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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La

...blem has been bugging me again. The simple truth is, atob doesn't really handle UTF8-strings - it's ASCII only. Also, I wouldn't use bloatware like js-base64. But webtoolkit does have a small, nice and very maintainable implementation: /** * * Base64 encode / decode * http://www.webtoolkit.inf...
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Float right and position absolute doesn't work together

... Thanks for your help. I use left:50% and margin-left:-??px (?? depend on your div width) – trbaphong Jul 4 '12 at 20:46 ...
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How do I initialize a TypeScript object with a JSON object

...hots at this to show a few different ways. They are by no means "complete" and as a disclaimer, I don't think it's a good idea to do it like this. Also the code isn't too clean since I just typed it together rather quickly. Also as a note: Of course deserializable classes need to have default const...
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Purpose of asterisk before a CSS property

...immediately before a property name, the property will be applied in IE and not in other browsers. Unlike with the hyphen and underscore method, the CSS specification makes no reservations for the asterisk as a prefix, so use of this hack could result in unexpected behavior as the CSS...
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Modular multiplicative inverse function in Python

Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this. ...
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO

...character vectors to datetime classes. I often see 2 methods, the strptime and the as.POSIXct/as.POSIXlt methods. I looked at the 2 functions but am unclear what the difference is. ...
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The calling thread cannot access this object because a different thread owns it

... answered Mar 16 '12 at 6:22 CandideCandide 27.3k66 gold badges4949 silver badges5757 bronze badges ...
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How to programmatically get iOS status bar height

I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
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Can I install/update WordPress plugins without providing FTP access?

... has write access to the necessary files, it will take care of the updates and installation automatically. This method does not require you to have FTP/SFTP or SSH access, but it does require your to have specific file permissions set up on your webserver. It will try various methods in order, and ...
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Find the last element of an array while using a foreach loop in PHP

... $numItems = count($arr) trick is not needed and reduces readability - in PHP there is no performance penalty for accessing count($arr) each time. The reason is that items count is internally saved as special field in the array header and is not calculated on-the-fly. T...