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What is the purpose of the var keyword and when should I use it (or omit it)?
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If you're in the global scope then there's not much difference. Read Kangax's answer for explanation
If you're in a function then var will create a local variable, "no var" will look up the scope chain until it finds the variable or hits the global scope (at which point it will create it...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...en addressed by the AWS staff in the link (https://forums.aws.amazon.com/thread.jspa?threadID=114646) below, commented by @Jeff-Atwood.
From the linked thread, it is advised, as a workaround, to use a Query String for differentiating between calls from different domains. I'll reproduce the shortene...
Defining a HTML template to append using JQuery
...offers a jQuery solution, similar to the one below.
Browsers and screen readers ignore unrecognized script types:
<script id="hidden-template" type="text/x-custom-template">
<tr>
<td>Foo</td>
<td>Bar</td>
<tr>
</script>
Us...
Is the creation of Java class files deterministic?
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@GaborSch: you already have a perfectly fine example of such a situation, so some additional view on the problem was in order. There's no sense in duplicating your work.
– Joachim Sauer
Feb 21 '13 at 9:0...
Is there a performance difference between i++ and ++i in C++?
...es t get updated if you're incrementing this. Weren't the values of this already copied into t?
– rasen58
Nov 11 '17 at 3:37
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What does Ruby have that Python doesn't, and vice versa?
... Ruby:
>> PI = 3.14
=> 3.14
>> PI += 1
(irb):2: warning: already initialized constant PI
=> 4.14
Python:
>>> PI = 3.14
>>> PI += 1
>>> PI
4.1400000000000006
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Disadvantages of Test Driven Development? [closed]
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If you want to do "real" TDD (read: test first with the red, green, refactor steps) then you also have to start using mocks/stubs, when you want to test integration points.
When you start using mocks, after a while, you will want to start using Dependenc...
Websocket API to replace REST API?
...me at them. I don't have any yet, but hope to soon.
Below is a list of to-read-later links that I've been collecting. I can't vouch that they are all worthwhile, as I've only skimmed many of them. But hopefully some will help.
Great tutorial on using Socket.IO with Express. It exposes express se...
How to sign an android apk file
...xport Wizard and your application will be compiled,
signed, aligned, and ready for
distribution.
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To ARC or not to ARC? What are the pros and cons? [closed]
...RC also != just auto releasing everything, as you suggest in your comment. Read the docs
It's awesome once you realise how much manual reference management you were doing
Use it!
One drawback - maintaining old, non-arc code suddenly becomes very tedious.
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