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Explanation of JSONB introduced by PostgreSQL
...at least by at 200% when contrasted with mongodb, than one exception right now is a update which requires completely rewriting the entire json column something mongodb handles better.
The gin indexing on on jsonb sounds amazing.
Also postgres will persist types of jsonb internally and basically m...
Count elements with jQuery
...ctionally equivalent, but the former is preferred. In fact, the latter is now deprecated and shouldn't be used in any new development.
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What exactly is Hot Module Replacement in Webpack?
...bubble up" occurs. If it bubbles up to an entry point, the process fails.
Now all invalid modules are disposed (dispose handler) and unloaded. Then the current hash is updated and all "accept" handlers are called. The runtime switches back to the idle state and everything continues as normal.
Wh...
Show DialogFragment with animation growing from a point
...d:windowExitAnimation">@anim/anim_out</item>
</style>
Now add the animation files in the res/anim folder:
( the android:pivotY is the key )
anim_in.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<...
CSS fixed width in a span
...f2">The active goldfish</div><div class="f3"></div>
Now I see you need to use spans and lists, so we need to rewrite this a little bit:
<html><head>
<style type="text/css">
span.f1 { display: block; float: left; clear: left; width: 60px; }
li { l...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...rendering pages exactly 2 times faster than JSP. So speed is not an issue. Now after spending with Velocity few years I will never go back to JSP again. It is so much simpler, lighter and cleaner.
– serg
Jul 3 '10 at 1:21
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Get bitcoin historical data [closed]
... acquired live through bitstamp's pusher API which is what I'm doing right now. After indexing bitstamp for a day, I downloaded the bitstampUSD.csv and prepended the data to have a complete picture
– nurettin
Mar 5 '14 at 17:40
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Why is creating a new process more expensive on Windows than Linux?
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In addition to the answer of Rob Walker:
Nowadays you have things like the Native POSIX Thread Library - if you want.
But for a long time the only way to "delegate" the work in the unix world was to use fork() (and it's still prefered in many, many circumstances).
e...
Why isn't textarea an input[type=“textarea”]?
...ut[type="text"] can take the readonly attribute too. Which is sort of odd, now that you point it out! w3.org/TR/html-markup/input.text.html#input.text.attrs.readonly
– Matt
Jul 10 '14 at 21:29
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Django Forms: if not valid, show form with error message
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yes you got it right now. If you have not rendered the form manually then the errors will automatically shown for each field.
– Aamir Adnan
Feb 1 '13 at 14:00
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