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  • Is there an easy way to concatenate several lines of text into a string without constantly appending

    - by Marshmellow1328
    So I essentially need to do this: String text = "line1\n"; text += "line2\n"; text += "line3\n"; useString( text ); There is more involved, but that's the basic idea. Is there anything out there that might let me do something more along the lines of this though? DesiredStringThinger text = new DesiredStringThinger(); text.append( "line1" ); text.append( "line2" ); text.append( "line3" ); useString( text.toString() ); Obviously, it does not need to work exactly like that, but I think I get the basic point across. There is always the option of writing a loop which processes the text myself, but it would be nice if there is a standard Java class out there that already does something like this rather than me needing to carry a class around between applications just so I can do something so trivial. Thanks!

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  • not getting new updated data while using AJAX in calling partial file

    - by dharin
    I have called the partial file form the loop. now when i update , i do not actually get updated result but need to do refresh for getting updated result. the code is like this : the file1 @folders.each do |@folder| = render :partial => 'folders/group_list' the partial file %div{:id => "group_list_#{@folder.id}"} // this is the div which needs to be updated = group_member(@folder) //this is the helper method I need the updated @folder from controller but I always get file1's @folder controller side def any_method .. some code .. @folder = Folder.find(params[:folder_id]) render :partial => '/folders/group_list' end

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  • Powershell Select-Object from array not working

    - by Andrew
    I am trying to seperate values in an array so i can pass them to another function. Am using the select-Object function within a for loop to go through each line and separate the timestamp and value fields. However, it doesn't matter what i do the below code only displays the first select-object variable for each line. The second select-object command doesn't seem to work as my output is a blank line for each of the 6 rows. Any ideas on how to get both values $ReportData = $SystemStats.get_performance_graph_csv_statistics( (,$Query) ) ### Allocate a new encoder and turn the byte array into a string $ASCII = New-Object -TypeName System.Text.ASCIIEncoding $csvdata = $ASCII.GetString($ReportData[0].statistic_data) $csv2 = convertFrom-CSV $csvdata $newarray = $csv2 | Where-Object {$_.utilization -ne "0.0000000000e+00" -and $_.utilization -ne "nan" } for ( $n = 0; $n -lt $newarray.Length; $n++) { $nTime = $newarray[$n] $nUtil = $newarray[$n] $util = $nUtil | select-object Utilization $util $tstamp = $nTime | select-object timestamp $tstamp }

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  • get entire line with java.util.scanner.hasNext(regex)

    - by Hussain
    I'm doing something in Java that requires input to be matched against the pattern ^[1-5]$. I should have a while loop looping through each line of input, checking it against the pattern, and outputting an error message if it does not. Sudo code: while (regex_match(/^[^1-5]$/,inputLine)) { print ("Please enter a number between 1 and 5! "); getNextInputLine(); } I can use java.util.Scanner.hasMatch("^[^1-5]$"), but that will only match a single token, not the entire line. Any idea on how to make hasMatch match against the entire line? (Setting the delimiter to "\n" or "\0" doesn't work.)

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  • foreach with an array of stdclass objects

    - by Jared Steffen
    So, what I want to do is quite simple in my mind. I have an array that consists solely of four objects. I want to create a loop that will echo an attribute of each object in the array. The only success I've had, however, is echoing every object and every property of the objects. I've never dealt with objects so this is probably the TRUE root of the problem. There's been a few revisions but the only thing I've really excelled at is creating error codes. Here is what I have: $categories = get_categories(array('child_of' => '8')); foreach ($categories as $cat) { echo $cat->name; };

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  • C++ String manipulation isn't making sense to me...

    - by Andrew Bolster
    I am trying some of the Stanford SEE courses online to learn some new languages; this particular assignment has to do with removing substrings from strings. What I've got so far is below, but if text = "hello hello" and remove ="el", it gets stuck in a loop, but if i change text to text = "hello hllo", it works, making me think I'm doing something obviously stupid. There is a stipulation in the assignment not to modify the incoming strings, and instead to return a new string. string CensorString1(string text, string remove){ string returned; size_t found=0, lastfound=0; found = (text.substr(lastfound,text.size())).find(remove); while (string::npos != found ){ returned += text.substr(lastfound,found); lastfound = found + remove.size(); found = (text.substr(lastfound,text.size())).find(remove); } returned += text.substr(lastfound,found); return returned; } Guidance would be appreciated :-) Thanks

