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Android : difference between invisible and gone?
...to init it as View.VISIBLE or View.INVISIBLE to render it (draw it) in the screen, and then handle it.
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What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
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Definitions:
Frame Layout: This is designed to block out an area on the screen to display a single item.
Linear Layout: A layout that arranges its children in a single column or a single row.
Relative Layout: This layout is a view group that displays child views in relative positions.
Table Layou...
When do I use the PHP constant “PHP_EOL”?
...rom cron and you needed to output something and have it be formatted for a screen.
You might use it if you are building up an email to send that needed some formatting.
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What's the UIScrollView contentInset property for?
...good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll replicate it via text here:
_|←_cW_→_|_↓_
| |
---------------
|content| ↑
↑ |content| contentInset.top
cH |content|
↓ |content| contentInset.bottom
|content| ↓
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How to delete and replace last line in the terminal using bash?
...psed seconds in bash. For this, I need to erase the last line shown on the screen (command "clear" erases all the screen, but I need to erase only the line of the progress bar and replace it with the new information).
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How to write log to file
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I usually print the logs on screen and write into a file as well. Hope this helps someone.
f, err := os.OpenFile("/tmp/orders.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()...
How to scale an Image in ImageView to keep the aspect ratio
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See also how-to-scale-bitmap-to-screen-size
– ThomasRS
Jan 11 '12 at 16:40
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Android Preferences: How to load the default values when the user hasn't used the preferences-screen
I am using a PreferenceActivity to let the user set some values.
I am feeding it the xml file with the defined preferences.
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eclipse won't start - no java virtual machine was found
...ndows
Windows 8
Drag the Mouse pointer to the Right bottom corner of the screen
Click on the Search icon and type: Control Panel
Click on -> Control Panel -> System -> Advanced
Click on Environment Variables, under System Variables, find PATH, and click on it.
In the Edit windows, mod...
What is ViewModel in MVC?
... to application...
return View(model);
}
Which produces this result (screen is taken after submitting form, with validation messages):
As you can see, a view model has many roles:
View models documents a view by consisting only fields, that are represented in view.
View models may contain...