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java get file size efficiently

... 102 Well, I tried to measure it up with the code below: For runs = 1 and iterations = 1 the URL me...
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add column to mysql table if it does not exist

... Note that INFORMATION_SCHEMA isn't supported in MySQL prior to 5.0. Nor are stored procedures supported prior to 5.0, so if you need to support MySQL 4.1, this solution isn't good. One solution used by frameworks that use database migrations is to record in your database a revision numbe...
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How to increase space between dotted border dots

...*/ background-image: linear-gradient(to right, black 33%, rgba(255,255,255,0) 0%); background-position: bottom; background-size: 3px 1px; background-repeat: repeat-x; /*Vertical*/ background-image: linear-gradient(black 33%, rgba(255,255,255,0) 0%); background-position: right; background-size: 1px ...
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What is an example of the simplest possible Socket.io example?

...quests var app = http.createServer(function(req, res) { res.writeHead(200, {'Content-Type': 'text/html'}); res.end(index); }); // Socket.io server listens to our app var io = require('socket.io').listen(app); // Send current time to all connected clients function sendTime() { io.emit('...
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Test if string is a number in Ruby on Rails

...shua Pinter 34k1717 gold badges188188 silver badges208208 bronze badges answered Apr 14 '11 at 10:13 Jakob SJakob S 17.6k33 gold b...
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Twitter Bootstrap modal: How to remove Slide down effect

... | edited Apr 4 '14 at 20:59 digitalextremist 5,75522 gold badges3838 silver badges5858 bronze badges ...
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Comparing date part only without comparing time in JavaScript

... 803 I'm still learning JavaScript, and the only way that I've found which works for me to compare t...
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Sound effects in JavaScript / HTML5

...multiple instances of the Audio object. You could also set snd.currentTime=0 on the object after it finishes playing. Since the JS constructor doesn't support fallback <source> elements, you should use (new Audio()).canPlayType("audio/ogg; codecs=vorbis") to test whether the browser sup...
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Add support library to Android Studio project

...telliJ IDEA, at the same time it relies on gradle to build your apk. As of 0.2.3, these two doesn't play nicely in term of configuring from GUI. As a result, in addition to use the GUI to setup dependencies, it will also require you to edit the build.gradle file manually. Assuming you have a Test P...
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Android: I am unable to have ViewPager WRAP_CONTENT

I have setup a simple ViewPager that has an ImageView with a height of 200dp on each page. 34 Answers ...