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  • Magento - Mage::getModel not working on remote server

    - by Diego
    I'm struggling with an issue for which I can't find an explanation. I have two development environments that I use for my projects. I created a simple module for Magento and I tested it on one environment. After overcoming all Magento's complications, the module works as expected. This is on XAMPP. I then copied the module to the development Linux environment, on a hosted server, and it crashes miserably. I did some debugging, and I found out that a call to Mage::getModel() returns bool(false) instead of the instance of the Model I requested. I double checked all files and directories, and they match. Database is not involved (not from my side, at least, I don't need tables) and both environments have only me as a User, with Admin permissions. Any suggestion on where should I start looking is welcome, thanks.

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  • How to handle large table in MySQL ?

    - by Frantz Miccoli
    I've a database used to store items and properties about these items. The number of properties is extensible, thus there is a join table to store each property associated to an item value. CREATE TABLE `item_property` ( `property_id` int(11) NOT NULL, `item_id` int(11) NOT NULL, `value` double NOT NULL, PRIMARY KEY (`property_id`,`item_id`), KEY `item_id` (`item_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; This database has two goals : storing (which has first priority and has to be very quick, I would like to perform many inserts (hundreds) in few seconds), retrieving data (selects using item_id and property_id) (this is a second priority, it can be slower but not too much because this would ruin my usage of the DB). Currently this table hosts 1.6 billions entries and a simple count can take up to 2 minutes... Inserting isn't fast enough to be usable. I'm using Zend_Db to access my data and would really be happy if you don't suggest me to develop any php side part. Thanks for your advices !

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  • C++Math evaluating incorrectly

    - by Hayden
    I thought I can make life a little easier in data statistics by making a small program which returns the results of sampling distribution of the mean (with standard error). It does this part successfully but in an attempt to return the z-score by using the formula I found here, it returns -1#IND. My interpretation of that formula is: ((1/(sqrt(2*pi)*stdev))*pow(e, (normalpow)) where double normalpow=-0.5*((mean-popmean)*(mean-popmean)/stdev) I did a little more investigating and found that (mean-popmean)*(mean-popmean) was evaluating to 0 no matter what. How can I get around this problem of normalpow evaluating to 0.

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  • OO C++ - Virtual Methods

    - by Phorce
    Just a really quick question here. I'm using virtual functions to read in from a text file. Now, it's virtual because in one aspect I want the values to be normalised, and, in the other respect I don't want them to be normalised. I have tried to do this: bool readwav(string theFile, 'native'); So in theory, if the 'native' is used, this method should be called, however, if 'double' is called then a different version of the method is called. Same for if the value is empty, it should just perform the native option. First question, why doesn't the declaration above work? Also, is this the best route to go down? Or, would it be better to have just one class method that switches between the options. Thanks :)

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  • How to map a property for HQL usage only (in Hibernate)?

    - by ManBugra
    i have a table like this one: id | name | score mapped to a POJO via XML with Hibernate. The score column i only need in oder by - clauses in HQL. The value for the score column is calculated by an algorithm and updated every 24 hours via SQL batch process (JDBC). So i dont wanna pollute my POJO with properties i dont need at runtime. For a single column that may be not a problem, but i have several different score columns. Is there a way to map a property for HQL use only? For example like this: <property name="score" type="double" ignore="true"/> so that i still can do this: from Pojo p order by p.score but my POJO implementation can look like this: public class Pojo { private long id; private String name; // ... } No Setter for score provided or property added to implementation. using the latest Hibernate version for Java.

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  • how to make a BufferedReader in C

    - by peiska
    I am really new programming in C. How can i do the same in C, maybe in a more simple way then the one a do in Java. Each line of the input have to Integers: X e Y separated by a space. 12 1 12 3 23 4 9 3 InputStreamReader in = new InputStreamReader(System.in); BufferedReader buf = new BufferedReader(in); int n; int k; double sol; String line =""; line=buf.readLine(); while( line != null && !line.equals("")){ String data [] = line.split(" "); n = Integer.parseInt(data[0]); k = Integer.parseInt(data[1]); calculus (n,k); line = buf.readLine(); }

