follow

Recursive descent parser: how to find the FIRST, FOLLOW, and PREDICT sets?

I'm looking for a good explanation of the definitions of the FIRST, FOLLOW, and PREDICT sets of a RDP when given a grammar. ...

First & Follow Sets check for simple grammar

Here's a few questions I had on a quiz in a class and just want to verify their correctness. Grammar: S -> ABC A -> df | epsilon B -> f | epsilon C -> g | epsilon 1.) The Follow set of B contains g and epsilon (T/F)? Ans: F. There is no epsilon in the Follow sets, correct? (Only $ aka end of input) 2.) The First set of S contains d, ...

Twitter follow Url

Hitting the url http://twitter.com/home?status=<status_msg> takes us to the twitter login page and once logged in, the status is already filled in the input box, ready to be tweeted. Is there a similar url for following somebody on twitter ? something of the form http://twitter.com/follow?user=<user_to be_followed> so that whe...

How to make div follow scrolling smoothly with jQuery?

Hello I'm creating a blog layout, which has an sidebar. In sidebar there are sections/boxes, but the last one of these boxes should follow scrolling when none of the other boxes are visible. So, when user scrolls down, he sees a normal sidebar, but when user has went down enough, sidebar ends but the last box starts to follow on the to...

using a simple jquery script to have a div follow the page on scroll

I'm trying to use this script here: http://css-tricks.com/scrollfollow-sidebar/ to make a simple div that follows the window as the user scrolls. I changed it from 0 to topPadding and changed topPadding to topPadding*2 to get the right top offset. Unfortunately this has the side effect of the object making the page a little longer and a...

What is a good tool for automatically calculating FIRST and FOLLOW sets?

I'm currently in the middle of playing with a BNF grammar that I hope to be able to wrangle into a LL(1) form. However, I've just finished making changes and calculating the new FIRST and FOLLOW sets for the grammar by hand for the third time today and I'm getting tired of it. There has to be a better way! Can someone suggest a tool tha...

[compiler] Question about first and follow

Given following grammar S -> L=L s -> L L -> *L L -> id What is the first and follow for the non-terminals? If the grammar is changed into S -> L=R S -> R L -> *R L -> id R -> L What will be the first and follow ? Thanks ...

How can I get the list of followers from the Google Data API for Blogger?

I am able to get the list of 'authored' blogs for a particular user profile-id and its response is available in JSON. However, when I try to request the profile (which has the list of followers), I can only get the result in HTML. Is there any way to get the list in a data-protocol format (i.e., XML or JSON)? ...

How to add button to follow application owner's Twitter account from iphone application?

Hi, all! I'm developing an application in which I need to include an option "Share on Twitter " click upon which the application's itunes address is automatically twitted to the user's Twitter account(ofcourse I'm accepting user's id and password). I was able to do that. Now I want to add a button "Follow" click upon which will...

Emacs follow-mode with multiple splits

My question is related to the following two: http://stackoverflow.com/questions/970292/emacs-multiple-columns-one-buffer http://stackoverflow.com/questions/2588706/vim-configuration-setting-up-autocomplete-and-columns I'm using MPage now in vim, and it works well even when I have more than two columns. How can I use follow-mode to mimic...

Recursive follow files in bash

I have files which contain file names pointing to other files. These files contain further file names pointing further files and so on. I need a bash script which follows each files recursively and logs into file every touched file during the run. file1: file2 file3 file2: file4 file3: file5 file4 and file5 are empty. Re...

how to model a follower stream in appengine?

I am trying to design tables to buildout a follower relationship. Say I have a stream of 140char records that have user, hashtag and other text. Users follow other users, and can also follow hashtags. I am outlining the way I've designed this below, but there are two limitaions in my design. I was wondering if others had smarter ways...

Pagination - Twitter's people you follow

Hi guys, im developing an Android application for twitter that will sync data coming from the people you follow. The problem is that: http://api.twitter.com/1/statuses/friends.json provides me the last 100 persons ive followed and i wanted to display only 20 for each 'page'. I believe that the 'cursor' parameter doesnt do what i nee...

getting list of people who follows you on friendfeed with ff-api

is there any way to getting list of people who follows you on friendfeed with ff-api? ...

How can I have an html element stay visible on the page within the bounds of another html object?

Hey, I have a list of reports on a page. I currently have 4 large buttons on the right to view, add, edit or delete a button. We've had complaints about people having to scroll back up to click on the buttons once they've selected a report because they have soo many. Is there a way to have an html object like a div, stay visible on the...

Twitter Follow Link

How do I create a link that will automatically make a user follow a certain Twitter user if they're logged in or send them to Twitter to login first if they're not? I had found how to do this about month or 2 ago but can't find it again. I think it was something basic like a link or a form post to something like twitter.com/[user]/follow...

How to have 2+ boxes slide down

I have been reading tutorials from several different places like http://css-tricks.com/scrollfollow-sidebar/ or http://jqueryfordesigners.com/fixed-floating-elements/ and have been playing around with them but cant seem to figure out how I would be able to add more then just that one sliding box on the page. Any thoughts? ...

Follow Up on Twitter using iPhone

Can User follow up on twitter using iphone application. I have done the functionality of sending tweet to twitter account. But now I have to do the follow up on twitter functionality. I have an iphone application. I need to do the follow up on twitter functionality using the application in the info page. In which if user clicks on follo...

How to follow user on twitter using PHP libraries (EpiTwitter maybe?)

Hi, I want to follow some user on twitter. Can't seem find the function to do that... Thanks, Suhas ...

Cocos2d scroll layer on Sprite drag

I have designed a small tutorial named "Stacker", As the name suggests, The game involves stacking blocks on each other. I have a large number of blocks to be stacked and hence all cant be accomodated in the screen itself... I m new to cocos2d and box2d but have managed to create a body with its adjoining sprite wen a user clicks on the ...