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  • The Chrome Web Store

    We believe it should be easier for users to discover web apps and for developers to reach a large audience. That’s why today at Google I/O , we...

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  • Java: If vs. Switch

    - by _ande_turner_
    I have a piece of code with a) which I replaced with b) purely for legibility ... a) if ( WORD[ INDEX ] == 'A' ) branch = BRANCH.A; /* B through to Y */ if ( WORD[ INDEX ] == 'Z' ) branch = BRANCH.Z; b) switch ( WORD[ INDEX ] ) { case 'A' : branch = BRANCH.A; break; /* B through to Y */ case 'Z' : branch = BRANCH.Z; break; } ... will the switch version cascade through all the permutations or jump to a case ? EDIT: Some of the answers below regard alternative approaches to the approach above. I have included the following to provide context for its use. The reason I asked, the Question above, was because the speed of adding words empirically improved. This isn't production code by any means, and was hacked together quickly as a PoC. The following seems to be a confirmation of failure for a thought experiment. I may need a much bigger corpus of words than the one I am currently using though. The failure arises from the fact I did not account for the null references still requiring memory. ( doh ! ) public class Dictionary { private static Dictionary ROOT; private boolean terminus; private Dictionary A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z; private static Dictionary instantiate( final Dictionary DICTIONARY ) { return ( DICTIONARY == null ) ? new Dictionary() : DICTIONARY; } private Dictionary() { this.terminus = false; this.A = this.B = this.C = this.D = this.E = this.F = this.G = this.H = this.I = this.J = this.K = this.L = this.M = this.N = this.O = this.P = this.Q = this.R = this.S = this.T = this.U = this.V = this.W = this.X = this.Y = this.Z = null; } public static void add( final String...STRINGS ) { Dictionary.ROOT = Dictionary.instantiate( Dictionary.ROOT ); for ( final String STRING : STRINGS ) Dictionary.add( STRING.toUpperCase().toCharArray(), Dictionary.ROOT , 0, STRING.length() - 1 ); } private static void add( final char[] WORD, final Dictionary BRANCH, final int INDEX, final int INDEX_LIMIT ) { Dictionary branch = null; switch ( WORD[ INDEX ] ) { case 'A' : branch = BRANCH.A = Dictionary.instantiate( BRANCH.A ); break; case 'B' : branch = BRANCH.B = Dictionary.instantiate( BRANCH.B ); break; case 'C' : branch = BRANCH.C = Dictionary.instantiate( BRANCH.C ); break; case 'D' : branch = BRANCH.D = Dictionary.instantiate( BRANCH.D ); break; case 'E' : branch = BRANCH.E = Dictionary.instantiate( BRANCH.E ); break; case 'F' : branch = BRANCH.F = Dictionary.instantiate( BRANCH.F ); break; case 'G' : branch = BRANCH.G = Dictionary.instantiate( BRANCH.G ); break; case 'H' : branch = BRANCH.H = Dictionary.instantiate( BRANCH.H ); break; case 'I' : branch = BRANCH.I = Dictionary.instantiate( BRANCH.I ); break; case 'J' : branch = BRANCH.J = Dictionary.instantiate( BRANCH.J ); break; case 'K' : branch = BRANCH.K = Dictionary.instantiate( BRANCH.K ); break; case 'L' : branch = BRANCH.L = Dictionary.instantiate( BRANCH.L ); break; case 'M' : branch = BRANCH.M = Dictionary.instantiate( BRANCH.M ); break; case 'N' : branch = BRANCH.N = Dictionary.instantiate( BRANCH.N ); break; case 'O' : branch = BRANCH.O = Dictionary.instantiate( BRANCH.O ); break; case 'P' : branch = BRANCH.P = Dictionary.instantiate( BRANCH.P ); break; case 'Q' : branch = BRANCH.Q = Dictionary.instantiate( BRANCH.Q ); break; case 'R' : branch = BRANCH.R = Dictionary.instantiate( BRANCH.R ); break; case 'S' : branch = BRANCH.S = Dictionary.instantiate( BRANCH.S ); break; case 'T' : branch = BRANCH.T = Dictionary.instantiate( BRANCH.T ); break; case 'U' : branch = BRANCH.U = Dictionary.instantiate( BRANCH.U ); break; case 'V' : branch = BRANCH.V = Dictionary.instantiate( BRANCH.V ); break; case 'W' : branch = BRANCH.W = Dictionary.instantiate( BRANCH.W ); break; case 'X' : branch = BRANCH.X = Dictionary.instantiate( BRANCH.X ); break; case 'Y' : branch = BRANCH.Y = Dictionary.instantiate( BRANCH.Y ); break; case 'Z' : branch = BRANCH.Z = Dictionary.instantiate( BRANCH.Z ); break; } if ( INDEX == INDEX_LIMIT ) branch.terminus = true; else Dictionary.add( WORD, branch, INDEX + 1, INDEX_LIMIT ); } public static boolean is( final String STRING ) { Dictionary.ROOT = Dictionary.instantiate( Dictionary.ROOT ); return Dictionary.is( STRING.toUpperCase().toCharArray(), Dictionary.ROOT, 0, STRING.length() - 1 ); } private static boolean is( final char[] WORD, final Dictionary BRANCH, final int INDEX, final int INDEX_LIMIT ) { Dictionary branch = null; switch ( WORD[ INDEX ] ) { case 'A' : branch = BRANCH.A; break; case 'B' : branch = BRANCH.B; break; case 'C' : branch = BRANCH.C; break; case 'D' : branch = BRANCH.D; break; case 'E' : branch = BRANCH.E; break; case 'F' : branch = BRANCH.F; break; case 'G' : branch = BRANCH.G; break; case 'H' : branch = BRANCH.H; break; case 'I' : branch = BRANCH.I; break; case 'J' : branch = BRANCH.J; break; case 'K' : branch = BRANCH.K; break; case 'L' : branch = BRANCH.L; break; case 'M' : branch = BRANCH.M; break; case 'N' : branch = BRANCH.N; break; case 'O' : branch = BRANCH.O; break; case 'P' : branch = BRANCH.P; break; case 'Q' : branch = BRANCH.Q; break; case 'R' : branch = BRANCH.R; break; case 'S' : branch = BRANCH.S; break; case 'T' : branch = BRANCH.T; break; case 'U' : branch = BRANCH.U; break; case 'V' : branch = BRANCH.V; break; case 'W' : branch = BRANCH.W; break; case 'X' : branch = BRANCH.X; break; case 'Y' : branch = BRANCH.Y; break; case 'Z' : branch = BRANCH.Z; break; } if ( branch == null ) return false; if ( INDEX == INDEX_LIMIT ) return branch.terminus; else return Dictionary.is( WORD, branch, INDEX + 1, INDEX_LIMIT ); } }

