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Overriding id on create in ActiveRecord
... is just attr_protected, which is why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to Activ...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
What encoding/code page is cmd.exe using?
When I open cmd.exe in Windows, what encoding is it using?
6 Answers
6
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What are detached, persistent and transient objects in hibernate?
...e detached, persistent and transient objects in hibernate? Please explain with an example.
5 Answers
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What is “(program)” in Chrome debugger’s profiler?
...
(program) is Chrome itself, the root of the tree calling all other code...it's there because the jump from native code to JavaScript, resource loading, etc. has to start somewhere :)
You can see examples of the treeview in the Chrome developer ...
SparseArray vs HashMap
I can think of several reasons why HashMap s with integer keys are much better than SparseArray s:
7 Answers
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How to use executables from a package installed locally in node_modules?
...h is more convenient.
OLD ANSWER for versions before 5.2.0:
The problem with putting
./node_modules/.bin
into your PATH is that it only works when your current working directory is the root of your project directory structure (i.e. the location of node_modules)
Independent of what your working...
windowSoftInputMode=“adjustResize” not working with translucent action/navbar
I have problems with the translucent actionbar/navbar in the new Android KitKat (4.4) and the windowSoftInputMode="adjustResize" .
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Is it OK to use == on enums in Java?
Is it OK to use == on enums in Java, or do I need to use .equals() ? In my testing, == always works, but I'm not sure if I'm guaranteed of that. In particular, there is no .clone() method on an enum, so I don't know if it is possible to get an enum for which .equals() would return a diffe...
HashMap to return default value for non-found keys?
Is it possible to have a HashMap return a default value for all keys that are not found in the set?
14 Answers
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