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  • Overriding or overloading?

    - by atch
    Guys I know this question is silly but just to make sure: Having in my class method: boolean equal(Document d) { //do something } I'm overloading this method nor overriding right? I know that this or similiar question will be on upcoming egzam and would be stupid to not get points for such a simple mistake;

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  • Are GUID primary keys bad in theory, or just practice?

    - by Yarin
    Whenever I design a database I automatically start with an auto-generating GUID primary key for each of my tables (excepting look-up tables) I know I'll never lose sleep over duplicate keys, merging tables, etc. To me it just makes sense philosophically that any given record should be unique across all domains, and that that uniqueness should be represented in a consistent way from table to table. I realize it will never be the most performant option, but putting performance aside, I'd like to know if there are philosophical arguments against this practice?

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  • How to validate a Singaporean FIN?

    - by abigblackman
    Can anyone provide an algorithm to validate a Singaporean FIN? I know with a Singaporean NRIC I can validate it via modulo 11 and then compare the result to a lookup table but cannot find a similar lookup table for the FIN. I also do not know for sure if the modulo 11 is the correct method to validate. I am aware the government sells a algorithm for $400 but maybe someone knows a cheaper way. Bonus points for c# implementation.

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  • uses for dynamic scope?

    - by Stephen
    Hi, I've been getting my hands wet with emacs lisp, and one thing that trips me up sometimes is the dynamic scope. Is there much of a future for it? Most languages I know use static scoping (or have moved to static scoping, like Python), and probably because I know it better I tend to prefer it. Are there specific applications/instances or examples where dynamic scope is more useful?

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  • Security concerns for a multi-language site.

    - by The Rook
    I am converting a PHP MySQL web application written for English language into a Multi-Language site. Do you know any vulnerabilities that affect web applications in another language? Or perhaps vulnerabilities that could be introduced in the conversion of code base to support multiple languages. (If you know any vulnerabilities of this type in another language I'll give you a +1)

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  • Why hasn't MSSQL made a WHERE clause mandatory by default?

    - by Josh Einstein
    It seems like a no brainer to me. I've heard countless stories about people forgetting the WHERE clause in an UPDATE or DELETE and trashing an entire table. I know that careless people shouldn't be issuing queries directly and all that... and that there are legitimate cases where you want to affect all rows, but wouldn't it make sense to have an option on by default that requires such queries to be written like: UPDATE MyTable SET MyColumn = 0 WHERE * Or without changing the language, UPDATE MyTable SET MyColumn = 0 WHERE 1 = 1 -- tacky, I know

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  • Theory: Can JIT Compiler be used to parse the whole program first, then execute later?

    - by unknownthreat
    Normally, JIT Compiler works by reads the byte code, translate it into machine code, and execute it. This is what I understand, but in theory, is it possible to make the JIT Compiler parses the whole program first, then execute the program later as machine code? I do not know how JIT Compiler works technically and exactly, so I don't know any feasibility in this case. But theoretically, is it possible? Or am I doing it wrong?

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  • (Rails) Assert_Select's Annoying Warnings

    - by CalebHC
    Does anyone know how to make assert_select not output all those nasty html warnings during a rake test? You know, like this stuff: .ignoring attempt to close body with div opened at byte 1036, line 5 closed at byte 5342, line 42 attributes at open: {"class"=>"inner02"} text around open: "</script>\r\t</head>\r\t<body class=\"inner02" text around close: "\t</div>\r\t\t\t</div>\r\t\t</div>\r\t</body>\r</ht" Thanks

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  • What can you do with AppleScript?

    - by mtwisterr
    Everything I know about AppleScript I taught myself and was wondering if I missed any cool features. I know you can make the computer talk to and control applications but is there anything else it can do or is it time to move on to a new language?

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  • Simple question in ClientLogin using python gdata library

    Hi friends, I have incorporated ClientLogin into my python application to retrieve contact list of the user , I like to know how to get the name of the user who has logged in.My code to get the names from the contact list of the user is as given below gd_client = gdata.contacts.service.ContactsService() gd_client.email = yemail gd_client.password = ypass gd_client.source = 'GoogleInc-ContactsPythonSample-1' gd_client.ProgrammaticLogin() query = gdata.contacts.service.ContactsQuery() query.max_results=150 feed = gd_client.GetContactsFeed(query.ToUri()) for i, entry in enumerate(feed.entry): #print '\n%s %s' % (ctr+i+1, entry.title.text) na=entry.title.text names.append(na) Please help me to know how to get the name of the user who has logged in Thanks ganesh

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  • Error while sending email to Multiple Addresses From MYSQL Database using PHP

