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  • Search and replace hundreds of strings in tens of thousands of files?

    - by C Johnson
    I am looking into changing the file name of hundreds of files in a (C/C++) project that I work on. The problem is our software has tens of thousands of files that including (i.e. #include) these hundreds of files that will get changed. This looks like a maintenance nightmare. If I do this I will be stuck in Ultra-Edit for weeks, rolling hundreds of regex's by hand like so: ^\#include.*["<\\/]stupid_name.*$ with #include <dir/new_name.h> Such drudgery would be worse than peeling hundreds of potatoes in a sunken submarine in the antarctic with a spoon. I think it would rather be ideal to put the inputs and outputs into a table like so: stupid_name.h <-> <dir/new_name.h> stupid_nameb.h <-> <dir/new_nameb.h> stupid_namec.h <-> <dir/new_namec.h> and feed this into a regular expression engine / tool / app / etc... My Ultimate Question: Is there a tool that will do that? Bonus Question: Is it multi-threaded? I looked at quite a few search and replace topics here on this website, and found lots of standard queries that asked a variant of the following question: standard question: Replace one term in N files. as opposed to: my question: Replace N terms in N files. Thanks in advance for any replies.

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  • Why is this attempt at a binary search crashing?

    - by Ian Campbell
    I am fairly new to the concept of a binary search, and am trying to write a program that does this in Java for personal practice. I understand the concept of this well, but my code is not working. There is a run-time exception happening in my code that just caused Eclipse, and then my computer, to crash... there are no compile-time errors here though. Here is what I have so far: public class BinarySearch { // instance variables int[] arr; int iterations; // constructor public BinarySearch(int[] arr) { this.arr = arr; iterations = 0; } // instance method public int findTarget(int targ, int[] sorted) { int firstIndex = 1; int lastIndex = sorted.length; int middleIndex = (firstIndex + lastIndex) / 2; int result = sorted[middleIndex - 1]; while(result != targ) { if(result > targ) { firstIndex = middleIndex + 1; middleIndex = (firstIndex + lastIndex) / 2; result = sorted[middleIndex - 1]; iterations++; } else { lastIndex = middleIndex + 1; middleIndex = (firstIndex + lastIndex) / 2; result = sorted[middleIndex - 1]; iterations++; } } return result; } // main method public static void main(String[] args) { int[] sortedArr = new int[] { 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29 }; BinarySearch obj = new BinarySearch(sortedArr); int target = sortedArr[8]; int result = obj.findTarget(target, sortedArr); System.out.println("The original target was -- " + target + ".\n" + "The result found was -- " + result + ".\n" + "This took " + obj.iterations + " iterations to find."); } // end of main method } // end of class BinarySearch

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  • Possible to rank partial matches in Postgres full text search?

    - by Joe
    I'm trying to calculate a ts_rank for a full-text match where some of the terms in the query may not be in the ts_vector against which it is being matched. I would like the rank to be higher in a match where more words match. Seems pretty simple? Because not all of the terms have to match, I have to | the operands, to give a query such as to_tsquery('one|two|three') (if it was &, all would have to match). The problem is, the rank value seems to be the same no matter how many words match. In other words, it's maxing rather than multiplying the clauses. select ts_rank('one two three'::tsvector, to_tsquery('one')); gives 0.0607927. select ts_rank('one two three'::tsvector, to_tsquery('one|two|three|four')); gives the expected lower value of 0.0455945 because 'four' is not the vector. But select ts_rank('one two three'::tsvector, to_tsquery('one|two')); gives 0.0607927 and likewise select ts_rank('one two three'::tsvector, to_tsquery('one|two|three')); gives 0.0607927 I would like the result of ts_rank to be higher if more terms match. Possible? To counter one possible response: I cannot calculate all possible subsequences of the search query as intersections and then union them all in a query because I am going to be working with large queries. I'm sure there are plenty of arguments against this anyway! Edit: I'm aware of ts_rank_cd but it does not solve the above problem.

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  • Queuing asynchronous HTTP file uploads

    - by David Parunakian
    Is there a way to queue file uploads without resorting to Flash or Silverlight, just with cleverly used forms and JavaScript? Note that the upload should be executed asynchronously. By "queuing" uploads I mean that if the user tries to upload multiple files, they should not be transferred simultaneously, but rather one at a time, in a single HTTP connection.

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  • how to read a static file in .py file using django ..

    - by zjm1126
    this is my error code: text = open('/media/a.txt', 'rb').read() and my perplexed is: when i use this : text = open('a.txt', 'rb').read() it can be running but when i put the 'a.txt' to the 'media' folder, i can't running , why ? thanks IOError at / [Errno 13] file not accessible: '/media/a.txt'

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  • How can I have a VBA macro perform a Search/Replace in formulas across an entire workbook?

