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• Operations on Java Swing

  - by gustavo

  In my project,I will get the coordinates of some points from an XML file,and create some visual components using this information ? I am planning to give these components to a Java swing frame or panel. However,The users are supposed to click on the figure(which I will construct using Graphics 2d libraries) and select two points and give a label to the points between those two points ? How can i get the clicks clicked on JFrame or JPanel(i.e events for this kind of actions) ?

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• Item of one combobox should not come into the other

  - by syedsaleemss

  Im using c# .net windows form application. I have a database with some tables.I have two comboboxes (A & B). I have populated a combo box A with column names of a table using sys.columns. Now when i select an item in combo box A ,combo box B should be populated with the same items except the selected item which was selected in combobox A .

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• How can I create an empty collection from an anonymous collection most elegantly in C#?

  - by NetMage

  If I have an anonymous type created by LINQ var ans = from r in someList where someCondition(r) select new { r.a, r.b }; What is the best way to create an empty matching collection so I can move elements to the new collection: var newans = ? foreach (r in ans) { if (complicated(r) newans.Add(r); } Is there some way to use Enumerable.Empty<()?

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• Problem in LINQ query formation

  - by Newbie

  I have written List<int> Uids = new List<int>(); Uids = (from returnResultSet in ds.ToList() from portfolioReturn in returnResultSet.Portfolios from baseRecord in portfolioReturn.ChildData select new int { id = baseRecord.Id }).ToList<int>(); Getting error: 'int' does not contain a definition for 'id' what is the problem that i created? Thanks

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• How to count NULL values in MySQL?

  - by abbr

  I want to know how can i find all the values that are NULL in the MySQL database for example I'm trying to display all the users who don't have an average yet. Here is the MySQL code. SELECT COUNT(average) as num FROM users WHERE user_id = '$user_id' AND average IS_NULL

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• mysql queries - performance loss by putting numbers in quotes?

  - by Haroldo

  If a variable will always be a number, is there a performace loss by putting it in inverted commas? for example "SELECT prod.product_name FROM prod WHERE prod.id = '$id'";

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• Notepad++ XmlTools Not Installing

  - by ChloeRadshaw

  This is depressing - I have installed XMLTools and can see it in the menu - It has one sub menu which is "How To Use" If I select that it says something like no libxml / libxslt - Google returns nothing How can I install this plugin properly

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• MySQL Can't Handle Parameters for Stored Procedures

  - by Takkun

  I'm trying to make a stored procedure but it doesn't seem to be recognizing the parameters I've given it. Procedure create procedure test_pro(IN searchTable VARCHAR(55)) begin select * from searchTable limit 10; end // Trying to execute mysql> call test_pro('exampleTable'); ERROR 1146 (42S02): Table 'db.searchTable' doesn't exist It isn't replacing the searchTable with the parameter that is passed in.

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• How to edit resharper's action list

  - by Gerard

  In Resharper I edited the inspection severity of the 'use var keyword when possible' to ''do not show'. But when I select a certain word in the code file, Resharper still shows a pencil with an Action list in the left border with the action 'use var'. Where can I edit the actions that should be shown? I cannot find this option.

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• JQuery - Set all cookies ending with

  - by Israfel

  I'm wondering if it's possible to use a wildcard to select multiple cookies. I'm using jquery to save various scroll position and would like to clear them out in one go. At the moment I clear them out individually as below function clearScroll(elementID) { if ($.cookie) { $.cookie(elementID + '_scrollpos', 0); } } What I'd like is a clear all something like below. function clearAllScroll() { if ($.cookie) { $cookie([name$='_scrollpos'],0); } } Is this possible?

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• sql strictly equals, is there something ?

  - by Omu

  basically I need to check something like this select * from users where name = @name, pass = @pass the problem is that 'pass' = 'pAsS' is there something more strict for string comparison in sql (ms sql-server)

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• simple question about oracle indexes

  - by john

  If I have an oracle query like below: SELECT * FROM table_a where A = "1", B = "2", C = "3" for this query to pickup one of the indexes of table_a...does the index need to be on all 3 of these columns? What I am asking is: What if Index is on A, B, C, D? What if Index is on B, C? Will the index only be picked when it is on A, B, C?

