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• How to check the value entered in EditText is aplhanumeric or not?

  - by rob

  My application takes userid from user as input, the userid is alphanumeric i.e just the first character is (a-z), other part is numeric. How can I validate input of this type ( like G34555) ?

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• How to check if a variable exists in a FreeMarker template?

  - by Don

  Hi, I have a Freemarker template which contains a bunch of placeholders for which values are supplied when the template is processed. I want to conditionally include part of the template if the userName variable is supplied, something like: [#if_exists userName] Hi ${userName}, How are you? [/#if_exists] However, the FreeMarker manual seems…

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• Is there a way in PHP to check if a directory is a symlink?

  - by tixrus

  The title says it all. I have symlinks to certain directories because the directories' names have non English characters that I got fed up trying to get apache's rewrite rules to match. There's a bounty on that question http://stackoverflow.com/questions/2916194/trouble-with-utf-8-chars-apache2-rewrite-rulesif anyone wants to go for it, and from…

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• How to check if a Statistics is auto-created in a SQL Server 2000 DB using T-SQL?

  - by The Shaper

  Hi all. A while back I had to come up with a way to clean up all indexes and user-created statistics from some tables in a SQL Server 2005 database. After a few attempts it worked, but now I gotta have it working in SQL Server 2000 databases as well. For SQL Server 2005, I used SELECT Name FROM sys.stats WHERE object_id = object_id(@tableName)…

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• Web app that contains a check-list based task management UI?

  - by meder

  I'm looking to develop my own task application so I'm trying to study the UI of any possible in-browser apps that have some sort of functionality which has an ordered list where items can be tagged as "done" and they either get color-highlighted or move into a "DONE" column. By the way, the area would be a tinyMCE or similar editable area and…

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• in java, how to check whether a string is parsable into Long without try-catch?

  - by Sergey

  Hello, Long.parseLong( string ) throws an error if string is not parsable into long. Is there a way to validate the string faster than using try-catch? Thanks

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• Check which nodes of Beowulf HPC cluster system are free from PHP app?

  - by Skuja

  I am working on my diploma thesis project. I have access to 32Node Dell poweredge HPC cluster system with Linux(Debian i think) installed on it. My first goal is to create web (PHP) app where logged users could see free and busy nodes, turn them on and off. I am planning to do something like this - write some cron daemon that would run every…

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• How to check if a domain name has been taken with PHP?

  - by coderex

  How can I write a program in php to get the domain information of an existing domain or if a domain name is already taken...? I would like to get the information using php.

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• How can I check the version of an assembly then delete the assembly?

  - by Nescio

  I am using the FileVersionInfo to retrieve the version of a .Net assembly. Then, I want to immediately delete the file. Unfortunately after I call GetVersionInfo, any attempt to delete the file results in an error “…in use by another process…” Is there another technique to determine the version that does not lock the file? Or, is it…

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• python and paramiko: how to check if end of ssh tunnel is still alive and reestablish if not?

  - by Christian

  Hello all, I'm trying to achieve the following: I have two hosts A and B. A establishes a remote port forwarding tunnel on B, i.e. B is the one a port is forwarded on to some where else and A is the one that sets up the tunnel. I tried the script rforward.py that ships with paramiko and it works very well so far. (I'm running…

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• Why this Either-monad code does not type check?

  - by pf_miles

  instance Monad (Either a) where return = Left fail = Right Left x >>= f = f x Right x >>= _ = Right x this code frag in 'baby.hs' caused the horrible compilation error: Prelude> :l baby [1 of 1] Compiling Main ( baby.hs, interpreted ) baby.hs:2:18: Couldn't match expected type…

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• How can I check that the NSPasteboard is updated?

  - by Ben Packard

  I'm automating a copy command to place some text on the pasteboard every second or so - unfortunately this is my only way of accessing the text, which is in another application. After copying, I access the pasteboard text and process it. Sometimes, the copy command will be sent when nothing is selected - for example in…

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• Completion block not being called. How to check validity?