    - by richardtallent
    I distribute an Excel workbook to a number of users, and they are supposed to have a particular macro file pre-installed in their XLSTART folder. If they don't have the macro installed correctly, and they send the workbook back to me, any formulas depending on it include the full path of the macro, e.g.: 'C:\Documents and Settings\richard.tallent\Application Data\ Microsoft\Excel\XLSTART\pcs.xls'!MyMacroFunction() I want to create a quick macro I can use to remove the improper path from every formula in the workbook. I've successfully retrieved the special folder using GetSpecialFolder (an external function that is working just fine), but the Replace call itself shown below throws an "Application-defined or object-defined error". Public Sub FixBrokenMacroFormulas() Dim badpath As String badpath = "'" & GetSpecialFolder(AppDataFolder) & "\Microsoft\Excel\XLSTART\mymacro.xls'!" Dim Sheet As Worksheet For Each Sheet In ActiveWorkbook.Sheets Call Sheet.Activate Call Sheet.Select(True) Call Selection.Replace(What:=badpath, Replacement:="", LookIn:=xlFormulas) ''//LookAt:=xlPart, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False Next End Sub Automating search and replace isn't exactly my forte, what am I doing wrong? I've already commented out some of the parameters that don't seem essential.

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  • What is the best web-based File Explorer?

    - by Vincent
    I would like to know what you think is the best web-based File Explorer to manage files in a remote server through HTTP / Web. It would be preferable to have PHP or Flash technology, but any good suggestion would do. More generally, how would you allow someone to manage files on a remote server with HTTP being the only open outgoing port?

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  • Reading and writing C++ vector to a file

    - by JB
    For some graphics work I need to read in a large amount of data as quickly as possible and would ideally like to directly read and write the data structures to disk. Basically I have a load of 3d models in various file formats which take too long to load so I want to write them out in their "prepared" format as a cache that will load much faster on subsequent runs of the program. Is it safe to do it like this? My worries are around directly reading into the data of the vector? I've removed error checking, hard coded 4 as the size of the int and so on so that i can give a short working example, I know it's bad code, my question really is if it is safe in c++ to read a whole array of structures directly into a vector like this? I believe it to be so, but c++ has so many traps and undefined behavour when you start going low level and dealing directly with raw memory like this. I realise that number formats and sizes may change across platforms and compilers but this will only even be read and written by the same compiler program to cache data that may be needed on a later run of the same program. #include <fstream> #include <vector> using namespace std; struct Vertex { float x, y, z; }; typedef vector<Vertex> VertexList; int main() { // Create a list for testing VertexList list; Vertex v1 = {1.0f, 2.0f, 3.0f}; list.push_back(v1); Vertex v2 = {2.0f, 100.0f, 3.0f}; list.push_back(v2); Vertex v3 = {3.0f, 200.0f, 3.0f}; list.push_back(v3); Vertex v4 = {4.0f, 300.0f, 3.0f}; list.push_back(v4); // Write out a list to a disk file ofstream os ("data.dat", ios::binary); int size1 = list.size(); os.write((const char*)&size1, 4); os.write((const char*)&list[0], size1 * sizeof(Vertex)); os.close(); // Read it back in VertexList list2; ifstream is("data.dat", ios::binary); int size2; is.read((char*)&size2, 4); list2.resize(size2); // Is it safe to read a whole array of structures directly into the vector? is.read((char*)&list2[0], size2 * sizeof(Vertex)); }

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  • Bash: How to flush output to a file while running

    - by noam
    I have a small script, which is called daily by crontab using the following command: /homedir/MyScript &> some_log.log The problem with this method is that some_log.log is only created after MyScript finishes. I would like to flush the output of the program into the file while it's running so I could do things like tail -f some_log.log and keep track of the progress, etc.

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  • Remove Trailing Slash From Batch File Input

    - by Brook
    I have a batch file that I want to improve. Instead of requiring a user to provide a folder path without a trailing slash, is there an easy way for me to just remove the last character from the path if there is a slash on the end? :START @echo What folder do you want to process? (Provide a path without a closing backslash) set /p datapath= ::Is string empty? IF X%datapath% == X GOTO:START ::Does string have a trailing slash? IF %datapath:~-1%==\ GOTO:START

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  • Read from a file into an array and stop if a ":" is found in ruby

    - by Minky
    Hi! How can I in Ruby read a string from a file into an array and only read and save in the array until I get a certain marker such as ":" and stop reading? Any help would be much appreciated =) For example: 10.199.198.10:111 test/testing/testing (EST-08532522) 10.199.198.12:111 test/testing/testing (EST-08532522) 10.199.198.13:111 test/testing/testing (EST-08532522) Should only read the following and be contained in the array: 10.199.198.10 10.199.198.12 10.199.198.13

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  • Execution output to text file

    - by Radhika
    Hi all, I am writing a C program using Visual Studio 2008. I use F7 to compile and F5 to execute the program.When I press F5 an execution window contains the output. But I want the output to get saved to a text file. How to do this in visual studio. Please help me someone.

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  • Rookie file permissions question

    - by Camran
    What is the ending 'r' for and the leading 'd' for in file permissions on Linux? Example: drwxr-xr-x I know about the user, group, others part, and I know w=write, r=read, x=execute. But I don't know about the leading 'd' and the trailing 'r'. Care to explain? Thanks

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