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In Ruby how do I generate a long string of repeated text?
What is the best way to generate a long string quickly in ruby? This works, but is very slow:
2 Answers
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How to format a float in javascript?
In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
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How to convert a boolean array to an int array
I use Scilab, and want to convert an array of booleans into an array of integers:
6 Answers
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Javascript seconds to minutes and seconds
This is a common problem but I'm not sure how to solve it. The code below works fine.
27 Answers
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How assignment works with Python list slice?
Python doc says that slicing a list returns a new list.
Now if a "new" list is being returned I've the following questions related to "Assignment to slices"
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Center image horizontally within a div
This is probably a stupid question but since the usual ways of center aligning an image are not working I thought I would ask. How can I center align (horizontally) an image inside its container div?
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How to convert an integer to a string in any base?
Python allows easy creation of an integer from a string of a given base via
27 Answers
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将被包含在主窗口之下。在主窗口内的标题为LINGO Model – LINGO1的窗口是LINGO的默认模型窗口,建立的模型都都要在该窗口内编码实现。下面举两个例子。
例1.1 如何在LINGO中求解如下的LP问题:
在模型窗口中输入如下代码:...
How to send a simple string between two programs using pipes?
I tried searching on the net, but there are hardly any resources. A small example would suffice.
7 Answers
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Evenly distributing n points on a sphere
I need an algorithm that can give me positions around a sphere for N points (less than 20, probably) that vaguely spreads them out. There's no need for "perfection", but I just need it so none of them are bunched together.
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