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  • This should be real easy. How to find a button through its Value (Jquery Selector)

    - by Raja
    I have this HTML: <div id='grid'> <input type="button" value="edit"/> <input type='button' value='update'/> </div> How to I attach a click event only to Update button. I know I could add a class to it or specity an id but both are not possible since it is in gridview. I tried this: $("input:button[@value='update']").click(function(){alert('test');}); but it displays an alert for both buttons. I know I must be doing something silly. Any help is much appreciated. Thanks Kobi for helping me out. Given below is the right answer. $("input[value='update']").click(function(){alert('test');});

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  • How can I treat a sequence value like a generated key?

    - by Jeff Knecht
    Here is my situation and my constraints: I am using Java 5, JDBC, and DB2 9.5 My database table contains a BIGINT value which represents the primary key. For various reasons that are too complicated to go into here, the way I insert records into the table is by executing an insert against a VIEW; an INSTEAD OF trigger retrieves the NEXT_VAL from a SEQUENCE and performs the INSERT into the target table. I can change the triggers, but I cannot change the underlying table or the general approach of inserting through the view. I want to retrieve the sequence value from JDBC as if it were a generated key. Question: How can I get access to the value pulled from the SEQUENCE. Is there some message I can fire within DB2 to float this sequence value back to the JDBC driver?

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  • When using SELECT can you modify the value of a returned field based on other fields?

    - by user570759
    When using MySQL SELECT can you change the value of a returned field based on other fields? For example, if I have this select: SELECT city,state,country FROM table Now if city is empty AND state is empty, I want the value of country to returned empty as well (whether country actually has a value or not). Example table: id | city | state | country ----------------------------- 1 | Here | There | MyCountry 2 | | | YourCountry So with the above table, I want the results for id=1 to return Here,There,MyCountry but the results for id=2 should be empty,empty,empty Thanks

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  • How do I map to a parent or child in the same table with NHibernate?

    - by adolfojp
    Lets suppose that I have a Category table with a column that holds the id of a parent or child category from the same table. This design would allow me to have unlimited levels of Categories, or unlimited levels in a thread, for example. How can I map this relationship with NHibernate? Are there any disadvantages or warnings that I should take into consideration when doing this?

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  • Does a c/c++ compiler optimize constant divisions by power-of-two value into shifts?

    - by porgarmingduod
    Question says it all. Does anyone know if the following... size_t div(size_t value) { const size_t x = 64; return value / x; } ...is optimized into? size_t div(size_t value) { return value >> 6; } Do compilers do this? (My interest lies in GCC). Are there situations where it does and others where it doesn't? I would really like to know, because every time I write a division that could be optimized like this I spend some mental energy wondering about whether precious nothings of a second is wasted doing a division where a shift would suffice.

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  • How can I determine new & previous cell value on SheetChange event in Excel?

    - by Falco Foxburr
    I have some special cells in my Excel workbooks which are managed by my Excel Add-in. I want to prevent users from changing content of those cells, but I also want to know, what value users wanted to enter to those cells. On the SheetChange event I can check what users entered to my special cells, but how do I determine the PREVIOUS value in those cells and REVERT user changes? It is not a solution for me. If I lock cell in Excel, it becomes read-only - user can not even try to enter anything to this cell - Excel popups warning dialog in this case. My problem is that I want to catch what user entered to my cell, do something with this value, and then revert cell content to original value.

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  • Domain entities into (ASP.NET) Session, or better some kind of DTOs?

    - by Robert
    Currently we put Domain Objects into our ASP.NET Sessions. Now we considering moving from InProc sessions to state server. This requires that all objects inside session are serializable. Instead to annotate all objects with the [Serializable] attribute, we thought about creating custom-session objects (DTO Session Objects?), which only contain the information we need: CONS: Entities must be reloaded, which requires additional DB round-trips PROS: Session State is smaller Session information is more specific (could be a CON) No unneeded annotation of Domain-Entities What do you think? Should we use some kind of DTOs to store inside the session, or should we stick with god old entities?

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  • Where to read the provided height value in an UITableViewCell?

    - by mystify
    I made a UITableViewCell subclass, and now I want that subclass to be "clever". It should align it's contents to the height of the row. But for this, the cell must know what height value was provided for it in this method: - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath However, no matter what value I assign here, my cell's frame is 44 px height at initialization time (default style). Is there any way I can get that value from the cell at initialization time?

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  • Removing object/array difference from different arrays [duplicate]

    - by Kay Singian
    This question already has an answer here: remove objects from array by object property 3 answers I have two JavaScript objects: object_1 = [ {'value': '9:00', 'text':'9:00 am', 'eventtime':'09:00:00' }, {'value': '9:30', 'text':'9:30 am', 'eventtime':'09:30:00' }, {'value': '10:00', 'text':'10:00 am', 'eventtime':'10:00:00' }, {'value': '10:30', 'text':'10:30 am', 'eventtime':'10:30:00' }, {'value': '11:00', 'text':'11:00 am', 'eventtime':'11:00:00' }, {'value': '11:30', 'text':'11:30 am', 'eventtime':'11:30:00' }, ]; object_2 = [ {'eventtime': '10:30:00'}, {'eventtime': '11:00:00'} ]; I want to remove the object in object_1 which has the same eventtime value and store it in a new array/object . Please help me do so, I cant find a solution to this. This will be the new array/object: object_new = [ {'value': '9:00', 'text':'9:00 am', 'eventtime':'09:00:00' }, {'value': '9:30', 'text':'9:30 am', 'eventtime':'09:30:00' }, {'value': '10:00', 'text':'10:00 am', 'eventtime':'10:00:00' }, {'value': '11:30', 'text':'11:30 am', 'eventtime':'11:30:00' }, ];

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  • How do I select the item with the highest value using LINQ?

