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• Problem with libxml2 and Unicode char in XML Soap with Qotes (") and &amp;quot;

  - by x2on

  I'm using libxml2 for SOAP-Actions in an iPhone App. The big problem is that i want send an SQL-Statement with NSString *query = @"SELECT test FROM database WHERE test = \"string\"" But libxml2 converts the qotes " into &amp;quot; Any ideas how to prevent this?

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• Design pattern suggestion

  - by Avinash

  Following is the problem statement. There are n numbers of match strings, If event A occurs and then in certain period of time event B occurs then I do not raise alarm. but if B do not occurs then i have to raise alarm. There can be multiple chain of events which defines whether to raise alarm or not.

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• how to return some default value in oracle cursor when nothing is found

  - by john

  I have following statement in one of the oracle SP: OPEN CUR_NUM FOR SELECT RTRIM(LTRIM(num)) as num FROM USER WHERE USER_ID = v_user_id; When the above does not return anything the SP result just has no column name in it. But I'd like the cursor to still have num column with some default value like NOTHING when no data is found. Is this doable ?

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• iPhone time comparison

  - by Rob

  I am trying to figure out how to create an 'if' statement that uses a time value as a condition. For example: if (time <= 10:00) { score = 3; } else if (time <= 20:00) { score = 5; } else { score = 9; } I know that a string of "5:23" cannot be compared this way but I don't think I can just turn a string value like that directly into an integer. Any thoughts?

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• Escapeing values in PDO statements

  - by Pardoner

  Doesn't prepare() escape any quotes(') in a PDO statement? For some reason when I do this: $sql = "INSERT INTO sessions (id, name) VALUES (1,'O'brian')"; $query = $this->connection->prepare($sql); $query->execute(); I get this error: Could not insert record SQLSTATE[42000]: [Microsoft][SQL Server Native Client 10.0][SQL Server]Incorrect syntax near 'brian'. How could this be if I'm using prepare()?

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• In Asp.net (c#) i'm not able to catch any exception properly????

  - by Anand

  In Asp.net (c#),i'm not able to catch exception(FileNotFoundException) properly... i don't know the reason..Actually File s not there..But catch statement fails to catch the exception.. here is the code.. try { System.Drawing.Image imgg1 = System.Drawing.Image.FromFile(Server.MapPath("").ToString() + "\\images\\img1.jpg"); } catch (FileNotFoundException) { Response.Write("<script>alert('Please Select and upload Student's Photo');</script>"); }

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• What are some examples of where using parentheses in a program lowers readability?

  - by Brandon

  I always thought that parentheses improved readability, but in my textbook there is a statement that the use of parentheses dramatically reduces the readability of a program. Does anyone have any examples?

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• How to use A ? x:y syntax with heredoc in PHP?

  - by wamp

  I tried this but only got a syntax error: <?php $a = true; $str = <<< EOF {$a ? 1 : 2} EOF; echo $str; Is it possible to use such kind of conditional statement inside heredoc?

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• Preprocessor #if directive

  - by Caslav

  I am writing a big code and I don't want it all to be in my main.c so I wrote a .inc file that has IF-ELSE statement with function and I was wondering can it be written like this: #if var==1 process(int a) { printf("Result is: %d",2*a); } #else process(int a) { printf("Result is: %d",10*a); } #endif I tried to compile it but it gives me errors or in best case it just goes on the first function process without checking the var variable (it is set to 0).

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• What is the difference between JOIN, Inner Join, Left Join and Outer Join.

  - by theband

  What is the difference between JOIN, Inner Join, Left Join and Outer Join. Let me put you on what i know. JOIN Statement is used to join two tables and fetch the result.

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• compacting line of code

  - by dlee313

  Assume I have the following: unsigned int *start; unsigned int total; #define OFF_MASK (1 << 31) #define ON_MASK (~(1 << 31)) if (!(*start & OFF_MASK) && ((*start & ON_MASK) >= total))) How do I change the above if statement so that it makes just one comparison like this: if (*start >= total)

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• Efficient SQL to count an occurrence in the latest X rows

  - by pulegium

  For example I have: create table a (i int); Assume there are 10k rows. I want to count 0's in the last 20 rows. Something like: select count(*) from (select i from a limit 20) where i = 0; Is that possible to make it more efficient? Like a single SQL statement or something? PS. DB is SQLite3 if that matters at all...

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• Parse error: expecting `T_STRING' or `T_VARIABLE' or `T_NUM_STRING' in ..?

  - by myaccount

  I tried to put an if statement inside an echo but this parse error came up, is it not possible to do that? should I use heredoc instead? echo "<input name='main_branch' type='radio' value='1' <?php if($restaurant['main_branch'] == 1) { echo "checked"; } ?> />Yes <input name='main_branch' type='radio' value='0' <?php if($restaurant['main_branch'] == 0) { echo " checked"; } ?> />No";

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• Oracle: how to UPSERT (update or insert into a table?)

