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• How to display a mysql table data in another language properly in php

  - by Shinigami

  i have a mySQL table which the data in one of its columns is in a language other than English.(Persian) when i input data in the table , it is shown properly but when i want to show the data in a php file it displays like this:???? well,what should i do in order to show the data in its correct form?

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• Performance of jquery visible

  - by Mark Steudel

  I have a bunch of checkboxes on a page, and I only show a subset of those checkboxes at a time. I then perform some action which loops through all of the checkboxes and sees if they are checked or not: e.g. $(".delete_items").click( function() { $('.checkboxes' ).each(function(){ //do stuff } } Then I was thinking, well since the user can never interact with the hidden checkboxes, that adding :visible to checkboxes would speed up the loop e.g. $(".delete_items").click( function() { $('.checkboxes :visible' ).each(function(){ //do stuff } } But I don't know if adding :visible adds more overhead. Any thoughts?

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• C++ performance, optimizing compiler, empty function in .cpp

  - by Dodo

  I've a very basic class, name it Basic, used in nearly all other files in a bigger project. In some cases, there needs to be debug output, but in release mode, this should not be enabled and be a NOOP. Currently there is a define in the header, which switches a makro on or off, depending on the setting. So this is definetely a NOOP, when switched off. I'm wondering, if I have the following code, if a compiler (MSVS / gcc) is able to optimize out the function call, so that it is again a NOOP. (By doing that, the switch could be in the .cpp and switching will be much faster, compile/link time wise). --Header-- void printDebug(const Basic* p); class Basic { Basic() { simpleSetupCode; // this should be a NOOP in release, // but constructor could be inlined printDebug(this); } }; --Source-- // PRINT_DEBUG defined somewhere else or here #if PRINT_DEBUG void printDebug(const Basic* p) { // Lengthy debug print } #else void printDebug(const Basic* p) {} #endif

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• Delete data from a MSSQL standby database?

  - by SQL-Newbie

  Is it possible to delete data from a read only standby database that imports shipped log files? At least in my theory this shouldn't be possible because the deletion would change the LSN and the log shipping should break. What I need is a smaller sized database than the database that ships the logs. So basically I need a way to have the (readonly) standby server storing only the most recent data. Any ideas or recommendations on this?

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• LDAP user data caching on local database

  - by Eduardo

  I am integrating LDAP authentication in my web enterprise application. I would like to show listing of people name and email. Instead of querying the LDAP server for the name and email each time a listing containing several users I thought about caching the data locally in the database. Do you guys know about caching LDAP data best practices? Should I cache LDAP user data? When should I insert and refresh the data?

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• Dynamic swappable Data Access Layer

  - by Andy

  I'm writing a data driven WPF client. The client will typically pull data from a WCF service, which queries a SQL db, but I'd like the option to pull the data directly from SQL or other arbitrary data sources. I've come up with this design and would like to hear your opinion on whether it is the best design. First, we have some data object we'd like to extract from SQL. // The Data Object with a single property public class Customer { private string m_Name = string.Empty; public string Name { get { return m_Name; } set { m_Name = value;} } } Then I plan on using an interface which all data access layers should implement. Suppose one could also use an abstract class. Thoughts? // The interface with a single method interface ICustomerFacade { List<Customer> GetAll(); } One can create a SQL implementation. // Sql Implementation public class SqlCustomrFacade : ICustomerFacade { public List<Customer> GetAll() { // Query SQL db and return something useful // ... return new List<Customer>(); } } We can also create a WCF implementation. The problem with WCF is is that it doesn't use the same data object. It creates its own local version, so we would have to copy the details over somehow. I suppose one could use reflection to copy the values of similar fields across. Thoughts? // Wcf Implementation public class WcfCustomrFacade : ICustomerFacade { public List<Customer> GetAll() { // Get date from the Wcf Service (not defined here) List<WcfService.Customer> wcfCustomers = wcfService.GetAllCustomers(); // The list we're going to return List<Customer> customers = new List<Customer>(); // This is horrible foreach(WcfService.Customer wcfCustomer in wcfCustomers) { Customer customer = new Customer(); customer.Name = wcfCustomer.Name; customers.Add(customer); } return customers; } } I also plan on using a factory to decide which facade to use. // Factory pattern public class FacadeFactory() { public static ICustomerFacade CreateCustomerFacade() { // Determine the facade to use if (ConfigurationManager.AppSettings["DAL"] == "Sql") return new SqlCustomrFacade(); else return new WcfCustomrFacade(); } } This is how the DAL would typically be used. // Test application public class MyApp { public static void Main() { ICustomerFacade cf = FacadeFactory.CreateCustomerFacade(); cf.GetAll(); } } I appreciate your thoughts and time.

