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How can I get seconds since epoch in Javascript?

... Re: arcane magic: Per these docs, Javascript knows how to convert a Date object to a Number. This means that you can type Number(new Date()) to get a number, or even +(new Date()), or use any Date instance in a numerical context such as new Date()/1000 and Javascript wi...
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How to get list of all installed packages along with version in composer?

... The '-i' option is now deprecated. composer show lists installed package by default. – herve Jul 21 '16 at 15:20 ...
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Using Gulp to Concatenate and Uglify files

... Coming from grunt it was a little confusing at first but it makes sense now. I hope it helps the gulp noobs. And, if you need sourcemaps, here's the updated code: var gulp = require('gulp'), gp_concat = require('gulp-concat'), gp_rename = require('gulp-rename'), gp_uglify = require(...
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Generate random 5 characters string

...cdefghijklmnopqrstuvwxyz"; $base = strlen($charset); $result = ''; $now = explode(' ', microtime())[1]; while ($now >= $base){ $i = $now % $base; $result = $charset[$i] . $result; $now /= $base; } return substr($result, -5); } Note: incremental means easier to guess; If...
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scipy.misc module has no attribute imread?

... It should be Pillow instead of PIL now. Reference: pillow.readthedocs.org – Yuchen Zhong Nov 23 '14 at 23:45 ...
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How can I generate Unix timestamps?

...1970-01-01 00:00:00 UTC. (GNU Coreutils 8.24 Date manual) Example output now 1454000043. share | improve this answer | follow | ...
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Why doesn't the height of a container element increase if it contains floated elements?

...ce blank --> <div style="clear: both;"></div> <!-- Now in order to prevent the next div from floating beside the top ones, we use `clear: both;`. This is like a wall, so now none of the div's will be floated after this point. The container height will now also...
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Generate a random point within a circle (uniformly)

...gle we just fold any points that appear in ADC back down to ABC along AC. Now consider a circle. In the limit we can think of it as infinitely many isoceles triangles ABC with B at the origin and A and C on the circumference vanishingly close to each other. We can pick one of these triangles simply...
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What is the best way to conditionally apply a class?

...nditionally, like: ng-class="{selected: $index==selectedIndex}" Angular now supports expressions that return an object. Each property (name) of this object is now considered as a class name and is applied depending on its value. However these ways are not functionally equal. Here is an example: ...
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How to perform runtime type checking in Dart?

...c isn't exactly friendly to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/. Here's an example: class Foo { } main() { var foo = new Foo(); if (foo is Foo) { print("it's a foo!"); } } ...