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  • Possible compiler bug in MSVC12 (VS2013) with designated initializer

    - by diapir
    Using VS2013 Update 2, I've stumbled on some strange error message : // test.c int main(void) { struct foo { int i; float f; }; struct bar { unsigned u; struct foo foo; double d; }; struct foo some_foo = { .i = 1, .f = 2.0 }; struct bar some_bar = { .u = 3, // error C2440 : 'initializing' : cannot convert from 'foo' to 'int' .foo = some_foo, .d = 4.0 }; // Works fine some_bar.foo = some_foo; return 0; } Both GCC and Clang accept it. Am I missing something or does this piece of code exposes a compiler bug ? EDIT : Duplicate: Initializing struct within another struct using designated initializer causes compile error in Visual Studio 2013

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  • What is an alternative to ADO.NET, but elegant way in C# to read Excel files

    - by Khnle
    ADO.NET just fails miserably when it's used to read Excel files where a column contains mixed data types. It appears that it tries to determine the data type of a column, and then assume the rest of the entire column is of the same data type. Here are some backgrounds: http://stackoverflow.com/questions/2968111/how-to-prevent-ado-net-from-altering-double-values-when-it-reads-from-excel-files http://blog.lab49.com/archives/196 What is an alternative approach that doesn't require automation, Excel to be co-installed, is simple (since the input excel file will only have one worksheet in each file).

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  • How to return Json from WCF Service?

    - by Zinoo
    Hi, I have the piece of code below of a template Ajax enabled WCF service. What can i do to make it return JSon instead of XML? thanks. using System; using System.Linq; using System.Runtime.Serialization; using System.ServiceModel; using System.ServiceModel.Activation; [ServiceContract(Namespace = "WCFServiceEight")] [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class CostService { // Add [WebGet] attribute to use HTTP GET [OperationContract] [WebGet] public double CostOfSandwiches(int quantity) { return 1.25 * quantity; } }

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  • Cannot use fclose on output stream, input stream is fine.

    - by TeeJay
    Whenever I run my program with fclose(outputFile); at the very end, I get an error. glibc detected...corrupted double-linked list The confusing thing about this though, is that I have fclose(inputFile); directly above it and it works fine. Any suggestions? FILE* inputFile = fopen(fileName, "r"); if (inputFile == NULL) { printf("inputFile did not open correctly.\n"); exit(0); } FILE* outputFile = fopen("output.txt", "wb"); if (outputFile == NULL) { printf("outputFile did not open correctly.\n"); exit(0); } /* ... read in inputFile ... */ /* ... some fprintf's to outputFile ... */ fclose(inputFile); fclose(outputFile);

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  • Constructor Type Coercion in C++

    - by Robert Mason
    Take the following class: class mytype { double num; public: mytype(int a) { num = sqrt(a); } void print() { cout << num; } } Say there is a method which takes a mytype: void foo(mytype a) { a.print(); } Is it legal c++ (or is there a way to implement this) to call foo(4), which would (in theory) output 2? From what I can glean you can overload type casts from a user defined class, but not to. Can constructor do this in a standards-compliant manner (assuming, of course, the constructor is not explicit). Hopefully there is a way to in the end have this legal: int a; cin >> a; foo(a); Note: this is quite obviously not the actual issue, but just an example for posting purposes. I can't just overload the function because of inheritance and other program-specific issues.

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  • make script output link to code in Visual Studio

    - by JoelFan
    I sometimes need to search code for patterns in a way that goes beyond the regex capabilities of Visual Studio (e.g. patterns that depend on what was seen previously in the file or on the contents of other files). So I use Perl to analyze the source and output matching lines, along with the file name and line number. Since this is the exact same format as is produced by the search feature of Visual Studio, I wonder if there is a way to duplicate the functionality where I can double-click on a line and it will display that line in context in Visual Studio. Any ideas?

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  • Problematic comboBox Windows Forms

    - by zaidwaqi
    Hi, I use VS2008 C# + Windows Forms. I can't understand why comboBox does not behave the way it should. In Design mode, I added a comboBox to my form, and edit Items to add "A" and "B". Double-clicking brings me to SelectedIndexChanged event, which I edit to display the selected text with MessageBox. private void comboBoxImageSet_SelectedIndexChanged(object sender, EventArgs e) { MessageBox.Show(comboBoxImageSet.SelectedText); } When I run, and select "A" or "B" in the comboBox, the MessageBox appears, but nothing is written. Why? Thanks.

