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Using ZXing to create an Android barcode scanning app [duplicate]

... The ZXing project provides a standalone barcode reader application which — via Android's intent mechanism — can be called by other applications who wish to integrate barcode scanning. The easiest way to do this is to call the ZXing SCAN Intent from yo...
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(HTML) Download a PDF file instead of opening them in browser when clicked

... of downvotes. I assume part of that is that this was answered 4 years ago and as Sarim points out, there is now the HTML 5 download attribute that can handle this. I agree, and think Sarim's answer is good (it probably should be the chosen answer if the OP ever returns). However, this answer is s...
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How to set username and password for SmtpClient object in .NET?

...of the constructor, one uses info from web.config, one specifies the host, and one the host and port. But how do I set the username and password to something different from the web.config? We have the issue where our internal smtp is blocked by some high security clients and we want to use their smt...
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop

...or blink browsers slice() is the fastest method, concat() is a bit slower, and while loop is 2.4x slower. for other browsers while loop is the fastest method, since those browsers don't have internal optimizations for slice and concat. This remains true in Jul 2016. Below are simple scripts that ...
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HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi

I'm a beginner in WCF, but trying to improve my experience. And on the first step I faced the problem. I created the simplest WCF service. The listing of code: (all the code in one file) ...
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Python Requests and persistent sessions

...n 2.5). I have figured out how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests. Can someone fill in the ellipsis in the code below or suggest another approach? ...
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Null check in an enhanced for loop

...ecause an empty list won't fail. If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this: for( Object o : safe( list ) ) { // do whatever } And of course safe would be: public static List safe( List other ) { ret...
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?

... "security" risk. You can get around it by using absolute paths File.expand_path(__FILE__) et al or doing require './filename' (ironically). or by using require_relative 'filename' or adding an "include" directory ruby -I . ... or the same, using irb; $irb -I . ...
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How to check if a user is logged in (how to properly use user.is_authenticated)?

...ng. I need to check if the current site user is logged in (authenticated), and am trying: 6 Answers ...
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project

... you set the library correctly. Sometimes the lib folder consists of a x86 and a x64 folder. You have to set it to one of those (depending on your compiler) rather than the folder containing both. – M4st3rM1nd Apr 28 '13 at 22:56 ...