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Integrating the ZXing library directly into my Android application
...helpful. But can u also provide the code, where the reverse can be done. I mean, convert the QR code back to the String?
– Shaon Hasan
May 15 '14 at 15:31
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Is it necessary to explicitly remove event handlers in C#
...can you briefly elaborate on or preferably refer to an example of what you mean by "but the subscribers don't want to be"?
– Peter McG
Feb 3 '09 at 7:12
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node.js global variables?
...e of readability. If your program promiscuously uses global variables, it means that in order to understand the code, I must understand the dynamic runtime state of the entire app. This is why programmers are leery of globals. I'm sure there's dozens of ways to use them effectively, but we've mos...
JavaScript to scroll long page to DIV
... The simplicity of this is awesome.
– MeanMatt
Aug 29 '12 at 5:02
4
For people loo...
Giving a border to an HTML table row,
... people have mentioned, you can do this via an id, or class, or some other means if you wish.
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Which kind of pointer do I use when?
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I did not mean reference to pointer, but rather reference instead of pointer. If there is no ownership, unless you need resettability (or nullability, but nullability without being able to reset would be quite limited) you can use a pl...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
... precision as a double and to provide a superset of values over that type (meaning at least those values, not necessarily more values).
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Remove a git commit which has not been pushed
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There are two branches to this question (Rolling back a commit does not mean I want to lose all my local changes):
1. To revert the latest commit and discard changes in the committed file do:
git reset --hard HEAD~1
2. To revert the latest commit but retain the local changes (on disk) do:
g...
Maven command to list lifecycle phases along with bound goals?
... 3 will build a model of the whole build before actually starting it. That means that you can examine (and print) the hooks without running the commands.
– Aaron Digulla
Mar 10 '10 at 8:24
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Calling a JavaScript function named in a variable [duplicate]
... function belongs to, it belongs to the global scope. In the browser, that means you're hanging it on the object named "window," which is where globals live.
Arrays and objects are intimately related. (Rumor is they might even be the result of incest!) You can often substitute using a dot . rather t...