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  • Can someone help with big O notation?

    - by Dann
    void printScientificNotation(double value, int powerOfTen) { if (value >= 1.0 && value < 10.0) { System.out.println(value + " x 10^" + powerOfTen); } else if (value < 1.0) { printScientificNotation(value * 10, powerOfTen - 1); } else // value >= 10.0 { printScientificNotation(value / 10, powerOfTen + 1); } } I understand how the method goes but I cannot figure out a way to represent the method. For example, if value was 0.00000009 or 9e-8, the method will call on printScientificNotation(value * 10, powerOfTen - 1); eight times and System.out.println(value + " x 10^" + powerOfTen); once. So the it is called recursively by the exponent for e. But how do I represent this by big O notation? Thanks!

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  • Alternative to latex / a way to typeset good looking documents from Java to PDF

    - by drasto
    I'm working on application in Java that will maintain database of song lyrics in plain text and print out some songbooks/chordbooks(that is create PDF file from selected songs). I was planing that the Java application will generate source code for pdflatex and after compiling this source user will get PDF file. Lately I've run into a lot of problems because of latex limitation: fixed memory size (some pictures will also be drawn to PDF) - error when exceeded, no way to query end of line or and of page dynamically, it's very hard to override latex placement algorithm in a complex way,... see also some my other questions regarding latex. I come to conclusion that latex is not good option for automated PDF generation. So I need replacement. I need to be able to typeset: Chords over lyrics when the lyrics are in variable char width so I need to be able to measure text width Chord diagrams that means I'll have to draw quite complex pictures Each song on separate double page Different fonts etc. Thanks for all answers

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  • Is there a Java Descriptor like thing in .Net?

    - by Sun Liwen
    I'm working on a static analysis tool for .NET assembly. In Java, there is a Descriptor which can be used to represent method or field in a string with specified grammar. for field: double d[][][]; will be [[[D It's useful especially when doing bytecode analysis. Coz it's easy to describe. If there a similar thing in .NET CLR? Or is there a better way to achieve this? Thanks!

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  • How do I implement a DataGrid with an MVVM approach.

    - by Fred
    Hi, I'd like to implement a sort of Addressbook/Contactbook using a Datagrid (or a List) and the MVVM pattern. Something like in Outlook/Thunderbird, where you've a list of your contacts displayed with a 2-3 main fields (name surname for example), and when you double-click a contact, then you get a new modal box that displays all the details of this specific contact. Since a couple of weeks/months, I'm reading a lot of stuff about MVVM pattern on the net, but somehow, I get confused. Until now, I could find any sample like this. (perhaps, I searched wrong?) How could I organize such an application? Thx in advance for your help.

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  • Making Django ignore string literals

    - by James
    UPDATE: It turns out this is a deeper question than I thought at first glance - the issue is that python is replacing the string literals before they ever get to django. I will do more investigating and update this if I find a solution. I'm using django to work with LaTeX templates for report generation, and am running into a lot of problems with the way Django replaces parts of strings. Specficially, I've run into two problems where I try to insert a variable containing latex code. The first was that it would replace HTML characters, such as the less than symbol, with their HTML codes, which are of course gibberish to a LaTeX interpreter. I fixed this by setting the context to never autoescape, like so: c = Context(inputs) c.autoescape = False However, I still have my second issue, which is that Django replaces string literals with their corresponding characers, so a double backslash becomes \, and \b becomes a backspace. How can I force Django to leave these characters in place, so inputs['variable'] = '{\bf this is code} \\' won't get mangled when I use {{variable}} to reference it in the django template?

