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  • Developing a custom-validation in asp.net for specific control and criteria

    - by Gaurav
    Hello There is another relevant question asked Validation Check in asp.net In the same scenario we need a custom validator control which will alert user for any wrong entry. This will work like this : Developer will pass the control-name, input-value and format-required For instance like for textbox it can be: txtName,txtName.Text, allow-alphabets-only The accordingly format if the user input is invalid he/she will be got prompt. Please suggest the right way to do the smae. Thanks in advance.

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  • how to detect sql server timeout from .NET application without using catch Exception

    - by haditeo
    Hi, In my current application, i am performing an update by invoking T-SQL Update command. The problem is when the same record is locked by other users at that time. At .NET application, the application will wait until SQL Server timeout, then it will throw the SqlException timeout. Is it possible to perform a check first whether a particular record is locked by other process rather than catching the exception ? Thanks, hadi teo Update : The SQL Server version used are 2000 and 2008

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  • arp protocol, mac and ip

    - by lolalola
    Hello, interested in ARP and wanted to check. ARP protocol is used found MAC and IP addresses, yes? How is it different from this: IPHostEntry iphostentry = Dns.GetHostByName(strHostName);

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  • How to retrieve Directories size including all sub-directories?

    - by vikingosegundo
    I have stored images from the net like this Documents/imagecache/domain1/original/path/inURI/foo.png Documents/imagecache/domain2/original/path/inURI/bar.png Documents/imagecache/... Documents/imagecache/... Now I'd like to check the size of imagecache including all it sub-directories. Is there a convenient way of doing it — preferable without crawling through all the data manually?

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  • MySQL database - backup problem

    - by Mike
    Hi I need to backup MySQL database and then deploy it on another MySQL server. The problem is, I need it backup without data , just script which creates database, tables, procedures, users, resets autoincrements etc. ... I tried MySQL administrator tool (Windows) and UNchecked "complete inserts check box", but it still created it ... Thanks in advance

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  • Android: How get the status-code of an HttpClient request

    - by Mannaz
    I want to download a file from and need to check the response status code (ie HTTP /1.1 200 OK). This is a snipped of my code: HttpGet httpRequest = new HttpGet(myUri); HttpEntity httpEntity = null; HttpClient httpclient = new DefaultHttpClient(); HttpResponse response = httpclient.execute(httpRequest); ... How do i get the status-code of the response?

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  • Strange Email Activity Ruby on Rails

    - by Stranger
    Environment.rb ActionMailer::Base.delivery_method = :sendmail ActionMailer::Base.sendmail_settings = { :address = "mail.example.org", :domain = "example.org", :port = 25, :authentication = :login, :user_name = "email+email.org", :password = "password" } ActionMailer::Base.perform_deliveries = true ActionMailer::Base.raise_delivery_errors = true ActionMailer::Base.default_charset = "utf-8" Development.log Sent mail to [email protected] Date: Sat, 17 Apr 2010 19:38:08 -0500 From: example.org To: [email protected] Subject: Hello Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 The process of sending email is ok but when I check my email I didn't recive any. What seems to be wrong?

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  • How to use "if clause" in xhtml?

    - by Mehmet Kaleli
    Hi , i am a newbie C# Programmer. I have a problem in xhtml. I want to check that if browser is IE6 or not. For example if ie6 then div id="div1" style="display:block;" else div id="div1" style="display:none;" How can i control my browser and use if clause in xhtml?

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  • How to define a predicate as a function argument

    - by devoured elysium
    I want to be able to write something as void Start(some condition that might evaluate to either true or false) { //function will only really start if the predicate evaluates to true } I'd guess it must be something of the form: void Start(Predicate predicate) { } How can I check inside my Start function whenever the predicate evaluated to true or false? Is my use of a predicate correct? Thanks

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  • Optimize date query for large child tables: GiST or GIN?

