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How ListView's recycling mechanism works
...nd other problems like returning convert view even before scrolling won't happen, i have test this myself, unless my listview was inside the lineaLayout it was also having problems like repeating view call and convert view as, putting Listview inside LinearLayout worked like magic for me.(didn't kno...
Flat file databases [closed]
..."../userdata/".$name));
}
but again this implementation will vary on the application and nature of the database you need.
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Fastest way to check a string contain another substring in JavaScript?
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I'm writing an Office 2013 App, using Microsoft's Office Javascript API, and using indexOf doesn't work. I'm not sure why. Using Regex though does. This is an edge case, but others might run into the same issue.
– Andy Mercer
...
SQL Server Script to create a new user
...eges).
However, if you are going to be accessing the SQL Server from an application, then you will want to set the server up for "Mixed Mode" (both Windows and SQL logins) and create a Login as shown above. You'll then "GRANT" priviliges to that SQL Login based on what is needed for your app. S...
Convert a JSON string to object in Java ME?
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Can I use this library in an applet. If it uses Reflection then I'm going to be faced with a reflectpermission error. Would it work?
– Mridang Agarwalla
May 8 '10 at 16:01
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How can I output a UTF-8 CSV in PHP that Excel will read properly?
...ark to the start of the file
chr(255) . chr(254)
The next problem that appears only with Excel on OS X (but not Windows) will be when viewing a CSV file with comma separated values, Excel will render rows only with one row and all of the text along with the commas in the first row.
The way to a...
How do I access the request object or any other variable in a form's clean() method?
...eference using a middleware. Then you can access this from anywhere in you app, including the Form.clean() method.
Changing the signature of the Form.clean() method means you have you own, modified version of Django, which may not be what you want.
Thank middleware count look something like this:
...
ActiveModel::ForbiddenAttributesError when creating new user
... required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params.require(:user).permit(:username, :email, :password, :salt, :encrypted_password)
end
end
...
'sudo gem install' or 'gem install' and gem locations
...do when installing gems.
Instead I recommend you install RVM and start a happy life with portable gem homes and different version of Ruby all living under one roof.
For the uninitiated, from the documentation:
RVM is a command line tool which allows us to easily install, manage and work with m...
Auto-reload browser when I save changes to html file, in Chrome?
...assume you're not on OSX? Otherwise you could 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://chro...