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What is the difference between a weak reference and an unowned reference?

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What's the best way of scraping data from a website? [closed]

.../) are popular tools. I use mitmproxy (http://mitmproxy.org/) a lot as I'm more of a keyboard guy than a mouse guy. Some kind of console/shell/REPL type environment where you can try out various pieces of code with instant feedback will be invaluable. Reverse engineering tasks like this are a lot o...
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jQuery .data() does not work, but .attr() does

Forgive me for not being more specific on this. I have such a strange bug. After the doc loads, I loop some elements that originally have data-itemname="" , and I set those values using .attr("data-itemname", "someValue") . ...
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Check if an array contains any element of another array in JavaScript

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pandas GroupBy columns with NaN (missing) values

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How To fix white screen on app Start up?

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Android splash screen image sizes to fit all devices

...n the device. So you basically have to design 4 different images (although more can be developed for different formats such as widescreen, portrait/landscape mode, etc). With that in mind know this: unless you design a screen for every single resolution that is used in Android, your image will stre...
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?

...e not returned by the command:   Making the Triple-Dot Commit Range ... More Useful You can make the triple-dot commit range ... more useful in a log command by using the --left-right option to show which commits belong to which branch: $ git log --oneline --decorate --left-right --graph master...
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How to format a JavaScript date

...en-US": For English "hi-IN": For Hindi "ja-JP": For Japanese You can use more language options. For example var options = { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' }; var today = new Date(); console.log(today.toLocaleDateString("en-US")); // 9/17/2016 console.lo...
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How to effectively work with multiple files in Vim

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