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  • [Python] How do I read binary pickle data first, then unpickle it?

    - by conradlee
    I'm unpickling a NetworkX object that's about 1GB in size on disk. Although I saved it in the binary format (using protocol 2), it is taking a very long time to unpickle this file---at least half an hour. The system I'm running on has plenty of system memory (128 GB), so that's not the bottleneck. I've read here that pickling can be sped up by first reading the entire file into memory, and then unpickling it (that particular thread refers to python 3.0, which I'm not using, but the point should still be true in python 2.6). How do I first read the binary file, and then unpickle it? I have tried: import cPickle as pickle f = open("big_networkx_graph.pickle","rb") bin_data = f.read() graph_data = pickle.load(bin_data) But this returns: TypeError: argument must have 'read' and 'readline' attributes Any ideas?

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  • Building html tables from query data... faster?

    - by Andrew Heath
    With my limited experience/knowledge I am using the following structure to generate HTML tables on the fly from MySQL queries: $c = 0; $t = count($results); $table = '<table>'; while ($c < $t) { $table .= "<tr><td>$results[0]</td><td>$results[1]</td> (etc etc) </tr>"; ++$c; } $table .= '</table>'; this works, obviously. But for tables with 300+ rows there is a noticeable delay in pageload while the script builds the table. Currently the maximum results list is only about 1,100 rows, and the wait isn't long, but there's clearly a wait. Are there other methods for outputting an HTML table that are faster than my WHILE loop? (PHP only please...)

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  • How do I ensure a Flex dataProvider processes the data synchronously?

    - by Matt Calthrop
    I am using an component, and currently have a dataProvider working that is an ArrayCollection (have a separate question about how to make this an XML file... but I digress). Variable declaration looks like this: [Bindable] private var _dpImageList : ArrayCollection = new ArrayCollection([ {"location" : "path/to/image1.jpg"}, {"location" : "path/to/image2.jpg"}, {"location" : "path/to/image3.jpg"} ]); I then refer to like this: <s:List id="lstImages" width="100%" dataProvider="{_dpImageList}" itemRenderer="path.to.render.ImageRenderer" skinClass="path.to.skins.ListSkin" > <s:layout> <s:HorizontalLayout gap="2" /> </s:layout> </s:List> Currently, it would appear that each item is processed asynchronously. However, I want them to be processed synchronously. Reason: I am displaying a list of images, and I want the leftmost one rendered first, followed by the one to its right, and so on. Edit: I just found this answer. Do you think that could be the same issue?

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  • How can I bind dynamic data to DataGridTemplateColumn in code?

    - by TuomoT
    I'm using DataGrid from CodePlex. I have objects (ICustomTypeDescriptor) that have properties 'name' 'description' 'c' 'd' and so on (the names are dynamic, and so is the value) and they have information behind them. I have templates for different types. And if I have to list the properties of a single element I can just bind to the values in xaml and use datatemplateselector (in datagridtemplatecolumn) which will pick the correct template. However, when I'm listing several of the elements, how can I use the selectors and the templates? How do I get the correct property bound to the template (two-way)? When ignoring the need for different templates, using DataGridTextColumn with bindings is very simple (and works, see example below), is there any way to use similar approach with the DataGridTemplateColumn? foreach (String propertyName in listOfPropertyNames) { DataGridTextColumn textColumn = new DataGridTextColumn() { Header = propertyName, Binding = new Binding() { Path = new PropertyPath(propertyName) } }; DataGrid.Columns.Add(textColumn); }

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  • How can I load combo box's data when it has been defined in DataTemplate codebehind ?

