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  • UNIX Programs (Shell Scripting) [closed]

    - by atif089
    Hi, I have an exam tomorrow and I need some help with these programs. Or if you can tell me where I can get these. Write a program which uses grep to search a file for a pattern and display search patterns on standard output Write an awk program to print only odd numbered lines of a file. Write a program to open the command ls and give the output to the command through which we count the number of files Thank You :)

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  • SQL Alter Table to Add a Column, does it do anything "scary"?

    - by Pselus
    I need to add a column to an existing table in my live sql database. I know how to use the ALTER command, but what I want to know is the effect this has on the table. For example,, if using SQL Management Studio, it claims that adding a column will "drop and recreate" the table. Will the ALTER table command do that as well? This table is CONSTANTLY accessed and VERY important so I want to make VERY sure of this before going forward.

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  • applescript for sqlite

    - by user1212108
    I have a Windows app called via Shell from MS Word that reads and writes to Sqlite. I'm porting it to Mac. On windows I have a batch file: SQLite3.exe pathtodb\databasename <sqlitecommands.txt This batch calls the Sqlite command line program, attachs the database, and reads the command from sqlitecommands.txt. The sqlitecommands is dynamically modified(by Word VBA) to read (Select) Write (Update) to/from the database. What is the format of an applescript to do the same thing in Mac OSX?

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  • how to ensure comparison is case sensitive?

    - by newguy
    Hi there, im trying to do a comparison in MYSQL but wish for it to be case sensitive ex: $userID="test" $q = db_query("select * from users where user_id = '" . $userID . "'"); In DB: userid = "TEST" Ho do i go about making sure the mysql query does not return TRUE for this query as the userid varialbe doesnt match the case of the userid in the database thanks

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  • Msg 102, Level 15, State 1, Line 1 Incorrect syntax near ' '.

    - by sajad
    i am trying to query from a temp table,and i keep getting the message Msg 102, Level 15, State 1, Line 1 Incorrect syntax near ' '. can somebody tell me wats the problem..is it due to convert.. plz help The query is select compid,2, convert(datetime, '01/01/' + CONVERT(char(4),cal_yr) ,101) ,0,  Update_dt, th1, th2, th3_pc , Update_id, Update_dt,1 from #tmp_CTF

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  • Restoring and passing data to an already running instance of a .NET application

    - by mtranda
    The goal is to have an application that runs in the system tray and can either accept user input from its actual GUI (which isn't the actual issue) OR accept command line parameters (that would actually be done via a context menu in windows explorer). Now, while I'm aware that the command line parameters are not exactly possible once the application has started, I need a way to pass data to the already running application instance via some form of handler. I'm thinking maybe define and raise some sort of event? Thanks in advance.

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  • NHibernate and MySql Keywords

    - by jalchr
    Why Nibernate HQL can not handle the following query: from Deal D where (D.ApprovalDate + INTERVAL 1 Year) < current_timestamp() < (D.RenewalDate + INTERVAL -1 Year) knowing that INTERVAL and YEAR are keywords in MySQL, so this is kind of mixing Sql within Hql (unless Hql can handle date functions like so and I don't know) . The dialect is MySQLDialect Its perfectly valid to execute this query SELECT '2005-01-01' + INTERVAL 1 Year;

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  • Dynamically assembling SQL queries in Java

    - by kd
    What is the best way to assemble an SQL query with join conditions dynamically? I don't want to hard code the query for each different condition on a webpage or a set of webpages. Is it even feasible? I got as far as being able to assemble simple queries but i got stumped when i needed to insert join conditions, i.e. how to figure out dependencies for joins etc.

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  • How to use CPAN as a non-root user?

    - by juannavarroperez
    I want to install perl modules on a shared server on which I do not have root access. How can I do this? They also seem to have an older version of CPAN (it complains about that when running the command), is it possible to update the CPAN command being used from my account without requiring root access?

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  • Alternatives of Datatable

    - by mavera
    In my web application, I have a dynamic query that returns huge data to datatable, and this query is often recalled with different parameters. So database is exhausted. I want to get all record with no parameters to an object, and perform queries (may be with linq) on this object. So database will not be exthausted. Which objects can be used instead of datatable?

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  • How to find what service running on background on Android?

    - by XC
    How to find what service running on background on Android? like input method service, .... Using adb or terminal on android device ? Could I use "top" or "ps" command? Maybe I have to ask in another way? Does the service be presented as one "process", then we can use "ps" or "top" command to find it?

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  • ReSharper show warning with SqlDataReader

    - by Belousov Pavel
    When I write something like this: using (var connection = new SqlConnection("ConnectionString")) { using(var cmd= new SqlCommand("Command")) { using (var reader = cmd.ExecuteReader()) { while (reader.Read()) { } } } } ReSharper shows warning on reader.Read(), and tells that reader can be null. But in what cases can it be null? As I know if command returns nothing reader is not null, it only have nothing.

