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Google has announced the release of its RE2 library under a BSDish license. “At Google, we use regular expressions as part of the interface to many external and internal systems, including Code Search, Sawzall, and Bigtable. Those systems process large amounts of data; exponential run time would be a serious problem. On a more practical note, these are multithreaded C++ programs with fixed-size stacks: the unbounded stack usage in typical regular expression implementations leads to stack overflows and server crashes. To solve both problems, we’ve built a new regular expression engine, called RE2, which is based on automata theory and guarantees that searches complete in linear time with respect to the size of the input and in a fixed amount of stack space.” More information can be found on the RE2 project page.

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Technorati Tags: Automata theory, Bigtable, FAQs Help and Tutorials, google, Languages, programming, regular expression, Sawzall

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A few weeks I wrote about a tool, which helps you easily prepend to a file. I submitted prepend to moreutils and Joey was kind enough to point out this could be done with `sponge’.? sponge reads standard input and when done, writes it to a file:
Probably the most general …

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Originally posted 2009-09-15 21:24:53.

Technorati Tags: Data Formats, File descriptor, File Management, File Managers, Linux, Shell script, Standard streams, Windows

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I’ve been running Ubuntu as my laptop operating system for quite some time (year or more) and find it to be quite wonderful. However, recently I had some nasty times getting everything to work with OpenDNS.

The easy thing to do is change /etc/resolv.conf to contain the OpenDNS entries. However, this was complicated by my use of polipo (web cache), pdnsd (DNS cache), and resolvconf (a resolv.conf file manager) – not to mention the use of ddclient to update the dynamic IP on the laptop, and the Gnome NetworkManager.

Technorati Tags: dns, Dynamic Host Configuration Protocol, Name server, OpenDNS, Operating system, Protocols, Resolv.conf, ubuntu

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I love curl. I use it quite often to perform HTTP HEAD requests:
$ curl -I http://bashcurescancer.com
HTTP/1.1 200 OK
Date: Mon, 14 Apr 2008 03:11:35 GMT
Server: Apache/2.2.6 (Unix)
X-Pingback: http://bashcurescancer.com/wordpress/xmlrpc.php
Last-Modified: Mon, 14 Apr 2008 02:38:11 GMT
Connection: close
Content-Type: text/html; charset=UTF-8
However, I sometimes forget if a HEAD request is -I or -i, as such I …

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Originally posted 2009-09-15 21:24:54.

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Ever wondered how good it would be to have a command/function that would display the history or display the history with grep.

Would be really good right, well someone thought about this

$ h() { if [ -z "$1" ]; then history; else history | grep “$@”; fi; }

Place this in your .bash_profile and you can use it two different ways. If you issue ‘h’ on its own, then it acts like the history command. If you issue:

h cd

Then it will display all the history with the word ‘cd’

* View this command to comment, vote or add to favourites * View all commands by haivu

commandlinefu.com

by David Winterbottom (codeinthehole.com)

URL: http://feedproxy.google.com/~r/Command-line-fu/~3/M_TyUNnb_IA/display-the-history-and-optionally-grep

Comments

• October 14, 2009, Tweets that mention Display the history and optionally grep « Amit Agarwal -- Topsy.com writes: [...] This post was mentioned on Twitter by Amit Agarwal, Amit Agarwal. Amit Agarwal said: I just post Display the history and optionally grep on http://ping.fm/9Zywc [...]

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Originally posted 2009-10-14 20:47:08.

Technorati Tags: bash, function, history

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Taken from Dzone.

@echo on

setlocal

set srcDir=.

Technorati Tags: automation, bash, script

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Using PHP to search a MySQL database and return paged results

Link above to the article. I am using this as base to do some programming of my own for my website. When I am done I can post few more details, till then…………

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Originally posted 2008-10-19 20:17:30.

Technorati Tags: mysql, php

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$ alias whatismyip="wget -q -O - http://whatismyip.com/automation/n09230945.asp" The preferred way for scripts (and easier to parse)

• View this command to comment, vote or add to favourites
• View all commands by gibboris

by David Winterbottom (codeinthehole.com)

URL: http://feedproxy.google.com/~r/Command-line-fu/~3/O6l8r0uDeTc/what-is-my-ip

Comments

• November 11, 2009, Tweets that mention What is my ip? - Amit Agarwal -- Topsy.com writes: [...] This post was mentioned on Twitter by Amit Agarwal, Amit Agarwal. Amit Agarwal said: I just post What is my ip? on http://ping.fm/7YtOZ [...]

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Originally posted 2009-11-11 07:57:05.

Technorati Tags: scripts, whatismyip

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IdealisticHarshvardhan mallik( B) and his son Jay(Sudeep), find their channel loosing out on popularity ratings for a rival channel smartly run by his X-employee Mohnish Behl. Jay is provoked and hence in an attempt to rebuild and regain the foothold,he plans a sting operationwith aspiring PM Manoj Pandey(Paresh Rawal) and his Co-Bro industrialistRajat Kapoor. Everybody gets their share,but end up gobbling the truth. How is that revealed and what are theirrepurcussions forms the rest.

Frankly this aint a media centric movie, it is just a common thing among all the characters. It doesn’t give an insight or per se the background processing of how print media sell news and grab people’s attention. Okay we even despise this fact, since movies are not meant to educate, but to entertain. Then in that case Rann aint such a bad movie. Infact its a movie wherein conflicting characters are caught in different situations and the way they react to it. Though predictable for most part, it keeps youinterested because of RGV’s styleof framing.

For example, a scene where Paresh Rawal bursts into different gigglesby looking at her grandmotherwhile negotiating with Mohnish Behl, is endearing to watch.

In another scene, involving him he delivers following line to display his ferociousness “Kuch to vajay hogi ki hum Manoj pandey hain”..

Sudeep as Jay has mighty role, but he hams it up at one point and alleviates at another. Watch him in that scene where he tries to convince Bof the sting operation.

Paresh rawal (last seen in Daud), as usual is a irresistable to watch indhoti clad goonda..

Rajpal yadav as wannabe CD perfectlydescribes the nuts runningbehind breaking news.

Riteish deshmukh(Parag shastry, find out what his role is) an ardent fan of Harshvardhan mallik, plays a straight faced journalist with little effect.

Mohnish behl looks unreal andovercooks himself.

Big B is mechanical throughout,other than the the final act. Watch him closely in that terrifically rendered confession cum monologue at the end, u see trembling hands.

Dont expect a complete parda-fash or revelation of how media mis-use,glorify and magnify the news. The film explains the effect that media has on the ppl involved in a capsulic way,including us – the couch potatoes, but never explains the effect on media itself.And that is an irony.

As mentioned above its not “Not-watchable” kinda of movie in its entirety, but give it a shot if u have an appetite for RGV’s trademark narration and and his team’s technical brilliance.

The review is done by Prashant Prahlad Abkari, who is a collegue and good friend of mine.

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Technorati Tags: Arts, Breaking news, Compact Disc, Journalist, Mohnish Behl, Movies, Paresh Rawal, Printing

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Quick update, found this nice article on how to recover deleted file, if its still open by some process.
Recovering Deleted Files With lsof

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Originally posted 2009-06-02 08:00:05.

Technorati Tags: file, recovery, undelete

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