    - by Naseem
    Hi, In my silverlight application,I need to have dynamic columns in my DataGrid . So I had to create all the columns and their DataTemplate dynamically .When user wants to edit the column , a combo box will be displayed which has different values based on selected column. For creating each column I have wrote : foreach (var itemFilter in ProductFilterCollection) { DataGridTemplateColumn templateColumn = new DataGridTemplateColumn(); templateColumn.Header = itemFilter.Description.ToString(); templateColumn.CellTemplate = CreateCellTemplate(typeof(TextBlock), itemFilter.Description.ToString()); templateColumn.CellEditingTemplate = CreateEditingTemplate(typeof(ComboBox), itemFilter.Description.ToString()); grdTest.Columns.Add(templateColumn); } Here is the code for creating DataTemplate dynamically. public DataTemplate CreateCellTemplate(Type type, string strBinding) { return (DataTemplate)XamlReader.Load(@"<DataTemplate xmlns=""http://schemas.microsoft.com/client/2007""> <" + type.Name + @" Text=""{Binding " + strBinding + @"}""/> </DataTemplate>"); } public DataTemplate CreateEditingTemplate(Type type, string strBinding) { return (DataTemplate)XamlReader.Load(@"<DataTemplate xmlns=""http://schemas.microsoft.com/client/2007""> <" + type.Name + @" Loaded=""ddlTest_Loaded"" Tag=""{Binding " + strBinding + @"}""/> </DataTemplate>"); } I need to use Loaded="ddlTest_Loaded" in CreateEditingTemplate() ,in order to load the combo box . However it causes exception . When I remove Loaded event it's fine however the combo box is empty. How can I load the combo box when I define it in DataTemplate codebehind.

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  • What is the space character for the browser?

    - by Hiro Protagonist
    echo "\n\s\s\s\s\s\s" . "<div id='data-load' data-load='" . $load . "'></div>"; \n works for adding a return in...I tried \s logically for space but this does not work. Keep mind, I don't want this rendered in the browser view...but in the source view ( when you click view-source )...I'm trying to put my html in to a readable form. echo "&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp\n" . "<div id='data-path' data-path='" . $path . "'></div>"; This does not work either. I am composing HTML from PHP... echo " \n" . "<div id='data-load' data-load='" . $load . "'></div>"; This does not work either. Actual Code: public static function setUniversals() { $shared_object = new Shared(); if ( $shared_object->getLoadOn() == 1 ) { $load = 'server'; } else { $load = 'client'; } if( getcwd() === '/home/foo/public_html/develop' ) { $path = 'development'; } else { $path = 'production'; } $shared_object = new Shared(); echo "\n"; echo "\n " . "<div id='data-path' data-path='" . $path . "'></div>"; echo "\n " . "<div id='data-load' data-load='" . $load . "'></div>"; }

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  • When are dynamically loaded NIBs assigned frames and bounds data?

    - by thebossman
    In one of my UIViewControllers, I am calling initWithNibName:bundle: for several other UIViewControllers. I am grabbing the view property in each of those dynamically created controllers and placing them, one after the other, in my parent view. For instance, the y offset of viewControllerB should be equal to the height of viewControllerA. The y offset of viewControllerC should be equal to the height of viewControllerB, and so on. I am initalizing these nibs in viewDidLoad, yet none of them have any meaningful bounds or frame properties. The sizes and positions of each are all zero. Where is the 'correct' place to do this type of operation so that I can grab meaningful values from these properties?

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  • How to read and save data from text file with variable number of columns in a Matrix in Matlab

    - by khan
    I have a text file with integer values. each row contains information about specific object. But unfortunately each row has different number of column. because of which when i try to use file_content = load('txtfile.txt'); it gives me error message that previous number of columns does not match. i also tried to use fgetl, fscanf, etc function but was unsuccessful. Can anybody give me a piece of code, or help me how to read a txt file and save in matrix in matlab. Three sample rows are given below. 1 1 1 1 1 95 17 54 111 92 17 54 111 92 17 54 111 92 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 54 109 92 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 58 109 96 15 58 109 96 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 58 109 96 15 56 109 94 15 56 109 94 15 58 109 96 15 58 109 96 15 56 109 94 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 17 58 111 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 56 109 94 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 1 1 1 2 96 185 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 15 56 109 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 54 107 92 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 13 56 107 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 54 109 92 15 54 109 92 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 1 1 1 3 186 245 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 56 109 94 15 58 109 96 15 58 109 96 15 58 109 96 15 58 109 96 13 58 107 96 13 56 107 94 13 56 107 94 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 56 107 94 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 58 107 96 13 60 107 98 13 58 107 96 13 58 107 96 15 58 109 96 13 58 107 96 As you can see the rows doesn't have equal number of columns. So how can i read and save it in a Matrix. Any help in this regards will be highly appreciated. Thanks

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  • Does a C++ destructor always or only sometimes call data member destructors?

