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  • Sqlite3 and PDO problem with ORDER BY

    - by Maenny
    Hi, I try to use the SQL statement SELECT * FROM table ORDER BY column via an PDO-Object in PHP. Problem is, that I always get an error (Call to a member function fetchall() on a non-object - that means, the query did not return a PDO-object) when using the names of all columnname EXCEPT for ID. When I query SELECT * FROM table ORDER BY ID it works. ID is the PRIMARY INTEGER KEY, all other columns are TEXT or NUMERIC, neither of them would works with the ORDER BY clause. Any ideas?

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  • In Asp.net 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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  • Force update in Hibernate

    - by gubrutz
    How can I force Hibernate to update an entity instance even if the entity is not dirty? I'm using Hibernate 3.3.2 GA, Hibernate Annotations and Hibernate EntityManager btw. I really want Hibernate to execute the generic UPDATE statement even if no property on the entity has changed. I need this because some event listeners need to get invoked to do some additional work when the application runs for the first time. Thanks!

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  • NHibernate Empty Set Clauses in SQL Update Statements

    - by Brian Wilkinson
    I'm getting SQL update statements from NHibernate having a empty set clause ie UPDATE SET WHERE x == ? This propblem is occuring when a child entity is being updated for some reason the sql statement is being run against the Parent Entity, for some reason NHibenate is saying the parent has changed but when the set clause is being built no changes are found, can anyone help. The application I am constructing isn 3 tier. The domain entities are light weight data contract only entities.

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  • Tools to update tables in SQL server 2000/2005

    - by Stan
    Is there any handy tool that can make updating tables easier? Usually I got an Excel file with the original value in one column and new value in another column. Then I write a formula in Excel to create the 'update' statement. Is there any way to simplify the updating task? I believe the approach in SQL server 2000 and 2005 would be different, so could we discuss them both? Thanks.

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  • re-trigger the same tab index event

    - by hunt
    Hi, i am using Jquery UI tabs , to trigger show event i use following statement $tabs.tabs('select',1); after this code executes a tab is set to #tabs-1 but i am failed to re trigger the same event on same tab when #tabs-1 is already shown. so how to re-trigger the same tab event.

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  • Local and global variables in javascript

    - by caramel1991
    Today,I started to code a page that prompt the user to choose their PC spec,and the code is as follow <html> <title>Computer Specification Chooser</title> <head> <script type="text/javascript"> var compSpec = document.compChooser; function processorUnavailable_onclick() { alert("Sorry that processor speed is currently unavailable"); compSpec.processor[2].checked = true; } </script> </head> <body> <form name="compChooser"> <p>Tick all components you wan included on your computer</p> <p> DVD-ROM <input type="checkbox" name="chkDVD" value="DVD-ROM" /> <br /> CD-ROM <input type="checkbox" name="chkCD" value="CD-ROM" /> <br /> Zip Drive <input type="checkbox" name="chkZIP" value="ZIP DRIVE" /> </p> <p> Select the processor speed you require <br /> <input type="radio" name="processor" value="3.8" /> 3.8 GHZ <input type="radio" name="processor" value="4.8" onclick="processorUnavailable_onclick()" /> 4.8 GHZ <input type="radio" name="processor" value="6" /> 6 GHZ </p> <input type="button" name="btnCheck" value="Check Form" /> </form> </body> </html> The problem I'm facing is on the function that I've tie to the event handler,when I try to choose the radio button of the processor value 4.8 GHZ,yes it alert me with the message inside the function,but after that,it doest not execute the next statement inside the function,that is to check the next processor value 6 GHZ. I've try my effort to change it and test on it,and find out when I set the var compSpec = document.compChooser as a local variable inside the function instead of a global variable,the next statement could be executed. But I thought for a global variable,it is accessible in everywhere on the page and also inside a function.But why now I can't accesses it inside my function??Any idea?? Besides,I stumble upon a weird article while googling,it says that when a global variable is created,it is added to window object.I just curious why this happen??And what's the benefits and uses of it?? THANK YOU

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  • how to specify literal value in linq union

    - by lowlyintern
    I have the following SQL query, note I want the literal value '0' in the second field in the second SELECT statement from the ItemSale table. How do I express this in LINQ? I get the error message 'Invalid anonymous type member declarator'. SELECT BranchNumber,QuantitySold FROM Department UNION SELECT BranchNumber,0 FROM ItemSale How to express the '0' in LINQ? var unionQuery = (from dept in Department select new { dept.BranchNumber, dept.QuantitySold, }) .Concat(from item in ItemSale select new { item.BranchNumber, 0 });

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  • Can i use a generic implicit or explicit operator? C#

    - by acidzombie24
    How do i change the following statement so it accepts any type instead of long? Now here is the catch, if there is no constructor i dont want it compiling. So if theres a constructor for string, long and double but no bool how do i have this one line work for all of these support types? ATM i just copied pasted it but i wouldnt like doing that if i had 20types (as trivial as the task may be) public static explicit operator MyClass(long v) { return new MyClass(v); }

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  • How can I return something early from a block?

    - by ryeguy
    If I wanted to do something like this: collection.each do |i| return nil if i == 3 ..many lines of code here.. end How would I get that effect? I know I could just wrap everything inside the block in a big if statement, but I'd like to avoid the nesting if possible.

