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  • Create table with PHP and populate from MySQL

    - by typoknig
    Hi all, I am creating a table to display on a web page and that table is populated from data in a MySQL database. I am trying to do a couple of things that are making it difficult for me. First I am trying to have call the PHP code that exists in a separate file in HTML via JavaScript. I think I have that working right but I am not 100% sure (because the table will not display). I think it is working right because some of the code for the table (which is in the PHP file) displays in FireBug. Second I am trying to make it so the rows alternate colors for easy viewing too. My PHP code so far is below. The table does not display at all in any browser. $query = "SELECT * FROM employees"; $result = mysql_query($query); $num = mysql_num_rows($result); echo '<table>'; for ($i = 0; $i < $num; $i++){ $row = mysql_fetch_array($result); $id = $row['id']; $l_name = $row['l_name']; $f_name = $row['f_name']; $ssn = $row['ssn']; $class = (($i % 2) == 0) ? "table_odd_row" : "table_even_row"; echo "<tr>"; echo "<td class=" . $class . ">$wrap_id</td>"; echo "<td class=" . $class . ">$wrap_l_name</td>"; echo "<td class=" . $class . ">$wrap_f_name</td>"; echo "<td class=" . $class . ">$wrap_ssn</td>"; echo "</tr>"; } echo '</table>'; mysql_close($link); }

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  • Question about Benchmark function in Mysql ( Incredible results ).

    - by xRobot
    I have 2 tables: author with 3 millions of rows. book with 20 miles rows. . So I have benchmarked this query with a join: SELECT BENCHMARK(100000000, 'SELECT book.title, author.name FROM `book` , `author` WHERE book.id = author.book_id ') And this is the result: Query took 0.7438 sec ONLY 0.7438 seconds for 100 millions of query with a join ??? Do I make some mistakes or this is the right result ?

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  • Auto-create ManagedBean problem

    - by Debbech
    I need to instanciate a ManagedBean manually in jsp code. I used the following code : FacesContext context = FacesContext.getCurrentInstance(); ActorBean bean = (ActorBean) context.getApplication().createValueBinding("#{actorBean}").getValue(context); response.getWriter().print(bean.getChaine()); but I still get a NullPointerException ! :( Any suggestion please. This is the stacktracelog: 11 juin 2010 12:33:44 org.apache.catalina.core.StandardWrapperValve invoke GRAVE: "Servlet.service()" pour la servlet jsp a généré une exception java.lang.NullPointerException at org.apache.jsp.jspx.portal_jsp._jspService(portal_jsp.java:157) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source)

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  • C# Create "wireframe"/3D "map"

    - by Qrew
    How can I produce a similar output in C# window forms in the easiest way? Each individual points should be "editable" by pressing some keys to increment or decrement and navigate trough it with arrow keys. Is there a good library for this purpose?

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  • Trying to create a group of button sprites

    - by user1449653
    Good day, I have like 15 images I need to be buttons. I have buttons working with a Box() (Box - looks like this) class Box(pygame.sprite.Sprite): def __init__(self): pygame.sprite.Sprite.__init__(self) self.image = pygame.Surface((35, 30)) self.image = self.image.convert() self.image.fill((255, 0, 0)) self.rect = self.image.get_rect() self.rect.centerx = 25 self.rect.centery = 505 self.dx = 10 self.dy = 10 I am trying to make the buttons work with image sprites. So I attempted to copy the class style of the box and do the same for my Icons.. code looks like this... class Icons(pygame.sprite.Sprite): def __init__(self): pygame.sprite.Sprite.__init__(self) self.image = pygame.image.load("images/airbrushIC.gif").convert() self.rect = self.image.get_rect() self.rect.x = 25 self.rect.y = 550 the code in the main() rect = image.get_rect() rect.x = 25 rect.y = 550 ic1 = Icons((screen.get_rect().x, screen.get_rect().y)) screen.blit(ic1.image, ic1.rect) pygame.display.update() This code produces a positional (accepts 1 argument but 2 are there) error or an image is not referenced error (inside the Icon class). I'm unsure if this is the right way to go about this anyways.. I know for sure that I need to load all the images (as sprites)... store them in an array... and then have my mouse check if it is clicking one of the items in the array using a for loop. Thanks. EDIT QUESTION 2: class Icons(pygame.sprite.Sprite): def init(self, *args): pygame.sprite.Sprite.init(self, *args) self.image = pygame.image.load("images/airbrushIC.gif").convert() self.rect = self.image.get_rect() ic1 = self.image self.rect.x = 10 self.rect.y = 490 self.image = pygame.image.load("images/fillIC.gif").convert() self.rect = self.image.get_rect() ic2 = self.image self.rect.x = 10 self.rect.y = 540 Thanks to your help I got the Icons class loading ONE image. Its not loading both. Obviously because its being overwritten by the second one. It seems that "class" for this purpose isn't what I need. Which begs the question how I make sprites outside of a class.. If there is a way to make the class work please let me know.

