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• Python vs Groovy vs Ruby? (based on criteria listed in question)

  - by Prembo

  Considering the criteria listed below, which of Python, Groovy or Ruby would you use? Criteria (Importance out of 10, 10 being most important) Richness of API/libraries available (eg. maths, plotting, networking) (9) Ability to embed in desktop (java/c++) applications (8) Ease of deployment (8) Ability to interface with DLLs/Shared Libraries (7) Ability to generate GUIs (7) Community/User support (6) Portability (6) Database manipulation (3) Language/Semantics (2)

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• How do I simulate a progress counter in a command line application in Python?

  - by CRP

  My Python program does a series of things and prints some diagnostic output. I would also like to have a progress counter like this: Percentage done: 25% where the number increases "in place". If I use only string statements I can write separate numbers, but that would clutter the screen. Is there some way to achieve this, for example using some escape char for backspace in order to clear a number and write the next one? Thanks

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• How do I use python to hit this command and return the result?

  - by alex

  $whois abc.com I want to use python to hit this command, and then give the result as a String of text. How can I do that?

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• how to traverse a file in python and c++ in backward way? And also store data in backward (bottom to

  - by mekasperasky

  Suppose i want to store 3 lines in a file both in python and C++ . I want to store it like this aaa bbb ccc .. But i am giving ccc input first then bbb then aaa. How will I traverse the file from bottom to top and also store from bottom to top/?

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• Can I use python to create flash like browser games?

  - by Davoud Taghawi-Nejad

  Hello, is it possible to use python to create flash like browser games? (Actually I want to use it for an economic simulation, but it amounts to the same as a browser game) Davoud

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• python remove everything between <div class="comment> .. any... </div>

  - by Michelle Jun Lee

  Hi how do you use python 2.6 to remove everything including the ....remove all .... i tried various way using re.sub without any success Thank you

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• Python's safest method to store and retrieve passwords from a database.

  - by ensnare

  Looking to store usernames and passwords in a database, and am wondering what the safest way to do so is. I know I have to use a salt somewhere, but am not sure how to generate it securely or how to apply it to crypt the password. Some sample Python code would be greatly appreciated. Thanks.

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• How to see if there is one microphone active using python?

  - by aF

  Hello, I want to see if there is a microphone active using Python. How can I do it? Thanks in advance!

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• How do you programmatically set an attribute in Python?

  - by Nick

  Suppose I have a python object x and a string s, how do I set the attribute s on x? So: >>> x = SomeObject() >>> attr = 'myAttr' >>> # magic goes here >>> x.myAttr 'magic' What's the magic? The goal of this, incidentally, is to cache calls to x.__getattr__().

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• What's the best way to make a time from "Today" or "Yesterday" and a time in Python?

  - by sh1mmer

  Python has pretty good date parsing but is the only way to recognize a datetime such as "Today 3:20 PM" or "Yesterday 11:06 AM" by creating a new date today and doing subtractions?

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• Show default value for editing on Python input possible?

  - by kircheis

  Is it possible for python to accept input like this: Folder name: Download But instead of the user typing Download it is already there as a initial value. If the user wants to edit it as Downloads all he has to do is add a 's' and press enter. Using normal input command: folder=input('Folder name: ') all I can get is a blank prompt: Folder name: Is there a simple way to do this that I'm missing?

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• How to check the existence of a row in SQLite with Python?

  - by fx

  I have the cursor with the query statement as follows: cursor.execute("select rowid from components where name = ?", (name,)) I want to check for the existence of the components: name and return to a python variable. How do I do that?

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• How should I grab pairs from a list in python?

  - by tomaski

  Say I have a list that looks like this: ['item1', 'item2', 'item3', 'item4', 'item5', 'item6', 'item7', 'item8', 'item9', 'item10'] Using Python, how would I grab pairs from it, where each item is included in a pair with both the item before and after it? ['item1', 'item2'] ['item2', 'item3'] ['item3', 'item4'] ['item4', 'item5'] ['item5', 'item6'] ['item6', 'item7'] ['item7', 'item8'] ['item8', 'item9'] ['item9', 'item10'] Seems like something i could hack together, but I'm wondering if someone has an elegant solution they've used before?

