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How to use Active Support core extensions

... up loading a lot of unneeded stuff with a simple require 'activesupport'. Now we have to do things like require 'active_support/core_ext/object/blank' If you don't care about granularity, you can choose to load bigger chunks. If you want everything in one big gulp use... For 1.9.2: rvm 1.9.2 ...
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How to remove a web site from google analytics

... edited Dec 25 '15 at 10:24 JinSnow 1,10344 gold badges2121 silver badges4141 bronze badges answered Sep 11 '13 at 16:53 ...
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How to discard all changes made to a branch?

...tried git reset --hard HEAD^ and it still left a bunch of untracked files. Now to google how to remove them in one simple command. – John Deighan Apr 3 '18 at 14:02 add a comm...
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How to convert a JSON string to a Map with Jackson JSON

..., from many years ago, seems to be helpful and is still getting upvotes, I now use the GSON library from Google, which I find to be more intuitive. I've got the following code: public void testJackson() throws IOException { ObjectMapper mapper = new ObjectMapper(); File from = new File("a...
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Why are elementwise additions much faster in separate loops than in a combined loop?

...'ll notice both loops are faster. Furthermore, the second (double) loop is now the slower one as you would normally expect. As @Stephen Cannon points out in the comments, there is a very likely possibility that this alignment causes false aliasing in the load/store units or the cache. I Googled ar...
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What's the right way to pass form element state to sibling/parent elements?

... updating the state in the Root component and re-rendering, C2's props are now in sync since the state was updated in the Root component and passed along. class Example extends React.Component { constructor (props) { super(props) this.state = { data: 'test' } } render () { return ...
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How to use relative/absolute paths in css URLs?

...d I created a dynamic css, (e.g. www.mysite.com/css.php) it's the same but now i could use my php constants in the css. somethig like .icon{ background-image:url('<?php echo BASE_IMAGE;?>icon.png'); } and it's not a bad idea to make it dynamic because now i could compress it using YUI com...
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

... from here ORA-00054: resource busy and acquire with NOWAIT specified You can also look up the sql,username,machine,port information and get to the actual process which holds the connection SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME, S.MACHINE,S.PORT...
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Execute command without keeping it in history [closed]

... But now this thread is a real mess! in this case, especially for such an old question, I believe it's better that you edit already existing good answers, and/or leave a comment… – gniourf_gniourf ...
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Is there a way to do method overloading in TypeScript?

... { someMethod(numberParameter: number, stringParameter: string): void { Now even in languages that support overloads with separate implementations (note: TypeScript overloads share a single implementation) - programmers are advices to provide consistency in ordering. This would make the signature...