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  • mysql LAST_INSERT_ID() used with multiple records INSERT statement

    - by bogdan
    Hello, If i insert multiple records with a loop that executes a single record insert, the last insert id returned is, as expected, the last one... but if i do a multiple records insert statement: INSERT INTO people (name,age) VALUES('William',25),('Bart',15),('Mary',12); let's say the three above are the first records inserted in the table...after the insert statement i expected last insert id to return 3, but it returned 1...the first insert id for the statement in question... So can someone please confirm if this is the normal behavior of LAST_INSERT_ID() in the context of multiple records INSERT statements...so i can base my code on it thanks :)

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  • Is my program taking too much time to execute?

    - by Conrad C
    I wanted to solve a question from project euleur about finding the largest prime number of a big number. I run my code on a virtual machine on Visual studio 2012, and the code seems froze. When I step into the loop, the code works well, but when I execute it, the console is always there. It is as if the program is still running. Could it be that the program takes time to execute? My Code static void Main(string[] args) { long number = 5; for (long i = 1; i < 600851475143; i++) { if (i % 2 != 0 && i % 1 == 0 && i % i == 0) number = i; } }

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  • Search Form using PHP/mySQL and Fancybox iFrame

    - by Cocoonfxmedia
    I am struggling to get a search form in PHP to work with a fancybox iFrame. The search form queries a MySQL database and I want the results to show in the iFrame. However for some reason i can not get this to work. I have pasted the complete code below. Appreciate any support with this? Java Script: <script type="text/javascript"> $(document).ready(function() { $("#tip5").fancybox({ 'scrolling' : 'no', 'titleShow' : false, 'onClosed' : function() { $("#login_error").hide(); } }); }); </script> HTML/PHP <form method="post" action="test2.php?go" id="topF"> <input type="text" name="name"> <input type="submit" name="submit" id="tip5" href="#results" value="Search" class="buttonSubmit"> </form> <div id="results"> <?php if(isset($_POST['submit'])){ if(isset($_GET['go'])){ if(preg_match("/[A-Z | a-z]+/", $_POST['name'])){ $name=$_POST['name']; //-query the database table $sql="SELECT id, COMPANY, TOWN, COUNTY, ServiceStandards,Active FROM main WHERE Active='Y' AND COMPANY LIKE '%" . $name . "%' OR TOWN LIKE '%" . $name . "%'AND Active='Y' OR ServiceStandards LIKE '%" . $name . "%' AND Active='Y' OR COUNTY LIKE '%" . $name . "%'AND Active='Y'"; $result5=mysql_query($sql); $numrows=mysql_num_rows($result5); echo "<p>" .$numrows . " results found for " . stripslashes($name) . "</p>"; //-create while loop and loop through result set while($numrow=mysql_fetch_array($result5)){ $Company =$numrow['COMPANY']; $Town=$numrow['TOWN']; $County=$numrow['COUNTY']; $ID=$numrow['id']; $Service=$numrow['ServiceStandards']; //-display the result of the array echo "<ul>\n"; echo "<li>" . "<a href=\"test2.php?id=$ID\">" .$Company . "</a></li>\n"; echo "</ul>"; } } else{ echo "<p>Please enter a search query</p>"; } } } if(isset($_GET['by'])){ $letter=$_GET['by']; $sql="SELECT *,COMPANY,COMPANY+0 FROM main WHERE Active='Y' AND COMPANY LIKE '" . $letter . "%' ORDER BY COMPANY"; $result5=mysql_query($sql); $result6=mysql_query($sql); $rows=mysql_num_rows($result6); echo "<p>" .$numrows . " results found for " . $letter . "</p>"; while($rows=mysql_fetch_array($result6)){ $Company =$rows['COMPANY']; $Town=$rows['TOWN']; $County=$rows['COUNTY']; $Post=$rows['POSTCODE']; $ID=$rows['id']; //-display the result of the array echo "<ul>\n"; echo "<li>" . "<a href=\"test2.php?id=$ID\">" .$Company . "</a> <br/>" .$Town . ", " .$County. ", " .$Post."</li>\n"; echo "</ul>"; } } if(isset($_GET['id'])){ $contactid=$_GET['id']; $sql="SELECT * FROM main WHERE Active='Y' AND id=" . $contactid; $result7=mysql_query($sql); while($row=mysql_fetch_array($result7)){ $Company =$row['COMPANY']; $Town=$row['TOWN']; $County=$row['COUNTY']; $Email=$row['Email']; $Web=$row['Web']; //-display the result of the array echo 'Company Name: '. $row['COMPANY'] . '<br />'; echo 'Town: '. $row['TOWN'] . '<br/>'; echo 'Postcode: '. $row['POSTCODE'] . '<br/>'; echo 'Telephone: '. $row['TELEPHONE'] . '<br/>'; echo 'Email: '. $row['Email'] . '<br/>'; echo 'Web: ' . "<a href=".$Web.">" .$Web . "</a> <br/>\n"; echo ' '. '<br/>'; echo 'Service: '. $row['ServiceStandards'] . '</br>'; } } ?> </div>

