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  • "[object Object]" passed instead of the actual object as parameter

    - by Andrew Latham
    I am using Heroku with a Ruby on Rails application, and running from Safari. I have the following Ajax call: $.ajax({ type : 'POST', url : '/test_page', data : {stuff: arr1}, dataType : 'script' }); arr1 is supposed to be an array of objects. There's a console.log right before that, and it is: [Object, Object, Object, Object, Object, ...] However, I got an error on the server side when I made this ajax call. The logs showed 2012-10-01T03:13:34+00:00 app[web.1]: Parameters: {"stuff"=>"[object Object]"} 2012-10-01T03:13:34+00:00 app[web.1]: WARNING: Can't verify CSRF token authenticity 2012-10-01T03:13:34+00:00 app[web.1]: NoMethodError (undefined method `to_hash' for "[object Object]":String): 2012-10-01T03:13:34+00:00 app[web.1]: Completed 500 Internal Server Error in 1ms I'm unable to replicate the error. It's really confusing to me - what would cause that string to sometimes be passed to the server instead of the object?

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  • Programming against WSDL without access to actual webservice

    - by Frode Lillerud
    I'm going to use C# to read data from a few webservices. I've done that many times before, but those times I've had direct access to the webservices from my development machine. In this project I've just been sent a .wsdl file, and a couple of .xsd files for the webservice they have in their local intranet. I've seen that I can use "Add Web Reference", and point directly to the .wsdl file, so that a C# class is created. But how can I really test it? I'd like to return some dummy data that I can visualize while I develop. Any tips for this situation?

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  • Removing the transperancy from image while keeping the actual image

    - by KPL
    Hello people, I have three images,and , they are not square or rectangular in shape. They are just like face of anyone. So,basically, my images are in the size 196x196 or anything like that, but complete square or rectangle with the face in the middle and transperant background in the rest of the portion. Now, I want to remove the transperant background too and just keep the faces. Don't know if this is possible and mind you, this isn't a programming question.

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  • ADO "Unspecified Error" instead of actual error when fetching server side cursor

    - by Dan
    This relates to my recent question: http://stackoverflow.com/questions/2835663/force-oracle-error-on-fetch I am now able to reproduce a scenario where using ADO with the Oracle OLEDB Provider, I can force an error such as ORA-01722: invalid number to occur on calling Recordset.MoveNext However, this is not the error that is returned to the application. Instead, the application sees Provider error '80004005' Unspecified error. How can I get the application to see the real error from the database? This is with Oracle 10g (client and server), if it matters. Sample code is roughly as follows: Dim con As New ADODB.Connection Dim cmd As New ADODB.Command Dim rs As ADODB.Recordset con.ConnectionString = "Provider=OraOLEDB.ORACLE;Data Source=xxx;User Id=yyy;Password=zzz" con.CursorLocation = adUseServer con.Open Set cmd.ActiveConnection = con cmd.CommandText = "select * from table(ret_err)" cmd.Prepared = True Set rs = cmd.Execute While Not rs.EOF rs.MoveNext Wend

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  • .NET Regular Expression to find actual words in text

    - by Mehdi Anis
    I am using VB .NET to write a program that will get the words from a suplied text file and count how many times each word appears. I am using this regular expression:- parser As New Regex("\w+") It gives me almost 100% correct words. Except when I have words like "Ms Word App file name is word.exe." or "is this a c# statment If(ab?1,0) ?" In such cases I get [word & exe] AND [If, a, b, 1 and 0] as seperate words. it would be nice (for my purpose) that I received word.exe and (If(ab?1,0) as words. I guess \w+ looks for white space, sentence terminating punctuation mark and other punctuation marks to determine a word. I want a similar regular Expression that will not break a word by a punctuation mark, if the punctuation mark is not the end of the word. I think end-of-word can be defined by a trailing WhiteSpace, Sentence terminating Punctuation (you may think of others). if you can suggest some regular expression 9for VB .NET) that will be great help. Thanks.

