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How to set radio button checked as default in radiogroup?
...do that without ids of your buttons, but please not by using setChecked() One way would be radiogroup.check(((RadioButton)radioGroup.getChildAt(INDEX)).getId()) or something like that
– Sprigg
Apr 29 '13 at 13:05
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Is there a way to get a collection of all the Models in your Rails app?
...ook at the comments and other answers. There are smarter answers than this one! Or try to improve this one as community wiki.
Models do not register themselves to a master object, so no, Rails does not have the list of models.
But you could still look in the content of the models directory of your...
Can't start Eclipse - Java was started but returned exit code=13
...bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse (32-bit only)
64-bit OS, 32-bit JDK, 32-bit Eclipse
64-bit OS, 64-bit JDK, 64-bit Eclipse (64-bit only)
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How to create a MySQL hierarchical recursive query
... if the pv string would for some reason yield a falsy value.
All in all, one may find these assumptions too risky to rely on. The documentation warns:
you might get the results you expect, but this is not guaranteed [...] the order of evaluation for expressions involving user variables is und...
Omitting the second expression when using the if-else shorthand
...worried about file size, just create a minified version of it with help of one of the many JS compressors. (e.g Google's Closure Compiler)
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Constructor initialization-list evaluation order
...nts. I had assumed that they were constructed in the order listed, but in one case it appears they were being constructed in reverse resulting in an abort. When I reversed the arguments the program stopped aborting. This is an example of the syntax I'm using. The thing is, a_ needs to be initiali...
Throwing the fattest people off of an overloaded airplane.
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One way would be to use a min heap (std::priority_queue in C++). Here's how you'd do it, assuming you had a MinHeap class. (Yes, my example is in C#. I think you get the idea.)
int targetTotal = 3000;
int totalWeight = 0;
/...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...thon installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, but less flexible.
In Unix, an executable file that's meant to be interpreted can indicate what interpreter t...
Refactoring in Vim
...ardly ever do it when I am coding but I may try to do it when editing some one else's source. How do you accomplish such a trivial task across multiple files in Vim?
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How do I assign a port mapping to an existing Docker container?
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worked for me, just one thing if using docker app on mac, follow instructions here to get to /var/lib/docker/containers folder: stackoverflow.com/a/41226917/2048266, basically run screen ~/Library/Containers/com.docker.docker/Data/com.docker.dri...