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  • Faster caching method

    - by pataroulis
    I have a service that provides HTML code which at some point it is not updated anymore. The code is always generated dynamically from a database with 10 million entries so each HTML code page rendering searches there for say 60 or 70 of those entries and then renders the page. So, for those expired pages, I want to use a caching system which will be VERY simple (like just enter a record with the rendered HTML and (if I need) remove it). I tried to do it file-based but the search for the existence of a file and then passing it through php to actually render it , seems like too much for what I want to do. I was thinking of doing it on mysql with a table with MEDIUMBLOBs (each page is around 100k). It would hold about 150000 such records (for now, at least). My question is: Would it be faster to let mysql do the lookup of the file and the passing to php or is the file-based approach faster? The lookup code for the file based version looks like this: $page = @file_get_contents(getCacheFilename($pageId)); if($page!=NULL) { echo $page; } else { renderAndCachePage($pageId); } which does one lookup whether it finds the file or not. The mysql table would just have an ID (the page id) and the blob entry. The disk of the system is a simple SATA raid 1 , the mysql daemon can grab up to 2.5GB of memory (i have a proxy running too, eating the rest of the 16GB of the machine. ) In general the disk is quite busy already. My not using PEAR cache, is because I think (please feel free to correct me on this) it adds overhead I do not need because the page rendering code is called about 2M times per day and I wouldn't want to go through the whole code each time (and yes, I have eaccelerator to cache the code too). Any pointer to what direction I should go, would be greatly welcome. Thanks!

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  • Error found - too many arguments to method call expected 1 have 2 - in app email

    - by Anthony Farah
    There seems to be an error with my coding, and it says that there are to many nils or something I need help MFMailComposeViewController *composer = [[MFMailComposeViewController alloc]init]; if ([MFMailComposeViewController canSendMail]) { [composer setToRecipients:[NSArray arrayWithObject:@"[email protected]", nil]]; [composer setSubject:nil];[composer setMailComposeDelegate:self]; [composer setMessageBody:nil isHTML:YES]; [composer setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal];

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  • django overwrite form clean method

    - by John
    Hi, When overwriting a form clean method how do you know if its failed validation on any of the fields? e.g. in the form below if I overwrite the clean method how do I know if the form has failed validation on any of the fields? class PersonForm(forms.Form): title = Forms.CharField(max_length=100) first_name = Forms.CharField(max_length=100) surname = Forms.CharField(max_length=100) password = Forms.CharField(max_length=100) def clean(self, value): cleaned_data = self.cleaned_data IF THE FORM HAS FAILED VALIDATION: self.data['password'] = 'abc' raise forms.ValidationError("You have failed validation!") ELSE: return cleaned_data Thanks

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  • implement jquery Plugin add method Validation

    - by Eyla
    I have a problem to use jquery Plugin/Validation. I want to add a method and follow the documentation but I think I still missing some thing. First I add the method but I think I have a problem to implement it. please check my code and advice me. <script src="js/jquery-1.4.1.js" type="text/javascript"></script> <script src="js/jquery.validate.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { jQuery.validator.addMethod("domain", function(value, element) { return this.optional(element) || /^http:\/\/yahoo.com/.test(value); }, "Please specify the correct domain for your documents"); $("#aspForm").validate(); }); <asp:TextBox ID="TextBox1" runat="server" CssClass="domain" ></asp:TextBox> </script>

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  • strange behaviour of static method

    - by Cristian Boariu
    Hi, I load a js variable like this: var message = '<%= CAnunturi.CPLATA_RAMBURS_INFO %>'; where the static string CPLATA_RAMBURS_INFO i put like: public static string CPLATA_RAMBURS_INFO = "test"; I use it very well in this method. <script type="text/javascript"> var categoryParam = '<%= CQueryStringParameters.CATEGORY %>'; var subcategoryParam = '<%= CQueryStringParameters.SUBCATEGORY1_ID %>'; var message = '<%= CAnunturi.CPLATA_RAMBURS_INFO %>'; function timedInfo(header) { $.jGrowl(message, { header: header }); }; </script> so the message appears. I do not undersand, why, iso of "test", if i take the value from a static method, ths use of message js var is no longer succesfull (the message no longer appears). public static string CPLATA_RAMBURS_INFO = getRambursInfo(); public static string getRambursInfo() { return System.IO.File.ReadAllText(PathsUtil.getRambursPlataFilePath()); } Any help would be highly appreciated....