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  • Data Structure / Hash Function to link Sets of Ints to Value

    - by Gaminic
    Given n integer id's, I wish to link all possible sets of up to k id's to a constant value. What I'm looking for is a way to translate sets (e.g. {1, 5}, {1, 3, 5} and {1, 2, 3, 4, 5, 6, 7}) to unique values. Guarantees: n < 100 and k < 10 (again: set sizes will range in [1, k]). The order of id's doesn't matter: {1, 5} == {5, 1}. All combinations are possible, but some may be excluded. All sets and values are constant and made only once. No deletes or inserts, no value updates. Once generated, the only operations taking place will be look-ups. Look-ups will be frequent and one-directional (given set, look up value). There is no need to sort (or otherwise organize) the values. Additionally, it would be nice (but not obligatory) if "neighboring" sets (drop one id, add one id, swap one id, etc) are easy to reach, as well as "all sets that include at least this set". Any ideas?

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  • how can i Create looper in timer

    - by Yogesh Ude
    private static final long UPDATE_INTERVAL = 1* 60 * 1000; private Timer timer = new Timer(); public int onStartCommand(Intent intent, int flags, int startId) { timer.scheduleAtFixedRate(new TimerTask() { mLocationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, LOCATION_INTERVAL, LOCATION_DISTANCE, mLocationListeners[0]); }, 0, UPDATE_INTERVAL); return START_STICKY; }

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  • returning values from function or method multiple times by only calling the class once

    - by Sokhrat Sikar
    I have a members.php file that shows my websites members. I echo members name by using foreach method. A method of Members class returns an array, then I use foreach loop in the members.php file to echo the members. I am trying to aovid writing php code in my members.php file. Is there a way to avoid using foreach inside members.php file? For example, is it possible to return value from a method couple of times? (by only calling the object once). Just like how we normally call the functions? This question doesn't make sense, but I am just trying to see if there is a away around this issue?

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  • Implement sms scheme function in iPhone apps

    - by elson
    hi, is there any code on how to implement the sms scheme in iPhone apps. in addition, implementing this sms scheme will allow my apps interact with the sms apps ma like doing subscription of advertisement or services ? any help, i truly appreciated it. Cheers

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  • MATLAB pdist function

    - by James
    Hi, I am using the pdist command to find the distance between x and y coordinates stored in a matrix. X = [100 100; 0 100; 100 0; 500 400; 300 600;]; D = pdist(X,'euclidean') Which returns a 15 element vector. : [0.734979755525412 3.40039811339820 2.93175207511321 1.83879677592575 2.40127440268306 2.75251513299386 2.21488402640753 1.10610649500317 1.81674017301699 0.903207751535635 1.99116952754924 1.05069952386082 1.24122819418333 1.08583377275532 1.38729428638035] Is there a way to associate these distances with the coordinates they were derived from, i.e. store them in a matrix with the general row form: [Length xcoordinate1 ycoordinate1 xcoordinate2 ycoordinate2] Where there is a row for each length found? Thanks in advance

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  • Mail php function does'nt send the email

    - by Mamadou
    Hello everybody, I have the following code wich work on some server and does not work in an other: $Name = "myname"; //senders name $email_sender = "[email protected]"; //senders e-mail adress $recipient = $email; //recipient $mail_body = "The text for the mail..."; //mail body $subject = "Subject for reviever"; //subject $header = "From: ". $Name . " <" . $email_sender . ">\r\n"; $status = mail($recipient, $subject, $mail_body, $header); print('ENVOI '. $status); the $status variable is true but i dont see any email.

