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Removing a model in rails (reverse of “rails g model Title…”)
...odel, it will delete the migration file, but not the database table. So before run
bundle exec rake db:rollback
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Delete last commit in bitbucket
...made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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.Contains() on a list of custom class objects
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You need to implement IEquatable or override Equals() and GetHashCode()
For example:
public class CartProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal CurrentPrice;
publ...
Batch: Remove file extension
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You can use %%~nf to get the filename only as described in the reference for for:
@echo off
for /R "C:\Users\Admin\Ordner" %%f in (*.flv) do (
echo %%~nf
)
pause
The following options are available:
Variable with modifier Description
%~I Expands %I which removes a...
No Activity found to handle Intent : android.intent.action.VIEW
This is my code to play the recorded audio 3gp file
14 Answers
14
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Laravel Controller Subfolder routing
I'm new to Laravel. To try and keep my app organized I would like to put my controllers into subfolders of the controller folder.
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What's the difference between SoftReference and WeakReference in Java?
...eak reference, simply put, is a
reference that isn't strong enough to
force an object to remain in memory.
Weak references allow you to leverage
the garbage collector's ability to
determine reachability for you, so you
don't have to do it yourself. You
create a weak reference like this...
ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError
7 Answers
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Take the content of a list and append it to another list
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Since list.extend() accepts an arbitrary iterable, you can also replace
for line in mylog:
list1.append(line)
by
list1.extend(mylog)
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Iterate through the fields of a struct in Go
...)
offers.
The following code illustrates how to get the values of each exported field in a struct
using reflection (play):
import (
"fmt"
"reflect"
)
func main() {
x := struct{Foo string; Bar int }{"foo", 2}
v := reflect.ValueOf(x)
values := make([]interface{}, v.NumField())...