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  • Python unittest: Generate multiple tests programmatically?

    - by Rosarch
    I have a function to test, under_test, and a set of expected input/output pairs: [ (2, 332), (234, 99213), (9, 3), # ... ] I would like each one of these input/output pairs to be tested in its own test_* method. Is that possible? This is sort of what I want, but forcing every single input/output pair into a single test: class TestPreReqs(unittest.TestCase): def setUp(self): self.expected_pairs = [(23, 55), (4, 32)] def test_expected(self): for exp in self.expected_pairs: self.assertEqual(under_test(exp[0]), exp[1]) if __name__ == '__main__': unittest.main()

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  • Effect of suffixes in memory to cache operations

    - by tur1ng
    In x86 GNU Assembler there are different suffixes for memory related operations. E.g.: movb, movs, movw, movl, movq, movt(?) Now my question is the following: Does the suffix has ANY effect on how the processor is getting the data out of main memory or will always be one or more 32-bit (x86) chunks loaded into the cache ? What are the effects beside the memory access?

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  • mysql category tree search

    - by ffffff
    I have the following schema on MySQL 5.1 CREATE TABLE `mytest` ( `category` varchar(32) , `item_name` varchar(255) KEY `key1` (`category`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1; category column is filled with like that [:parent_parent_cat_id][:parent_cat_id][:leaf_cat_id] "10000200003000" if you can search all of the under categories :parent_parent_category_id SELECT * FROM mytest WHERE category LIKE "10000%"; it's using index key1; but How to use index when I wanna search :parent_cat_id? SELECT * FROM mytest WHERE category LIKE "%20000%"; Do you have a better solutions?

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  • What's the actual windows media player maximum banner width?

    - by William
    When looking at the documentation for the banner tag in windows media metafiles all the documentation says there is a maximum size of 194 x 32 pixels. http://msdn.microsoft.com/en-us/library/dd562478(v=VS.85).aspx However, when experimenting with larger images they seem to be displaying correctly. Is there some real undocumented limitation here? Will it get cut off on different/older versions?

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  • win32 read java preference from c++ code

    - by Jayan
    One of our program writes program information(window title, memory etc) in Java Preferences. On windows this is available under registry. How can I read the values written by Java program using c (or c++). Looks like API I should use is RegGetValue. Is this guaranteed to work on Windows XP 32 bit? The String written by java is UTF-8 encoded. How do I read such strings in windows (win32 or vc++) Cheers, Jayan

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  • how to handle click event in win32 API?

    - by Rakesh
    I have created a simple win 32 application..in which it has a textbox and a button in a dialog window..first when I created this..it didnt display the dialog window and then what I did is added the code below to handle the close(WM_CLOSE) of the dialog window...but I want to know, how to handle the button click event.. LRESULT WINAPI myProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { if(message == WM_CLOSE ) { PostQuitMessage(0); } return 0; } to call the above in my main pgm I used SetWindowLong(hwnd,DWL_DLGPROC, (long)myProc)

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  • C++ - 3 possible values in Variable?

    - by noryb009
    I need to store a 30 letter combination, but each letter can only be "0", "1" or "2". When I use sizeof(myString), it returns 32. I want to use this 30 letter combination to access a row of an array, so I'm wondering if it is possible to use a 3 value bool of some sort to store 1 of 3 values in.

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  • Generate a random filename in unix shell

    - by R S
    Hello, I would like to generate a random filename in unix shell (say tcshell). The filename should consist of random 32 hex letters, e.g.: c7fdfc8f409c548a10a0a89a791417c5 (to which I will add whatever is neccesary). The point is being able to do it only in shell without resorting to a program.

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  • Effect of suffixes in memory operations

    - by tur1ng
    In x86 GNU Assembler there are different suffixes for memory related operations. E.g.: movb, movs, movw, movl, movq, movt(?) Now my question is the following: Does the suffix has ANY effect on how the processor is getting the data out of main memory or will always be one or more 32-bit (x86) chunks loaded into the cache ? What are the effects beside the memory access?

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  • What does the length attribute do when set on the @Column JPA annontation?

    - by James McMahon
    What exactly does setting the length on a column do in JPA? @Column(name = "middle_name", nullable = false, length = 32) public String getMiddleName() { return this.middleName; } I understand that you can use the annotations to generate the database schema based on the entity objects, but does length do any sort of check or truncation when persistence happens, or it solely used for schema creation? I also realize that JPA can sit on top of various implementations, the implementation I am concerned with in this case, is Hibernate.

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  • What language is this?

    - by Blue
    got some keys with patterns like 4AC59BAA63A64327DCE12C0B2CD1A397 and B9E685495FECFC9854E7DBA508D91213 they have 32 chars and i would like not to decrypt then but to be able to make my own, its something like a hash of a file

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  • sizeof float (3.0) vs (3.0f)

    - by kumar
    Hi, What is the difference between sizeof(3.0) and sizeof(3.0f) I was expecting both of them to give the same result (sizeof float)..but its different. In 32 bit machine,gcc compiler, sizeof(3.0f) =4 sizeof(3.0) = 8 Why so?

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  • Determining the word width in C

    - by das_weezul
    Hi! I'm learning C right now and so I'm fiddling about with pointers. Is there a way to determine the word width of the CPU in C because I'm writing a small program which prints it's own stack (Because I'm curious how it is structured), so that information would come in handy. Right now I'm using an int pointer, as an integer is 4 Bytes wide and I'm using a 32-bit Intel Atom CPU. Thanks in advance, C gurus ;o)

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  • How to treat 64-bit words on a CUDA device?

    - by pikkio
    Hi, I'd like to handle directly 64-bit words on the CUDA platform (eg. uint64_t vars). I understand, however, that addressing space, registers and the SP architecture are all 32-bit based. I actually found this to work correctly (on my CUDA cc1.1 card): __global__ void test64Kernel( uint64_t *word ) { (*word) <<= 56; } but I don't know, for example, how this affects registers usage and the operations per clock cycle count.

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  • showing error message of missing VB dll

    - by user261740
    On Windows 7 (32 bits), i have downloaded and installed the windows desktop java application using windows installer of that application. When i re-open application it complains about a missing VB dll. What may be reason complains for missing VB dll and how can i resolved? Any help will be appreciated. FYI: The installer is build using NSIS and executable is prepared using JSmooth, of windows desktop java application that i have installed.

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  • A 16-digit hashing function

    - by Aly
    Is there a hash function that returns a 16-digit hex value (as MD5 returns 32-digit), or is there a library (for C++) in which I can use MD5 or SHA-1 which returns a 16-digit value

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  • Typedef in C# across several source files

    - by Danvil
    I am writing a C wrapper an would like to use a typedef aquivalent to define some types which should be valid in quite a lot of source files. Those "types" are just different aliases to [u]int16/32/64_t, but are useful to distinguish function parameters. One could use using MyId=System.Int32;, but this needs to be redeclared in every file as far as I see... Is there a better way?

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