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  • Virtual function - including some html

    - by Ockonal
    Hello, I have a php-file which includes another html-file: <? virtual("../top.html");?> The problem is that any code before this include compiles and runs well, after - nothing. There aren't any errors etc. After commenting this line, everything works. Code was written under local computer with ArchLinux + LAMP. Now I have ubuntu 10.04 with the same configuration. What could it be?

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  • Function of: if(/(file|http).*/.test(url)) { }

    - by WmasterJ
    I am wondering what this technique is called and what it does. It seems to be validating some regular expression on the variable url. I am customizing another persons code: var url = document.getElementById("editorURL").value; if(/(file|http).*/.test(url)) { } Maybe someone has a link to an article that explains this a bit more in-depth?

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  • Mysql - NOW() function calling

    - by Ockonal
    Hello, I'm using php for making queries for mysql. Here is one: UPDATE `subscribers` SET `curDate` = NOW() WHERE `e_mail` = "$resEmail" curDate - DateTime type. The problem is that after this query curDate of given email is 0000-00-00 00:00:00 What's wrong?

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  • How to detect invalid route and trigger function in Backbone.Controller

    - by tomodian
    Is there any method to detect invalid (or undefined) route and trigger 404 page in Backbone.Controller? I've defined routes in my Controller like this, but it didn't work. class MyController extends Backbone.Controller routes: "method_a": "methodA" "method_b": "methodB" "*undefined": "show404Error" # when access to /#method_a methodA: -> console.log "this page exists" # when access to /#method_b methodB: -> console.log "this also exists" # when access to /#some_invalid_hash_fragment_for_malicious_attack show404Error: -> console.log "sorry, this page does not exist"

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  • Does dict.update affect a function's argspec?

    - by sbox32
    import inspect class Test: def test(self, p, d={}): d.update(p) return d print inspect.getargspec(getattr(Test, 'test'))[3] print Test().test({'1':True}) print inspect.getargspec(getattr(Test, 'test'))[3] I would expect the argspec for Test.test not to change but because of dict.update it does. Why?

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  • C/C++ function definitions without assembly

    - by Jack
    Hi, I always thought that functions like printf() are in the last step defined using inline assembly. That deep into stdio.h is burried some asm code that actually tells CPU what to do. Something like in dos, first mov bagining of the string to some memory location or register and than call some int. But since x64 version of Visual Studio doesent support inline assembler at all, it made me think that there are really no assembler-defined functions in C/C++. So, please, how is for example printf() defined in C/C++ without using assembler code? What actually executes the right software interrupt? Thanks.

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  • Arena in Malloc Function

    - by Vaibhav
    I am using malloc_stats() to print malloc related statistics in which I am finding "Arena 0" for some programs and "Arena 0 and Arena 1" for some other programs. What do these arenas represent?

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  • Contact picker with search function

    - by tiex
    This question1 describes a way how to show list of phone numbers and select one of them if my app needs a phone number. But image if I have a huge contact list, it is not enough to just show list but possibility for filtering (by contact's name) is also needed. Is there a standard way to show phones list with picking possibility and with filtering possibility? (I wouldn't like to invent my own) Is there a solution for the problem for sdk 2.0 and lower?

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  • create logging so that the messages will be displayed on screen and logged to a file

    - by robUK
    Hello, gcc 4.4.4 c89 I am writing a client/server application. I have finished and now I want to implement some logging feature that will display log messages on the screen as well as log to a file. However, I don't want to display all log messages (warning, error, critical, unrecoverable, debug, etc). Maybe I can set so that it will display, just errors and debug messages and nothing else. For example, the user might not be interested in the debug messages. Is there any design-pattern that I can follow? What do you normally for for logging? Any tutorials out there that address logging? many thanks for any suggestions,

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