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  • I am looking for an actual functional web browser control for .NET, maybe a C++ library

    - by Joshua
    I am trying to emulate a web browser in order to execute JavaScript code and then parse the DOM. The System.Windows.Forms.WebBrowser object does not give me the functionality I need. It let's me set the headers, but you cannot set the proxy or clear cookies. Well you can, but it is not ideal and messes with IE's settings. I've been extending the WebBrowser control pinvoking native windows functions so far, but it is really one hack on top of another. I can mess with the proxy and also clear cookies and such, but this control has its issues as I mentioned. I found something called WebKit .NET (http://webkitdotnet.sourceforge.net/), but I don't see support for setting proxies or cookie manipulation. Can someone recommend a c++/.NET/whatever library to do this: Basically tell me what I need to do to get an interface to similar this in .NET: // this should probably pause the current thread for the max timeout, // throw an exception on failure or return null w/e, VAGUELY similar to this string WebBrowserEmu::FetchBrowserParsedHtml(Uri url, WebProxy p, int timeoutSeconds, byte[] headers, byte[] postdata); void WebBrowserEmu::ClearCookies(); I am not responsible for my actions.

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  • Write raw struct contents (bytes) to a file in C. Confused about actual size written

    - by d11wtq
    Basic question, but I expected this struct to occupy 13 bytes of space (1 for the char, 12 for the 3 unsigned ints). Instead, sizeof(ESPR_REL_HEADER) gives me 16 bytes. typedef struct { unsigned char version; unsigned int root_node_num; unsigned int node_size; unsigned int node_count; } ESPR_REL_HEADER; What I'm trying to do is initialize this struct with some values and write the data it contains (the raw bytes) to the start of a file, so that when I open this file I later I can reconstruct this struct and gain some meta data about what the rest of the file contains. I'm initializing the struct and writing it to the file like this: int esprime_write_btree_header(FILE * fp, unsigned int node_size) { ESPR_REL_HEADER header = { .version = 1, .root_node_num = 0, .node_size = node_size, .node_count = 1 }; return fwrite(&header, sizeof(ESPR_REL_HEADER), 1, fp); } Where node_size is currently 4 while I experiment. The file contains the following data after I write the struct to it: -bash$ hexdump test.dat 0000000 01 bf f9 8b 00 00 00 00 04 00 00 00 01 00 00 00 0000010 I expect it to actually contain: -bash$ hexdump test.dat 0000000 01 00 00 00 00 04 00 00 00 01 00 00 00 0000010 Excuse the newbiness. I am trying to learn :) How do I efficiently write just the data components of my struct to a file?

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  • using .htaccess to redirect from friendly url to actual file

    - by Kohalza
    I have the following RewriteRule in my .htaccess to redirect from a friendly url to my main application file: RewriteRule ^\/(.*).html$ home/www/page.php?p=$1 [L] This should send any url that points to a html page to page.php with the url as a parameter that will be parsed by the app. This works for urls that look like http://www.example.com/hello.html The problem is that I get a 404 error when the url contains a directory path, for example: http://www.example.com/category/hello.html The error reads: "File does not exist: /home/www/category" Seems it is first looking for the 'category' path instead of processing the .htaccess Any ideas how to solve this?

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  • JQuery response is null but actual response is not

    - by Paul Petrick
    I'm using JQuery to make an Ajax call. I used a sniffer to catch the response text: {"error_code":0,"message":"SUCCESS","data":{"session_token":"3efd9dde-a839-4e91-9415-4c2f6cba5b7b"}} But the response returned on the success callback is null. Anyone got any ideas? (see jquery code below. Jquery code: $.ajax({ type: "GET", url: "http://184.72.58.99/matchaapi/API/User/Login", data: { email: emailval, password: pwordval, developer_key: devkey }, dataType: "json", cache: false, beforeSend: function(xhr) { xhr.setRequestHeader( "Content-Type", "application/json; charset=utf-8" ); }, success: function(resp) { alert(resp); $("#status p").html(resp.message); }});