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  • Solving embarassingly parallel problems using Python multiprocessing

    - by gotgenes
    How does one use multiprocessing to tackle embarrassingly parallel problems? Embarassingly parallel problems typically consist of three basic parts: Read input data (from a file, database, tcp connection, etc.). Run calculations on the input data, where each calculation is independent of any other calculation. Write results of calculations (to a file, database, tcp connection, etc.). We can parallelize the program in two dimensions: Part 2 can run on multiple cores, since each calculation is independent; order of processing doesn't matter. Each part can run independently. Part 1 can place data on an input queue, part 2 can pull data off the input queue and put results onto an output queue, and part 3 can pull results off the output queue and write them out. This seems a most basic pattern in concurrent programming, but I am still lost in trying to solve it, so let's write a canonical example to illustrate how this is done using multiprocessing. Here is the example problem: Given a CSV file with rows of integers as input, compute their sums. Separate the problem into three parts, which can all run in parallel: Process the input file into raw data (lists/iterables of integers) Calculate the sums of the data, in parallel Output the sums Below is traditional, single-process bound Python program which solves these three tasks: #!/usr/bin/env python # -*- coding: UTF-8 -*- # basicsums.py """A program that reads integer values from a CSV file and writes out their sums to another CSV file. """ import csv import optparse import sys def make_cli_parser(): """Make the command line interface parser.""" usage = "\n\n".join(["python %prog INPUT_CSV OUTPUT_CSV", __doc__, """ ARGUMENTS: INPUT_CSV: an input CSV file with rows of numbers OUTPUT_CSV: an output file that will contain the sums\ """]) cli_parser = optparse.OptionParser(usage) return cli_parser def parse_input_csv(csvfile): """Parses the input CSV and yields tuples with the index of the row as the first element, and the integers of the row as the second element. The index is zero-index based. :Parameters: - `csvfile`: a `csv.reader` instance """ for i, row in enumerate(csvfile): row = [int(entry) for entry in row] yield i, row def sum_rows(rows): """Yields a tuple with the index of each input list of integers as the first element, and the sum of the list of integers as the second element. The index is zero-index based. :Parameters: - `rows`: an iterable of tuples, with the index of the original row as the first element, and a list of integers as the second element """ for i, row in rows: yield i, sum(row) def write_results(csvfile, results): """Writes a series of results to an outfile, where the first column is the index of the original row of data, and the second column is the result of the calculation. The index is zero-index based. :Parameters: - `csvfile`: a `csv.writer` instance to which to write results - `results`: an iterable of tuples, with the index (zero-based) of the original row as the first element, and the calculated result from that row as the second element """ for result_row in results: csvfile.writerow(result_row) def main(argv): cli_parser = make_cli_parser() opts, args = cli_parser.parse_args(argv) if len(args) != 2: cli_parser.error("Please provide an input file and output file.") infile = open(args[0]) in_csvfile = csv.reader(infile) outfile = open(args[1], 'w') out_csvfile = csv.writer(outfile) # gets an iterable of rows that's not yet evaluated input_rows = parse_input_csv(in_csvfile) # sends the rows iterable to sum_rows() for results iterable, but # still not evaluated result_rows = sum_rows(input_rows) # finally evaluation takes place as a chain in write_results() write_results(out_csvfile, result_rows) infile.close() outfile.close() if __name__ == '__main__': main(sys.argv[1:]) Let's take this program and rewrite it to use multiprocessing to parallelize the three parts outlined above. Below is a skeleton of this new, parallelized program, that needs to be fleshed out to address the parts in the comments: #!/usr/bin/env python # -*- coding: UTF-8 -*- # multiproc_sums.py """A program that reads integer values from a CSV file and writes out their sums to another CSV file, using multiple processes if desired. """ import csv import multiprocessing import optparse import sys NUM_PROCS = multiprocessing.cpu_count() def make_cli_parser(): """Make the command line interface parser.""" usage = "\n\n".join(["python %prog INPUT_CSV OUTPUT_CSV", __doc__, """ ARGUMENTS: INPUT_CSV: an input CSV file with rows of numbers OUTPUT_CSV: an output file that will contain the sums\ """]) cli_parser = optparse.OptionParser(usage) cli_parser.add_option('-n', '--numprocs', type='int', default=NUM_PROCS, help="Number of processes to launch [DEFAULT: %default]") return cli_parser def main(argv): cli_parser = make_cli_parser() opts, args = cli_parser.parse_args(argv) if len(args) != 2: cli_parser.error("Please provide an input file and output file.") infile = open(args[0]) in_csvfile = csv.reader(infile) outfile = open(args[1], 'w') out_csvfile = csv.writer(outfile) # Parse the input file and add the parsed data to a queue for # processing, possibly chunking to decrease communication between # processes. # Process the parsed data as soon as any (chunks) appear on the # queue, using as many processes as allotted by the user # (opts.numprocs); place results on a queue for output. # # Terminate processes when the parser stops putting data in the # input queue. # Write the results to disk as soon as they appear on the output # queue. # Ensure all child processes have terminated. # Clean up files. infile.close() outfile.close() if __name__ == '__main__': main(sys.argv[1:]) These pieces of code, as well as another piece of code that can generate example CSV files for testing purposes, can be found on github. I would appreciate any insight here as to how you concurrency gurus would approach this problem. Here are some questions I had when thinking about this problem. Bonus points for addressing any/all: Should I have child processes for reading in the data and placing it into the queue, or can the main process do this without blocking until all input is read? Likewise, should I have a child process for writing the results out from the processed queue, or can the main process do this without having to wait for all the results? Should I use a processes pool for the sum operations? If yes, what method do I call on the pool to get it to start processing the results coming into the input queue, without blocking the input and output processes, too? apply_async()? map_async()? imap()? imap_unordered()? Suppose we didn't need to siphon off the input and output queues as data entered them, but could wait until all input was parsed and all results were calculated (e.g., because we know all the input and output will fit in system memory). Should we change the algorithm in any way (e.g., not run any processes concurrently with I/O)?

