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As a computer science student, what can I learn

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Navin Nikunj

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Write your answer, or answer later 

1. How to create a file server in just 2 minutes :

 We can use a simple python command to create our ow n server.

Install python : Welcome to Python.org

Open your console. (Terminal in Linux/Mac OSX and cmd in Windows).

Type the following: python -m SimpleHTTPServer.

For python 3.0 and above : python -m http.server 7000

Mayank Bhura, Google Summer Intern, 2015

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now in just 10 minutes that could be

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That's it! You have created your own file server. You can now access the files

on this machine from other machines over the internet!

 You can access the files on this server through your web browser. Just type the

following:

http:// [ip-address-of-server]:8000

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This will list all the files in the server, and you can browse and download any 

permitted files just like you do on a normal w ebsite.

To find the IP address, I have another section here.

2. How to find your own IP address:

i ) For Windows:

1. Type: (windows key + r) and press [enter].

2. Type ipconfig

  3. The IPv4 Address section is your required IP.

ii) For Linux/Mac OS X:

Open the terminal, type:

ifconfig

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 Your I P address is in eth0 -> inet addr.

3. How to use Latex:

Latex is a word processor. It resembles writing html code. By learning latex

 you can create top class resumes, which are really useful for job interviews.

 And it is much much better than MS Office.

 Watch a beginner's video here:

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4. Use awesome chrome extensions to make your life easy:

BuyHatke : BuyHatke

IRCTC Autofill : Autofill IRCTC Tatkal Form-Plugin & Extension

 Adblock Plus : Adblock Plus

One-click video downloader : Video Downloader professional

More top chrome extensions at : The Best Chrome Extensions

5. Fast typing :

Practice typing here : Typing Test, Competitions, Practice & Typing Games

Having a good typing speed is crucial.For college students, in lab exams, it lets you spend more time in thinking

about the question than worrying about how long it will take to code it up.

 And without the reasons, its good to be done with tasks in lesser time anyway!

P.S. I increased my typing speed from 60wpm to 90wpm in 2 years!

6. Using Microsoft Word to convert pdf files to word :

Just right click on the pdf document, and select Open with ->

Microsoft word!

That's it!

7. How to make a folder invisible:

Ever wondered how you could keep some stuff hidden right on your PC

desktop, without the user even knowing about it!

Here's the link : How To Make An Invisible Folder

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8. While moving data, instead of "cut-paste", use "copy-delete":

If you are moving files from an external drive, usb or your phone, to your

computer (or vice-versa), instead of doing cut-paste, you should first copy the

contents, and after copy is complete, delete the contents from the source.

Reason: While cut-pasting, if by chance the w ire connecting your computer

to the external drive is ejected from the PC, the entire cut-paste process will

stop. This will almost all the time, result in loss of data. There might have been

some file which had been moved partially, while the remaining half was still in

the source drive. This might corrupt the file and make it no longer usable.

To avoid this situation, you should first copy from the source to destination,

and after copy is complete, delete the contents from the source. This keeps the

data in the source intact, so you can start copying from fresh even if the wire

connecting it was ejected.

 Updated 20 May

Upvote 1.4k

I would like show how you can increase your daily productivity on Windows

PC with few tools(also the combination of them) and tricks.

 For better understanding please install the tools and then reread the post . Do

not forget to explore. I bet you are gonna like it 

Tool-1 . Listary

Download Link:: Keep files at y our fingertips

(Once you install, Listary runs in background and you can use it on any file

explorer window just by typing keywords)

1. Fuzzy Navigation/Fuzzy search: Search any folders/files (assuming

 you remember some part of the f ile/folder name) you need, from the current

directory you are in.

Upvoted by Rohit Shinde, Google Summer of Code, 2015

Nrupatunga Sahadeva, Still learning...

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Observe in the above image, where I searched for a different folder which

is not present in current working directory.

Observe how fuzzy search worked here when I searched by typing ' show

emi' . Hope you got it.

 You can browse through the search results using 'tab' key.

It has lot of other cool features, Try these:

Search 'cmd '. (you can open the command line in the current workingdirectory with ease)

Search ' Notepad.exe" 

If you work with particular folder very often, you can add them to the

favorites and define a shortcut key to open it.

Listary works in almost all explorer windows.

NOTE: Install the latest version for the fuzzy navigation feature.

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Tool-2. Q-Dir

Download Link:: Q-Dir the Quad Explorer for Windows

Name says it all.

 Features:

Copy paste across different folders efficiently 

Move files from one folder to another by '  Drag&Drop' 

Navigate through different views using tab key.

 Avoids cumbersome switching between w indows using ' Alt-Tab'

 Listary works with Q-Dir !

Tool-3. TaskSpace

Download Link:: don't waste your time on Alt+Tab switching  

(this tool is not so reliable, but some times works out for my needs)

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Merge different application into single windows.(see picture below).

Shortcut to add the application to the TaskSpace - (Ctrl+Shift+M)

 Avoid using ' Alt-Tab' switching between windows.

 You can combiningly use Tool-1 to Tool -3

Trick-1 :: Get the complete path of file/folder

Select the folder/file 'shift + right click' (assuming right handed mouseoperations) see the option 'copy as path'. The file path is copied to clipboard 

 Also you can also see ' Pin to Start Menu' option which you can use as well.

