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What Every Programmer Should Know About Memory?

...y fast, but page-splits still hurt (much less on Skylake, though; only ~11 extra cycles latency vs. 100, but still a throughput penalty). As Ulrich predicted, every multi-socket system is NUMA these days: integrated memory controllers are standard, i.e. there is no external Northbridge. But SMP ...
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Favicons - Best practices

...e-320x460.png Total Overhead If you take out the comments that's 3KB of extra HTML, if you don't support splash screens that's 1.5KB. If you are using GZIP compression on your HTML content, which everyone should be doing these days, that leaves you with about 634 Bytes of overhead per request to ...
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How and/or why is merging in Git better than in SVN?

...in Git, and then check the result in, perhaps using multiple commits, some extra branches. If you can imagine an automated way to turn an SVN problem into a Git problem, then Git has no fundamental advantage. At the end of the day, any version control system will let me 1. Generate a set of object...
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How to add a browser tab icon (favicon) for a website?

...e-320x460.png Total Overhead If you take out the comments that's 3KB of extra HTML, if you don't support splash screens that's 1.5KB. If you are using GZIP compression on your HTML content, which everyone should be doing these days, that leaves you with about 634 Bytes of overhead per request to ...
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

... great answers from others that cover a lot of ground. Here's a little bit extra. The only advantage of WebSockets over plugins like Java Applets, Flash or Silverlight is that WebSockets are natively built into browsers and does not rely on plugins. If by this you mean that you can use Java Ap...
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Are the decimal places in a CSS width respected?

...r. While they do round up visually by themselves, they also don't take up extra space when put next to other fractionally dimensioned elements: cssdesk.com/8R2rB – Sandy Gifford Apr 7 '14 at 16:56 ...
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]

...on. A better suggestion would be a bigger and more explicit banner, not an extra tab. Stop thinking about this problem from an experienced developer or superuser's perspective that has mastered keyboard shortcuts. My mom wouldn't care, or more explicitly, won't understand keyboard shortcuts, and thi...
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What does do?

...the IE version a website has been designed, MS requested developers to add extra data (X-UA-Compatible) in their pages. IE6 is still used in 2016 Nowadays, IE6 is still used (0.7% in 2016) (4.5% in January 2014), and some internet websites are still IE6-only-compliant. Some intranet website/applic...
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What is the difference between bottom-up and top-down?

...ack size limit in languages which allow it, or 2) eat a constant factor of extra work to virtualize your stack (ick), or 3) program in continuation-passing style, which in effect also virtualizes your stack (not sure the complexity of this, but basically you will effectively take the deferred call c...
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Best architectural approaches for building iOS networking applications (REST clients)

...t for particular service classes, but if you ,for some reasons, don't want extra copies or you are sure that you always will use one particular instance (without customisations) of the APIClient - make it a singleton, but DON'T, please DON'T make service classes as singletons. Then each view contr...