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  • Create an axpanding image with CSS and div or span

    - by user1594895
    I have a complex image cutted up in alot of slice. You can see http://jsfiddle.net/yefQR/ <!--Force IE6 into quirks mode with this comment tag--> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>Page Title</title> <style type="text/css"> body{ margin: 0; padding: 0; border: 0; overflow: hidden; height: 100%; max-height: 100%; } #framecontentTop, #framecontentBottom{ position: absolute; top: 0; left: 0; width: 100%; height: 130px; /*Height of top frame div*/ overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/ background-color: navy; color: white; } #framecontentBottom{ top: auto; bottom: 0; height: 110px; /*Height of bottom frame div*/ overflow: hidden; /*Disable scrollbars. Set to "scroll" to enable*/ background-color: navy; color: white; } #maincontent{ position: fixed; top: 130px; /*Set top value to HeightOfTopFrameDiv*/ left: 0; right: 0; bottom: 110px; /*Set bottom value to HeightOfBottomFrameDiv*/ overflow: auto; background: #fff; } .innertube{ margin: 15px; /*Margins for inner DIV inside each DIV (to provide padding)*/ } * html body{ /*IE6 hack*/ padding: 130px 0 110px 0; /*Set value to (HeightOfTopFrameDiv 0 HeightOfBottomFrameDiv 0)*/ } * html #maincontent{ /*IE6 hack*/ height: 100%; width: 100%; } </style> </head> <body> <div id="framecontentTop"> <div class="innertube"> <div id="screenshot%20tsam%20900r2c2" style=" background-color: green;position:absolute; left:4px; top:6px; width:20px; height:68px; z-index:1; visibility:visible; "> </div> <div id="screenshot%20tsam%20900r2c3" style="background-color: yellow; position:absolute; left:24px; top:6px;width:47px; height:68px;z-index:2; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c4" style="background-color: red; position:absolute; left:71px; top:6px;width:165px; height:68px;z-index:3; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c5" style="background-color: black; position:absolute; left:236px; top:6px;width:62px; height:68px;z-index:4; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c6" style="background-color: pink; position:absolute; left:298px; top:6px;width:147px; height:68px;z-index:5; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c7" style="background-color: orange; position:absolute; left:445px; top:6px;width:311px; height:37px;z-index:6; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c9" style="background-color: cyan; position:absolute; left:756px; top:6px;width:108px; height:37px;z-index:7; visibility:visible;"></div> <div id="screenshot%20tsam%20900r2c11" style="background-color: white; position:absolute; left:864px; top:6px;width:27px; height:37px;z-index:8; visibility:visible;"></div> <div id="screenshot%20tsam%20900r3c7" style="background-color: DodgerBlue; position:absolute; left:445px; top:43px;width:8px; height:31px;z-index:9; visibility:visible;"></div> <div id="screenshot%20tsam%20900r3c8" style="background-color: Gold; position:absolute; left:453px; top:43px;width:355px; height:31px;z-index:10; visibility:visible;"></div> <div id="screenshot%20tsam%20900r3c10" style="background-color: LightCyan ; position:absolute; left:808px; top:43px;width:83px; height:31px;z-index:11; visibility:visible;"></div> </div> </div> <div id="framecontentBottom"> <div class="innertube"> <h3>Sample text here</h3> </div> </div> <div id="maincontent"> <div class="innertube"> <h1>Lorem</h1> <p> Lorem ipsum </p> <p style="text-align: center">Vestibulum </p> </div> </div> </body> </html> Id like to make : 1) the header image autoexpanding using the repeated-y css property of DodgerBlue color and Orange div because thy are the only 2 part of image axpandible. 2) Is it possible to define a minimum size of header, and is possible to make the entire body minimum size based that size so the browser cant get smaller an if the window get smaller, scrollbar is show.

