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  • Sorting a list of version strings

    - by Zack
    I have a list containing version strings, such as things: versions_list = ["1.1.2", "1.0.0", "1.3.3", "1.0.12", "1.0.2"] I would like to sort it, so the result would be something like this: versions_list = ["1.0.0", "1.0.2", "1.0.12", "1.1.2", "1.3.3"] The order of precendece for the digits should obviously be from left to right, and it should be decending. So 1.2.3 comes before 2.2.3 and 2.2.2 comes before 2.2.3. How do I do this in Python?

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  • Django: saving pickled object

    - by pistacchio
    Hi, i have a large dictionary I'd like to save. I have pickled it using cPickle.dumps and saved the result into a TextField. When trying to retrieve it (cPicle.loads) i get the following error: loads() argument 1 must be string, not unicode Does anybody have any experience in serializing python objects and storing them in a DB using Django? Thanks in advance.

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  • Circular shift operations in C++

    - by Elroy
    Left and right shift operators (<< and ) are already available in C++. However, I couldn't find out how I could perform circular shift or rotate operations. How can operations like "Rotate Left" and "Rotate Right" be performed? Rotating right twice here Initial --> 1000 0011 0100 0010 should result in: Final --> 1010 0000 1101 0000 An example would be helpful.

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  • VB.NET and linQ: How to delete entries from a dictionary using the value

    - by user350233
    I have a dictionary collection as bleow: mydic.addvalue(key1, val1) mydic.addvalue(key2, val1) mydic.addvalue(key3, val1) mydic.addvalue(key4, val2) mydic.addvalue(key5, val2) From the above dictionary I want to delete all the entries where value == "val1", so that the result would have only following entry: mydic.addvalue(key4, val2) mydic.addvalue(key5, val2) My VB source code is on VS2008 and targeted for 3.5

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  • Does GetVolumeNameForVolumeMountPoint() return the GUID of a volume?

    - by sxingfeng
    Does GetVolumeNameForVolumeMountPoint() return the GUID of a volume in c++? GetVolumeNameForVolumeMmountPoint() { LPCTSTR lpszvolumeMountPoint, LPTSTR lpszVolumeName, DWORDcchBufferLength, } I mean if I am using a removeable disk. will the lpszVolumeName remained the same on the same computer? Does it return a certain ID for a certain volume everytime I insert the disk on my computer' USBport. And Make sure different disk's volumes will get different result? Many Thanks!

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  • Search for dates in excel

    - by Jean
    Hello, I have dates in an excel field of these formats, 01-jan-10, 02/02/05. I formated the cells to 03-mar-2010. I did a find such as 03-mar-2010 does not turn up any result. Any reason to why. Thanks Jean

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  • Splitting list into a list of possible tuples

    - by user1742646
    I need to split a list into a list of all possible tuples, but I'm unsure of how to do so. For example pairs ["cat","dog","mouse"] should result in [("cat","dog"), ("cat","mouse"), ("dog","cat"), ("dog","mouse"), ("mouse","cat"), ("mouse","dog")] I was able to form the first two, but am unsure of how to get the rest. Here's what I have so far: pairs :: [a] -> [(a,a)] pairs (x:xs) = [(m,n) | m <- [x], n <- xs]

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  • How to handle carriage return with windows batch script?

    - by eric2323223
    Hi, I want to use bat to automate some of my work. It should first look up the value of a certain registry key, and then copy some files to the directory that included in the registry key value. I used reg query command to look up registry, such as: REG QUERY "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v PROCESSOR_ARCHITECTURE The result seems contains carriage return and I need to remove it, I've tried some solutions but all failed. Could anyone help me?

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  • How to get one Actinresult values in other Actionresult ..

    - by kumar
    this is the first controler which is calling my applciation I am getting all my studentinfo for updating studnet can i call this et in updateresult Action result? thanks public ActionResult getresult(StduentInfo et) { return PartialView("Student", et); } public ActionResult updateresult(Stdentinfo et) { return PartialView(et); }

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  • Regular expression that matches valid IPv6 addresses

    - by Readonly
    I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with "::" or leading zeros omitted from each byte pair). Can someone suggest a regular expression that would fulfill the requirement? I'm considering expanding each byte pair and matching the result with a simpler regex.

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  • Drupal return number of results in a View

    - by Linda
    I have a view in Drupal that filters my content. It brings back 7 rows. All I want to return is the number or results returned(7). Is this possible? I tried using the View result counter but it returns a number for each results 1 2 3 4 5 6 7 I just need the 7 part. So in SQL I would do a select count(*)

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  • Mysql query to get distict hotel id with minimum price and star?

    - by user1325929
    Current table hotel_id | price | star 1100 | 1999 | 3 1100 | 1565 | 3 1100 | 2000 | 3 1101 | 2010 | 4 1101 | 2050 | 4 1102 | 5599 | 5 1102 | 6599 | 5 Required result: distinct hotels with minimum price and it's star hotel_id | price | star 1100 | 1565 | 3 1101 | 2010 | 4 1102 | 5599 | 5 I wrote query as SELECT DISTINCT hotel_id, min(price),star FROM MyTable. It is giving only 1 row instead of 3

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  • Sony SmartWatch 2 Magnetic Fields confusion

    - by user1865735
    I'm trying to use Registration.SensorTypeValue.MAGNETIC_FIELD in SmartWatch's 2 plugin. But values that I received put me into some dissapointed state, cause of few reason: Values is to big (I tested magnetic fields on 3 phones and result is like "-12. , 38, -14", and the watch give me something like "488, 440, -115") Values are almost static, they live in very small range. What's wrong with me or with the watch? I think this question is for Sony support team.

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  • LInux C++: how do profile time wasted due to cache misses?

    - by anon
    I know that I can use gprof to benchmark my code. However, I have this problem -- I have a smart pointer that has an extra level of indirection (think of it as a proxy object). As a result, I have this extra layer that effects pretty much all functions, and screws with caching. Is there a way to measure the time my CPU wastes due to cache misses? Thanks!

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  • How to manipulate a string, variable in shell

    - by user558134
    Hei everyone! I have this variable in shell containing paths separated by a space: LINE="/path/to/manipulate1 /path/to/manipulate2" I want to add additional path string in the beginning of the string and as well right after the space so that the variable will have the result something like this: LINE="/additional/path1/to/path/to/manipulate1 additional/path2/to/path/to/manipulate2" Any help appreciated Thanks in advance

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  • Selecting rows distinctively

    - by noway
    Lets assume my database table structure is something like | items | weight | |============|==========| | item_1 | 50 | | item_2 | 90 | | item_2 | 45 | | item_2 | 60 | | item_3 | 40 | In the select statement, I want to show an item only for once with the highest weight also ordered by height. So the result should be : | items | weight | |============|==========| | item_2 | 90 | | item_1 | 50 | | item_3 | 40 | I tried something like SELECT DISTINCT items, weight FROM mytable ORDER BY weight DESC but it didn't work because the results are actually distinct. How can I make that selection?

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  • calling stacks in asp.net

    - by Estelle
    I have a procedure in asp.net web site that gives strange result sometimes, I’m thinking to add some code to track it. My question is, in the production environment, is there any way that I can get the calling stacks like the one in the exceptions? thanks.

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