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How to get Linux console window width in Python
Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window.
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...hat will become IEnumerable<out T>. That doesn't hurt type safety at all, but lets you return an IEnumerable<string> from a method declared to return IEnumerable<object> for instance.
Contravariance is harder to give concrete examples for using interfaces, but it's easy with a del...
MySQL Creating tables with Foreign Keys giving errno: 150
... CONSTRAINT's ON DELETE rule is SET NULL make sure the foreign key can actually be NULL! I spent 30 minutes reading this answer over and over, making sure my tables met the conditions but still getting Error 150. Then I noticed my FK was a NOT NULL field meaning the rule was impossible to apply.
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Byte[] to InputStream or OutputStream
...it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do this conversion?
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jQuery - multiple $(document).ready …?
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All will get executed and On first Called first run basis!!
<div id="target"></div>
<script>
$(document).ready(function(){
jQuery('#target').append('target edit 1<br>');
});
$(document).rea...
How to export JavaScript array info to csv (on client side)?
...ure but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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jQuery ui dialog change title after load-callback
...m an UI Dialog after i have submitted a form in this UI Dialog. So in the callback-function after load i should suggest, but i've tried and googled without result.
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How to compile a static library in Linux?
...:
target: prerequisites - the rule head
$@ - means the target
$^ - means all prerequisites
$< - means just the first prerequisite
ar - a Linux tool to create, modify, and extract from archives see the man pages for further information. The options in this case mean:
r - replace files existing...
Formatting a number with exactly two decimals in JavaScript
...35"
You can alternatively use the toLocaleString method, which internally will use the Intl API:
const format = (num, decimals) => num.toLocaleString('en-US', {
minimumFractionDigits: 2,
maximumFractionDigits: 2,
});
console.log(format(2.005)); // "2.01"
console.log(format...
Adding a column to a data.frame
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@RomanLuštrik, This solution can be rewritten really nicely in a single line. Using your your.df data, you can simply do your.df$group = cumsum(your.df[, 1]==1) to get your new group column.
– A5C1D2H2I1M1N2O1R2T1
Apr 16 '12 at 17:47
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