    - by Magnus
    I'm trying to validate my understanding of C++ destructors. I've read many times that C++ supplies a default destructor if I don't write one myself. But does this mean that if I DO write a destructor that the compiler WON'T still provide the default cleanup of stack-allocated class fields? My hunch is that the only sane behavior would be that all class fields are destroyed no matter what, whether I provide my own destructor or not. In which case the statement I've read so many times is actually a little misleading and could be better stated as: "Whether or not you write your own destructor, the C++ compiler always writes a default destructor-like sequence to deallocate the member variables of your class. You may then specify additional deallocations or other tasks as needed by defining your own destructor" Is this correct?

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  • How can I decode UTF-16 data in Perl when I don't know the byte order?

    - by Geo
    If I open a file ( and specify an encoding directly ) : open(my $file,"<:encoding(UTF-16)","some.file") || die "error $!\n"; while(<$file>) { print "$_\n"; } close($file); I can read the file contents nicely. However, if I do: use Encode; open(my $file,"some.file") || die "error $!\n"; while(<$file>) { print decode("UTF-16",$_); } close($file); I get the following error: UTF-16:Unrecognised BOM d at F:/Perl/lib/Encode.pm line 174 How can I make it work with decode?

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  • Best way to store data for Greasemonkey based crawler?

    - by Björn
    I want to crawl a site with Greasemonkey and wonder if there is a better way to temporarily store values than with GM_setValue. What I want to do is crawl my contacts in a social network and extract the Twitter URLs from their profile pages. My current plan is to open each profile in it's own tab, so that it looks more like a normal browsing person (ie css, scrits and images will be loaded by the browser). Then store the Twitter URL with GM_setValue. Once all profile pages have been crawled, create a page using the stored values. I am not so happy with the storage option, though. Maybe there is a better way? I have considered inserting the user profiles into the current page so that I could all process them with the same script instance, but I am not sure if XMLHttpRequest looks indistignuishable from normal user initiated requests.

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  • one primary key column foreign key to 2 other table columns.How to resolve data entry issue.

    - by Rohit
    I have a requirement according to which I have to create a central Login system.We have 2 things Corporate and Brand each represented by tables "Corporate" and "Brand". When a corporate gets registered,corporateID is given,When a user under that corporate gets registered there is a table corporateuser in which corporateID is a foreign key and CorporateUserID is a primary key.Similarly in the case of a brand. So we have CorporateUserId and BrandUserID. Now i have a table called RegisteredUsers in which i want to have corporate as well as brand users.UserID is a primary key in this table which is a foreign key to both corporateuser as well as Branduser. now when i enter a corporateuser,I do an entry to corporateuser as well as RegisteredUsers.When i enter CorporateUserID in userID for RegisteredUsers.It gives foreign key violation error. I fully understand this error.How can i achieve this.This requirement is very rigid.Please tell a workaround

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  • Transferring binary data through a SOAP webservice? C# / .NET

    - by Jason
    I have a webservice that returns the binary array of an object. Is there an easier way to transfer this with SOAP or does it need to be contained in XML? It's working, but I had to increase the send and receive buffer to a large value. How much is too much? Transferring binary in XML as an array seems really inefficient, but I can't see any way to add a binary attachment using .NET.

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  • Curl Wrapper Class does not return any data even though it worked previously?