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  • JQgrid - Get Row Number instead of ID

    - by mariojjsimoes
    Hello, all, I am creating a JQGrid from a database table that does not contain a single field primary key. Therefore, the field i am supplying as id is not unique and the same one exists in several rows. Because of this, when passing a reference to the data with ondblClickRow to a function external to the grid i need to use the rownumber and not the id. To test, I'm using ondblClickRow: function(id){alert($("#grid1").getInd('rowid'));}, , and i should be getting and alert with the row number, except that it isn't working. I've been over the documentation and can't understand what i am doing wrong... Any help would be greatly appreciated! Thanks in advance, Mario. Bellow is my full grid: jQuery(document).ready(function(){ var mygrid = jQuery("#grid1").jqGrid({ datatype: 'xmlstring', datastr : grid1RsXML, width: 1024, height: 500, colNames:['DEVICE_ID','JOB_SIZE_IN_BYTES', 'USER_NAME','HOST_NAME','DAY_OF_WEEK','JOB_ID'], colModel:[ {name:'DEVICE_ID',index:'DEVICE_ID', width:55, sortable:true}, {name:'JOB_SIZE_IN_BYTES',index:'JOB_SIZE_IN_BYTES', width:40, sortable:true}, {name:'USER_NAME',index:'USER_NAME', width:60, sortable:true}, {name:'HOST_NAME',index:'HOST_NAME', width:50,align:"right", sortable:true}, {name:'DAY_OF_WEEK',index:'DAY_OF_WEEK', width:10, sortable:true}, {name:'JOB_ID',index:'JOB_ID', width:30, sortable:true} ], rowNum:1000, autowidth: true, //rowList:[10,20,30], rowList:[1], pager: '#grid1Pager', sortname: 'DEVICE_ID', viewrecords: true, rownumbers: true, sortorder: "desc", sortable: true, gridview : true, xmlReader: { root : "recordset", row: "record", repeatitems: false, id: "DEVICE_ID" }, caption:"All Jobs - Double Click for detailed history", ondblClickRow: function(id){alert($("#grid1").getInd('rowid'));}, toolbar: [true,"top"], url: grid1RsXML });

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  • JQGrid datatype as Ajax function not getting called

    - by mraman
    Hi, JQGrid datatype as Ajax function not getting called. once i tried to debug using firebug, found out that those lines are not exectuced. please let me know the issue with my code. Thanks in advance. jQuery("#list").jqGrid({ //url:'example.xml', datatype: function() { $.ajax({ url: "example.xml", data: "{}", dataType: "xml", mtype: "GET", complete: function(jsondata, stat) { alert((jsondata.responseText)); if (stat == "success") { alert("ew"); } }, error : function () {alert("error")} }); }, colNames:['QueueName','SLA Associated', 'SLA met', 'SLA Breached', 'SLA MET %', 'SLA Breached %'], colModel :[ {name:'QueueName',index:'QueueName', width:150}, {name:'SLAAssociated',index:'SLAAssociated', width:150}, {name:'SLAmet',index:'SLAmet', width:150}, {name:'SLABreached',index:'SLABreached', width:150}, {name:'SLAMETPer',index:'SLAMETPer', width:150}, {name:'SLABreachedPer',index:'SLABreachedPer', width:150} ], pager: jQuery('#pager1'), rowNum:1, rowList:[5,10], imgpath: 'themes/basic/images' }); in Header i add as follows <html xmlns="http://www.w3.org/1999/xhtml"> <link rel="stylesheet" type="text/css" media="screen" href="themes/basic/grid.css" /> <link rel="stylesheet" type="text/css" media="screen" href="themes/jqModal.css" /> <link rel="stylesheet" type="text/css" media="screen" href="css/report.css" /> <script src="jquery.js" type="text/javascript"></script> <script src="jquery.jqGrid.js" type="text/javascript"></script> <script src="js/jqModal.js" type="text/javascript"></script> <script src="js/jqDnR.js" type="text/javascript"></script>