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  • Unicode generated by toEscapedUnicode method is without spaces

    - by vishvesha
    For this word ????????????? the Unicode is== \u0938\u0941\u0916\u091A\u0948\u0928\u093E\u0928\u0940 \u0930\u0940\u091D\u0941\u092E\u0932 \u091C\u093F\u0935\u0924\u0930\u093E\u092E and look it has spaces before \u0930 and \u091C But when I am trying in my code String tempString=Strings.toEscapedUnicode(strString); This method to convert to Unicode gives a result without spaces: \u0938\u0941\u0916\u091A\u0948\u0928\u093E\u0928\u0940\u0930\u0940\u091D\u0941\u092E\u0932\u091C\u093F\u0935\u0924\u0930\u093E\u092E and that's why they are not matching. My 'toEscapeUnicode' method generates Unicode without spaces. I want the spaces, so how to do it?

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  • Method parameters have incorrect values when using RowTest in VB.Net

    - by simon_bellis
    Hello, I have the following test method (VB.NET) <RowTest()> _ <Row(1, 2, 3)> _ Public Sub AddMultipleNumbers(ByVal number1 As Integer, ByVal number2 As Integer, ByVal result As Integer) Dim dvbc As VbClass = New VbClass() Dim actual As Integer = dvbc.Add(number1, number2) Assert.That(actual, [Is].SameAs(result)) End Sub My problem is that when the test runs, using TestDriven.Net, the three method parameters are 0 and not the values I am expecting. I have referenced the NUnit.Framework (v.2.5.3.9345) anf the NUnitExtension.RowTest (v.1.2.3.0).

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  • Accessing object's method within string

    - by Wild One
    Recently I was reading php documentation and found interesting note in string section: Functions, method calls, static class variables, and class constants inside {$} work since PHP 5. However, the value accessed will be interpreted as the name of a variable in the scope in which the string is defined. Using single curly braces ({}) will not work for accessing the return values of functions or methods or the values of class constants or static class variables. See www.php.net/manual/en/language.types.string.php It says, that I can't use curly syntax to get value returned by object's method call. Is it a mistake in manual or I misunderstood it, because I tried the following code and it works just fine: <?php class HelloWorld { public static function hello() { echo 'hello'; } } $a = new HelloWorld(); echo "{$a->hello()} world";

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  • Rails 2.3.5: flash[:notice] disappears after redirect_to call

    - by xyzman
    Here I've got two controller methods: def invite if request.post? begin email = AccountMailer.create_invite(@user,url) AccountMailer.deliver(email) flash[:notice] = "Invitation email sent to #{@user.email}" rescue #mail delivery failed flash[:error] = "Failed to deliver invitation" end redirect_to :action => :show, :id => @user.id end end and def show @title = "User #{@user.full_name}" end The problem is, when I send an invitation, and get redirected to ./show, I see no messages at all. If I change redirect_to to render, the message appears. Still, isn't it intended for flash to work in the immediate subsequent requests? BTW, I'm using Rails+Passenger setup, could it be so that redirected request goes to another application instance?

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  • how am I supposed to call the function?

    - by user1816768
    I wrote a program which tells you knight's movement (chess). For example if I wanted to know all possible moves, I'd input: possibilites("F4") and I'd get ['D3', 'D5', 'E2', 'E6', 'G2', 'G6', 'H3', 'H5'] as a result, ok I did that, next, I had to write a function in which you input two fields and if those fields are legal, you'd get True and if they're not you'd get False(I had to use the previous function). For example: legal("F4","D3") >>>True code: def legal(field1,field2): c=possibilities(field1) if field1 and field2 in a: return True return False I'm having a problem with the following function which I have to write: I have to put in path of the knight and my function has to tell me if it's legal path, I'm obliged to use the previous function. for example: >>> legal_way(["F3", "E1", "G2", "H4", "F5"]) True >>> legal_way(["F3", "E1", "G3", "H5"]) False >>> legal_way(["B4"]) True I know I have to loop through the list and put first and second item on it in legal(field1,field2) and if it's false, everything is false, but if it's true I have to continue to the end, and this has to work also if I have only one field. I'm stuck, what to do? def legal_way(way): a=len(way) for i in range(0,a-2): if a==1: return true else if legal(way[i],way[i+1]: return True return False and I get True or index out of range

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  • Trying to get around this Webservice call from Android using AsycTask

