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  • Why does my ASP.NET user control's field value reset to 0?

    - by Innogetics
    In the code below, why does the groupId value reset to 0 during Page_Load event? Maybe perhaps the AccountGrid created with groupId 1 is not the one that is loaded to the page? public partial class AccountGrid : System.Web.UI.UserControl { int groupId = 0; public AccountGrid() { } // an aspx page creates AccountGrid with "new AccountGrid(1)" public AccountGrid(int groupId) { this.groupId = groupId; } protected void Page_Load(object sender, EventArgs e) { DataAccessFacade facade = new DataAccessFacade(); // groupId resets to 0 here... grdAccount.DataSource = facade.GetAccountsByAccountGroupId(this.groupId); grdAccount.DataBind(); } } In my page, I have public partial class Default : System.Web.UI.Page { public Default() { } public void Page_Load(object sender, EventArgs e) { ctlAccountGrid = new Views.Controls.Account.AccountGrid(1); // should I do databind? ctlAccountGrid.DataBind(); } }

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  • User will input some filter criteria -- how can I turn it into a regular expression for String.match

    - by envinyater
    I have a program where the user will enter a string such as PropertyA = "abc_*" and I need to have the asterisk match any character. In my code, I'm grabbing the property value and replacing PropertyA with the actual value. For instance, it could be abc_123. I also pull out the equality symbol into a variable. It should be able to cover this type of criteria PropertyB = 'cba' PropertyC != '*-this' valueFromHeader is the lefthand side and value is the righthand side. if (equality.equals("=")) { result = valueFromHeader.matches(value); } else if (equality.equals("!=")) { result = !valueFromHeader.matches(value); } EDIT: The existing code had this type of replacement for regular expressions final String ESC = "\\$1"; final String NON_ALPHA = "([^A-Za-z0-9@])"; final String WILD = "*"; final String WILD_RE_TEMP = "@"; final String WILD_RE = ".*"; value = value.replace(WILD, WILD_RE_TEMP); value = value.replaceAll(NON_ALPHA,ESC); value = value.replace(WILD_RE_TEMP, WILD_RE); It doesn't like the underscore here... abcSite_123 != abcSite_123 (evaluates to true) abcSite_123$1.matches("abcSite$1123") It doesn't like the underscore...

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  • Standardizing camera input in OpenCV? (Contrast/Saturation/Brightness etc..)

    - by karpathy
    I am building an application using OpenCV that uses the webcam and runs some vision algorithms. I would like to make this application available on the internet after I am done, but I am concerned about the vast differences in camera settings on every computer, and I am worried that the algorithm may break if the settings are too different from mine. Is there any way, after capturing the frame, to post process it and make sure that the contrast is X, brightness is Y, and saturation is Z? I think the Camera settings themselves can not be changed from code directly using the current OpenCV Python bindings. Would anyone be able to tell me about how I could calculate some of these parameters from the image and adjust them appropriately using OpenCV?

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  • How to process <input type="file" name="test1[f]" /> in PHP?

    - by user198729
    var_dump($_FILES) gives the following: array 'test1' => array 'name' => array 'f' => string 'ntuser.dat.LOG' (length=14) 'type' => array 'f' => string 'application/octet-stream' (length=24) 'tmp_name' => array 'f' => string 'D:\wamp\tmp\php223.tmp' (length=22) 'error' => array 'f' => int 0 'size' => array 'f' => int 0 Why is http designed this way?How can I get the file by $_FILES['test1']['f']?

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  • If file contains certain text, how can I extract a string from the file and input it into a cell? (VBA)

    - by Kristina Kotonika
    Say I have the following path and file name: P:\Actuary\Cash Flow Forecast\Annual and Quarterly Budget Data\ECMQA 2012Q1.xls I want to write an if then statement that does the following (not sure if my statement is set up properly): If InStr(1, "P:\Actuary\Cash Flow Forecast\Annual and Quarterly Budget Data\ECMQA 2012Q1.xls", "QA", vbTextCompare) > 0 Then BD.Sheets("Sheet1").Range("C2").value = "2012Q1" End If Instead of just inputting "2012Q1", I want it to automatically read this from the file. The thing is I am actually looping through 12 or so files and there's two types, "ECMQA 2012Q1.xls" (or ECMQB 2012Q2.xls and so on) AND "ECM Annual Budget 2012.xlsx" If my file is the annual one (If file contains "Annual"), then I want: BD.Sheets("Sheet1").Range("C2").value = "2012" And i want it to read this from the actual file, same as the other one...not me putting in "2012" Is there a way to do this? Any help will be appreciated!