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  • How to make Delphi Prism indexed properties visible to C# when properties are not default

    - by Arcturus
    I have several Delphi Prism classes with indexed properties that I use a lot on my C# web applications (we are migrating a big Delphi Win32 system to ASP.Net). My problem is that it seems that C# can't see the indexed properties if they aren't the default properties of their classes. Maybe I'm doing something wrong, but I'm completely lost. I know that this question looks a lot like a bug report, but I need to know if someone else knows how to solve this before I report a bug. If I have a class like this: TMyClass = public class private ... method get_IndexedBool(index: Integer): boolean; method set_IndexedBool(index: Integer; value: boolean); public property IndexedBool[index: Integer]: boolean read get_IndexedBool write set_IndexedBool; default; // make IndexedBool the default property end; I can use this class in C# like this: var myObj = new TMyClass(); myObj[0] = true; However, if TMyClass is defined like this: TMyClass = public class private ... method get_IndexedBool(index: Integer): boolean; method set_IndexedBool(index: Integer; value: boolean); public property IndexedBool[index: Integer]: boolean read get_IndexedBool write set_IndexedBool; // IndexedBool is not the default property anymore end; Then the IndexedBool property becomes invisible in C#. The only way I can use it is doing this: var myObj = new TMyClass(); myObj.set_IndexedBool(0, true); I don't know if I'm missing something, but I can't see the IndexedBool property if I remove the default in the property declaration. Besides that, I'm pretty sure that it is wrong to have direct access to a private method of a class instance. Any ideas?

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  • MVC controller is being called twice

    - by rboarman
    Hello, I have a controller that is being called twice from an ActionLink call. My home page has a link, that when clicked calls the Index method on the Play controller. An id of 100 is passed into the method. I think this is what is causing the issue. More on this below. Here are some code snippets: Home page: <%= Html.ActionLink(“Click Me”, "Index", "Play", new { id = 100 }, null) %> Play Controller: public ActionResult Index(int? id) { var settings = new Dictionary<string, string>(); settings.Add("Id", id.ToString()); ViewData["InitParams"] = settings.ToInitParams(); return View(); } Play view: <%@ Page Title="" Language="C#" Inherits="System.Web.Mvc.ViewPage" %> (html <head> omitted for brevity) <body> <form id="form1" runat="server" style="height:100%"> Hello </form> </body> If I get rid of the parameter to the Index method, everything is fine. If I leave the parameter in place, then the Index method is called with 100 as the id. After returning the View, the method is called a second time with a parameter of null. I can’t seem to figure out what is triggering the second call. My first thought was to add a specific route like this: routes.MapRoute( "Play", // Route name "Play/{id}", // URL with parameters new {controller = "Play", action = "Index"} // Parameter defaults ); This had no effect other than making a prettier looking link. I am not sure where to go from here. Thank you in advance. Rick

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  • Issue on file existence in C

    - by darkie15
    Hi All, Here is my code which checks if the file exists : #include<stdio.h> #include<zlib.h> #include<unistd.h> #include<string.h> int main(int argc, char *argv[]) { char *path=NULL; FILE *file = NULL; char *fileSeparator = "/"; size_t size=100; int index ; printf("\nArgument count is = %d", argc); if (argc <= 1) { printf("\nUsage: ./output filename1 filename2 ..."); printf("\n The program will display human readable information about the PNG file provided"); } else if (argc > 1) { for (index = 1; index < argc;index++) { path = getcwd(path, size); strcat(path, fileSeparator); printf("\n File name entered is = %s", argv[index]); strcat(path,argv[index]); printf("\n The complete path of the file name is = %s", path); if (access(path, F_OK) != -1) { printf("File does exist"); } else { printf("File does not exist"); } path=NULL; } } return 0; } On running the command ./output test.txt test2.txt The output is: $ ./output test.txt test2.txt Argument count is = 3 File name entered is = test.txt The complete path of the file name is = /home/welcomeuser/test.txt File does not exist File name entered is = test2.txt The complete path of the file name is = /home/welcomeuser/test2.txt File does not exist Now test.txt does exist on the system: $ ls assignment.c output.exe output.exe.stackdump test.txt and yet test.txt is shown as a file not existing. Please help me understand the issue here. Also, please feel free to post any suggestions to improve the code/avoid a bug. Regards, darkie

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  • how to redirect the page when you click the tab( jquery Tab)

    - by kumar
    Hello, I have four jquery tabs in my masterpage.. <div class="floatCenter"></div> <ul> <li><%=Html.ActionLink("A", "index", "shared", new { area = "a" }, new { @id = "a" })%></li> <li><%=Html.ActionLink("B", "index", "shared", new { area = "b" }, new { @id = "b" })%></li> <li><%=Html.ActionLink("C", "index", "shared", new { area = "c" }, new { @id = "c" })%></li> <li><%=Html.ActionLink("D", "index", "shared", new { area = "d" }, new { @id = "d" })%></li> <li><%=Html.ActionLink("E", "index", "shared", new { area = "e" }, new { @id = "e" })%></li> <li><%=Html.ActionLink("F", "index", "shared", new { area = "f" }, new { @id = "f" })%></li> </ul> </div> so when I click user on B tab I should not give permision to the user to access that link? I need to redirect the home ..again.. and also i shoudl not give permision to access the controler actoin in the B tab from URL? thanks