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  • Javascript timezone solution needed(taking into account the actual difference in UTC timestamps)

    - by user198729
    I have unix timestamps from time zone X which is not known, the current timestamp(now()) in TZ X is known 1275143019, how to approach a javascript function so that it can generate the datetime in the users current TZ in the format 2010-05-29 15:32:35 ? UPDATE I'm not a unix timestamp expert,if unix timestamp is always the same in different TZ, then I have to change the question a little,so that the current datetime in TZ X is known(like 2010-05-29 22:32:28),and the other datetime is also in this format,how to convert them to the user's TZ based on the difference between now() ? UPDATE Something strange from MySQL: On server: mysql> select now(); +---------------------+ | now() | +---------------------+ | 2010-05-29 18:34:30 | +---------------------+ 1 row in set (0.00 sec) mysql> select UNIX_TIMESTAMP(); +------------------+ | UNIX_TIMESTAMP() | +------------------+ | 1275143674 | +------------------+ 1 row in set (0.00 sec) On local: mysql> select now(); +---------------------+ | now() | +---------------------+ | 2010-05-29 22:41:30 | +---------------------+ 1 row in set (0.00 sec) mysql> select UNIX_TIMESTAMP(); +------------------+ | UNIX_TIMESTAMP() | +------------------+ | 1275144091 | +------------------+ 1 row in set (0.00 sec) Why the difference between now() (2010-05-29 22:41:30-2010-05-29 18:34:30=6hours) and UNIX_TIMESTAMP() (1275144091 - 1275143674 = 417seconds) is not the same ?

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  • T-SQL: from rows to columns but not an actual pivot

    - by Matte
    Is there a T-SQL (SQL Server 2008R2) query to transform TABLE_1 into the expected resultset? TABLE_1 +----------+-------------------------+---------+------+ | IdDevice | Timestamp | M300 | M400 | +----------+-------------------------+---------+------+ | 3 | 2012-12-05 16:29:51.000 | 2357,69 | 520 | | 6 | 2012-12-05 16:29:51.000 | 1694,81 | 470 | | 1 | 2012-12-05 16:29:51.000 | 2046,33 | 111 | +----------+-------------------------+---------+------+ Expected resultset +-------------------------+---------+--------+---------+--------+---------+--------+ | Timestamp | 3_M300 | 3_M400 | 6_M300 | 6_M400 | 6_M300 | 6_M400 | +-------------------------+---------+--------+---------+--------+---------+--------+ | 2012-12-05 16:29:51.000 | 2357,69 | 520 | 1694,81 | 470 | 2046,33 | 111 | +-------------------------+---------+--------+---------+--------+---------+--------+

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  • XSLT, worth investing time in, any actual alternatives?

    - by Keeno
    I realise this has been a few other questions on this topic, and people are saying use your language of choice to manipulate the xml etc etc however, not quite fit my question exactly. Firstly, the scope of the project: We want to develop platform independant e-learning, currently, its a bunch of HTML pages but as they grow and develop they become hard to maintain. The idea: Generate up an XML file + Schema, then produce some XSLT files that process the XML into the eLearning modiles. XML to HTML via XSLT. Why: We would like the flexibily to be able to easy reformat the content (i realise CSS is a viable alternative here) If we decide to alter the pages layout or functionality in anyway, im guessing altering the "shared" XSLT files would be easier than updating the HTML files. So far, we have about 30 modules, with up to 10-30 pages each Depending on some "parameters" we could output drastically different page layouts/structures, above and beyond what CSS can do Now, all this has to be platform independant, and to be able to run "offline" i.e. without a server powering the HTML Negatives ive read so far for XSLT: Overheard? Not exactly sure why...is it the compute power need to convert to HTML? Difficult to learn Better alternatives Now, what I would like to know exactly is: are there actually any viable alternatives for this "offline"? Am I going about it in the correct manner, do you guys have any advice or alternatives. Thanks!