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• PHP MySQL query help

  - by user547794

  Hello, I am trying to use this query to return every instance where the variable $d['userID'] is equal to the User ID in a separate table, and then echo the username tied to that user ID. Here's what I have so far: $uid = $d['userID']; $result = mysql_query("SELECT u.username FROM users u LEFT JOIN comments c ON c.userID = u.id WHERE u.id = $uid;")$row = mysql_fetch_assoc($result); echo $row['username'];

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• Using jQuery :contains selector

  - by Alex

  Hello there, I have a div with id kGrowl and inside that div I have a select element with name = mover. I try to use this selector: $('#kGrowl:contains([name=mover])').length But it is currently returning 0. How is my selector wrong? Thanks.

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• Create a Calendar that displays one year from today(Asp.Net)

  - by GigaPr

  Hi, I would like to create a calendar that displays a year from today(everyday) and allows the user to select the multiple dates. I tried to use the asp:calendar without any success I am developing in C# .NET any suggestion

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• selecting delimiter in regex while selecting portion between lines in case of perl

  - by Gaurav S

  The message has detection report: <detection_report> Test 1 Test 2 Test 3 </detection_report> --------------------------------------------- Have a nice day I want to select portion between <detection_report> tags, including these two tags. I have written following code. The message has detection report\:((.|\n|\r)+)(\<\/detection_report\>) but its not working. Can anyone help me with this.

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• how to get last option value of a dropdownlist?

  - by Ayyappan.Anbalagan

  consider my dropdownlist has, o select 1 hot 2 cold 3 warm i want to get warm (ie)get last option value of a dropdownlist using c#?

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• finding if an anniversary is coming up in n days in MySql

  - by user151841

  I have a table with anniversary dates. I want a query that returns me rows of anniversaries coming up in the next 10 days. For instance: birthdate --------- 1965-10-10 1982-05-25 SELECT birthdate FROM Anniversaries WHERE mystical_magical_mumbo_jumbo <= 10 +------------+ | birthdate | +------------+ | 1982-05-25 | +------------+ 1 row in set (0.01 sec) I'd like to keep the query in the form x <= 10, because I'll use that number 10 in other parts of the query, and if I set it to a variable, I can change it once everywhere by changing the variable, and not have to re-write the query.

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• LINQ Query and DateTimes....

  - by AlwaysBeCoding

  Im trying to get the Sum() from an Entityset with the next query. (from MyObject p in SelectedObject.MyObjectEntitySet where p.AColumn.HasValue && (p.ADate >= dateTimeValue && p.ADate <= dateTimeValue2) select p.AColumn.Value).Sum(); with no luck retrieving correct sum. Any Ideas?

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• Check Directories in C# using Linq

  - by pm_2

  Can someone tell me what I'm doing wrong with the following Linq query? I'm trying to find the directory with the highest aphanumerical value. DirectoryInfo[] diList = currentDirectory.GetDirectories(); var dirs = from eachDir in diList orderby eachDir.FullName descending select eachDir; MessageBox.Show(dirs[0].FullName);

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• Signs that a SQL statement is dangerous

  - by Matt

  Hi, I want to develop a function in PHP that checks how dangerous a SQL statement is. When i say dangerous i mean, certain symbols, characters or strings that are used to get data from a database that the user shouldnt see. For example: SELECT * FROM users WHERE userId = '1' can be injected in several ways. Although i clean the params, i also want to monitor how safe the query is to run. Thanks in advance

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• CodeIgniter - numbers in sql query are masked with ``

  - by Checkson

  Hello, i'm using CodeIgniter for developing a community board. As I'm using nested sets to get a nested forum hierarchy, I have to run a lot of queries such as: SELECT `id` FROM `forums` WHERE 1 BETWEEN `lft` AND `rgt` My problem: CodeIgniter is replacing the "1" by "`1`" because the "1" is recognized as a column name. Of course, the query does not work any more. Is there a way to get it working? thx in advance

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• GridView with multiple DataSources

  - by mike1973

  Hello, I have a grid view that will display columns from multiple data sources (3). The data sources are stored procedures that contains a variety of columns not identical, How can i select the columns from these datasources and bind them to the Grid programtically (from code behind)??? Thanks

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• Git: Add part of (changed) file to index *by line numbers*

  - by RobM

  Is there a git command to add differences within a range of line-numbers to the index? I want to be able to select lines in my editor and run a macro to add any changes in the selection to the index.

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• Selecting two specific mysql table rows in a single query

  - by Scotta

  Lets say I have a table with 20 entries. They are sorted by date (date is a column name _) in descending order. How would I go about selecting ONLY the newest entry and the 15th oldest entry? I am getting all 15 results by doing the following query SELECT * FROM mytable m WHERE col1 = "zzz" ORDER BY date DESC LIMIT 15;

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