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• jQuery - .toggle() triggering on page load

  - by Jean

  Hello, When I click on the word Directory, the up arrow image must change to down, and vice-versa when clicked again. In this code, when the page loads, toggle is triggered. $('#direct').click(function(){ $('#arrow').attr('src','images/down_arrow_black.gif'); }); <div id="direct"><img src="images/up_arrow_black.gif" id="arrow" />Directory</div> Thanks Jean

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• Which is better Span that runat server or default asp lable ?

  - by Space Cracker

  I have a simple asp.net web page that contain a table with about 5 TR and each row have 2 TD .. in the page load I get user data ( 5 property ) and view them in this page the following are first 2 rows : <table> <tr> <td> FullName </td> <td> <span id="fullNameSpan" runat="server"></span> </td> </tr> <tr> <td> Username </td> <td> <span id="userNameSpan" runat="server"></span> </td> </tr> </table> I always used <asp:Label to set value by code but i always notice that label converted in runtime to span so i decided to user span by making him runat=server to be accessed by code, so Which is better to use asp:label or span with runat=server ??

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• Refreshing <div> and load data from php

  - by forgatn

  I have on my page and there is a tag where is some and values filled from mySQL DB. I need some JavaScript I think. When I select one option, I want to display in this propriate DATAs which are in DB. without refreshing whole page. Can you tell me how to do it, if you know that please?:) <div id="country1" class="tabcontent"> <label>Choose protocol</label> <SELECT name="cisloprot"> <?php $con = mysql_connect("localhost", "root", "123456"); $sql = "SELECT kod FROM prot GROUP BY kod"; $rs = mysql_query($sql,$con); while ($r = mysql_fetch_array($rs)) { echo "<OPTION VALUE=".$r['kod'].">".$r['kod']."</OPTION>"; } ?> </SELECT> </div>

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• How to load a database of countries in a web application

  - by lance_klusener

  Hello All, I am new to web application development, so sorry in advance if this question is too basic. The following are the details of the question: A] Platform being used -- google app engine with python, django. B] Tutorial link being used -- http://code.google.com/appengine/articles/djangoforms.html C] Question: In the application i am building, there is a drop down box which allows the user to select their country. Since the list of countries is above 200, i want to construct a database of the countries before the application loads. Once this application is deployed, i dont want the database to get re-loaded again, since the entries are constant for all the users. How does one achieve this ? thanks, Lance.

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• Google Map only showing Grey Blocks on load - Debug Cert has been obtained

  - by Tom

  I am attempting to follow the Google Map View under the views tutorial for the Android. I have followed step by step but still only see grey blocks when viewed. First: I created a Virtual Device using "Google API's(Google Inc.) Platform 2.2 API Level 8" Second: When creating my project I selected "Google API's Google Inc. Platform 2.2 API Level 8". Third: I obtained the SDK Debug Certificate Fouth: Began Coding. Main.xml <?xml version="1.0" encoding="utf-8"?> <com.google.android.maps.MapView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mapview" android:layout_width="fill_parent" android:layout_height="fill_parent" android:clickable="true" android:apiKey="0l4sCTTyRmXTNo7k8DREHvEaLar2UmHGwnhZVHQ" / HelloGoogleMaps.java package com.example.googlemap; import android.app.Activity; import android.os.Bundle; import com.google.android.maps.MapView; import com.google.android.maps.MapActivity; public class HelloGoogleMaps extends MapActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } @Override protected boolean isRouteDisplayed() { return false; } } HelloGoogleMaps Manifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.googlemap" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <uses-library android:name="com.google.android.maps" /> <activity android:name=".HelloGoogleMaps" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> </manifest> Any thoughts?? Thanks!