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  • Getting duplicate count when executing INSERT IGNORE via JDBC

    - by Nickolay Komar
    Is it possible to get the duplicate count when executing MySQL "INSERT IGNORE" statement via JDBC? For example, when I execute an INSERT IGNORE statement on the mysql command line, and there are duplicates I get something like Query OK, 0 rows affected (0.02 sec) Records: 1 Duplicates: 1 Warnings: 0 Note where it says "Duplicates: 1", indicating that there were duplicates that were ignored. Is it possible to get the same information when executing the query via JDBC? Thanks.

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  • Python multithreading, How is it using multiple Cores?

    - by Sabirul Mostofa
    I am running a multithreaded application(Python2.7.3) in a Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz. I thought it would be using only one core but using the "top" command I see that the python processes are constantly changing the core no. Enabling "SHOW THREADS" in the top command shows diffrent thread processes working on different cores. Can anyone please explain this? It is bothering me as I know from theory that multithreading is executed on a single core.

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  • Problem using generics in function

    - by JAVA
    Hi all, I have this functions and need to make it one function. The only difference is type of input variable sourceColumnValue. This variable can be String or Integer but the return value of function must be always Integer. I know I need to use Generics but can't do it. public Integer selectReturnInt(String tableName, String sourceColumnName, String sourceColumnValue, String targetColumnName) { Integer returned = null; String query = "SELECT "+targetColumnName+" FROM "+tableName+" WHERE "+sourceColumnName+"='"+sourceColumnValue+"' LIMIT 1"; try { Connection connection = ConnectionManager.getInstance().open(); java.sql.Statement statement = connection.createStatement(); statement.execute(query.toString()); ResultSet rs = statement.getResultSet(); while(rs.next()){ returned = rs.getInt(targetColumnName); } rs.close(); statement.close(); ConnectionManager.getInstance().close(connection); } catch (SQLException e) { System.out.println("???????? ?? ???? ?? ???? ?????????!"); System.out.println(e); } return returned; } // SELECT (RETURN INTEGER) public Integer selectIntReturnInt(String tableName, String sourceColumnName, Integer sourceColumnValue, String targetColumnName) { Integer returned = null; String query = "SELECT "+targetColumnName+" FROM "+tableName+" WHERE "+sourceColumnName+"='"+sourceColumnValue+"' LIMIT 1"; try { Connection connection = ConnectionManager.getInstance().open(); java.sql.Statement statement = connection.createStatement(); statement.execute(query.toString()); ResultSet rs = statement.getResultSet(); while(rs.next()){ returned = rs.getInt(targetColumnName); } rs.close(); statement.close(); ConnectionManager.getInstance().close(connection); } catch (SQLException e) { System.out.println("???????? ?? ???? ?? ???? ?????????!"); System.out.println(e); } return returned; }

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  • Can't read AppletViewer properties file - Applet

    - by White rose
    I have create a java applet program and compiled, it generates a class file. while running the applet viewer in command prompt it shows a following warning message. D:\Applets\Appletsappletviewer FirstApplet.java Warning: Can't read AppletViewer properties file: C:eswaran_s.VMSPL.hotjava\properties Using defaults. After I have run this command once again, it does not shows a warning messsage but the applet viewer is not running. How can I solve this issue?

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  • How to present a plot and then return to cmd prompt

    - by ldigas
    I have a data file, and a gnu file, in which my plotting commands are. How can I produce a plot in gnuplot, in a way that I call gnuplot giving it a name of the gnu file ... it gives me the window with a plot ... and after I close it, it returns me not to gnuplot command prompt, but to cmd (windows cmd.exe) command prompt ?

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  • compiling java program

    - by Hulk
    If the java program is compiled as javac t1.java a //error contents redirecedt to a,file a.But a doesnt have the error contents The contents of t1.java is as: class t1{ public static void main(String[] args) { System.out.printn("Hello World!"); // Display the string. } } So now there is a error i.e, println is written as print n ,how to capture this error in file a The command is executed from linux command prompt Thanks....

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  • Is there a better way to write this URL Manipulation in Python?

    - by dnolen
    I'm curious if there's a simpler way to remove a particular parameter from a url. What I came up with is the following. This seems a bit verbose. Libraries to use or a more pythonic version appreciated. parsed = urlparse(url) if parsed.query != "": params = dict([s.split("=") for s in parsed.query.split("&")]) if params.get("page"): del params["page"] url = urlunparse((parsed.scheme, None, parsed.path, None, urlencode(params.items()), parsed.fragment,)) parsed = urlparse(url)

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  • Reading files in a webservice

    - by mouthpiec
    Hi, I have a webservice, in which I read the settings saved in an xml file. I read the setting by the following command: string dpath = HttpContext.Current.Request.PhysicalApplicationPath.ToString(); XmlTextReader reader = new XmlTextReader(dpath + "Settings.xml"); This is working perfectly when running the application on the localhost, but when I publish the webserver I am getting an error, most probably because the settings are not being loaded. Am I using the right command to read the file ? thanks

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