Hi, I have a 2d numpy array of bools, and I'd like to know how many unique rows my data set contains and the frequency of each row. The only way I could solve this problem is by converting my whole data set into a string and then do the comparison, but surely there must be a better way to do this. Any help is appreciated. def getUnique...
I currently have one Pylons website running on my server that is setup using nginx as a proxy to Paster. In the near future, I plan to host another Pylons site on the same server. If I were to go the same route and use nginx+Paster, it would mean running two paster instances on different ports and then using the one nginx server as a pr...
I am learning GAE with python. I am trying to build the simplest possible application: get name from user; write name to datastore; retrieve name and display page. I tried the tutorial but I still do not understand how to do this. I appreciate any answers. Thank you ...
>>> c = conn.cursor() >>> c.execute('select * from stocks order by price') >>> for row in c: ... print row ... (u'2006-01-05', u'BUY', u'RHAT', 100, 35.14) (u'2006-03-28', u'BUY', u'IBM', 1000, 45.0) As what we can see, there's an 'u' in front of each column. And it's getting worse in my db. How could we print the normal string?...
@cost_time def dbdump_all(): "导出数据库所有数据至当前目录下以年月日命名的sql文件" filename=datetime.datetime.now().strftime("%Y-%m-%d") cmd="""mysqldump -u root -pzhoubt --opt --quick --database search > ./%s.sql"""%filename args=shlex.split(cmd) p=subprocess.Popen(args) #stdout, stderr = p.communicate() #print stdout,stderr pri...
Hello, I'm trying to take a binary number in string form, and flip the 1's and 0's, that is, change all of the 1's in the string to 0's, and all of the 0's to 1's. I'm new to Python, and have been wracking my brain for several hours now trying to figure it out. Thanks for any help you can offer. ...
Hi all, I am using Paramiko in my python code (for sftp). Everything works fine except that everytime I import or call a paramiko function. This warning would show up: C:\Python26\lib\site-packages\Crypto\Util\randpool.py:40: RandomPool_Deprecation Warning: This application uses RandomPool, which is BROKEN in older releases. S ee http...
Hey all- I'm trying to make a simple linear regression function but continue to encounter a numpy.linalg.linalg.LinAlgError: Singular matrix error Existing function (with debug): def makeLLS(inputData, targetData): print "In makeLLS:" print " Shape inputData:",inputData.shape print " Shape targetData:",targetData.s...
I am new to Python and am getting this error: Traceback (most recent call last): File "/usr/local/bin/scrapy", line 4, in <module> execute() File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/scrapy/cmdline.py", line 130, in execute _run_print_help(parser, _run_command, cmd, args, o...
I'm designing a weather program where I need to keep track of certain things and allow the user to add data which will be saved and subsequently read later. My fields are City State Zip Metar I might have more I want to do with this configuration file later, so I would like it to have something like this: [LOCATIONS] Phoenix:AZ:85001:...
Hi, I have a string like this: '|Action and Adventure|Drama|Science-Fiction|Fantasy|' How can I convert it to a tuple or a list? Thanks. ...
we are teaching a whole bunch of java and C# people python. What is the best resource to get them up to speed quickly? Is there one got to have book or tutorial that people could recommend? ...
I have two time objects Example time.struct_time(tm_year=2010, tm_mon=9, tm_mday=24, tm_hour=19, tm_min=13, tm_sec=37, tm_wday=4, tm_yday=267, tm_isdst=-1) time.struct_time(tm_year=2010, tm_mon=9, tm_mday=25, tm_hour=13, tm_min=7, tm_sec=25, tm_wday=5, tm_yday=268, tm_isdst=-1) I want to have the difference of those two? How could ...
i have a wsgi server which use paste,for some unkonw reason,it will often crash,so i want to has a application or just some package can help me to slove this,when it crashed automaticly kill the process and restart it.Any advice is welcome. ...
I'm not sure where to even start this assignment: In shopping for a new house, you must consider several factors. In this problem the initial cost of the house, the estimated annual fuel costs, and the annual tax rate are available. Write a program that determines and displays the total cost of a house after a five-year period and execu...
Hello, I am trying to add the Two's Complement to a Binary number represented with a string. Assuming the string has already been flipped, how would I go about "adding" 1 to the last character, and replacing the other characters in the string as needed? Example: 100010 is flipped to 011101, and is represented as a string. How would you...
Hello, Can someone help me out with the mysql connection statement to instert a textfile into a mysql table (field type is long blob)? For example: cursor.execute("insert into mytable (file_contents) values ('"+open(filename,"r").read()+"')") Obviously that's not very practical, can someone post a better way to do this? ...
I am still a bit confused about the relation of Proxy models to their Superclasses in django. My question now is how do I get a instance of a Proxy model from an already retrieved instance of the Superclass? So, lets say I have: class Animal(models.Model): type = models.CharField(max_length=20) name = models.CharField(max_length=...
hi, i'm using the Apache Batik SVG Rasterizer Library in python, but when i try to convert a svg into png i get this error Gtk-WARNING **: cannot open display: How can i do to don't use GTK to convert the SVG file Thanks and sorry for my english! ...
hi guys, I have a couple of python modules in an existing Python project that I wish to make use of in my Java app. I found an article and followed the steps mentioned there. In particular, I need to import the java interface: package jyinterface.interfaces; public interface EmployeeType { . . } into the module: from jyin...