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Convert a float64 to an int in Go

...to an int truncates the float, which if your system internally represent 2.0 as 1.9999999999, you will not get what you expect. The various printf conversions deal with this and properly round the number when converting. So to get a more accurate value, the conversion is even more complicated than...
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How to add leading zeros?

...f digits to begin with, so let's try a harder example of making powers of 10 width 8 too. anim <- 25499:25504 x <- 10 ^ (0:5) paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but ...
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Regex to check whether a string contains only numbers [duplicate]

... Mike SamuelMike Samuel 106k2626 gold badges195195 silver badges228228 bronze badges ...
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PHP append one array to another (not array_push or +)

... | edited Dec 10 '16 at 11:25 Community♦ 111 silver badge answered Nov 24 '10 at 16:16 ...
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How do I represent a hextile/hex grid in memory?

...ex grids also) – amitp Jun 7 '13 at 0:58 I find the blog super confusing, using x,y,z and q,r,s then the implementatio...
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List all indexes on ElasticSearch server?

...oncise list of all indices in your cluster, call curl http://localhost:9200/_aliases this will give you a list of indices and their aliases. If you want it pretty-printed, add pretty=true: curl http://localhost:9200/_aliases?pretty=true The result will look something like this, if your indic...
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

... 107 Someone here suggests that it might be a firewall problem: I have just had this problem and...
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How to update gradle in android studio?

I installed Android Studio 0.1.9. Today I got and update to version 0.2 and of course I updated. After the installation I restarted Android Studio but now I get this message: ...
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How to get a DOM Element from a JQuery Selector

... You can access the raw DOM element with: $("table").get(0); or more simply: $("table")[0]; There isn't actually a lot you need this for however (in my experience). Take your checkbox example: $(":checkbox").click(function() { if ($(this).is(":checked")) { // do stuff ...
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)

... +100 What I did was creating my own Window and Style. Because I like to have control over everything and I didn't want some external libra...