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  • c# Convert LINQ var result to actual type

    - by DrBob
    In c#, Given the following code: public class Person { public int PersonID { get; set; } public int Age { get; set; } public string Name { get; set; } } and List<Person> people = new List<Person>(); for (int i = 0; i != 15; i++) { Person p = new Person(); p.PersonID = i; p.Age = i * 12; p.Name = "Name " + i; people.Add(p); } var sortedPeople = from qPeople in people where qPeople.Age > 0 && qPeople.Age < 25 || qPeople.Age > 100 orderby qPeople.Age descending select qPeople; Can I load the results of sortedPeople back into a List<Person without a loop? Thanks.

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  • How to extract the actual NSString from json object as NSArray

    - by Toran Billups
    I'm working with a large set of json and really just need the NSString representation of what's inside the NSArray -including all the { } My question is this - is their a better way than simply looping through each NSArray inside the main NSArray and outputting the description one by one? ie- the below is a start to this process but it's very brittle meaning I need to know each item inside the hat {} and this isn't something I actually care about. I just need the json string to move forward. The working code is below (thank you in advance!) NSString* responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]; [responseData release]; NSArray* json = [responseString JSONValue]; NSArray* item = [json valueForKeyPath:@"d.data"]; NSArray* hatjson = [item objectForKey:@"hat"]; NSMutableString * result = [[NSMutableString alloc] init]; for (NSObject * obj in hatjson) { [result appendString:[obj description]]; } NSLog(@"the hat json is .. %@", result);

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  • Django: Template should render 'description' not actual value

    - by Till Backhaus
    Hi, in a Model I have a CharField with choices: class MyModel(models.Model): THE_CHOICES=( ('val',_(u'Value Description')), ) ... myfield=models.CharField(max_length=3,choices=THE_CHOICES Now in the template I access an instance of MyModel: {{ my_instance.myfield }} Of course the gives me val instead of Value Description. How do I get the description? Thanks in advance!

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  • how to check if a path is actual or symbolic link

    - by hits_lucky
    Hi, I am writing my own shell program. I am currently implementing the cd command using chdir. I want to implement the cd with the below options : -P Do not follow symbolic links -L Follow symbolic links (default) My query is that , when a given path is entered on the shell how to figure out if the path is a symbolic link or an absolute path progamatically? Thanks

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  • Convert UTC date to actual date and time

    - by evann
    I have a chart of bitcoin prices. I have the correct prices on the Y-axis, but I cannot get the correct time on the X-axis. The time shows up in a UTC format in my console. I am adding price and date to the series each iteration. I need to get the date of that particular result and find the YEAR, MONTH and DAY of that so I can put it in the right format. Any help is appreciated thanks. $.ajax({ url: "/chart/ajax_get_chart", // the URL of the controller action method dataType: "json", type: "GET", success: function (result) { var result = JSON.parse(result); series = []; for (var i = 0; i < result.length; i++) { tempArray = [parseFloat(result[i]['price'])]; tempDate = Date.parse(result[i]['date']); series.push(tempDate); series.push(tempArray); }

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  • How to get the real, actual duration of an MP3 file (VBR or CBR) server-side

    - by Cummander Checkov
    I used to calculate the duration of MP3 files server-side using ffmpeg - which seemed to work fine. Today i discovered that some of the calculations were wrong. Somehow, for some reason, ffmpeg will miscalculate the duration and it seems to happen with variable bit rate mp3 files only. When testing this locally, i noticed that ffmpeg printed two extra lines in green. Command used: ffmpeg -i song_9747c077aef8.mp3 ffmpeg says: [mp3 @ 0x102052600] max_analyze_duration 5000000 reached at 5015510 [mp3 @ 0x102052600] Estimating duration from bitrate, this may be inaccurate After a nice, warm google session, i found some posts on this, but no solution was found. I then tried to increase the maximum duration: ffmpeg -analyzeduration 999999999 -i song_9747c077aef8.mp3 After this, ffmpeg returned only the second line: [mp3 @ 0x102052600] Estimating duration from bitrate, this may be inaccurate But in either case, the calculated duration was just plain wrong. Comparing it to VLC i noticed that here the duration is correct. After more research i stumbled over mp3info - which i installed and used. mp3info -p "%S" song_9747c077aef8.mp3 mp3info then returned the CORRECT duration, but only as an integer, which i cannot use as i need a more accurate number here. The reason for this was explained in a comment below, by user blahdiblah - mp3info is simply pulling ID3 info from the file and not actually performing any calculations. I also tried using mplayer to retrieve the duration, but just as ffmpeg, mplayer is returning the wrong value. Now i ran out of options. If somebody knows how to get around this, any hints, tips, guides or corrections are welcome! Thank You!