  - by Mark Harrison

  The UPSERT operation either updates or inserts a row in a table, depending if the table already has a row that matches the data: if table t has a row exists that has key X: update t set mystuff... where mykey=X else insert into t mystuff... Since Oracle doesn't have a specific UPSERT statement, what's the best way to do this?

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• Does main() need to be in every script containing handlers?

  - by Will Merydith

  Experienced Java programmer trying to learn Python. I have an applicaiton on Google App Engine and want to move my admin Handlers to a separate file. So now I have main.py and admin.py. I've set up app.yaml to route traffic properly, and have added the call to WSGIApplication() in each file to route to the appropriate Handler. My question is does each script file need def main() and the corresponding if statement: application = webapp.WSGIApplication([(r'/admin/(.*)', Admin)], debug=True) def main(): run_wsgi_app(application) if __name__ == '__main__': main()

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• replace function in dml statements in oracle 8i

  - by maheshasoni

  Can we use Replace function in a update statement ? If yes then How? I have a column 'enrollno' having values like '800-00001' to '800-01800'. I want to replace inital '800-' to '800' in all 1800 records. (Output should be '8000001' to '80001800') Is it possible through replace function or any other option is there in ORACLE8i ? MaheshA...

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• Help translating from assembly to C

  - by user324994

  I have some code from a function subl $24, %esp movl 8(%ebp), %eax cmpl 12(%ebp), %eax Before the code is just the 'ENTER' command and afterwards there's an if statement to return 1 if ebp eax or 0 if it's less. I'm assuming cmpl means compare, but I can't tell what the concrete values are. Can anyone tell me what's happening?

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• Creating temporary tables in MySQL Stored Procedure

  - by burntblark

  The following procedure gives me an error when I invoke it using the CALL statement: CREATE DEFINER=`user`@`localhost` PROCEDURE `emp_performance`(id VARCHAR(10)) BEGIN DROP TABLE IF EXISTS performance; CREATE TABLE performance AS SELECT time_in, time_out, day FROM attendance WHERE employee_id = id; END The error says "Unknown table 'performance' ". This is my first time actually using stored procedures and I got my sources from Google. I just cant figure out what I am doing wrong.

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• SSIS to copy data from one table to another, where not in destination table

  - by alex

  I'm in the process of creating an SSIS package on a server (server1) that looks at the data in a sql db on another site (server2) and copies relevant rows across. The SQL statement required is: SELECT * FROM server2.ordersTable WHERE OrderID Not In (SELECT OrderID FROM server1.ordersTable This selects data from server1 which isn't in the table on server2 (based on order id) I then need to insert the result into a table on server1 How would I approach this? What components do I need etc...?

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• How to identify the culprit in "Error converting data type varchar to numeric"?

  - by Stan

  An insert statement with a large number of values returns 'Error converting data type varchar to numeric.' How can I find which value actually triggers the error? MS SQL Server 2008 is used.

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• Magento Reindexing doesn't work

  - by Dgent

  I recently created around 700 attributes through script, all attributes look fine at backend. But when I reindex, I get following error: exception 'PDOException' with message 'SQLSTATE[42S22]: Column not found: 1054 Unknown column 'e.additional_information_s' in 'field list'' in /lib/Zend/Db/Statement/Pdo.php:228 Note: this attribtue exist in Database (eav_attribtue) table. I would highly appreciate suggestion. Looking forward to heat from you geeks. Thanks

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• mysql restore file.sql syntax error using command line

  - by Jason

  when I input mysql -u root -p XXXX dbname < c:/filename.sql alway get this error "error 1064 <42000:" you have an error in your SQL suntax; check the manual that corresponds to your MySql server version for the right syntax to use near ..... what is wrong with this statement?

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• Execute multiple queries

  - by smartali89

  I am using OleDB for executing my queries in C#, Is there any way I can execute multiple queries in one command statement? I tried to separate them with semi-colon (;) but it gives error "Characters found at the end" I have to execute a few hundreds of queries at once.

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• PHP Echo with single quote or double quotes?

  - by nepc

  The is a very simple echo statement but I can't solve it? echo '"What is your name?'";

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• Creating an instance within the Class itself

  - by didxga

  What's going on when the assignment statement executed at Line 4, does compiler ignore the new operator and keep the foo variable being null or something else happen to handle this awkward moment? public class Foo { // creating an instance before its constructor has been invoked, suppose the "initializing" // gets printed in constructor as a result of the next line, of course it will not print it private Foo foo = new Foo();//Line 4 public Foo() { System.out.println("initializing"); } }

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