    - by Scott Faisal
    We changed servers and installed all necessary software and just cannot seem to pin point what is going on. A simple CURL request does not return anything. Command Line CURL commands work just fine. We are using a wrapper for CURL utilizing streams. Do PHP streams require any out of the ordinary configuration? We are using the latest Lamp stack. This is the var_dump: object(cURL_Response)#180 (14) { ["cURL:private"]= resource(288) of type (curl) ["data_stream:private"]= object(elTempStream)#178 (1) { ["fp"]= resource(290) of type (stream) } ["request_header:private"]= NULL ["response_header:private"]= object(cURL_Headers)#179 (1) { ["headers:private"]= string(0) "" } ["response_headers:private"]= array(1) { [0]= object(cURL_Headers)#179 (1) { ["headers:private"]= string(0) "" } } ["error:private"]= string(0) "" ["errno:private"]= int(0) ["info:private"]= array(21) { ["url"]= string(21) "http://www.yahoo.com/" ["content_type"]= string(23) "text/html;charset=utf-8" ["http_code"]= int(200) ["header_size"]= int(1195) ["request_size"]= int(1153) ["filetime"]= int(-1) ["ssl_verify_result"]= int(0) ["redirect_count"]= int(1) ["total_time"]= float(0.486924) ["namelookup_time"]= float(0.003692) ["connect_time"]= float(0.005709) ["pretransfer_time"]= float(0.005714) ["size_upload"]= float(0) ["size_download"]= float(28509) ["speed_download"]= float(58549) ["speed_upload"]= float(0) ["download_content_length"]= float(211) ["upload_content_length"]= float(0) ["starttransfer_time"]= float(0.149365) ["redirect_time"]= float(0.312743) ["request_header"]= string(973) "GET / HTTP/1.0 User-Agent: cURL_ClientBase (PHP v/5.2.6-1+lenny4) Host: www.yahoo.com Accept: / Accept-Encoding: gzip, deflate, compress Referer: http://yahoo.com Cookie: B=e5iber15t7u05&b=3&s=ie; fpc_s=d=GGX6WCTIR29HWsjgLxFejKc_YJWxRqm3jYdEd6lu7W5ophpuAHBm6JGtNvhv97anG4VtaIMHQBPg3JAMOZGq59Lz_tRn_TFXgUT8T_at5HdCktVJLycy&v=2; fpt=d=nt1OT7HPe9wVIkHbMkpzQOgbP3.mQ3o1SPX7k5ztrFrWeeSWK5IgQooRY.8KtTeRMiaSEZ0kv3sO1MWtEsAzjVlRCDAZBoxqOs17v6PaZbPRqmDc92ivoMia.CqjufRs4_guOO4AyhRZ7_ml8rzxFrYeexpR2jLN0oPMyEWT0nbEf6Sdf._Bkh0HMfmI7KBnEx5uZBEEmV.wTfGRLG7zSd9sA4itOFv.r6AjP39CnogSn7NTJnqg_kEcKoiCM.lR5w_MqMc8IgWMBgSAZZgGEZpfmvxlQGnUzPwNh2pSpTe2wxFS3v1zPopDgoo2VsO3uzeyA3A_j7Hlk1P8T08DHbfr6ApDMUcr7d0QIt4pGYIxVV45XzfgpT7mgUdMei6VZrD9ozVQF0oqxrs1Ufri.XzPdB3NdQ--&v=1; fpc=d=sRPCfUfBTW96.RGiQn4hSkfi3p7WnPCAqYl5YoHecI7zjg7gH7PolscoPcq1Esm8dR.Rg1.AbQCpo2WBPXn1St96PpcjeCC.pj2.Upb3mKSRQkYPIVP1vQcL9nL7J8s9Z0VIXjiBFgSUcxyzDeUdP4us2YbVO3PbaVIwaIEfFsX3WI7YgiTbkrTGtwnFgoSYq6l8tnw-&v=2" } ["info_flagged:private"]= array(20) { [1048577]= string(21) "http://www.yahoo.com/" [2097154]= int(200) [2097166]= int(-1) [3145731]= float(0.486924) [3145732]= float(0.003692) [3145733]= float(0.005709) [3145734]= float(0.005714) [3145745]= float(0.149365) [3145747]= float(0.312743) [3145735]= float(0) [3145736]= float(28509) [3145737]= float(58549) [3145738]= float(0) [2097163]= int(1195) [2]= string(973) "GET / HTTP/1.0 User-Agent: cURL_ClientBase (PHP v/5.2.6-1+lenny4) Host: www.yahoo.com Accept: / Accept-Encoding: gzip, deflate, compress Referer: http://yahoo.com Cookie: B=e5iber15t7u05&b=3&s=ie; fpc_s=d=GGX6WCTIR29HWsjgLxFejKc_YJWxRqm3jYdEd6lu7W5ophpuAHBm6JGtNvhv97anG4VtaIMHQBPg3JAMOZGq59Lz_tRn_TFXgUT8T_at5HdCktVJLycy&v=2; fpt=d=nt1OT7HPe9wVIkHbMkpzQOgbP3.mQ3o1SPX7k5ztrFrWeeSWK5IgQooRY.8KtTeRMiaSEZ0kv3sO1MWtEsAzjVlRCDAZBoxqOs17v6PaZbPRqmDc92ivoMia.CqjufRs4_guOO4AyhRZ7_ml8rzxFrYeexpR2jLN0oPMyEWT0nbEf6Sdf._Bkh0HMfmI7KBnEx5uZBEEmV.wTfGRLG7zSd9sA4itOFv.r6AjP39CnogSn7NTJnqg_kEcKoiCM.lR5w_MqMc8IgWMBgSAZZgGEZpfmvxlQGnUzPwNh2pSpTe2wxFS3v1zPopDgoo2VsO3uzeyA3A_j7Hlk1P8T08DHbfr6ApDMUcr7d0QIt4pGYIxVV45XzfgpT7mgUdMei6VZrD9ozVQF0oqxrs1Ufri.XzPdB3NdQ--&v=1; fpc=d=sRPCfUfBTW96.RGiQn4hSkfi3p7WnPCAqYl5YoHecI7zjg7gH7PolscoPcq1Esm8dR.Rg1.AbQCpo2WBPXn1St96PpcjeCC.pj2.Upb3mKSRQkYPIVP1vQcL9nL7J8s9Z0VIXjiBFgSUcxyzDeUdP4us2YbVO3PbaVIwaIEfFsX3WI7YgiTbkrTGtwnFgoSYq6l8tnw-&v=2" [2097164]= int(1153) [2097165]= int(0) [3145743]= float(211) [3145744]= float(0) [1048594]= string(23) "text/html;charset=utf-8" } ["request_url:private"]= string(16) "http://yahoo.com" ["response_url:private"]= string(21) "http://www.yahoo.com/" ["status_code:private"]= int(200) ["cookies:private"]= array(0) { } ["request_headers"]= string(973) "GET / HTTP/1.0 User-Agent: cURL_ClientBase (PHP v/5.2.6-1+lenny4) Host: www.yahoo.com Accept: / Accept-Encoding: gzip, deflate, compress Referer: http://yahoo.com Cookie: B=e5iber15t7u05&b=3&s=ie; fpc_s=d=GGX6WCTIR29HWsjgLxFejKc_YJWxRqm3jYdEd6lu7W5ophpuAHBm6JGtNvhv97anG4VtaIMHQBPg3JAMOZGq59Lz_tRn_TFXgUT8T_at5HdCktVJLycy&v=2; fpt=d=nt1OT7HPe9wVIkHbMkpzQOgbP3.mQ3o1SPX7k5ztrFrWeeSWK5IgQooRY.8KtTeRMiaSEZ0kv3sO1MWtEsAzjVlRCDAZBoxqOs17v6PaZbPRqmDc92ivoMia.CqjufRs4_guOO4AyhRZ7_ml8rzxFrYeexpR2jLN0oPMyEWT0nbEf6Sdf._Bkh0HMfmI7KBnEx5uZBEEmV.wTfGRLG7zSd9sA4itOFv.r6AjP39CnogSn7NTJnqg_kEcKoiCM.lR5w_MqMc8IgWMBgSAZZgGEZpfmvxlQGnUzPwNh2pSpTe2wxFS3v1zPopDgoo2VsO3uzeyA3A_j7Hlk1P8T08DHbfr6ApDMUcr7d0QIt4pGYIxVV45XzfgpT7mgUdMei6VZrD9ozVQF0oqxrs1Ufri.XzPdB3NdQ--&v=1; fpc=d=sRPCfUfBTW96.RGiQn4hSkfi3p7WnPCAqYl5YoHecI7zjg7gH7PolscoPcq1Esm8dR.Rg1.AbQCpo2WBPXn1St96PpcjeCC.pj2.Upb3mKSRQkYPIVP1vQcL9nL7J8s9Z0VIXjiBFgSUcxyzDeUdP4us2YbVO3PbaVIwaIEfFsX3WI7YgiTbkrTGtwnFgoSYq6l8tnw-&v=2" }

