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Why does base64 encoding require padding if the input length is not divisible by 3?

...e to recover the original data because information about the number of odd bytes at the end of each individual sequence is lost. However, if padded sequences are used, there's no ambiguity, and the sequence as a whole can be decoded correctly. Edit: An Illustration Suppose we have a program that b...
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Indenting #defines

...before it) were clear about the sequence of operations performed logically by the compiler. In particular, I believe it means that this code: /* */ # /* */ include /* */ <stdio.h> /* */ is equivalent to: #include <stdio.h> For better or worse, GCC 3.4.4 with '-std=c89 -pedantic' a...
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HTTP error 403 in Python 3 Web Scraping

...gent': 'Mozilla/5.0'}) webpage = urlopen(req).read() This works for me. By the way, in your code you are missing the () after .read in the urlopen line, but I think that it's a typo. TIP: since this is exercise, choose a different, non restrictive site. Maybe they are blocking urllib for some re...
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?

...bile developers. Yes, you heard it right. Mobile Project has been launched by Oracle to support JDK on all major mobile platforms. It should support JavaFX as well ;) How to get started If you are not the DIY kind, I would suggest to install the IDE plugin on your favourite IDE and get started. ...
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Why does integer overflow on x86 with GCC cause an infinite loop?

... @Cheersandhth.-Alf, by 'on x86 CPUs' I mean 'when you're developing for x86 CPUs using a C compiler'. Do I really need to spell it out? Obviously all my talk about compilers and GCC is irrelevant if you're developing in assembler, in which case ...
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Retain precision with double in Java

...-Point Types, Formats, and Values of the Java Language Specification. The byte, char, int, long types are fixed-point numbers, which are exact representions of numbers. Unlike fixed point numbers, floating point numbers will some times (safe to assume "most of the time") not be able to return an ex...
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Get login username in java

... Trying to get the username is by definition platform-specific. A JVM running on a single-user system might not have a username at all. – Chinmay Kanchi Feb 18 '10 at 16:58 ...
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Android studio - Failed to find target android-18

... was installed, but I think Android Studio didn't detect it. I've resolved by uninstalling and reinstalling SDK and Studio. – RobertoAV96 Sep 29 '13 at 11:04 3 ...
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?

...rks and is pretty simple too. (In this case it could be further simplified by removing the unused body and request params.) – Jonik Apr 27 '13 at 9:18 add a comment ...
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How can I copy the content of a branch to a new local branch?

...th Git 2.15 (Q4 2017), "git branch" learned "-c/-C" to create a new branch by copying an existing one. See commit c8b2cec (18 Jun 2017) by Ævar Arnfjörð Bjarmason (avar). See commit 52d59cc, commit 5463caa (18 Jun 2017) by Sahil Dua (sahildua2305). (Merged by Junio C Hamano -- gitster -- in comm...