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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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Returning a boolean from a Bash function

... 10 Answers 10 Active ...
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Browsers' default CSS for HTML elements

... { margin: 8px } h1 { font-size: 2em; margin: .67em 0 } h2 { font-size: 1.5em; margin: .75em 0 } h3 { font-size: 1.17em; margin: .83em 0 } h4, p, blockquote, ul, fieldset, form, ol, dl, dir, menu { margin: 1.12em 0 } h5 { font-...
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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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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

... As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array. There is a helpful function for doing the first example I gave, n...
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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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Adding gif image in an ImageView in android

... 80 First, copy your GIF image into Asset Folder of your app create following classes and paste the ...
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Which regular expression operator means 'Don't' match this character?

...) will match anything but word characters; similarly, [\d] will match the 0-9 digits while [\D] matches anything but the 0-9 digits, and so on. If you use PHP you can take a look at the regex character classes documentation. ...
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Generate random string/characters in JavaScript

...aracter string composed of characters picked randomly from the set [a-zA-Z0-9] . 77 Answers ...
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Git diff against a stash

... answered Oct 6 '11 at 16:50 AmberAmber 421k7070 gold badges575575 silver badges516516 bronze badges ...