NetBeans and Python
- by spacemonkey
When I run some python code in NetBeans, which raises an error, the output in NetBeans just gives an error message and no further information, such as line number. Is there any way to fix that?
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Search found 13693 results on 548 pages for 'python metaprogramming'.
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Python to extract data from a file
- by user297003
Hi, I am new to python. I am trying to extract the text between that has specific text file: ---- data1 data1 data1 extractme ---- data2 data2 data2 ---- data3 data3 extractme ---- and then dump it to text file so that ---- data1 data1 data1 extractme --- data3 data3 extractme --- Thanks for the help.Read the article
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Is there YAPE::Regex::Explain alternative to python?
- by S.Mark
Is there perl's YAPE::Regex::Explain alternative to python? Which could do \w+=\d+|\w+='[^']+' to explanations like this NODE EXPLANATION -------------------------------------------------------------------------------- \w+ word characters (a-z, A-Z, 0-9, _) (1 or more times (matching the most amount possible)) -------------------------------------------------------------------------------- = '=' -------------------------------------------------------------------------------- \d+ digits (0-9) (1 or more times (matching the most amount possible)) -------------------------------------------------------------------------------- | OR -------------------------------------------------------------------------------- \w+ word characters (a-z, A-Z, 0-9, _) (1 or more times (matching the most amount possible)) -------------------------------------------------------------------------------- =' '=\'' -------------------------------------------------------------------------------- [^']+ any character except: ''' (1 or more times (matching the most amount possible)) -------------------------------------------------------------------------------- ' '\''Read the article
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Python bitoperators
- by Neelima
What do the bit operators like AND(&),OR(|),XOR(^) in python do behind the screen? What do they calculate? I cannot understand the results they give when used in a program? 30&45 yields 12. How can we relate these three? 30|45 yields 63. How are these three related? Please answer this...Read the article
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How to share a dictionary between multiple processes in python without locking
- by RandomVector
I need to share a huge dictionary (around 1 gb in size) between multiple processs, however since all processes will always read from it. I dont need locking. Is there any way to share a dictionary without locking? The multiprocessing module in python provides an Array class which allows sharing without locking by setting lock=false however There is no such option for Dictionary provided by manager in multiprocessing module.Read the article
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Running a python script for a user-specified amount of time?
- by Rob
Sorry, this is probably a terrible question. I've JUST started learning python today. I've been reading a Byte of Python. Right now I have a project for Python that involves time. I can't find anything relating to time in Byte of Python, so I'll ask you: How can I run a block for a user specified amount of time and then break? For example (in some pseudo-code): time = int(raw_input('Enter the amount of seconds you want to run this: ')) while there is still time left: #run this block or even better: import sys time = sys.argv[1] while there is still time left: #run this block Thanks for any help. Also, additional online guides and tutorials would be much appreciated. I really like Byte of Python. Dive into Python can't quite hold my attention, though. I suppose I should suck it up and try harder to read that one.Read the article
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Python templates for huge HTML/XML
- by newtover
Hello, Recently I needed to generate a huge HTML page containing a report with several thousand row table. And, obviously, I did not want to build the whole HTML (or the underlying tree) in memory. As result, I built the page with the old good string interpolation, but I do not like the solution. Thus, I wonder whether there are Python templating engines that can yield resulting page content by parts.Read the article
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Python syntax error: can't assign to operator in module but works in interpreter
- by mzee
I have a string a and I would like to split it in half depending on its length, so I have a-front = len(a) / 2 + len(a) % 2 this works fine in the interpreter but when i run the module from the command line python gives me a SyntaxError: can't assign to operator. What could be the issue here.Read the article
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Python for loop question
- by Joe Dunk
I was wondering how to achieve the following in python: for( int i = 0; cond...; i++) if cond... i++; //to skip an run-through I tried this with no luck. for i in range(whatever): if cond... : i += 1Read the article
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reading and extracting data from file using python
- by parijat24
hello , i am new to python , and I want to extract the data from this format FBpp0143497 5 151 5 157 PF00339.22 Arrestin_N Domain 1 135 149 83.4 1.1e-23 1 CL0135 FBpp0143497 183 323 183 324 PF02752.15 Arrestin_C Domain 1 137 138 58.5 6e-16 1 CL0135 FBpp0131987 60 280 51 280 PF00089.19 Trypsin Domain 14 219 219 127.7 3.7e-37 1 CL0124 to this format FBpp0143497 5 151 Arrestin_N 1.1e-23 FBpp0143497 183 323 Arrestin_C 6e-16Read the article
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Python: read streaming input from subprocess.communicate()
- by Heinrich Schmetterling
I'm using Python's subprocess.communicate() to read stdout from a process that runs for about a minute. How can I print out each line of that process's stdout in a streaming fashion, so that I can see the output as it's generated, but still block on the process terminating before continuing? subprocess.communicate() appears to give all the output at once.Read the article
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python-like Java IO library?