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  • How to change FPU context in signal handler (C++/Linux)

    - by Henry Fané
    I wrote a signal handler to catch FPE errors. I need to continue execution even if this happens. I receive a ucontext_t as parameter, I can change the bad operand from 0 to another value but the FPU context is still bad and I run into an infinite loop ? Does someone already manupulate the ucontext_t structure on Linux ? I finally found a way to handle these situations by clearing the status flag of ucontext_t like this: ... const long int cFPUStatusFlag = 0x3F; aContext->uc_mcontext.fpregs->sw &= ~cFPUStatusFlag; ... 0x3F is negated to put 0 in the 6 bits of the status register of the FPU (x87). Doing this implies to check for FPE exceptions after calculation.

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  • prevent using functions before initialization, constructors-like in C

    - by Hernán Eche
    This is the way I get to prevent funA,funB,funC, etc.. for being used before init #define INIT_KEY 0xC0DE //any number except 0, is ok static int initialized=0; int Init() { //many init task initialized=INIT_KEY; } int funA() { if (initialized!=INIT_KEY) return 1 //.. } int funB() { if (initialized!=INIT_KEY) return 1 //.. } int funC() { if (initialized!=INIT_KEY) return 1 //.. } The problem with this approach is that if some of those function is called within a loop so "if (initialized!=INIT_KEY)" is called again, and again, although it's not necessary. It's a good example of why constructors are useful haha, If it were an object I would be sure that when was created initialization was called, but in C, I don't know how to do it. Any other ideas are welcome!

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  • Forked Function not assigning pointer

    - by Luke Mcneice
    In the code below I have a function int GetTempString(char Query[]); calling it in main works fine. However, when calling the function from a fork the fork hangs (stops running, no errors, no output) before this line: pch = strtok (Query," ,"); the printf shows that the pointer to pch is null. Again this only happens when the fork is executing it. What am I doing doing wrong? int main() { if((Timer =fork())==-1) printf("Timer Fork Failed"); else if(Timer==0) { while(1) { sleep(2); GetTempString("ch 1,2,3,4"); } } else { //CODE GetTempString("ch 1,2,3,4"); } } int GetTempString(char Query[]) { char * pch; printf("DEBUG: '%s'-'%d'\n",Query,pch); pch = strtok (Query," ,");//* PROBLEM HERE* //while loop for strtok... return 1; }

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  • Python breaks for a certain amount

    - by Brian Cox
    All, I am not very good at explaining so i will let my comments do it! #this script is to calculate some of the times table up to 24X24 and also miss some out #Range of numbers to be calculated numbers=range(1,25) for i in numbers: for w in numbers: print(str(i)+"X"+str(w)+"="+str(i*w)) #here i want to break randomly (skip some out) e.g. i could be doing the 12X1,12X2 and then 12X5 i have no limit of skips. Update Sorry if this is not clear i want it to break from the inner loop for a random amount of times

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  • How to read an image from disk and block until its read?