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  • starting .net application from command prompt is having issue when path is in SHORTNAME

    - by ioWint
    when we start our .net application using a double click on the explorer or from command prompt where your folder path is proper full name then there is no issue at all. But when you start it from command prompt with the path being a Shortname involving a ~ the application behaves weird. IF is entering condition though the condition evaluates to FALSE in quick watch. Accessing a value of a variable in quick watch and immediate window shows value. but when you use it to assign to another variable in code, it returns NULL / no value. another observation: when you attach Visual studio to debug the app, and when you go about "Set as next statement" visual studio is giving options to select which dll to work up on. i have never seen this prompt before!

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  • Constructor return value

    - by Ivan Gromov
    Could you tell me what is wrong with my class constructor? Code: CVector::CVector (int size_) { if (size_ > 0) { this->size = size_; this->data = new double[size]; for (int i = 0; i < size; i++) { (*this)(i) = i; } } cout << "constructor end" << endl; return; } Usage example: tvector = CVector(6); I get an access violation after "constructor end" output.

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  • Possible to fire asp.net validation from jQuery?

    - by Abe Miessler
    I have a form with several text boxes on it. I only want to accept floats, but it is likely that users will enter a dollar sign. I'm using the following code to remove dollar signs and validate the content: jQuery: $("#<%= tb.ClientID %>").change(function() { var ctrl = $("#<%= tb.ClientID %>"); ctrl.val(ctrl.val().replace('$','')) }); asp.net validation: <asp:CompareValidator ID="CompareValidator4" runat="server" Type="Double" ControlToValidate="tb" Operator="DataTypeCheck" ValidationGroup="vld_Page" ErrorMessage="Some error" /> My problem is that when someone enters a dollar sign in the TextBox "tb" and changes focus the validation happens first and THEN the jQuery removes the dollar sign. Is it possible to have the jQuery run first or to force the validation to run again after the jQuery executes?

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  • Sorting Multidimensional Array with Javascript: Integers

    - by tkm256
    I have a 2D array called "results." Each "row" array in results contains both string and integer values. I'm using this script to sort the array by any "column" on an onclick event: function sort_array(results, column, direction) { var sorted_results = results.sort(value); function value(a,b) { a = a[column]; b = b[column]; return a == b ? 0 : (a < b ? -1*direction : 1*direction) } } This works fine for the columns with strings. But it treats the columns of integers like strings instead of numbers. For example, the values 15, 1000, 200, 97 would be sorted 1000, 15, 200, 97 if "ascending" or 97, 200, 15, 1000 "descending." I've double-checked the typeof the integer values, and the script knows they're numbers. How can I get it to treat them as such?

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  • why optimization does not happen?

    - by aaa
    hi. I have C/C++ code, that looks like this: static int function(double *I) { int n = 0; // more instructions, loops, for (int i; ...; ++i) n += fabs(I[i] > tolerance); return n; } function(I); // return value is not used. compiler inlines function, however it does not optimize out n manipulations. I would expect compiler is able to recognize that value is never used as rhs only. Is there some side effect, which prevents optimization? Thanks

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  • Why wont my .NET 3.5 app run on fresh installation of windows7?

    - by acidzombie24
    In C:\Program Files\Reference Assemblies\Microsoft\Framework i see v3.0 and v3.5. I found that path in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\InstallRoot which also has that path. In C:\Windows\Microsoft.NET\Framework i see versions from 1 to 3.5 My app was built in msvs2010rc1 targeting 3.5. In fact in my project files i see v3.5. So whats with this? Why cant i run it? -edit- The application crashes on double click. With no exception dialog. Ok i see the problem. Sorry guys :$. I hope this post serves as a reference to someone else. I completely forgot that my app uses SDL.NET and i am use to C++ telling me i have forgotten a DLL.

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  • How to get latitude and longitude position that stored in MySQL and use it in Android map application

