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Disable Auto Zoom in Input “Text” tag - Safari on iPhone

...t-size for form elements is 11px (at least in Chrome and Safari). Additionally, the select element needs to have the focus pseudo-class attached. input[type="color"], input[type="date"], input[type="datetime"], input[type="datetime-local"], input[type="email"], input[type="month"], input[type="num...
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Unix command to find lines common in two files

... @ferdy (Repeating my comment from your answer, as yours is essentially a repeated answer posted as a comment) grep does some weird things you might not expect. Specifically, everything in 1.txt will be interpreted as a regular expression and not a plain string. Also, any blank line in 1.txt...
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Constructor overloading in Java - best practice

...onstructors as simple as possible, and the simplest way is that they only call this(...). That way you only need to check and handle the parameters once and only once. public class Simple { public Simple() { this(null); } public Simple(Resource r) { this(r, null); ...
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What is the difference between atan and atan2 in C++?

... std::atan2 allows calculating the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4. share | ...
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How does Go update third-party packages?

... go get will install the package in the first directory listed at GOPATH (an environment variable which might contain a colon separated list of directories). You can use go get -u to update existing packages. You can also use go get -u all t...
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Embed SVG in SVG?

...nteresting observation: the latest versions of Firefox, Chrome, and Safari all show only one level of recursion (two dots) using the above. However, if you save the above as "a.svg" and change the image to "b.svg", and then also save it as "b.svg" with the image referencing "a.svg", then Firefox wil...
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Array vs. Object efficiency in JavaScript

...an array, too: var a3 = []; a3[29938] = "a"; a3[32994] = "b"; It's basically an array with holes in it, because every array does have continous indexing. It's slower than arrays without holes. But iterating manually through the array is even slower (mostly). This is an object: var a3 = {}; a3[2...
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How to round up to the nearest 10 (or 100 or X)?

...en just define: roundUp <- function(x) 10^ceiling(log10(x)) This actually also works when x is a vector: > roundUp(c(0.0023, 3.99, 10, 1003)) [1] 1e-02 1e+01 1e+01 1e+04 ..but if you want to round to a "nice" number, you first need to define what a "nice" number is. The following lets us...
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How to delete an old/unused Data Model Version in Xcode

...d the .xcdatamodeld file to your project This eliminates the need to manually modify any of the project metadata files. share | improve this answer | follow ...
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How to replace a string in multiple files in linux command line

...is appended to the old file names. So sed -i .bak 's/foo/bar/g' *.xx moves all .xx files to the equivalent .xx.bak name and then generates the .xx files with the foo→bar substitution. – Anaphory Oct 4 '14 at 22:35 ...