    - by Shizam
    I'm loading 5 images from disk but I want the 1st image I read to show as soon as possible. Right now I do UIImage *img = [UIImage imageWithContentsOfFile:path]; in a for loop but since imageWithContentsOfFile:path isn't blocking all 5 images wind up getting read from disk before the first one will appear (because they're all using up I/O). I confirmed this by just load one and it appeared on screen faster than if I load all 5. I'd like to load the 1st image and block until its fully read and shown before loading the next 4 or load the 1st one and be notified when its done before loading the next 4 but I can't figure out a way to do it. None of the 'WithContentsOfFile' methods for data or image block and they don't notify or have delegate methods. Any suggestions? Thanks

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  • how to get files as they are added to a remote server

    - by Jordan
    I am using a bash script (below) on a remote server (so far using ssh to connect) to execute a python script that downloads a lot of pdf files one at a time (getting the download locations from a text file with the URL's) in a loop. I would like to move the files from the remote server to my local computer as they are downloaded, and then delete the file from the remote server. Is there a way that I can expand my bash script to do this? Or are there alternatives for completing this task? while read line; do python python_script.py -l $line; done < pdfURLs.txt

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  • Mod Rewrite - Simple Question

    - by bob
    This is my current .htaccess Options +FollowSymLinks DirectoryIndex index.php RewriteEngine On RewriteBase /product/ RewriteCond %{ENV:REDIRECT_STATUS} ^$ RewriteRule ^(.+)\.php$ ./$1/ [R=301,L] RewriteCond %{SCRIPT_FILENAME} !-f RewriteRule [^/]$ %{REQUEST_URI}/ [R=301,L] RewriteRule ^contact/?$ ./contact.php [QSA,L] Everything is working fine now.. /product/contact return to /product/contact/ /product/contact.php return to /product/contact/ Question.. How to make all my .php will be /contact/ /help/ /faq/ Now I should to add contact.php help.php faq.php to the htaccess I tried to add RewriteRule ^(.*)/$ $1.php [QSA,L] but it will be return loop. Let me know how to fix it ;)

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  • call inline function and pass in current item as the argument - Flex 3

    - by wcpro
    Im trying to create a loop of items like this... for each (var btn:Object in ViewButtonData) { // build element var box:HBox = new HBox(); box.styleName = "lefttab"; box.width = "100%"; box.addEventListener("rollOver", HoverTab(btn.id, 1)); box.addEventListener("rollOut", HoverTab(btn.id, 0)); // add element to list } I would like to pass in current HBox to the 'HoverTab' function. Is there a way to do that?

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  • How does Ruby's Enumerator object iterate externally over an internal iterator?

    - by Salman Paracha
    As per Ruby's documentation, the Enumerator object uses the each method (to enumerate) if no target method is provided to the to_enum or enum_for methods. Now, let's take the following monkey patch and its enumerator, as an example o = Object.new def o.each yield 1 yield 2 yield 3 end e = o.to_enum loop do puts e.next end Given that the Enumerator object uses the each method to answer when next is called, how do calls to the each method look like, every time next is called? Does the Enumeartor class pre-load all the contents of o.each and creates a local copy for enumeration? Or is there some sort of Ruby magic that hangs the operations at each yield statement until next is called on the enumeartor? If an internal copy is made, is it a deep copy? What about I/O objects that could be used for external enumeration? I'm using Ruby 1.9.2.

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  • Java Prepared Statement Error

    - by Suresh S
    Hi Guys the following code throws me an error i have an insert statement created once and in the while loop i am dynamically setting parameter , and at the end i says ps2.addBatch() again while ( (eachLine = in.readLine()) != null)) { for (int k=stat; k <=45;k++) { ps2.setString (k,main[(k-2)]); } stat=45; for (int l=1;l<= 2; l++) { ps2.setString((stat+l),pdp[(l-1)]);// Exception } ps2.addBatch(); } This is the error java.lang.ArrayIndexOutOfBoundsException: 45 at oracle.jdbc.dbaccess.DBDataSetImpl._getDBItem(DBDataSetImpl.java:378) at oracle.jdbc.dbaccess.DBDataSetImpl._createOrGetDBItem(DBDataSetImpl.java:781) at oracle.jdbc.dbaccess.DBDataSetImpl.setBytesBindItem(DBDataSetImpl.java:2450) at oracle.jdbc.driver.OraclePreparedStatement.setItem(OraclePreparedStatement.java:1155) at oracle.jdbc.driver.OraclePreparedStatement.setString(OraclePreparedStatement.java:1572) at Processor.main(Processor.java:233)

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  • Set height of Flex Accordion to height of tallest child

    - by Mike Deck
    By default the height of an Flex Accordion container is the height of the initially selected child. I'd like to be able to set the height to the tallest child so that no resizing or scrolling is necessary when other children are selected. I do not want to use the resizeToContent property. I want the size of the container to stay constant no matter what child is selected. My current thought is to extend the accordion class setting the creation policy to "all" and then override the measure function to loop through all the children and find the tallest one and use that for the height. This seems a little kludgy though, so I'd like to know if there is a better approach. Ultimately my question is: is there a way to set the size of an accordion container such that the container never resizes and scoll bars are never necessary to display any of the children?

