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  • How do I use multiple arguments from an array to construct an execl() call in C?

    - by chucknelson
    I have a string array in C named args[] - now how can I use this list of arguments to construct a proper call to execl()? So if the array contains: {"/bin/ls","ls","-a","-l"} ...how can I eventually construct an execl() call that is: execl("/bin/ls","ls","-a","-l",NULL); I must be thinking about this wrong, as I can't find anything online, just talk about defining functions that can take a variable number of arguments.

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  • how to video play automatically?

    - by Karthikeyan Karthik
    When load in my app automatically play videos. when the video should stop, automatically to play another video.enter code here private void videoplayer(String filename, int position) { // TODO Auto-generated method stub getWindow().setFormat(PixelFormat.TRANSPARENT); VideoView video = (VideoView)findViewById(R.id.vid_view1); System.gc(); video.setVideoPath(filename); video.requestFocus(); if(position>=0){ video.start(); } }

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  • excluding posts in Wordpress

    - by Ayrton
    I wondered how I could exclude posts in Wordpress. E.g. I have a string $exclude_ids (= "4,5,6") or (="-4,-5,-6") and I would like to prevent these posts from showing up. How would I do that? I already tried: query_posts('p=' . $exclude_ids); but that didn't really work out and I didn't really find any information regarding this topic on google. Cheers

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  • Parameter has no walue

    - by Simon
    string queryString = "SELECT SUM(skupaj_kalorij)as Skupaj_Kalorij " + "FROM (obroki_save LEFT JOIN users ON obroki_save.ID_uporabnika=users.ID)" + "WHERE users.ID= " + a.ToString() + " AND obroki_save.datum =?"; using (OleDbCommand cmd = new OleDbCommand(queryString,database)) { cmd.Parameters.Add("@datum", OleDbType.Char).Value = DateTime.Now.ToShortDateString(); } Why doesn't the parametr datum get the date value? (the value of at least one complex parameter has not been determined )

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  • how could I store data within a GUID

    - by Mark
    I have an application that I want to represent a users session (just small pieces of data here and there) within a GUID. Its a 16 HEX characters (so 16^16 possible values) string and I want to 'encode' some data within that GUID. How can I achieve this? I am really after any ideas and implementations here, Ive not yet decided on the best mechanism for it yet. I would also like encryption to be involved if possible... Thanks a lot Mark

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  • Send activation email to user

    - by Martin
    How would I do to check if a email actially exists? Cant understand how sites do to send mails with a unique link that the users clicks to validate that he is the owner of email =/ Make a 2 new columns called activationkey and activated and store some random string, send an email with the activationkey, and update the users activated =1 that match that activation link register.php?a=activate&key=9cdfb439c7876e703e307864c9167a15 Any better ideas?

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  • Datable.Select sort expression

    - by xyz
    Hi, I have datatable with column name tag and 100 rows of data.I need to filter this table with tag starting with "UNKNOWN". What should my sortexpression for datatable.select be ? I'm trying the following. Datarow[] abc = null; abc = dtTagList.Select(string.format("tag='{0}'","UNKNOWN")) How can I achieve tag startswith 'UNKNOWN' in the above code ?

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  • How to check if numbers are in correct sequence?

    - by Nazariy
    I have a two dimensional array that contain range of numbers that have to be validated using following rules, range should start from 0 and follow in arithmetic progression. For example: $array = array(); $array[] = array(0);//VALID $array[] = array(0,1,2,3,4,5);//VALID $array[] = array("0","1");//VALID $array[] = array(0,1,3,4,5,6);//WRONG $array[] = array(1,2,3,4,5);//WRONG $array[] = array(0,0,1,2,3,4);//WRONG what is most efficient way to do that in php? UPDATE I forgot to add that numbers can be represented as string

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  • autoexp.dat does not seem to take affect in Visual Studio C++ 2005 debugger.

    - by Pradyot
    autoexp.dat does not seem to take affect in Visual Studio C++ 2005 debugger. I am not trying to add any custom rules. Just want commonly used stuff like stl::string, to display in a friendlier manner. Does anyone know. how I can accomplish this? Is this just question of specifying a path to the autoexp.dat file somewhere. The file is available under the Visual Studio installation directory.

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  • Reusing a NSString variable - does it cause a memory leak?

    - by Chris S
    Coming from a .NET background I'm use to reusing string variables for storage, so is the code below likely to cause a memory leak? The code is targeting OS X on the iphone/itouch so no automatic GC. -(NSString*) stringExample { NSString *result = @"example"; result = [result stringByAppendingString:@" test"]; // where does "example" go? return result; } What confuses me is an NSStrings are immutable, but you can reuse an 'immutable' variable with no problem.