    - by Kevin Rave
    I am a fairly beginner in Android Development. I am developing an application that extensively relays on Webservice calls. First screen takes username and password and validates the user by calling the Webservice. If U/P is valid, then I need to fire up the 2nd activity. In that 2nd activity, I need to do 3 calls. But I haven't gotten to the 2nd part yet. In fact, I haven't completed the full coding yet. But I wanted to test if the app is working as far as I've come through. When calling webserivce, I am showing alert dialog. But the app is crashing somewhere. The LoginActivity shows up. When I enter U/P and press Login Button, it crashes. My classes: TaskHandler.java public class TaskHandler { private String URL; private User userObj; private String results; private JSONDownloaderTask task; ; public TaskHandler( String url, User user) { this.URL = url; this.userObj = user; } public String handleTask() { Log.d("Two", "In the function"); task = new JSONDownloaderTask(); Log.d("Three", "In the function"); task.execute(URL); return results; } private class JSONDownloaderTask extends AsyncTask<String, Void, String> { private String username;// = userObj.getUsername(); private String password; //= userObj.getPassword(); public HttpStatus status_code; public JSONDownloaderTask() { Log.d("con", "Success"); this.username = userObj.getUsername(); this.password = userObj.getPassword(); Log.d("User" + this.username , " Pass" + this.password); } private AsyncProgressActivity progressbar = new AsyncProgressActivity(); @Override protected void onPreExecute() { progressbar.showLoadingProgressDialog(); } @Override protected String doInBackground(String... params) { final String url = params[0]; //getString(R.string.api_staging_uri) + "Authenticate/"; // Populate the HTTP Basic Authentitcation header with the username and password HttpAuthentication authHeader = new HttpBasicAuthentication(username, password); HttpHeaders requestHeaders = new HttpHeaders(); requestHeaders.setAuthorization(authHeader); requestHeaders.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON)); // Create a new RestTemplate instance RestTemplate restTemplate = new RestTemplate(); restTemplate.getMessageConverters().add(new MappingJacksonHttpMessageConverter()); try { // Make the network request Log.d(this.getClass().getName(), url); ResponseEntity<Message> response = restTemplate.exchange(url, HttpMethod.GET, new HttpEntity<Object>(requestHeaders), Message.class); status_code = response.getStatusCode(); return response.getBody().toString(); } catch (HttpClientErrorException e) { status_code = e.getStatusCode(); return new Message(0, e.getStatusText(), e.getLocalizedMessage(), "error").toString(); } catch ( Exception e ) { Log.d(this.getClass().getName() ,e.getLocalizedMessage()); return "Unknown Exception"; } } @Override protected void onPostExecute(String result) { progressbar.dismissProgressDialog(); switch ( status_code ) { case UNAUTHORIZED: result = "Invalid username or passowrd"; break; case ACCEPTED: result = "Invalid username or passowrd" + status_code; break; case OK: result = "Successful!"; break; } } } } AsycProgressActivity.java public class AsyncProgressActivity extends Activity { protected static final String TAG = AsyncProgressActivity.class.getSimpleName(); private ProgressDialog progressDialog; private boolean destroyed = false; @Override protected void onDestroy() { super.onDestroy(); destroyed = true; } public void showLoadingProgressDialog() { Log.d("Here", "Progress"); this.showProgressDialog("Authenticating..."); Log.d("Here", "afer p"); } public void showProgressDialog(CharSequence message) { Log.d("Here", "Message"); if (progressDialog == null) { progressDialog = new ProgressDialog(this); progressDialog.setIndeterminate(true); } Log.d("Here", "Message 2"); progressDialog.setMessage(message); progressDialog.show(); } public void dismissProgressDialog() { if (progressDialog != null && !destroyed) { progressDialog.dismiss(); } } } LoginActivity.java public class LoginActivity extends AsyncProgressActivity implements OnClickListener { Button login_button; HttpStatus status_code; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); login_button = (Button) findViewById(R.id.btnLogin); login_button.setOnClickListener(this); ViewServer.get(this).addWindow(this); } public void onDestroy() { super.onDestroy(); ViewServer.get(this).removeWindow(this); } public void onResume() { super.onResume(); ViewServer.get(this).setFocusedWindow(this); } public void onClick(View v) { if ( v.getId() == R.id.btnLogin ) { User userobj = new User(); String result; userobj.setUsername( ((EditText) findViewById(R.id.username)).getText().toString()); userobj.setPassword(((EditText) findViewById(R.id.password)).getText().toString() ); TaskHandler handler = new TaskHandler(getString(R.string.api_staging_uri) + "Authenticate/", userobj); Log.d(this.getClass().getName(), "One"); result = handler.handleTask(); Log.d(this.getClass().getName(), "After two"); Utilities.showAlert(result, LoginActivity.this); } } Utilities.java public class Utilities { public static void showAlert(String message, Context context) { AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(context); alertDialogBuilder.setTitle("Login"); alertDialogBuilder.setMessage(message) .setCancelable(false) .setPositiveButton("OK",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int id) { dialog.dismiss(); //dialog.cancel(); } }); alertDialogBuilder.setIcon(drawable.ic_dialog_alert); // create alert dialog AlertDialog alertDialog = alertDialogBuilder.create(); // show it alertDialog.show(); } }