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  • Dynamic Array Java program converted to C#

    - by Sef
    Hello, The folowing program was orignally in java. But i still get 1 error with the program in C#. (the eror is listed in comment in the 2nd block of code). using System; using System.Collections.Generic; using System.Linq; using System.Text; using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DynArray { public class DynArrayTester { static void Main(string[] args) { DynArray da = new DynArray(5); for (int i = 1; i <= 7; i++) { da.setData(i, i); //da.put(0, 0); //da.put(6, 6); } Console.WriteLine(da); } }/*DynArrayTester*/ } using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DynArray { public class DynArray { //toestand private int[] data; //gedrag public DynArray(int size) { data = new int[size]; } public int getData(int index) { return data[index - 1]; } private void expand(int size) { int[] tmp = data; data = new int[size]; for (int i = 0; i < tmp.Length; i++) { data[i] = tmp[i]; } }/*expand*/ public void setData(int index, int data) { if (0 < index) { if (index > this.data.length) // ***error, does not contain definition for "lenght" and no exetension method "lenght"*** expand(index); this.data[index - 1] = data; } } public override string ToString() { StringBuilder buf = new StringBuilder(); for (int i = 0; i < data.Length; i++) { buf.Append("[" + i + "]"); buf.Append(data[i]); buf.Append('\n'); } return buf.ToString(); } }/*DynArray*/ }

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  • How to load an RSA key from binary data to an RSA structure using the OpenSSL C Library?

    - by Andreas Bonini
    Currently I have my private key saved in a file, private.key, and I use the following function to load it: RSA *r = PEM_read_RSAPrivateKey("private.key", NULL, NULL, NULL); This works perfectly but I'm not happy with the file-based format; I want to save my key in pure binary form (ie, no base64 or similar) in a char* variable and load/save the key from/to it. This way I have much more freedom: I'll be able to store the key directly into the application const char key[] { 0x01, 0x02, ... };, send it over a network socket, etc. Unfortunately though I haven't found a way to do that. The only way to save and load a key I know of reads/saves it to a file directly.

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  • data between pages: $_SESSION vs. $_GET ?

    - by Haroldo
    Ok, firstly this is not about forms this is about consistent layout as a user explores a site. let me explain: If we imagine a (non-ajax) digital camera online store, say someone was on the DSLR section and specified to view the cameras in Gallery mode and order by price. They then click onto the Compact camera's page. It would be in the users interests if the 'views' they selected we're carried over to this new page. Now, i'd say use a session - am i wrong? are there performance issues i should be aware of for a few small session vars ( ie view=1 , orderby=price) ?

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  • Ruby: How to post a file via HTTP as multipart/form-data?

    - by kch
    I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field. Posting text fields is straightforward, there's an example right there in the net/http rdocs, but I can't figure out how to post a file along with it. Net::HTTP doesn't look like the best idea. curb is looking good.

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