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  • Autocad 2014 - Positioning electrical objects for plans (icons and symbols, not actual objects)

    - by zazkapulsk
    I am using Autocad to design my home. I am at a phase where I want to set the location for the switches, lighting fixtures, power sockets, communication sockets etc. I am thinking of something like this http://www.the-house-plans-guide.com/electrical-blueprint-symbols.html. I am not interested in placing specific lighting fixtures or rendering them, just putting the symbol and distances for the symbol. I can use Autocad Electrical, but that's a GIANT overshoot. What am I missing? Thanks.

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  • Java generics: actual class as a generic parameter.

    - by user554916
    What do I write instead of "TheClass" to make this work? Or is there an alternative way to do it (possibly without making WithName and WithAge generic)? class Item { NeigborList<TheClass> neighbors; } class WithName extends Item { // here I want neighbors to be a NeighborList<WithName> String name; void someMethod() { System.out.println(neighbors.nearestTo(this).name); } } class WithAge extends Item { // here I want neighbors to be a NeighborList<WithAge> int age; void someOtherMethod() { System.out.println(neighbors.nearestTo(this).age); } }

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  • Is there any way to output the actual array in c++

    - by user2511129
    So, I'm beginning C++, with a semi-adequate background of python. In python, you make a list/array like this: x = [1, 2, 3, 4, 5, 6, 7, 8, 9] Then, to print the list, with the square brackets included, all you do is: print x That would display this: [1, 2, 3, 4, 5, 6, 7, 8, 9] How would I do the exact same thing in c++, print the brackets and the elements, in an elegant/clean fashion? NOTE I don't want just the elements of the array, I want the whole array, like this: {1, 2, 3, 4, 5, 6, 7, 8, 9} When I use this code to try to print the array, this happens: input: #include <iostream> using namespace std; int main() { int anArray[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; cout << anArray << endl; } The output is where in memory the array is stored in (I think this is so, correct me if I'm wrong): 0x28fedc As a sidenote, I don't know how to create an array with many different data types, such as integers, strings, and so on, so if someone can enlighten me, that'd be great! Thanks for answering my painstakingly obvious/noobish questions!

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  • Are there any actual case studies on rewrites of software success/failure rates?

    - by James Drinkard
    I've seen multiple posts about rewrites of applications being bad, peoples experiences about it here on Programmers, and an article I've ready by Joel Splosky on the subject, but no hard evidence of case studies. Other than the two examples Joel gave and some other posts here, what do you do with a bad codebase and how do you decide what to do with it based on real studies? For the case in point, there are two clients I know of that both have old legacy code. They keep limping along with it because as one of them found out, a rewrite was a disaster, it was expensive and didn't really work to improve the code much. That customer has some very complicated business logic as the rewriters quickly found out. In both cases, these are mission critical applications that brings in a lot of revenue for the company. The one that attempted the rewrite felt that they would hit a brick wall at some point if the legacy software didn't get upgraded at some point in the future. To me, that kind of risk warrants research and analysis to ensure a successful path. My question is have there been actual case studies that have investigated this? I wouldn't want to attempt a major rewrite without knowing some best practices, pitfalls, and successes based on actual studies. Aftermath: okay, I was wrong, I did find one article: Rewrite or Reuse. They did a study on a Cobol app that was converted to Java.

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