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JOIN queries vs multiple queries

...ase. It depends on a lot of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several. ...
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JavaScript click event listener on class

... This works perfectly. Thank you. I actually didn't realise that jQuery did the looping. Great help Anudeep. Here's your working answer: jsfiddle.net/LWda3/2 – 30secondstosam Oct 29 '13 at 10:33 ...
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Matplotlib plots: removing axis, legends and white spaces

...ite the resulting image, without using axes, labels, titles or anything usually automatically added by matplotlib. Here is what I did: ...
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Passing arrays as parameters in bash

...eing defined with local, because locals are visible to the functions they call. The ! in ${!1} expands the arg 1 variable. declare -a just makes the indexed array explicit, it is not strictly necessary. share | ...
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Is ServiceLocator an anti-pattern?

...re it does not fit, then YES it's an anti pattern. But with that reasoning all patterns would also be anti patterns. Instead we have to look if there are valid usages of the patterns, and for Service Locator there are several use cases. But let's start by looking at the examples that you have given....
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Javascript roundoff number to nearest 0.5

... rounding the num*2 is not working for all case..try any decimal like 15.27 => using your formula will give => 15 where in fact it should have returned 15.5. **** I think using toFixed will be better (num*2).toFixed()/2 – sfdx bomb ...
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Is there “0b” or something similar to represent a binary number in Javascript

... Update: Newer versions of JavaScript -- specifically ECMAScript 6 -- have added support for binary (prefix 0b), octal (prefix 0o) and hexadecimal (prefix: 0x) numeric literals: var bin = 0b1111; // bin will be set to 15 var oct = 0o17; // oct will be set to 15 var...
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Why do stacks typically grow downwards?

I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...
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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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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?

...et the imageEdgeInsets more close to the top, the image stays centered and all works as expected: 26 Answers ...