    - by Dave Jarvis
    Problem 72 child tables, each having a year index and a station index, are defined as follows: CREATE TABLE climate.measurement_12_013 ( -- Inherited from table climate.measurement_12_013: id bigint NOT NULL DEFAULT nextval('climate.measurement_id_seq'::regclass), -- Inherited from table climate.measurement_12_013: station_id integer NOT NULL, -- Inherited from table climate.measurement_12_013: taken date NOT NULL, -- Inherited from table climate.measurement_12_013: amount numeric(8,2) NOT NULL, -- Inherited from table climate.measurement_12_013: category_id smallint NOT NULL, -- Inherited from table climate.measurement_12_013: flag character varying(1) NOT NULL DEFAULT ' '::character varying, CONSTRAINT measurement_12_013_category_id_check CHECK (category_id = 7), CONSTRAINT measurement_12_013_taken_check CHECK (date_part('month'::text, taken)::integer = 12) ) INHERITS (climate.measurement) CREATE INDEX measurement_12_013_s_idx ON climate.measurement_12_013 USING btree (station_id); CREATE INDEX measurement_12_013_y_idx ON climate.measurement_12_013 USING btree (date_part('year'::text, taken)); (Foreign key constraints to be added later.) The following query runs abysmally slow due to a full table scan: SELECT count(1) AS measurements, avg(m.amount) AS amount FROM climate.measurement m WHERE m.station_id IN ( SELECT s.id FROM climate.station s, climate.city c WHERE -- For one city ... -- c.id = 5182 AND -- Where stations are within an elevation range ... -- s.elevation BETWEEN 0 AND 3000 AND 6371.009 * SQRT( POW(RADIANS(c.latitude_decimal - s.latitude_decimal), 2) + (COS(RADIANS(c.latitude_decimal + s.latitude_decimal) / 2) * POW(RADIANS(c.longitude_decimal - s.longitude_decimal), 2)) ) <= 50 ) AND -- -- Begin extracting the data from the database. -- -- The data before 1900 is shaky; insufficient after 2009. -- extract( YEAR FROM m.taken ) BETWEEN 1900 AND 2009 AND -- Whittled down by category ... -- m.category_id = 1 AND m.taken BETWEEN -- Start date. (extract( YEAR FROM m.taken )||'-01-01')::date AND -- End date. Calculated by checking to see if the end date wraps -- into the next year. If it does, then add 1 to the current year. -- (cast(extract( YEAR FROM m.taken ) + greatest( -1 * sign( (extract( YEAR FROM m.taken )||'-12-31')::date - (extract( YEAR FROM m.taken )||'-01-01')::date ), 0 ) AS text)||'-12-31')::date GROUP BY extract( YEAR FROM m.taken ) The sluggishness comes from this part of the query: m.taken BETWEEN /* Start date. */ (extract( YEAR FROM m.taken )||'-01-01')::date AND /* End date. Calculated by checking to see if the end date wraps into the next year. If it does, then add 1 to the current year. */ (cast(extract( YEAR FROM m.taken ) + greatest( -1 * sign( (extract( YEAR FROM m.taken )||'-12-31')::date - (extract( YEAR FROM m.taken )||'-01-01')::date ), 0 ) AS text)||'-12-31')::date The HashAggregate from the plan shows a cost of 10006220141.11, which is, I suspect, on the astronomically huge side. There is a full table scan on the measurement table (itself having neither data nor indexes) being performed. The table aggregates 237 million rows from its child tables. Question What is the proper way to index the dates to avoid full table scans? Options I have considered: GIN GiST Rewrite the WHERE clause Separate year_taken, month_taken, and day_taken columns to the tables What are your thoughts? Thank you!

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  • Java Equivalent to .NET's DateTime.Parse?

    - by Superdumbell
    I'm working on a java class that I will use with Pervasive Data Profiler that needs to check if a Date String will work with .NET's DateTime.Parse. Is there an equivalent class or 3rd party library that can give me this functionality that is very close to .NET's DateTime.Parse?