    - by gunawan haruna
    I have tried to get the latitude and longitude position that was stored in MySQL. I want use the values to my Android map application. Here is my code: deskripsi.Java Button direction = (Button) findViewById (R.id.btnDir); direction.setOnClickListener(new OnClickListener(){ public void onClick(View arg0) { Intent z = getIntent(); des_lat = z.getExtras().getString("des_lat"); des_long = z.getExtras().getString("des_long"); Intent i = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://maps.google.com/maps?&daddr="+des_lat+","+des_long)); //("geo:37.827500,-122.481670")); startActivity(i); } }); And here is the content.Java private ListView list; int x; private String panjang[]; public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.kontent); super.initButtonSearch(); list = (ListView) findViewById(R.id.list); JSONObject jo; try { jo = new JSONObject(JsonKontent); JSONArray ja = jo.getJSONArray("result"); System.out.println("Panjang : " + ja.length()); if (ja.length() == 0) { Toast.makeText(Content.this, "Data tidak ada!", Toast.LENGTH_LONG).show(); finish(); } content_id = new String[ja.length()]; c_title = new String[ja.length()]; c_telephone = new String[ja.length()]; c_short_description = new String[ja.length()]; c_long_description = new String[ja.length()]; c_image1 = new String[ja.length()]; c_image2 = new String[ja.length()]; l_address = new String[ja.length()]; catagory_id = new String[ja.length()]; Location myLoc = new Location("sharedPreferences"); Location restLoc = new Location("restaurantTable"); l_latitude = new String[ja.length()]; l_longitude = new String[ja.length()]; c_name = new String[ja.length()]; panjang = new String[ja.length()]; for (x = 0; x < ja.length(); x++) { JSONObject joj = ja.getJSONObject(x); content_id[x] = joj.getString("content_id"); catagory_id[x] = joj.getString("catagory_id"); c_title[x] = joj.getString("c_title"); c_telephone[x] = joj.getString("c_telephone"); c_short_description[x] = joj.getString("c_short_description"); c_long_description[x] = joj.getString("c_long_description"); c_image1[x] = HTTPConnection.urlPicture + joj.getString("c_image1"); c_image2[x] = HTTPConnection.urlPicture + joj.getString("c_image2"); l_address[x] = joj.getString("l_address"); l_latitude[x] = joj.getString("l_latitude"); l_longitude[x] = joj.getString("l_longitude"); c_name[x] = joj.getString("c_name"); myLoc.setLatitude(myLatitude); myLoc.setLongitude(myLongitude); restLoc.setLatitude(Double.parseDouble(l_latitude[x])); restLoc.setLongitude(Double.parseDouble(l_longitude[x])); float f = myLoc.distanceTo(restLoc); int f_int = Math.round(f / 100); f = Float.valueOf(f_int) / 10; String dist = new DecimalFormat("#,##0.0").format(f); System.out.println("Panjang " + dist + " km"); panjang[x] = dist + " km"; } } catch (JSONException e) { Toast.makeText(Content.this, "Data yang dicari tidak ada!", Toast.LENGTH_LONG).show(); finish(); } PFCAdapter adapter = new PFCAdapter(this, c_image1, c_title, l_address, panjang); list.setAdapter(adapter); list.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub System.out.println("Content ID: " + Content.content_id[Deskripsi.id]); Deskripsi.id = arg2; waitDialog = ProgressDialog.show(Content.this, "Memuat", "Harap tunggu, sedang terhubung dengan server"); waitDialog.setIcon(R.drawable.iconnya); waitDialog.show(); new LihatRatingTask().execute(); } }); } class LihatRatingTask extends AsyncTask<Void, Void, Void> { protected Void doInBackground(Void... Arg0) { Deskripsi.jsonRating = HTTPConnection.openUrl(HTTPConnection.host + "lihat_rating.php?content_id=" + Content.content_id[Deskripsi.id]); Deskripsi.jsonSubCategory = HTTPConnection .openUrl(HTTPConnection.host + "sub_catagory_parameter.php?content_id=" + Content.content_id[Deskripsi.id]); RoutePath.place = HTTPConnection .LoadImageFromWeb(HTTPConnection.host + "Logo/" + image[Integer.valueOf(catagory_id[Deskripsi.id]) - 1]); Intent i = new Intent(Content.this, Deskripsi.class); i.putExtra("des_lat", l_latitude); i.putExtra("des_long", l_longitude); startActivity(i); waitDialog.dismiss(); return null; } protected void onPostExecute(Void result) { // TODO Auto-generated method stub super.onPostExecute(result); waitDialog.dismiss(); } } } The result is in destination EditText in maps application for Android "null,null" How to make it "destination_latitude, destination_longitude"? Help me please.

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