  - by HCHogan

  I have this method which takes a block, but that block isn't always called. See the method: - (void)updateWithCompletion:(void (^)(void))completion { [MYObject myMethodWithCompletion:^(NSArray *array, NSError *error) { if (error) { NSLog(@"%s, ERROR not nil", __FUNCTION__); …

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• how to check from JavaScript if loaded page has ASP.NET authentication cookie?

  - by Cherven

  It looks like JavaScript does not have access to authentication cookies ('ASP.NET_SessionId', '.ASPXFORMSAUTH') in the http headers I can see cookies but document.cookie object does not have them.

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• How to check if a integer is sum of given integers?

  - by p3trix

  Lets say I have a integer result and an array of integers, lets say [a,b,c] (not a fixed length). I need to detect if result=a*i +b*j + c*k, with i,j,k=0. I prefer a solution in C/C# if it is possible. PS The problem is from a reservation system, a trip can be sold if its durations is a combination of given…

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• Rspec Selenium. Test to check certain Ajax functions passes when i expect it to fail.

  - by alokswain

  I am testing a Ajax action using Rspec and Selenium. My story is as follows: it "should create a new User with any input" do @browser.open "/people" @browser.wait_for_page_to_load "2000" @browser.type "user_name", "Alok Swain" @browser.click "user_submit" @browser.text?("Alok Swain").should be_true end …

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• How to not check in Eclipse specific project files?

  - by futlib

  I don't want to force people into using a specific IDE for development, so our projects look basically like this: SomeProject src lib build.xml No IDE specific files whatsoever. However, many people prefer Eclipse and it is their valid complain that it is annoyingly difficult to set up an Eclipse…

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• What's the fastest way to check the availability of a SQL Server server?

  - by mwolfe02

  I have an MS Access program in use in multiple locations. It connects to MS SQL Server tables, but the server name is different in each location. I am looking for the fastest way to test for the existence of a server. The code I am currently using looks like this: ShellWait "sc \\" & ServerName…

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• Check from Constructor if function in child class exists?

  - by ArneRie

  Hi, is it possible to do something like this in PHP 5.2.1? abstract class Test { public function __construct() { if (function_exists('init'): $this->init(); } } If i try this, the function on the subclass is not called?

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• How to check visibility of multiple div's in simpler way?

  - by jaan

  Currently i'm using below code which works well. $("#topperAtBaseLevel:visible, #lowerAtBaseLevel:visible").hide(); any optimised code? i mean how to use :visible rightly?

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• how to check whether some entered InnerText is present in an XML or not and to give an exception?

  - by Damodar

  Hey all, I have written a code in C# - XML which checks whether a value is there or not in a given XML document and prints the value and the particular tag associated with the value. When we enter the Value of the Inner Text it will look for the value in the document and find it. I dont understand…

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• Why check if your popoverController is nil? Doesn't Obj-C ignore messages to nil?

  - by Rob Fonseca-Ensor

  Pretty much everyone that writes about the UISplitView on the iPad uses the following code structure to dismiss a popover: if (popoverController != nil) { [popoverController dismissPopoverAnimated:YES]; } I though Objective-C was happy to ignore messages that are passed to nil? In fact, in…

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• Would you use a UITableViewController to implement a check list on the iPhone?

  - by Tony

  I am creating an application that will have a list of items that can be checked. I just implemented it as a Table View by subclassing UITableViewController. Now I am realizing that since individual items don't have a child view (i.e. clicking on an item "Dinner" does not need to pull up a child…

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• Grabbing rows from MySql where current date is in between start date and end date (Check if current date lies between start date and end date)

  - by Jordan Parker

  I'm trying to select from the database to get the "campaigns" that dates fall into the month. So far i've been successful in grabbing rows that starts or ends inside the current month. What I need to do now is select rows that start in one month and ends a few months down the line ( EG: It's the…

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• How do you check the date for April 1st so my websites unicorn prank happens at the correct time?

  - by Holograham

  How do I do this in C#? currentDate == 04/01/2010 ??? Thanks guys its really important to time my prank.

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