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Scala type programming resources
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Rails migration for change column
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@BKSpurgeon Yes, check the documentation here: edgeguides.rubyonrails.org/active_record_migrations.html
– Aboozar Rajabi
Jan 20 '17 at 9:13
add a comme...
How do I scroll the UIScrollView when the keyboard appears?
...h the contentSize.
Following code is copied from the Keyboard Programming Guide, where the handling of this issue is explained. You should have a look into it.
// Call this method somewhere in your view controller setup code.
- (void)registerForKeyboardNotifications
{
[[NSNotificationCenter de...
Difference between “git add -A” and “git add .”
... --update
Further reading:
Git for beginners: The definitive practical guide
Got 15 minutes and want to learn Git? (in an interactive way)
Learn Git Branching
Explain Git With D3
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improv...
What is the parameter “next” used for in Express?
... Although brief, this comment lead me to this: expressjs.com/en/guide/writing-middleware.html
– makstaks
Jul 12 '17 at 4:07
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Error: “Cannot modify the return value” c#
... Here's some more info: docs.microsoft.com/en-us/dotnet/csharp/programming-guide/…
– Artorias2718
Nov 10 '17 at 0:02
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Activity restart on rotation Android
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Note that the Android Dev Guide cautions against using this: Note: Using (android:configChanges) should be avoided and used only as a last-resort. Please read Handling Runtime Changes for more information about how to properly handle a restart due to...
form_for with nested resources
...ller.rb
app/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you wa...
What is the standard naming convention for html/css ids and classes?
...s&html style guide by google, which recommends to always use a hyphen: https://google.github.io/styleguide/htmlcssguide.html#ID_and_Class_Name_Delimiters .
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How to remove an element from an array in Swift
...n place (except for filter) and return the element that was removed.
Swift Guide to Map Filter Reduce
If you don't want to modify the original array, you can use dropFirst or dropLast to create a new array.
Updated to Swift 5.2
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