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Downvote Comment Share 9,693

 Please install the tools and try out different options in each tool.

 Hope it helps. Suggestions are welcome.Updated 26 Feb • Not for Reproduction

Upvote 72

The robots.txt

The Robots Exclusion Protocol or robots.txt protocol, is a convention toadvising cooperating web crawlers and other web robots about accessing all or

Srikar Durgi

 Ask QuestionSearch Home Write Notifications Navin13

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Downvote Comment Share 6,182

part of a website which is otherwise publicly viewable. Robots are often used by 

search engines to categorize and archive web sites, or by webmasters to

proofread source code.

There is a robots.txt file associated with all ( a lmost / definitely the popular

ones ) websites.

Have a look at these links.http://www.quora.com/robots.txt

http://www.google.com/robots.txt

https://www.facebook.com/robots.txt

http://en.wikipedia.org/robots.txt

http://stackoverflow.com/robots.txt

To know more about the conventions used in this protocol go through this link.

The Web Robots Pages

Sources: Robots exclusion standard

 Updated 29 Oct, 2014

Upvote 30

Two little things you can learn in about 5 minutes each.

The grep  command.

 Assuming you run a UNIX based system (if you don't, you should), this is

one command line utility function you should know. Basically it does a

simple Regular expression  search. How can that be useful?

1. How many times have you had a bunch of codes on a system and you

 were wondering which line in which file is messing up the output file? So,

Soumadeep Mazumdar , I write long answers.

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now you just find that out using,

$ grep output.txt *.cpp 

2. It works great with Regular expression s too. But, for that you need to

learn a bit about those. So, we'll skip that. How about the number of times

 you were wondering which APT , or YUM  background process is taking

up the system lock and not allowing updates. Simply filter all the current

running processes on you system.

$ ps -Al | grep apt

Similarly, if you want to find out if your firewall service is running or not,

 we take refuge in the shadow of the almighty grep .

$ service --status-all | grep firewall

3. Huge big-ass file of maybe raw data, and you want to find out if it has

even one mention of your name or not, and perhaps you'd also like to find

the line numbers where you were mentioned. Ta-da.

$ grep -n soumadeep bigdata.txt

4. Got a huge movie or TV series collection like mine (3 TB), and your friend

asks you if you have that particular episode of that particular TV series and you are just too lazy to search it, and your computer is just too slow to do a

search, or if you just remember the name of the director, or maybe just the

episode number. Nothing is too tough with this.

Search using folder name or year of release.

$ ls | grep foldername

Search using name of director or episode number even in sub-folders.

$ find | grep Nolan

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The grep  command will search for anything and everything on your system,

from exact words to files and folders. Try using it with other variants like cat ,

etc., and you are in complete access over your system via command line.

Macro , and Code completion in editors.

So, we all know the C macros, which replaces a particular line with a

 bunch of code we specify at the beginning to save us the torture of w riting

long lines again, and again. Imagine if that were available while coding?

Sure our basic "copy-paste" helps, but sometimes, you need to execute a

specific set of commands in a specific order, and the Ctrl button group just

 won't do. Macros and code completion options are available in every 

modern editors. Be it Notepad++ , gedit  or Kate . You could save up

 your macros and acronyms and the next time you write a piece of code,

 you could just type the acronym and press tab or space, and voila, you

have your code. Of course, IDE s support that by default. But, you can

also modify their macros, and code completion tables or add new ones of 

 your own. Sorry, I couldn't put in exam ples, since every editor has it's own

 way of doing it and attaching so many screenshots would be wasteful.

 Watch some tutorials and you'll be writing codes faster than you type

Facebook messages.

 Written 14 Dec, 2014

Upvote 152

 Ask somebody out on a date.

No, don't you chicken out and make excuses. Go and do it. It takes less than 10

minutes.

Go! NOW !

Upvoted by Karthik Abinav, PhD Computer Science @ UMD

James has 20+ answers in Programming Languages.

James Leonis, Computer Whisperer 

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Here's what you will (start to) learn:

Put yourself out there

Handle fear

Handle rejection if they aren't interested

Conversation

Meeting somebody new 

Programming is a social activity, and communication is critical.

Going to an interview or selling a product requires putting yourself out there.

Programs are built for people. You need to learn what they want, even when

they don't know themselves.

 You w ill get rejected from com panies and customers. You need practice to

gracefully handle that.

Networking will land you jobs, customers, and many other opportunities. But

first you need to meet and converse with these strangers.

It might seem weird at first, but dating is trial-by-fire for learning many 

selling, negotiation, communication, and fear management techniques. You

 will need them. Might as well start practicing now. Written 24 Oct, 2014

Upvote 769

 A very simple thing which many of you might be know ing already. For those

 who don't know this, it will save a hell lot of time !

Pranesh Anantharaman, A Proud Tamizhan !

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Downvote Comments 13+ Share 8 48,784

In Windows, you don't need to open cmd prompt and use 'cd' command to go

to a particular place.

Instead, Go to the folder where you want to open the command window. Press

'Shift key' + 'RightClick'. You can see the pop-up as shown below w hich

 will have an option 'Open command window here'.

Click that and problem solved !

EDIT : Y ou may also try Alt+D, then type 'cmd' and then press Enter, if you

 want keyboard only solution as pointed by Senguttuvan Ganesan.

 Updated 4 Dec, 2014

Upvote 943

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