    - by mafutrct
    Imagine you got a class like this: class Foo { string key; int value; } How would you select the Foo with the highest value from an IEnumeralbe<Foo>? A basic problem is to keep the number of iterations low (i.e. at 1), but that affects readability. After all, the best I could find was something along the lines of this: IEnumerable<Foo> list; Foo max = list.Aggregate ((l, r) => l.value > r.value ? l : r); Can you think of a more better way?

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  • Is it possible to have variable find conditions for both the key and value?

    - by DarrenD
    I'm trying to pass in both the field and the value in a find call: @employee = Employee.find(:all, :conditions => [ '? = ?', params[:key], params[:value].to_i) The output is SELECT * FROM `employees` WHERE ('is_manager' = 1) Which returns no results, however when I try this directly in mysqsl using the same call without the '' around is_manager, it works fine. How do I convert my params[:key] value to a symbol so that the resulting SQL call looks like: SELECT * FROM `employees` WHERE (is_manager = 1) Thanks, D

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  • How to retrieve value from asp.net textbox from javascript?

    - by Clean
    Hi, I have an asp.net web form with a couple of asp.net textbox controls: <asp:TextBox ID="txtTextBox" runat="server" /> . I have a javascript file tools.js that are included in the page: <script src="tools.js" type="text/javascript"></script> How can I access the value from txtTextBox from javascript? Ive tried using document.getElementById('<%= txtTextBox.ClienID %>').value; document.getElementById('<%= txtTextBox.UniqueID %>').value; document.getElementById('<%= txtTextBox %>').value; but none of them works. Any ideas?

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  • regex. How can I match the value between '+' and ':' ?

    - by martin
    I have this string: sometext +[value]:- I would like to match the value(1-3 numerical characters) (with regex, javascript) sometext may contain a +sign if i'm unlucky so I don't wanna end up with matching some +text +value:- I sat up last night banging my head against this, so I would be really glad if someone could help me.

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  • How can I set a default value when incorrect/invalid input is entered in Unix?

    - by user2889968
    i want to set the value of inputLineNumber to 20. I tried checking if no value is given by user by [[-z "$inputLineNumber"]] and then setting the value by inputLineNumber=20. The code seems to be working correct when no value is given but I also receive ./t.sh: [-z: not found as message on the console. Is there some way to not print this message. Here's my full script as well. #!/bin/sh cat /dev/null>copy.txt echo "Please enter the sentence you want to search:" read "inputVar" echo "Please enter the name of the file in which you want to search:" read "inputFileName" echo "Please enter the number of lines you want to copy:" read "inputLineNumber" [[-z "$inputLineNumber"]] || inputLineNumber=20 cat /dev/null > copy.txt for N in `grep -n $inputVar $inputFileName | cut -d ":" -f1` do LIMIT=`expr $N + $inputLineNumber` sed -n $N,${LIMIT}p $inputFileName >> copy.txt echo "-----------------------" >> copy.txt done cat copy.txt

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  • How can I pass select field ID and its value to ajax without having any form?

    - by user3766078
    I have a select field which has ID name as 'region_code' well as its value. And I want pass ID in ajax. As you can see below, the input field is not included in any form. It has a value and the ID Is it possible to get value in ajax as shown below? echo '<select id="region_code" onchange="show_region_code();">'; $result = mysql_query("SELECT region_code, region_name FROM list_region"); while($rows = mysql_fetch_array($result)) { echo "<option value=\"$rows[0]\">".$rows["1"].'</option>'; } echo '</select>'; My ajax function as below function show_region_code() { var region_code = $("#region_code").val(); $.ajax ({ type: "POST", url: "show_region_code.php", data: { region_code1: region_code }, success: function(data) { $("#region_code").html(data); } }); }

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  • How to append an integer to a const char value in iphone?

    - by Warrior
    I have sql query statement which used to display the contents in the table.The sql statement consist of a where clause which is to be appended with numeric value as 1 ,2 3 etc depends upon the previously selected content.I am having the numeric value as int and i want it to append to sql statement which is const char.how can i append both the values.Please help me out. My query is == select * from Book where id=1; i have the id value is integer Thanks.

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  • How to map a long integer number to a N-dimensional vector of smaller integers (and fast inverse)?

    - by psihodelia
    Given a N-dimensional vector of small integers is there any simple way to map it with one-to-one correspondence to a large integer number? Say, we have N=3 vector space. Can we represent a vector X=[(int32)x1,(int32)x2,(int32)x3] using an integer (int48)y? The obvious answer is "Yes, we can". But the question is: "What is the fastest way to do this and its inverse operation?"

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