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  • How would I rspec/test an updated_at field without using sleep() in ruby?

    - by Kamilski81
    How do i write my spec without using the sleep(1.second) method? When I remove the sleep then my tests break because they are returning the same time stamp? I have the following class method: def skip qs = find_or_create_by(user_id: user_id) qs.set_updated_at qs.n_skip += 1 qs.save! end and following spec: qs = skip(user.id) sleep(1.second) qs2 = skip(user.id) qs.should_not be_nil qs2.should_not be_nil (qs.updated_at < qs2.updated_at).should be_true

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  • Cannot use fclose on output stream, input stream is fine.

    - by TeeJay
    Whenever I run my program with fclose(outputFile); at the very end, I get an error. glibc detected...corrupted double-linked list The confusing thing about this though, is that I have fclose(inputFile); directly above it and it works fine. Any suggestions? FILE* inputFile = fopen(fileName, "r"); if (inputFile == NULL) { printf("inputFile did not open correctly.\n"); exit(0); } FILE* outputFile = fopen("output.txt", "wb"); if (outputFile == NULL) { printf("outputFile did not open correctly.\n"); exit(0); } /* ... read in inputFile ... */ /* ... some fprintf's to outputFile ... */ fclose(inputFile); fclose(outputFile);

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  • Using MonoDroid, how can I open a dialog when an EditText field gains focus?

    - by Kiada
    I made the EditText clickable but you have to "double-click" to bring the dialog box up, which isn't really desired behaviour. How can I bring the dialog box up when the EditText is clicked / gains focus? Bonus points for including a way to stop the keyboard popping up :) _createProfileDobEdtTxt.Clickable = true; _createProfileDobEdtTxt.Click += (sender, e) => { ShowDialog(DATE_OF_BIRTH_DIALOG); };

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  • Can I make an identity field span multiple tables in SQL Server?

    - by johnnycakes
    Can I have an "identity" (unique, non-repeating) column span multiple tables? For example, let's say I have two tables: Books and Authors. Authors AuthorID AuthorName Books BookID BookTitle The BookID column and the AuthorID column are identity columns. I want the identity part to span both columns. So, if there is an AuthorID with a value of 123, then there cannot be a BookID with a value of 123. And vice versa. I hope that makes sense. Is this possible? Thanks. Why do I want to do this? I am writing an APS.NET MVC app. I am creating a comment section. Authors can have comments. Books can have comments. I want to be able to pass an entity ID (a book ID or an author ID) to an action and have the action pull up all the corresponding comments. The action won't care if it's a book or an author or whatever. Sound reasonable?

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  • "Invalid use of Null" when using Str() with a Null Recordset field, but Str(Null) works fine

    - by Mike Spross
    I'm banging my head against the wall on this one. I was looking at some old database reporting code written in VB6 and case across this line (the code is moving data from a "source" database into a reporting database): rsTarget!VehYear = Trim(Str(rsSource!VehYear)) When rsSource!VehYear is Null, the above line generates an "Invalid use of Null" run-time error. If I break on the above line and type the following in the Immediate pane: ?rsSource!VehYear It outputs Null. Fine, that makes sense. Next, I try to reproduce the error: ?Str(rsSource!VehYear) I get an "Invalid use of Null" error. However, if I type the following into the Immediate window: ?Str(Null) I don't get an error. It simply outputs Null. If I repeat the same experiment with Trim() instead of Str(), everything works fine. ?Trim(rsSource!VehYear) returns Null, as does ?Trim(Null). No run-time errors. So, my question is, how can Str(rsSource!VehYear) possibly throw an "Invalid use of Null" error when Str(Null) does not, when I know that rsSource!VehYear is equal to Null?

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  • How can I map to a field that is joined in via one of three possible tables

    - by Mongus Pong
    I have this object : public class Ledger { public virtual Person Client { get; set; } // .... } The Ledger table joins to the Person table via one of three possible tables : Bill, Receipt or Payment. So we have the following tables : Ledger LedgerID PK Bill BillID PK, LedgerID, ClientID Receipt ReceiptID PK, LedgerID, ClientID Payment PaymentID PK, LedgerID, ClientID If it was just the one table, I could map this as : Join ( "Bill", x => { x.ManyToOne ( ledger => ledger.Client, mapping => mapping.Column ( "ClientID" ) ); x.Key ( l => l.Column ( "LedgerID" ) ); } ); This won't work for three tables. For a start the Join performs an inner join. Since there will only ever be one of Bill, Receipt or Payment - an inner join on these tables will always return zero rows. Then it would need to know to do a Coalesce on the ClientID of each of these tables to know the ClientID to grab the data from. Is there a way to do this? Or am I asking too much of the mappings here?