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  • PHP Change Array Over and Over

    - by Steven
    Hello, I have any array $num_list = array(42=>'0',44=>'0',46=>'0',48=>'0',50=>'0',52=>'0',54=>'0',56=>'0',58=>'0',60=>'0'); and I want to change specific values as I go through a loop while(list($pq, $oin) = mysql_fetch_row($result2)) { $num_list[$oin] = $pq; } So I want to change like 58 to 403 rather then 0. However I always end up getting just the last change and non of the earlier ones. So it always ends up being something like 0,0,0,0,0,0,0,0,0,403 rather then 14,19,0,24,603,249,0,0,0,403 How can I do this so it doesn't overwrite it? Thanks

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  • Using True and False to select items to print

    - by user1753915
    I have a workbook that contains rows of information that needs to printed to a seperate worksheet in excel. I am trying to utilize a checkbox to indicate which items need to print and which items need to be skipped. The checkbox is located in column "A" and once checked and the macro ran, I want it to pick up the data in each cell of that particular row, transfer it a seperate worksheet (form), prompt and save the worksheet to pdf, clear the form, and then return to the main worksheet to continue until all rows have been checked. However, right now, my code is only looping through the very first "TRUE" statement and not continuing to the rest. Here is the code: Private Sub CommandButton1_Click() On Error GoTo ErrHandler: Dim i As Integer For i = 1 To 10 If ActiveSheet.OLEObjects("CheckBox" & i).Object.Value = False Then Else If ActiveSheet.OLEObjects("CheckBox" & i).Object.Value = True Then Call PrintWO Else End If Do Until ActiveSheet.OLEObjects("CheckBox" & i).Object.Value = 10 MsgBox "Nothing Selected to Print" Exit Do Exit Sub Loop End If Next i ErrHandler: End Sub

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  • How do I generate a random time interval and add it to a mysql datetime using php?

    - by KeenLearner
    I have many rows in mysql table with datetime's in the format of: 2008-12-08 04:16:51 etc I'd like to generate a random time interval of anywhere between 30 seconds, and 3 days and add them to the time above. a) how do I generate a random time between 30 and 3 days? b) how do I add this time to the date time format above? I imagine i need to do a loop to pull out all the info, do the math in php, and then update the row... Any ideas?

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  • RewriteRule and php download counter

    - by rcourtna
    (1) I have a site that serves up MP3 files: http://domain/files/1234567890.mp3 (2) I have a php script that tracks file download counts: http://domain/modules/download_counter.php?file=/files/1234567890.mp3 After download_counter.php records the download, it redirects to the original file: Header("Location: $FQDN_url"); (3) I'd like all my public links to be presented as the direct file urls from (1). I'm trying to use Apache to redirect the requests to download_counter.php: RewriteRule ^files/(.+\.mp3)$ /modules/download_counter.php?file=/files/$1 [L] I'm currently stuck on (3), as it results in a redirect loop, since download_counter.php simply redirects the request back to the original file (rather than streaming the file contents). I'm also motivated to use download_counter.php as is (without modifying it's redirect behaviour). This is because the script is part of a larger CMS module, and I'd like to avoid complicating my upgrade path. Perhaps there is no solution to my problem (other than modifying the download_counter script). WDYT?

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  • GSL interpolation error, values must be x values must be monotonically increasing

    - by pyCthon
    Hi my problem is that my data set is monotonically increasing but towards the end the of the data it looks like it does below ,where some of the x[i-1] = x[i] as shown below. This causes an error to be raised in GSL because it thinks that the values are not monotonically increasing. Is there a solution, fix or work around for this problem? the values are already double precision ,this particular data set starts at 9.86553e-06 and ends at .999999 would the only solution be to offset every value in a for loop? 0.999981 0.999981 0.999981 0.999982 0.999982 0.999983 0.999983 0.999983 0.999984 0.999984 0.999985 0.999985 0.999985

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