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• Printing data in Excel ver 14.0 in a maxed cell

  - by Zppy

  I have set the cell to the maximum size (column width of 255 and row height of 409.5). In order to view all of the data in the cell, I have to use up/down arrows. I don't need to necessarily view all of the data in the cell at one time, however I do need it to print, and it's only printing what's viewable (not what you can scroll through).....any suggestions on how to get the entire cell to print? Thanks!

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• Does table columns increase select statement execution time

  - by paokg4

  I have 2 tables, same structure, same rows, same data but the first has more columns (fields). For example: I select the same 3 fields from both of them (SELECT a,b,c FROM mytable1 and then SELECT a,b,c FROM mytable2) I've tried to run those queries on 100,000 records (for each table) but at the end I got the same execution time (0.0006 sec) Do you know if the number of the columns (and in the end the size of the one table is bigger than the other) has to do something with the query execution time?

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• Codeigniter: user defined helper function does not load.

  - by cbrandolino

  Hi everybody. I made a custom helper extending the system string_helper.php. I placed it in my /application/helpers folder, called MY_string_helper.php as required, unit-tested its functions. Now, when I try to call one of its functions from a model, it does not work. The functions in the default string helper work, instead. It looks like my extension is not loaded for some reasons. Thanks a lot, and happy holidays.

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• Copy data from one SQL Server database table to the other

  - by lucky

  I don't know how to copy table data from one server - database - table TO other sever - database - table. If it is with in the same server and different databases, i have used the following SELECT * INTO DB1..TBL1 FROM DB2..TBL1 (to copy with table structure and data) INSERT INTO DB1..TBL1(F1, F2) SELECT F1, F2 FROM DB2..TBL1 (copy only data) Now my question is copy the data from SERVER1 -- DB1-- TBL1 to SERVER2 -- DB2 --TBL2

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• C++ assignment - stylish or performance?

  - by joejax

  Having been writing Java code for many years, I was amazed when I see this C++ statement: int a,b; int c = (a=1, b=a+2, b*3); My question is: Is this a choice of coding style, or it has real benefit? (looking for a practicle use case) I think the compiler will see it the same as following: int a=1, b=a+2; int c = b*3; (What's the offical name for this? I assume it's a standard C/C++ syntax.)

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• Static method,new thread performance question

  - by ylazez

  Hey guys i just have two questions about two methods used in many controllers/servlets in my app: 1-what is the difference between calling a static method in a util class or a non static method (like methods dealing with dates i.e getting current time,converting between timezones), which is better ? 2-what is the difference between calling a method(contain too many logic like sending emails) in the controller directly or running this method in a different thread ?

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• UITableView smooth scrolling performance

  - by Sheehan Alam

  What makes scrolling so choppy on the UITableView when images are loaded? Is it because they need to be added as subviews? Or is it because images need to be cached? Both?

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• Help me choose between XML or SQL Lite on android

  - by Ngetha

  I have an android app that periodically, say once a week downloads content from a server in XML. The content is used by the app, different Acitivities use different parts of the content. My question is a design one, should I save the data in SQlite or just keep it as an XML file, which one would be faster to read? The app can only use one content piece at a time, which means subsequent XML content downloads replace the old one.

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• Pass data via ajax to dialog Jquery

  - by user342391

  I am trying to post data from my form to a jquery dialog that loads external content. I am serializing the form data which works (appears in the url) but the dialog won't open: $("#wavajax button").click(function() { $.post({url: 'player/index.php', data: $("#wavajax").serialize(), success: function (data) { $("#recordingdialog").load("player/index.php", [], function(){ $("#recordingdialog").dialog("open"); } }); return false; }); What am I doing wrong, am I going about it the right way???

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• Future of IE9: Opacity + Performance

  - by chris_l

  I just tried the IE9 "Second Internet Explorer Platform Preview" - which supports CSS opacity now. That's nice, but I tried it with one of my website prototypes, and it's quite slow when scrolling etc. Admittedly, the prototype uses hundreds of images with opacity != 1, but everything is snappy with current versions of Firefox, Safari, Chrome and Opera. Does anybody know, if there are plans for IE9 to become faster in this area? Even rumours about this would be interesting in this case.