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  • Fastest method for SQL Server inserts, updates, selects

    - by Ian
    I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high-throughput method for a backend app that handles many small transactions. I use SQLDataReader for most of the returns since forward only works in most cases for me. I've seen it done many ways, and used most of them myself. Methods that define and accept the stored procedure parameters as parameters themselves and build using cmd.Parameters.Add (with or without specifying the DB value type and/or length) Assembling your SP params and their values into an array or hashtable, then passing to a more abstract method that parses the collection and then runs cmd.Parameters.Add Classes that represent tables, initializing the class upon need, setting the public properties that represent the table fields, and calling methods like Save, Load, etc I'm sure there are others I've seen but can't think of at the moment as well. I'm open to all suggestions.

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  • Php button call php program

    - by user1117057
    I am totally new. So this might seem basic. But I tried various methods and had no good results. I am trying to build a browser based remote control to my sonos. I have various php programs to play, volume up, etc How do I display multiple buttons that when pressed calls up the related php programs to control the sonos. Ideally the displayed page should stay at the same page showing the buttons. Please guide me on the php/html code Thanks

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  • Get REST Call is not returning the string I put in url

    - by wizage
    I have very simple code: using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Net.Http; using System.Web.Http; namespace Calculator.Controllers { public class CalcController : ApiController { public string Get(string type) { return type; } } } And this is what it returns when I type in http://www.example.com/api/calc/test <string xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/2003/10/Serialization/" i:nil="true"/> When I use http://www.example.com/api/calc/?test=test it returns this: <string xmlns="http://schemas.microsoft.com/2003/10/Serialization/">type</string> How to I make it so I can just do the top one instead of the bottom one?

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  • CSS styles gone after Ajax call in IE 7

    - by roman m
    I've had a problem with my styles not being applied after AJAX calls. My styles were not in the < HEAD section of the page, and they were only recognized by IE on initial Page_Load. If you know of any other ways to fix this problem, post them here. This is more of a reference, hope this helps some people.

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  • Javascript - Function call will not enter function body

    - by Mike S
    I have a function acting as a constructor that, when called, gets as far as the function definition in the debugger, but never to the function body. Is there a common reason this may happen that I am overlooking? Example code below: myconstructor.js function MyConstructor(optionalParam) { //this breakpoint gets hit var newobj = {}; //breakpoint never hit //code to check for null parameter //other code }; main.js var myConstructor = new MyConstructor(); There must be something I have overlooked, but I can't see what that is. Neither firefox/firebug nor VS report errors or warnings. Thanks!

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  • Method to concatenate 2 Strings in Java

    - by GooF
    I have a method in Java that concatenates 2 Strings. It currently works correctly, but I think it can be written better. public static String concat(String str1, String str2) { String rVal = null; if (str1 != null || str2 != null) { rVal = ""; if (str1 != null) { rVal += str1; } if (str2 != null) { rVal += str2; } } return rVal; } Here are some of the requirements: If both str1 and str2 are null, the method returns null If either str1 or str2 is null, it will just return the not null String If str1 and str2 are not null, it will concatenate them It never adds "null" to the result Can anyone do this with less code?

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  • Call functions in an event/function chain?

    - by acidzombie24
    I have 3 functions. They can be called in any order (later they may need specific order). The return value of one function should be the first param of the next. How do i do this? what i am thinking is something like the below. Whats the best way to do this? string void fn(string sz, data d, eventhdl nextFunc) { //do stuff if(nextFunc == null) return ret; else return nextFunc(ret, d, nextFunc.Next); }

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  • The delegate method "clickedButtonAtIndex:" is not called.

    - by sagiftw
    Hello everyone! I have created an alert view with two buttons using the following code: UIAlertView *alertView = [[UIAlertView alloc] initWithTitle: title message: msg delegate:nil cancelButtonTitle:@"Replay" otherButtonTitles:@"Highscore", nil]; [alertView show]; I want to run some code when one of the buttons is clicked. In order to do so, I have added the following method to the delegate.m file: - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { if (buttonIndex==0) //Run some code else //Other code } But this method is not called when I press either of the buttons! Can someone tell me why? Thanks in advance, Sagiftw

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