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  • Cloning and renaming form elements with jQuery

    - by Micor
    I am looking for an effective way to either clone/rename or re-create address fields to offer ability to submit multiple addresses on the same page. So with form example like this: <div id="addresses"> <div class="address"> <input type="text" name="address[0].street"> <input type="text" name="address[0].city"> <input type="text" name="address[0].zip"> <input type="text" name="address[0].state"> </div> </div> <a href="" id="add_address">Add address form</a> From what I can understand there are two options to do that: Recreate the form field by field and increment the index which is kind of verbose: var index = $(".address").length; $('<`input`>').attr({ name: 'address[' + index + '].street', type: 'text' }).appendTo(...); $('<`input`>').attr({ name: 'address[' + index + '].city', type: 'text' }).appendTo(...); $('<`input`>').attr({ name: 'address[' + index + '].zip', type: 'text' }).appendTo(...); $('<`input`>').attr({ name: 'address[' + index + '].state', type: 'text' }).appendTo(...); Clone Existing layer and replace the name in the clone: $("div.address").clone().appendTo($("#addresses")); Which one do you recommend using in terms of being more efficient and if its #2 can you please suggest how I would go about search and replacing all occurrences of [0] with [1] ([n]). Thank you.

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  • Test Ruby-on-Rails controller with RSpec and different route name

    - by jhwist
    I have a Rails model named Xpmodule with a corresponding controller XpmoduleController. class XpmoduleController < ApplicationController def index @xpmodule = Xpmodule.find(params[:module_id]) end def subscribe flash[:notice] = "You are now subscribed to #{params[:subscription][:title]}" redirect_to :action => :index end end The original intent was to name the model Module which for obvious reasons doesn't work. However I still want to have the URLs look like /module/4711/ therefore I added this to my routes.rb: map.connect '/module/:module_id', :controller => 'xpmodule', :action => 'index' map.connect '/module/:module_id/subscribe', :controller => 'xpmodule', :action => 'subscribe' Now I want to test this controller with Rspec: describe XpmoduleController do fixtures :xpmodules context "index" do it "should assign the current xpmodule" do xpm = mock_model(Xpmodule) Xpmodule.should_receive(:find).and_return(xpm) get "index" assigns[:xpmodule].should be_an_instance_of(Xpmodule) end end end for which I get No route matches {:action=>"index", :controller=>"xpmodule"}. Which of course is sort-of right, but I don't want to add this route just for testing purposes. Is there a way to tell Rspec to call a different URL in get?

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  • Apache is sending php files to my browser instead of parsing

    - by justen doherty
    i have to setup php on an existing web host, i have made a virtual host entry but for some reason apache is sending the php to the browser instead of parsing.. from googling around it looks like its a problem with the mimetypes, but im not an apache expert by any means - so if anyone can help it would be appreciated... i have the following in my httpd.conf AddHandler php5-script php DirectoryIndex index.html index.phtml index.php index.phps AddType application/x-httpd-php .phtml AddType application/x-httpd-php .php AddType application/x-httpd-php-source .phps the php module is loaded into apache: /usr/sbin/apachectl -M Loaded Modules: core_module (static) mpm_prefork_module (static) http_module (static) so_module (static) auth_basic_module (shared) auth_digest_module (shared) authn_file_module (shared) authn_alias_module (shared) authn_anon_module (shared) authn_dbm_module (shared) authn_default_module (shared) authz_host_module (shared) authz_user_module (shared) authz_owner_module (shared) authz_groupfile_module (shared) authz_dbm_module (shared) authz_default_module (shared) ldap_module (shared) authnz_ldap_module (shared) include_module (shared) log_config_module (shared) logio_module (shared) env_module (shared) ext_filter_module (shared) mime_magic_module (shared) expires_module (shared) deflate_module (shared) headers_module (shared) usertrack_module (shared) setenvif_module (shared) mime_module (shared) dav_module (shared) status_module (shared) autoindex_module (shared) info_module (shared) dav_fs_module (shared) vhost_alias_module (shared) negotiation_module (shared) dir_module (shared) actions_module (shared) speling_module (shared) userdir_module (shared) alias_module (shared) rewrite_module (shared) proxy_module (shared) proxy_balancer_module (shared) proxy_ftp_module (shared) proxy_http_module (shared) proxy_connect_module (shared) cache_module (shared) suexec_module (shared) disk_cache_module (shared) file_cache_module (shared) mem_cache_module (shared) cgi_module (shared) version_module (shared) fcgid_module (shared) perl_module (shared) php5_module (shared) proxy_ajp_module (shared) ssl_module (shared) and this is my virtual host entry: ServerName viridor-cms.co.uk ServerAlias www.viridor-cms.co.uk UseCanonicalName Off DocumentRoot /var/www/vhosts/viridor-cms.co.uk/httpdocs CustomLog /var/www/vhosts/viridor-cms.co.uk/cms-access_log common ErrorLog /var/www/vhosts/viridor-cms.co.uk/cms-error_log DirectoryIndex index.php index.html php_admin_flag engine on php_admin_flag safe_mode on php_admin_flag engine on php_admin_flag safe_mode on AddType application/x-httpd-php .php AddType application/x-httpd-php-source .phps please help, my head is so sore from banging it againest the table and the wall !

