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Rails: How can I set default values in ActiveRecord?
...please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15)
Therefore I'd say write an after_initialize callback, which lets you default attributes in addition to letting you set defaults on associations like so:
class Person < ActiveRecord::Base
...
How to use OpenFileDialog to select a folder?
...ember as a user I was blaming these poor programmers that made yet another app with this awful tree view dialog (which is just the FolderBrowserDialog). It is completely unusable: a bunch of root dirs, a missing favorites panel, and the most horrible — you can't even paste a path there! And now as...
How to get Ruby / Homebrew / RVM to work on Yosemite?
...t permitted" because of the rootless mode. You can find a workaround here: apple.stackexchange.com/questions/196224/…
– Jorge Ortiz
Feb 16 '16 at 10:17
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How to include another XHTML in XHTML using JSF 2.0 Facelets?
...real world examples of advanced Facelets templating, check the src/main/webapp folder of Java EE Kickoff App source code and OmniFaces showcase site source code.
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Use Visual Studio web.config transform for debugging [duplicate]
...e builds on a particular configuration he wants a specific transform to be applied to web.config. So obviously you do not want to maintain a web.config file, because it is going to be overwritten.
So what we need to do is to create a new file web.template.config, which is just a copy of web.config. ...
How to call C from Swift?
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Yes, you can of course interact with Apples C libraries. Here is explained how.
Basically, the C types, C pointers, etc are translated into Swift objects, for example a C int in Swift is a CInt.
I've build a tiny example, for another question, which can be use...
How can I check if an argument is defined when starting/calling a batch file?
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:end
pause
✨ other stuff..✨
■ in %~1 - the ~ removes any wrapping " or '.
■ in %~s1 - the s makes the path be DOS 8.3 naming, which is a nice trick to avoid spaces in file-name while checking stuff (and this way no need to wrap the resource with more "s.
■ the ["%~1"]==[""] "can ...
Gridview height gets cut
...verticalSpacing="20dp" />
Lastly you just need to ask it to expand:
mAppsGrid = (ExpandableHeightGridView) findViewById(R.id.myId);
mAppsGrid.setExpanded(true);
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What package naming convention do you use for personal/hobby projects in Java?
...main name (ie. using com.john as your package name just because your name happens to be John is not a good idea).
If you're going to give the code to anybody else, you should use a globally unique package name, which according to Java conventions means you should register and use a domain name.
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How to set a value of a variable inside a template code?
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Create a template tag:
The app should contain a templatetags directory, at the same level as models.py, views.py, etc. If this doesn’t already exist, create it - don’t forget the __init__.py file to ensure the directory is treated as a Python packa...