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• JQuery addclass to another div (but not parent) if no data is found

  - by Danny

  I have this to add a class to the main table that the report is in if there is no data returned. $('#report-area table td:contains("Sorry, your search did not return any data")').parents('#reportArea').addClass('no-report-data') However, I have another div area "#report-footer" but it's not inside #report-area. I'd like to also add the .no-report-data class to "#report-footer" as well but in this case I don't think the .parents selector will work. Is there another selector I can use to do this?

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• How to Load In Content with jQuery?

  - by ClarkSKent

  Hello, I am trying to add ajax functionality to my pagination so the content loads in the same page instead of the user having to navigate to another page when clicking the page links. I should mention that I am using this php pagination class. Being new to jquery, I am unsure of how to properly do this with the pagination class. This is what the main page looks like: <?php $categoryId=$_GET['category']; echo $categoryId; ?> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script> <script type="text/javascript" src="jquery_page.js"></script> <?php //Include the PS_Pagination class include('ps_pagination.php'); //Connect to mysql db $conn = mysql_connect('localhost', 'root', 'root'); mysql_select_db('ajax_demo',$conn); $sql = "select * from explore where category='$categoryId'"; //Create a PS_Pagination object $pager = new PS_Pagination($conn, $sql, 3, 11, 'param1=value1&param2=value2'); //The paginate() function returns a mysql //result set for the current page $rs = $pager->paginate(); //Loop through the result set echo "<table width='800px'>"; while($row = mysql_fetch_assoc($rs)) { echo "<tr>"; echo"<td>"; echo $row['id']; echo"</td>"; echo"<td>"; echo $row['site_description']; echo"</td>"; echo"<td>"; echo $row['site_price']; echo"</td>"; echo "</tr>"; } echo "</table>"; echo "<ul id='pagination'>"; echo "<li>"; //Display the navigation echo $pager->renderFullNav(); echo "</li>"; echo "</ul>"; ?> <div id="loading" ></div> <div id="content" ></div> <a href="#" class="category" id="marketing">Marketing</a> <a href="#" class="category" id="automotive">Automotive</a> <a href="#" class="category" id="sports">Sports</a> Any help on this would be great. Thanks.

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• Cross domain iframe content load detection

  - by fpb

  I have a rather interesting problem. I have a parent page that will create a modal jquery dialog with an iframe contained within the dialog. The iframe will be populated with content from a 3rd party domain. My issue is that I need to create some dialog level javascript that can detect if the content of the iframe loaded successfully and if it hasn't within a 5 second time frame, then to close the dialog and return the user to the parent page. I have researched numerous solutions and only two are of any true value. Get the remote site to include a javascript line of document.domain = 'our-domain.com'. Use a URL Fragment hack, but again I would need the request that the remote site able to modify the URL by appending '#some_value' to the end of the URL and my dialog window would have to poll the URL until it either sees it or times out. Are these honestly the only options I have to work with? Is there not a simpler way to just detect this? I have been researching if there's a way to poll for http response errors, but this still remains confined to the same restrictions. Any help would be immensely appreciated. Thanks

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• Google App Engine, Java, and HTTP Performance

  - by polyclef

  A friend and I are currently working on a turn-based game with chat with both desktop browser and Android clients, with Google App Engine as the server. We're using the Java API for GAE and using HTTP for communication with the server. We've implemented simple chat functionality, and we're getting undesirable latencies 1-3 seconds from both the browser and Android clients while just posting simple one-word chat messages. My friend thought it would be best to use XMPP instead of HTTP, but we want to use a Google Accounts cookie for authentication from the Android client, and according to the GAE documentation, XMPP clients cannot use a Google Accounts cookie and must use the user's password. Does anyone have any suggestions as to where the latency might be coming from, how to troubleshoot it, and/or what to do about it? Also, is anyone aware of any opensource implementations of chat (or something similar) on GAE done in Java? Can't seem to find any.

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