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  • Setting custom SQL in django admin

    - by eugene y
    I'm trying to set up a proxy model in django admin. It will represent a subset of the original model. The code from models.py: class MyManager(models.Manager): def get_query_set(self): return super(MyManager, self).get_query_set().filter(some_column='value') class MyModel(OrigModel): objects = MyManager() class Meta: proxy = True Now instead of filter() I need to use a complex SELECT statement with JOINS. What's the proper way to inject it wholly to the custom manager?

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  • Java Synchronized function

    - by leon
    Hi I have a question. In the following code, if a thread were blocked at wait statement, and another thread attempts to execute foo(), would the hello wolrd message be printed? and Why? Many Thanks synchronized foo(){ system.out.println("hello world"); ..... wait(); ..... }

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  • Switching MySql Replication Format

    - by NNN
    I'm currently using statement-based replication. After upgrading to MySql 5.1, I'm considering using row-based replication. After reading the docs it seems that you can change the format of the master on the fly. Will the slave automatically adapt to whatever type of binary log it is sent? Do I have to make any changes to the slave or master to get ready for switching or can I simply modify the binlog_format variable on the master?

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  • Questions about grails filters

    - by manojsingh
    Basically I have 2 questions regarding grails filters. According to grails documentation you can do something like below in a filter if (userId != paramsUserId) { flash.message = "You can only modify yourself" redirect(action: 'list') return false } If the above condition is true then how will the return statement get executed ? Can I have a redirect in my filter to a some action which also has a redirect ?

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  • Is the Sleep operation no longer used in VBscript?

    - by Cheesus Toast
    The "Sleep" command as stated in many places over the internet (including here on this forum) DOES NOT WORK. Is it now an obsolete command? I am writing the VBScript code like this: sub button1_onclick() Wscript.Sleep 1000 div1.innerHTML = textbox1.value end sub It should wait 1 second and then execute that simple command. This is an utterly simple statement but it does not work. Plain and simple. It comes up with an error every time saying: Object Required: 'Wscript'

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  • SQL: HAVING clause

    - by Craig Johnston
    See the following SQL statement: SELECT datediff("d", MAX(invoice.date), Now) As Date_Diff, MAX(invoice.date) AS max_invoice_date, customer.number AS customer_number FROM invoice INNER JOIN customer ON invoice.customer_number = customer.number GROUP BY customer.number If the the following was added: HAVING datediff("d", MAX(invoice.date), Now) > 365 would this simply exclude rows with Date_Diff <= 365? What should be the effect of the HAVING clause here?

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  • ms-access: displaying column as "something else"

    - by every_answer_gets_a_point
    i have the following access sql statement: SELECT * FROM (SELECT [Occurrence Number], [Occurrence Date], [1 0 Preanalytical (Before Testing)], [Cup Type], NULL as '2 0 Analytical (Testing Phase)', [2 0 Area], NULL,NULL FROM [Lab Occurrence Form] WHERE NOT ([1 0 Preanalytical (Before Testing)] IS NULL) in this: NULL as '2 0 Analytical (Testing Phase)' when it displays the column it shows the single quote. if i remove the quote completely it gives me an error, if i use double quotes it shows me the double quotes in the resulting table is it possible to not have it show any quotes?

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  • ignore some values in insert into select from sql stament

    - by nitroxn
    Suppose that I have a Table Symbols(Symbol, Value) and a Table SymbolValues (Symbol, Value) which contains a list of values for the symbol. How to choose maximum values fromt he SymbolValues table and insert into Symbols table. For Example, The SymbolValues Table has following values A 1 A 2 A 3 B 6 B 7 Then only A 3 and B 7 should be inserted in the Symbols table. Is this possible using insert into select statement. Thanks

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  • What does [a|b|c] evaluate to in Prolog?

    - by Ambrose
    The pipe operator in prolog returns one or more atomic Heads and a Tail list. ?- [a,b,c] = [a,b|[c]]. true. Nesting multiple pipes in a single match can be done similar to this: ?- [a,b,c] = [a|[b|[c]]]. true. What does the statement [a|b|c] infer about a, b and c?

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  • Eclipse Doesn't List Classes Within Java Packages

    - by Matt Robertson
    Usually when I'm typing a Java import statement in Eclipse or otherwise referencing a class via the packages that it is in, Eclipse shows a context menu with a list of all classes within that package. There have been several times, however, that it would only shows subpackages within a package and would not show classes within that package. Does anyone know why this is? It sounds like a setting/preference was changed, but I never knowingly changed anything related to this.

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  • How to make this open a webbrowser inside a new form

    - by user335932
    private void button5_Click(object sender, EventArgs e) { if (domainUpDown2.Text == "Battlefield: Bad Company 2") { Form2 form2 = new Form2(); form2.ShowDialog(); } } All that does is open a new blank form, but i need it to open a new form with a webbrowser in it so i can set it url dependent on the if statement..

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  • SQL Select for multiple where clause

    - by Tony
    Hi, I am trying to create SQL Select that returns counts of a certain field based on a field. So, here is what I am trying to do. Select count(distinct id) as TotalCount, -- this will be the total of id count(distinct id where type='A') as TotalA, -- this will be total when type='A' count(distinct id where type='B') as TotalB -- This will be total when type = 'B' from MyTable Basically, TotalCount = TotalA + TotalB. How can I achieve this in SQL Select Statement? Thanks.

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