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  • Composite key syntax in Boost MultiIndex

    - by Sarah
    Even after studying the examples, I'm having trouble figuring out how to extract ranges using a composite key on a MultiIndex container. typedef multi_index_container< boost::shared_ptr< Host >, indexed_by< hashed_unique< const_mem_fun<Host,int,&Host::getID> >, // ID index ordered_non_unique< const_mem_fun<Host,int,&Host::getAgeInY> >, // Age index ordered_non_unique< const_mem_fun<Host,int,&Host::getHousehold> >, // Household index ordered_non_unique< // Age & eligibility status index composite_key< Host, const_mem_fun<Host,int,&Host::getAgeInY>, const_mem_fun<Host,bool,&Host::isPaired> > > > // end indexed_by > HostContainer; My goal is to get an iterator pointing to the first of the subset of elements in HostContainer hmap that has age partnerAge and returns false to Host::isPaired(): std::pair< hmap::iterator,hmap::iterator > pit = hmap.equal_range(boost::make_tuple( partnerAge, false ) ); I think this is very wrong. How/Where do I specify the iterator index (which should be 3 for age & eligibility)? I will include other composite keys in the future. What exactly are the two iterators in std::pair? (I'm copying syntax from an example that I don't understand.) I would ideally use std::count to calculate the number of elements of age partnerAge that are eligible (return false to Host::isPaired()). What is the syntax for extracting the sorted index that meets these requirements? I'm obviously still learning C++ syntax. Thanks in advance for any help.

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  • How to scroll programmetically to selected cover in coverflow view ?

    - by hib
    Hi all , I am using a coverflow component for my application . It is working nicely till now . But now I want to scroll to selected cover in coverflow . I am currently doing this : TKCoverView *cover = [self.coverflow coverAtIndex:currentIndex]; CGRect frame = cover.frame ; frame.origin.x = frame.origin.x * 1.2; // **main setting** [self.coverflow bringCoverAtIndexToFront:currentIndex animated:YES]; [self.coverflow scrollRectToVisible:frame animated:YES]; and the cover At index method - (TKCoverView*) coverflowView:(TKCoverflowView*)coverflowView coverAtIndex:(int)index{ TKCoverView *cover = [coverflowView dequeueReusableCoverView]; NSLog(@"Index value :%i",index); if(cover == nil){ cover = [[[TKCoverView alloc] initWithFrame:CGRectMake(0, 0, 224, 300)] autorelease]; // 224 cover.baseline = 224; cover.image = [UIImage imageNamed:@"Placeholder_2.png"]; cover.tag = index; }else { cover.image = ((object *)[array objectAtIndex:index]).appIconNormal; } return cover; and - (TKCoverView*) dequeueReusableCoverView{ if(yard == nil || [yard count] < 1) return nil; TKCoverView *v = [[[yard lastObject] retain] autorelease]; v.layer.transform = CATransform3DIdentity; [yard removeLastObject]; return v; } So can any one tell me what is the perfect and standard way of setting the frame for the scrollRectToVisibleRegion method .

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  • Wildcard subdomain .htaccess and Codeigniter

    - by Gautam
    Hi All, I am trying to create the proper .htaccess that would allow me to map as such: http://domain.com/ --> http://domain.com/home http://domain.com/whatever --> http://domain.com/home/whatever http://user.domain.com/ --> http://domain.com/user http://user.domain.com/whatever --> http://domain.com/user/whatever/ Here, someone would type in the above URLs, however internally, it would be redirecting as if it were the URL on the right. Also the subdomain would be dynamic (that is, http://user.domain.com isn't an actual subdomain but would be a .htaccess rewrite) Also /home is my default controller so no subdomain would internally force it to /home controller and any paths following it (as shown in #2 example above) would be the (catch-all) function within that controller. Like wise if a subdomain is passed it would get passed as a (catch-all) controller along with any (catch-all) functions for it (as shown in #4 example above) Hopefully I'm not asking much here but I can't seem to figure out the proper .htaccess or routing rules (in Codeigniter) for this. httpd.conf and hosts are setup just fine. EDIT #1 Here's my .htaccess that is coming close but is messing up at some point: RewriteEngine On RewriteBase / RewriteCond %{SCRIPT_FILENAME} !-d RewriteCond %{SCRIPT_FILENAME} !-f RewriteCond %{HTTP_HOST} ^([a-z0-9-]+).domain [NC] RewriteRule (.*) index.php/%1/$1 [QSA] RewriteCond $1 !^(index\.php|images|robots\.txt) RewriteRule ^(.*)$ /index.php/$1 [L,QSA] With the above, when I visit: http://test.domain/abc/123 this is what I notice in $_SERVER var (I've removed some of the fields): Array ( [REDIRECT_STATUS] => 200 [SERVER_NAME] => test.domain [REDIRECT_URL] => /abc/123 [QUERY_STRING] => [REQUEST_URI] => /abc/123 [SCRIPT_NAME] => /index.php [PATH_INFO] => /test/abc/123 [PATH_TRANSLATED] => redirect:\index.php\test\test\abc\123\abc\123 [PHP_SELF] => /index.php/test/abc/123 ) You can see the PATH_TRANSLATED is not properly being formed and I think that may be screwing things up?

