ever useful in C99?
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40
Actually this excellent answer also answers your question, I think:
What does extern inline do?...
HTML5 Canvas 100% Width Height of Viewport?
I am trying to create a canvas element that takes up 100% of the width and height of the viewport.
7 Answers
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How can I split a comma delimited string into an array in PHP?
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10 Answers
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