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  • How do I see if an established socket is stuck on a server that's expecting input?

    - by Parker
    I have a script that scans ports for open proxy servers. Problem is if it encounters a login program (specifically telnet) then it hangs there forever since it doesn't know what to do and eventually the server closes the connection. The simple solution would be to create a bunch of cases. If telnet, do this. If SSH, do that. If something else, blah blah blah. I'd like an umbrella solution since the script is not a high priority for me. The script, as it is now, is available at http://parkrrr.net/socks/scan.phps On a small scale (the page maybe averages 15 hits/day) it's fine but on a larger scale I'd be worried about a lot of open zombie sockets. Swapping the !$strpos doesn't work since servers can return more information than what you requested (headers, ads, etc). Only accepting a fixed number of bytes (as opposed to appending until EOF, which it does now) from the $fgets also does not seem to work. I am sure this is where it gets stuck: while (!feof($fp)) { $data.=fgets($fp,512); } But what can I do? Any other suggestions/warnings would also be welcomed.

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  • jquery append row onclick

    - by BigDogsBarking
    Pretty new to jQuery, so I'm hoping someone can help me out... There's a couple of things going on here... Help with any part of it is appreciated. For starters, I'm trying to append a row to a table when a user clicks in the first enabled input field for that row. Here's the code I'm trying to use: $("#fitable > tbody > tr > td > input").bind('focus', function() { if($(this).attr('disabled', false)) { $(this).click(function() { var newRow = '<tr><td><input name="f1[]" value="" /><label>CustNew</label></td><td><input name="field_n1[]" value="" /><label>N1</label></td><td><input name="field_n2[]" value="" /><label>N2</label></td></tr>'; $(this).closest("tbody").append(newRow); }); } }); If it's helpful, here's the html: <table id="fitable"> <tbody> <tr valign="top"> <td><input disabled="disabled" name="cust" id="edit-cust" value="[email protected]" type="text"><label>Cust</label></td> <td><input name="field_n1[]" value="" type="text"><label>N1</label></td> <td><input name="field_n2[]" value="" type="text"><label>N2</label></td> </tr> </tbody> </table>

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  • [SEO] sitemap.xml What is the precision of the priority field?

    - by Christoph
    Unfortunately the specification does not tell anything about precision. The xml scheme definition states that it is of the type xsd:decimal: <xsd:restriction base="xsd:decimal"> <xsd:minInclusive value="0.0"/> <xsd:maxInclusive value="1.0"/> </xsd:restriction> I have a sitemap generator that uses up to 10 positions after decimal point. Where often only the last few positions differ. These numbers are perfectly right according to the xsd, but yet i found some pages(3,4) that state that only 0.0, 0.1, 0.2, .., 1.0 are valid values. How will the search engines react to such a sitemap? Will some just round the value? I know that it is unlikely that someone can provide an answer to that question, unless he works for that search engine, but i think experiences will also do.

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  • Using SSIS, how do you read a datetime field into a variable that is of Data Type string?

    - by Mark Kadlec
    This one has bugged me for the longest time and a great question to ask the Stackoverflow users I think. I have a rather large SSIS flow that uses a string variable to store the datetime. I would now like to dynamically read the datetime value from the database, but how would you construct the SSIS to do this? My first obvious thought would be to simply execute a SQL task to get the datetime and store it in the variable, but got the "differs from the current variable type" error. Is there a simple way to convert the database datetime into a String variable? Any help from the community would be appreciated,

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  • How to add an additional field to a queryset?

    - by Mark
    I've got a list of affiliates (users who have referred someone to the site): affiliates = User.objects.annotate(referral_count=Count('referrals')).filter(referral_count__gt=0) And a count of the number of users each affiliate has referred within a time frame: new_users = User.objects.filter(date_joined__gt=sd, date_joined__lte=ed) new_referrals = User.objects.filter(referrals__user__in=new_users).annotate(referral_count=Count('referrals')) How can I do something like new_referrals['affiliate.username'].referral_count from within my template? Note that this is not just a syntax issue, I also need to index new_referrals somehow so that I'm able to do this. Either this, or if I can somehow add a new_referral_count to the first query, that'd work too.

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