    - by user1751581
    I am trying to send an email to multiple email addresses which are contained in a database and sorted into a recordset... The recordset has multiple columns, but I only need one: "Email". I know that if I have them in an array I can implode them and separate them by commas, but I'm not sure how I could do that with a recordset column. Anyone know how? BTW I know I have the mail function commented out... The echo is returning null... Heres the code that I tried: $colname_rsAllLeads = "-1"; if (isset($_SESSION['MM_Username'])) { $colname_rsAllLeads = $_SESSION['MM_Username']; } mysql_select_db($database_myBackOfficeConn, $myBackOfficeConn); $query_rsAllLeads = sprintf("SELECT Email FROM Leads WHERE `User` = %s ORDER BY FullName ASC", GetSQLValueString($colname_rsAllLeads, "text")); $rsAllLeads = mysql_query($query_rsAllLeads, $myBackOfficeConn) or die(mysql_error()); $row_rsAllLeads = mysql_fetch_assoc($rsAllLeads); $totalRows_rsAllLeads = mysql_num_rows($rsAllLeads); $editFormAction = $_SERVER['PHP_SELF']; if (isset($_SERVER['QUERY_STRING'])) { $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']); } if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form")) { $startcode = $_POST['messagefield']; $replaced = preg_replace( '/\\\\(?="|\')/', '', $startcode ); echo $replaced; $collectedleads = implode(',', $row_rsAllLeads['Email']); echo $collectedleads; /* $to = $collectedleads; $subject = $_POST['subjectfield']; $body = $replaced; $headers = "MIME-Version: 1.0\r\n"; $headers .= "Content-type: text/html; charset=iso-8859-1\r\n"; $headers .= "From: " . $row_rs_CurrentUser['FirstName'] . " " . $row_rs_CurrentUser['LastName'] . " <" . $row_rs_CurrentUser['Email'] . ">"; if (mail($to, $subject, $body, $headers)) { } else { echo("<p>Message delivery failed...</p>"); } */ $insertSQL = sprintf("INSERT INTO PendingEmails (`to`, subject, message) VALUES (%s, %s, %s)", GetSQLValueString($row_rsAllLeads['Email'], "text"), GetSQLValueString($_POST['subjectfield'], "text"), GetSQLValueString($_POST['messagefield'], "text")); mysql_select_db($database_myBackOfficeConn, $myBackOfficeConn); $Result1 = mysql_query($insertSQL, $myBackOfficeConn) or die(mysql_error()); $insertGoTo = "Email Sent.php"; if (isset($_SERVER['QUERY_STRING'])) { $insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?"; $insertGoTo .= $_SERVER['QUERY_STRING']; } header(sprintf("Location: %s", $insertGoTo)); } When I use var_dump($row_rsAllLeads['Email']) it outputs string(16) "[email protected]" but I know that there is no error in my SQL query because when I put them in a select box, they all show up...

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  • swing gui improving

    - by radi
    hi all , i am looking for some methods to improve swing gui for example i want to know about new components libraries , new methods to enhance swing performance , new methods to add special effect to swing gui and new plaf for swing . please i want to know how to use this topics and where to find some tutorials about it . thanks.

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  • Tcl question - how to list functions in a namespace

    - by Bub Bradlee
    I am trying to list all of the functions a namespace has in it (warning - I'm really new to Tcl, so I'll probably use the wrong words for parts of Tcl). For example, I have a tcl shell someone compiled for me (if that's the right way to phrase it), and I know at least one function exists, let's call it blah::do_something I know in ruby there are ways to list all the functions in a module/namespace. How would I find out what other functions are available in the blah namespace in Tcl? Thanks in advance

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  • Exception in thread "main" java.lang.OutOfMemoryError, How to find and fix??

    - by or.nomore
    hey, I'm trying to programming a crossword creator. using a given dictionary txt file and a given pattern txt file. The basic idea is using DFS algorithm. the problem begin when the dictionary file is v-e-r-y big (about 50000 words). then i recive the : Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded i know that there is a part in my program that waists memory, but i don't know where it is, how to find it and how to fix it

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  • Support Open Source Projects via T-Shirts

    - by The MYYN
    Can we get a list of free and open source projects, which can be supported through purchasing branded garment? Free Software Foundation http://shop.fsf.org/ OpenBSD https://https.openbsd.org/cgi-bin/order Mozilla http://store.mozilla.org/ ps. I know this is extremly off-topic. But I'd like to buy clothing and support open source at the same time. And I'd like to know, where this is possible.

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  • Manually closing a port from commandline

    - by codingfreak
    Hi I want to close an open port which is in listening mode between my client and server application. Is there any manual command line option in Linux to close a port ?? NOTE: I came to know that "only the application which owns the connected socket should close it, which will happen when the application terminates." I dont understand why it is only possible by the application which opens it ... But still eager to know if there is any another way to do it ??

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  • php curly braces into array

    - by David
    Hi, I would like to check a opened .txt file for braces that open and close like below: file { nextopen { //content } } no this is not my own language or anything, but I want to get say the nextopen function and all the contents inside the brackets, and all the stuff from inside the file function and add it to an array if you know what i mean. so all the content inside the braces will be in an array. if you know how to do this please reply.

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  • Change Visual studio 2010 color palette

    - by Vokinneberg
    I really like Visual studio. I think it is awesome IDE ever been made for developers. But color scheme in new VS2010 is really ugly, so the first thing i'd like to do after install is to change its color palette. I googled how to do this and found VS extension by Matthew Johnson [MSFT]. If you know another way to change color palette in VS2010, please let me know.

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  • How do I find latex source-code?

    - by Usagi
    Good morning (PST). Does anyone know where I could find the code that LaTeX uses to typeset inside the tabular environment? In the past I have looked in style files but I don't know where to find intrinsic LaTeX commands. -Thank you so much.

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  • how to use timeuuid names in cassandra

    - by Marcin
    Hi guys, I have a problem, I would like to build logging system which will be using timeuuid type as a column name which will allow me ask for it later. Since for range queries order by time I need to use timeuuid type I would like to ask you how can I specify range queries for timeuuid column names if timeuuid is every time unique and I don't realy know the column name because of that I just know the time when it has been stored ? please help

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  • White dialog theme

    - by Al
    I've noticed some apps have a dialog with white background, including along the title border, as opposed to the default black. I know how to make the background white but the whiteness doesn't extend to the dialog's title border. This image: http://localhostr.com/files/25bb19/tether.png is an example of how I want the dialog to look. Anyone know I can do this? I mainly use AlertDialog.Builder to make my dialogs so ideally something I can easily to that.

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