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  • whats wrong with this php mysql_real_escape_string

    - by skyhigh
    Hi Atomic Number Latin English Abbreviation * check the variables for content */ /*** a list of filters ***/ $filters = array( 'searchtext' => array( 'filter' => FILTER_CALLBACK, 'options' => 'mysql_real_escape_string'), 'fieldname' => array( 'filter' => FILTER_CALLBACK, 'options' => 'mysql_real_escape_string') ); /*** escape all POST variables ***/ $input = filter_input_array(INPUT_POST, $filters); /*** check the values are not empty ***/ if(empty($input['fieldname']) || empty($input['searchtext'])) { echo 'Invalid search'; } else { /*** mysql hostname ***/ $hostname = 'localhost'; /*** mysql username ***/ $username = 'username'; /*** mysql password ***/ $password = 'password'; /*** mysql database name ***/ $dbname = 'periodic_table'; /*** connect to the database ***/ $link = @mysql_connect($hostname, $username, $password); /*** check if the link is a valid resource ***/ if(is_resource($link)) { /*** select the database we wish to use ***/ if(mysql_select_db($dbname, $link) === TRUE) { /*** sql to SELECT information***/ $sql = sprintf("SELECT * FROM elements WHERE %s = '%s'", $input['fieldname'], $input['searchtext']); /*** echo the sql query ***/ echo '<h3>'.$sql.'</h3>'; /*** run the query ***/ $result = mysql_query($sql); /*** check if the result is a valid resource ***/ if(is_resource($result)) { /*** check if we have more than zero rows ***/ if(mysql_num_rows($result) !== 0) { echo '<table>'; while($row=mysql_fetch_array($result)) { echo '<tr> <td>'.$row['atomicnumber'].'</td> <td>'.$row['latin'].'</td> <td>'.$row['english'].'</td> <td>'.$row['abbr'].'</td> </tr>'; } echo '</table>'; } else { /*** if zero results are found.. ***/ echo 'Zero results found'; } } else { /*** if the resource is not valid ***/ 'No valid resource found'; } } /*** if we are unable to select the database show an error ****/ else { echo 'Unable to select database '.$dbname; } /*** close the connection ***/ mysql_close($link); } else { /*** if we fail to connect ***/ echo 'Unable to connect'; } } } else { echo 'Please Choose An Element'; } ? I got this code from phppro.org tutorials site and i tried to run it. It gives Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: A link to the server could not be established. .... Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Access denied for user 'ODBC'@'localhost' (using password: NO).... I went to php.net and look it up "Note: A MySQL connection is required before using mysql_real_escape_string() otherwise an error of level E_WARNING is generated, and FALSE is returned. If link_identifier isn't defined, the last MySQL connection is used." My questions are: 1-why they put single quotation around mysql_real_escape_string ? 2-They should establish a connection first, then use the $filter array statement with mysql_real_escape_string ?

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  • sql query not executing

    - by sarah
    Hi, Not able to execute a query ,i need to check if end date is greater than today in the following query Getting an error invalid query select * from table1 where user in ('a') and END_DATE >'2010-05-22' getting an error liter string does not match

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  • Passing multiple parameters of same column to SQL Server select SP

    - by Bill
    I have a string value in the web.config — for example 2 guids seperated by a ",". I need to query the database dynamically (i.e i have no idea how many values could be seperated by a comma in the web.config) and run a select statement on the table passing these values and getting all that is relevant for example: select * from tablename where columnname = string1 string2 string3 etc etc some strings may only contain 1 guid some may contain 10

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  • Zsh command substitution

    - by Dr. Watson
    I usually work with BASH, but I'm trying to setup a cronjob from a machine and user account that is configured with zsh. When the cronjob runs, the date variable does not contain the date, just the string for the command to return the date. DATE=$(date +%Y%m%d) 55 15 * * 1-5 scp user@host:/path/to/some/file/$DATE.log /tmp I've tried using backticks rather than $() around the command, but that did not work either. Is there a special way to do command substitution in zsh?

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  • Using @Resource to load environment entries

    - by a1ex07
    Hi, I'm trying to load bean runtime configuration. @Stateless public class MyBean implements MyLocal{ @Resource String runtimeSetting1="default_value"; //.... } I cannot find out how to create custom resource on app server side (Glassfish) - I have no idea what I should enter in "Factory Class" field. Maybe there is a better way of loading configuration... Thanks.

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  • Parsing returned array in javascript

    - by Dan
    I'm making a call to PayPal's credit card processor, and after a successful/unsuccessful transaction it returns me a string that looks like this: DoDirectPayment failed: Array ( [TIMESTAMP] = 2010%2d05%2d02T23%3a33%3a28Z [CORRELATIONID] = 8c503f5c6c861 [ACK] = Failure [VERSION] = 51%2e0 [BUILD] = 1268624 [L_ERRORCODE0] = 10527 [L_SHORTMESSAGE0] = Invalid%20Data [L_LONGMESSAGE0] = This%20transaction%20cannot%20be%20processed%2e%20Please%20enter%20a%20valid%20credit%20card%20number%20and%20type%2e [L_SEVERITYCODE0] = Error [AMT] = 90%2e00 [CURRENCYCODE] = USD ) I'm not a javascript pro, but how exactly can I turn that into a parseable array? Thank you!

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  • PHP - preg_replace with multiple matches

    - by Neil
    Let's say I have a string like: $text = "<object>item_id1a2b3</object>xxx<object>item_id4c5d6</object>" I want to convert it to: %ITEM:1a2b3xxx%ITEM:4c5d6 Here's what I've got: $text = preg_replace("/<object.*item_id([a-zA-Z0-9]+).*<\/object/","%ITEM:$1",$text); This isn't quite right, as the search is greedy. Thoughts? Thanks!

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  • can not run java program from command line which resides in package

    - by kshitij
    See following code with resides in fillowing directory mypack.pack1 package mypack.pack1; public class myclass { public static void main(String args[]) { System.out.println("KKKKKKKKKKKKKKKKKKKKKKKKKKKKKK"); } } See following screen shot. that is giving error. And i dont want to add anything in class path because i am in particular directory and it has to work. why it is not working.??????

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