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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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ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError
7 Answers
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Unexpected Caching of AJAX results in IE8
I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.
10 Answers
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How to save password when using Subversion from the console
I was wondering if there is a way to save my Subversion password when doing svn operations from the console. The console is the only option that I have. When I try to do any Subversion action, e.g. svn commit , it prompts for the account password every time. Is there a way to save this password s...
How to delete a whole folder and content?
...ow:
Updated as per comments
File dir = new File(Environment.getExternalStorageDirectory()+"Dir_name_here");
if (dir.isDirectory())
{
String[] children = dir.list();
for (int i = 0; i < children.length; i++)
{
new File(dir, children[i]).delete();
}
}
...
Auto-reload browser when I save changes to html file, in Chrome?
... do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can specify a reload every x seconds:
https://chrome.google.com/webstore/detail/auto-refresh-plu...
Take the content of a list and append it to another list
...
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())...
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...