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Integrating the ZXing library directly into my Android application

...ed folder and open the core directory and select core.jar ... hit enter! Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, based on the ZXing source ;) Happ...
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Sending an HTTP POST request on iOS

...t setURL:[NSURL URLWithString:@"http://www.abcde.com/xyz/login.aspx"]]; Now, set HTTP method (POST or GET). Write this lines as it is in your code. [request setHTTPMethod:@"POST"]; Set HTTP header field with length of the post data. [request setValue:postLength forHTTPHeaderField:@"Content-...
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How do I define and use an ENUM in Objective-C?

... that's #imported into your header), because otherwise the compiler won't know what size to make the PlayerState ivar. Other than that, it looks ok to me. share | improve this answer | ...
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Undefined reference to vtable

...ve functionA. The definition for the above functionB. Class C Contains: Now you're writing a Class C in which you are going to derive it from Class A. Now if you try to compile you will get Undefined reference to vtable for Class C as error. Reason: functionA is defined as pure virtual and it...
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NPM global install “cannot find module”

...hy this has made them incapable of finding installed modules. The fix for now is to point NODE_PATH at the right directory: export NODE_PATH=/opt/lib/node_modules My require('promised-io/promise') now succeeds. share ...
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FB OpenGraph og:image not pulling images (possibly https?)

...mage URIs using HTTP work just fine and URIs using HTTPS do not. They have now acknowledged that they are "looking into this." Update: As of 2020, the bug is no longer visible in Facebook's ticket system. They never responded and I don't believe this behavior has changed. However, specifying HTTPS ...
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)

...t key. Because each pizza must have exactly one of each topping type, we know that (Pizza, Topping Type) is a candidate key. We also know intuitively that a given topping cannot belong to different types simultaneously. So (Pizza, Topping) must be unique and therefore is also a candidate key. So...
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How to get the full url in Express?

...'X-Forwarded-Protocol') is set and has the value https, in which case you know that's your protocol The host comes from req.get('host') as Gopal has indicated Hopefully you don't need a non-standard port in your URLs, but if you did need to know it you'd have it in your application state because it...
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How do you print in Sublime Text 2

... This should be the correct answer by now, since it makes the workaround with SublimeHighlight obsolete – klaffenboeck Nov 12 '13 at 11:16 ...
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Authenticate Jenkins CI for Github private repository

...s of the URLs being used, the names and location of the key files, etc. Now for the technical part: How to use your SSH key with Jenkins? If you have, say, a jenkins unix user, you can store your deploy key in ~/.ssh/id_rsa. When Jenkins tries to clone the repo via ssh, it will try to use that k...