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  • How to make multiple queries with PHP prepared statements (Commands out of sync error)

    - by Tirithen
    I'm trying to run three MySQL queries from a PHP script, the first one works fine, but on the second one I get the "Commands out of sync; you can’t run this command now" error. I have managed to understand that I need to "empty" the resultset before preparing a new query but I can't seem to understand how. I thought that $statement-close; would do that for me. Here is the relevant part of the code: <?php $statement = $db_conn->prepare("CALL getSketches(?,?)"); // Prepare SQL routine to check if user is accepted $statement->bind_param("is", $user_id, $loaded_sketches); // Bind variables to send $statement->execute(); // Execute the query $statement->bind_result( // Set return varables $id, $name, $description, $visibility, $createdby_id, $createdby_name, $createdon, $permission ); $new_sketches_id = array(); while($statement->fetch()) { $result['newSketches'][$id] = array( "name" => $name, "description" => $description, "visibility" => $visibility, "createdById" => $createdby_id, "createdByName" => $createdby_name, "createdOn" => $createdon, "permission" => $permission ); $new_sketches_id[] = $id; } $statement->close; // Close satement $new_sketches_ids = implode(",", $new_sketches_id); // Get the new sketches elements $statement = $db_conn->prepare("CALL getElements(?,'',?,'00000000000000')"); // Prepare SQL routine to check if user is accepted // The script crashes here with $db_conn->error // "Commands out of sync; you can't run this command now" $statement->bind_param("si", $new_sketches_ids, $user_id); // Bind variables to send $statement->execute(); // Execute the query $statement->bind_result( // Set return varables $id, $user_id, $type, $attribute_d, $attribute_stroke, $attribute_strokeWidth, $sketch_id, $createdon ); while($statement->fetch()) { $result['newSketches'][$sketch_id]['newElements']["u".$user_id."e".$id] = array( "type" => $type, "d" => $attribute_d, "stroke" => $attribute_stroke, "strokeWidth" => $attribute_strokeWidth, ); } $statement->close; // Close satement ?> How can I make the second query without closing and reopening the entire database connection?

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  • What is wrong with my definition of Zip in Haskell?

    - by kunjaan
    -- eg. myzip [’a’, ’b’, ’c’] [1, 2, 3, 4] -> [(’a’, 1), (’b’, 2), (’c’, 3)] myzip :: Ord a => [a] -> [a] -> [(a,a)] myzip list1 list2 = [(x,y) | [x, _] <-list1, [y,_] <-list2 ] I get this error message: Occurs check: cannot construct the infinite type: a = [a] When generalising the type(s) for `myzip' Failed, modules loaded: none.

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  • hide javascript in php

    - by raja
    hi all i am working on a project, it need email validation when user enter his email address check for availiblity. i wrote the php code in javascript it works fine but my problem is when some see my page source it display all user email address in javascript code. i want hide this one. i wrote javascript code in seperate file but validation is not working. if any one hide how hide javascript code in php, guide me plzz. thanks

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  • how to store "2010-03-26 10:13:04 Etc/GMT" mysql?

    - by kkchaitu
    Hi All, I would like to store "2010-03-26 10:13:04 Etc/GMT" value in column of type datetime. when i try to insert it i got exception SQLException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '10:13:04 Etc/GMT', at line 1 how to insert data time with time zone. Thanks in advance. please help me its urgent.

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  • How do I enable spell checking within an NSTextField on Mac OS X?

    - by Luke
    I have an NSTextField that I would like to enable "as-you-type" spell checking. When I load my application I can do this from the Menu Bar Edit Spelling and Grammar Check Spelling While Typing. I would like this option to be enabled by default. Within IB I can enable this for a NSTextView but I would like to use NSTextField for this part of the UI. Thank you.

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  • Rails Association Question (addendum)...

    - by keruilin
    My original question and accepted solution was posted here: http://stackoverflow.com/questions/2483640/rails-association-question. Check that out first. My follow-up question is this: I want to return an object that has both the user attributes and the race attributes. That way I can access, for example, the user's name and the fastest_time. How can this be accomplished? I've tried several approaches, but none I've been satisfied with.

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  • GridView Events Clarification

    - by nettguy
    Recently I have been asked an interview question "What are the events order in GridView?". I explained Init() Loading() DataBinding() DataBound() RowCreated .... User interaction events like RowCommand,RowDeleting,RowUpdating PreRender -executes every time when the GridView is modified unload() I would like to check whether my answer is right or not.

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