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• How can I have my python file show its mercurial tag or revision as the module version?

  - by Chris R

  I'd like to add a --version command line option to my python application that will show the right version depending on the tagged status of the command: If the file comes from a version whose short hex ID was abcdef01 that was tagged TAG, --version should show this: MyApp Version TAG (abcdef01) If the file comes from the tip, --version should show this: MyApp (tip) If the file comes from an arbitrary, untagged revision abcdef02, --version should show this: MyApp (development, abcdef02) Is this possible? If so, how?

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• Can python code (say if I used djangno) be obfuscated to the same 'level' as c#/java?

  - by Blankman

  If I obfuscated python code, would it provide the same level of 'security' as c#/java obfuscating? i.e it makes things a little hard, but really you can still reverse engineer if you really wanted to, its just a bit cryptic.

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• How to skip index in for loop in Python?

  - by System Matrix

  How to achieve following in Python? C code: for(i=0;i<5;i++) { if( i == 2 ) { i++; } } Basically skipping index?

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• Python code to create a password encrypted zip file?

  - by MikeN

  What is the Python code to create a password encrypted zip file? I'm fine with using some apt-get'able utilities using system on the command line.

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• python: How to refer to specific item within a list of lists?

  - by user964689

  Python beginner here, I have a list of lists and want to refer to a specific part of that list. For example lol = [[1, 2, 4], [6, 7, 8], [9, 10, 14]] If I just want to print the first item in one of the lists, eg the 1, 6 or 9, how would I do that? I can only find ways to refer to each of the lists seperately eg lol[0] but not to then refer to an item within that list. Thank you in advance for your help! Cheers

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• Python: How do you insert into a list by slicing?

  - by Sam

  I was instructed to prevent this from happening in a Python program but frankly I have no idea how this is even possible. Can someone give an example of how you can slice a list and insert something into it to make it bigger? Thanks

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• html/javascript automaticly getting link from submit button (maybe automating with python?)

  - by user317955

  I have a website where I have to click a submit button on a form. This gives me a link. I know the link is made up with the paramter that is passed through a hidden value. I was wondering if I could make a python script or something else that would go to the website and click some buttons returning the link that the submit button generates, if so how could I pass the extra parameter that influences the creation of the link? thanks in advance.

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• What does represents the hexadecimal integer showed on print\repr in python?

  - by systempuntoout

  In an interactive session like the following one: >>> f=open('test.txt','w') >>> f <open file 'test.txt', mode 'w' at 0x6e610> what does 0x6e610 represents and what could i do with that hexadecimal number in python?

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• Take user input and put it into a file in Python?

  - by Galilsnap

  I must have skipped a page or two by accident during my PDF Tutorials on Python commands and arguments, because I somehow cannot find a way to take user input and shove it into a file. Don't tell me to try and find solutions online, because I did. None made sense to me.

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• Python: Chatting with my friend if I know IP ( without any server ).

  - by xRobot

  Supposed that I know my ip and ip of 1 my friend. How Can I chat with he using python ? . Thanks ;)

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• Is there a good Python library that can parse C++?

  - by csbrooks

  Google didn't turn up anything that seemed relevant. I have a bunch of existing, working C++ code, and I'd like to use python to crawl through it and figure out relationships between classes, etc. EDIT: Just wanted to point out: I don't think I need or want to parse every bit of C++; I just need something smart enough to pick up on class, function and member variable declarations, and to skip over function definitions.

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• Why Python language does not have a writeln() method?

  - by systempuntoout

  If we need to write a new line to a file we have to code: file_output.write('Fooo line \n') Are there any reasons why Python not has a writeln() method?

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