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BigDecimal - to use new or valueOf

...the primitive wrappers (Integer, Byte, ...) and String are treated: object identity should not matter to your code, only the value should matter. – Joachim Sauer Aug 25 '11 at 8:21 ...
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What does “Content-type: application/json; charset=utf-8” really mean?

... The assumption still holds though, as any valid json will still start with two ascii characters. – Larsing Dec 5 '17 at 13:29 1 ...
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What is the effect of encoding an image in base64?

... a really helpful overview of when to base64 encode and when not to by David Calhoun. Basic answer = gzipped base64 encoded files will be roughly comparable in file size to standard binary (jpg/png). Gzip'd binary files will have a smaller file size. Takeaway = There's some advantage to encoding...
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Java regex capturing groups indexes

..., apart from grouping, will also record the text matched by the pattern inside the capturing group (pattern). Using your example, (.*):, .* matches ABC and : matches :, and since .* is inside capturing group (.*), the text ABC is recorded for the capturing group 1. Group number The whole pattern i...
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Angularjs $q.all

... deferred.resolve(data); }) When you write var deferred= $q.defer(); inside a for loop it's hoisted to the top of the function, it means that javascript declares this variable on the function scope outside of the for loop. With each loop, the last deferred is overriding the previous one, there is...
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Inserting a Link to a Webpage in an IPython Notebook

...e I use in my python notebook when I want to insert a link to a webpage inside a markdown cell (in a python notebook). [Clickable_visible_hyperlink](Hidden_landing_URL) --note Here is the clickable hyperlink, you can change the value ...
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Getting root permissions on a file inside of vi? [closed]

...files, I'll open one with vi and then when I go to save it realize that I didn't type 10 Answers ...
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How unique is UUID?

How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...
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How do I change the formatting of numbers on an axis with ggplot?

...wered Jun 16 '14 at 10:48 Jack AidleyJack Aidley 16k66 gold badges3434 silver badges6666 bronze badges ...
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How can I push to my fork from a clone of the original repo?

... By default, when you clone a repository that resides at https://github.com/original/orirepo.git, whose current branch is called master, then the local config of the resulting clone lists only one remote called origin, which is associated with the URL of the repository ...