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  • ASP.NET MVC View Engine Resolution Sequence

    - by intangible02
    I created a simple ASP.NET MVC version 1.0 application. I have a ProductController which has one action Index. In the view, I created a corresponding Index.aspx under Product subfolder. Then I referenced the Spark dll and created Index.spark under the same Product view folder. The Application_Start looks like protected void Application_Start() { RegisterRoutes(RouteTable.Routes); ViewEngines.Engines.Clear(); ViewEngines.Engines.Add(new Spark.Web.Mvc.SparkViewFactory()); ViewEngines.Engines.Add(new WebFormViewEngine()); } My expectation is that since the Spark engine registers before default WebFormViewEngine, when browse the Index action in Product controller, the Spark engine should be used, and WebFormViewEngine should be used for all other urls. However, the test shows that the Index action for Product controller also uses the WebFormViewEngine. If I comment out the registration of WebFormViewEnginer (the last line in the code), I can see that the Index action is rendered by Spark engine and the rest urls generates an error (since the defualt engine is gone), it proves that all my Spark code is correct. Now my question is how the view engine is resolved? Why the registration sequence does not take effect?

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  • Perl - MySQL connection problem in windows

    - by dexter
    I have two folders php and perl they contain index.php and index.pl respectivly in index.pl my perl code looks like: #!/usr/bin/perl use Mysql; print "Content-type: text/html\n\n"; print "<h2>PERL-mySQL Connect</h2>"; print "page info"; $host = "localhost"; $database = "cdcol"; $user = "root"; $password = ""; $db = Mysql->connect($host, $database, $user, $password); $db->selectdb($database); when i run above code (ie type: http://localhost:88/perl/ in browser) following error comes Error message: Can't locate Mysql.pm in @INC (@INC contains: C:/xampp/perl/site/lib/ C:/xampp/perl/lib C:/xampp/perl/site/lib C:/xampp/apache) at C:/xampp/htdocs/perl/index.pl line 2. BEGIN failed--compilation aborted at C:/xampp/htdocs/perl/index.pl line 2. while this works: in browser http://localhost:88/php/ where index.php has: <?php $con = mysql_connect("localhost","root",""); if($con) { if(mysql_select_db("cdcol", $con)) { $sql="SELECT Id From products"; if(mysql_query($sql)) { $result = mysql_query($sql); if ($result)............

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  • how to clear jqgrid when i click button in asp.net mvc

    - by sandeep
    hi ,i am new to jqgrid , i'm placing the code what i did .my question is that when i click html button i need to refresh the grid value with new values?how i pass paramateres to controller? thanks in advance jQuery(document).ready(function() { $("#btnSearch").click(function() { jqGridContainer.dir. var StateId = document.getElementById('StateId').value; var CityId = document.getElementById('CityId').value; var HName = document.getElementById('HospitalName').value; alert(CityId); alert(StateId); alert(HName); if (StateId 0 && CityId == '' && HName == '') { CityId = 0; HName = 'Default'.toString(); alert("elseif0" + HName.toString()); } else if (CityId 0 && StateId == '') { alert("elseif1"); alert("Please Select State..") } else if (CityId 0 && StateId 0 && HName == '') { alert("elseif2"); alert(CityId); alert(StateId); HName = "Default"; } else { alert("else"); StateId = 0; CityId = 0; HName = "Default"; } // $("#Submit1").click(function() { // //{ function gridReload() { // //var customer = $(this).val(); // $('#list').setGridParam({ url: '/Claim/DynamicGridData/?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, page: 1 // }).trigger("reloadGrid"); // Submit1.trigger("reloadGrid"); jQuery("#list").jqGrid({ url: '/Claim/DynamicGridData/?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, datatype: 'json', mtype: 'GET', colNames: ['Id', 'HospitalName', 'Address', 'City', 'District', 'FaxNumber', 'PhoneNumber'], colModel: [{ name: 'HospitalId', index: 'HospitalId', width: 40, align: 'left' }, { name: 'HospitalName', index: 'HospitalName', width: 40, align: 'left' }, { name: 'Address1', Address: 'Address1', width: 300 }, { name: 'CityName', index: 'CityName', width: 100 }, { name: 'DistName', index: 'DistName', width: 100 }, { name: 'FaxNo', index: 'FaxNo', width: 100 }, { name: 'ContactNo1', index: 'PhoneNumber', width: 100 } ], jsonReader: { repeatitems: true, id: "0" }, pager: jQuery('#pager'), rowNum: 10, rowList: [5, 10, 20, 50], // sortname: 'Id,', sortname: '1', sortorder: "asc", viewrecords: true, //multiselect: true, //multikey: "ctrlKey", imgpath: '/scripts/themes/coffee/images', caption: 'Hospital Search', width: 700, height: 250 }); }); });

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