- by drozzy
Java is not my main programming language so I might be asking the obvious. But is there a simple file-handling library in Java, like in python? For example I just want to say: File f = Open('file.txt', 'w') for(String line:f){ //do something with the line from file } Thanks!Read the article
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is a there md5 decrypt function in python ?
- by mekasperasky
i used md5.new() ; md5.update("aaa"),md5.digest() to form a md5 hash of the data "aaa" . How to get back the data using python?Read the article
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Counting the number of messages in an e-mail account with python
- by terabytest
Hi, is there any way, in Python, to have access to an e-mail account (I'll need this for gmail but better if any works) and be able to see the number of messages in the inbox (maybe even unread messages only)? Thank you.Read the article
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Python library to validate Excel data
- by Stan
Is there any existing Python library that can validate data in Excel format? Or what kind of keyword should I use to search such an open source project? Thanks.Read the article
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python create object and add attributes to it
- by John
Hi, I want to create a dynamic object (inside another object) in python and then add attributes to it. I tried: obj = someobject obj.a = object() setattr(obj.a, 'somefield', 'somevalue') but this didn't work. Any ideas? ThanksRead the article
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C++ code generation with Python
- by norapinephrine
Can anyone point me to some documentation on how to write scripts in Python (or Perl or any other Linux friendly script language) that generate C++ code from XML or py files from the command line. I'd like to be able to write up some xml files and then run a shell command that reads these files and generates .h files with fully inlined functions, e.g. streaming operators, constructors, etc.Read the article
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Add windows commands in python
- by geocheats2
Can anyone tell me how to add the shutdown.exe to python and how . i also want to set and variables like shutdown.exe -f -s -t 60Read the article
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Output alternatives in Python
- by Jasper
Hi I'm a beginner programmer, pretty new 2 it Basically is there any alternatives to the print statement for output in Python, and how can I format my output text to be color-coded? ThanksRead the article
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Python: Run a progess bar and work simultaneously?
- by DanielTA
I want to know how to run a progress bar and some other work simultaneously, then when the work is done, stop the progress bar in Python (2.7.x) import sys, time def progress_bar(): while True: for c in ['-','\\','|','/']: sys.stdout.write('\r' + "Working " + c) sys.stdout.flush() time.sleep(0.2) def work(): *doing hard work* How would I be able to do something like: progress_bar() #run in background? work() *stop progress bar* print "\nThe work is done!"Read the article
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Using wget via Python
- by CoreIs
How would I download files (video) with Python using wget and save them locally? There will be a bunch of files, so how do I know that one file is downloaded so as to automatically start downloding another one? Thanks.Read the article
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Web scraping with Python
- by Nimbuz
I'd like to grab daily sunrise/sunset times from here. Is it possible to scrape web content with Python? what are the modules used? Is there any tutorial available? ThanksRead the article
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How to reload python module from itself?
- by mivulf
I have a python module with a lot of variables. These variables are used and changed by many other modules. And I want to reload this module from itself when it happens (for refresh). How to do that? # ================================== # foo.py spam = 100 def set_spam(value): spam = value foo = reload(foo) # reload module from itself # ================================== # bar.py import foo print foo.spam # I expect 100 # assume that value changes here from some another modules (for example, from eggs.py, apple.py and fruit.py) foo.set_spam(200) print foo.spam # I expect 200Read the article
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Parsing a dictionary or list from a string in Python
- by disconeckted
What is the most straightforward way of making dictionary or list from a string in Python? Let's say I have string "{ 'x' : 3, 'y' : 4 }" and I want to parse it to a real dictionary object.Read the article
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Where to find Python CouchDB tutorials?
- by Cap
I've been hunting around for a Python CouchDB tutorial and haven't been able to find anything very thorough. The only thing I've really found is this site, which I haven't gotten to work because I keep getting a 'connection refused' error when I try to create a database. Does anyone know where I would look for a tutorial to help me with this?Read the article
