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• Why isn't the SQLiteOpenHelper called just SQLiteHelper?

  - by Emanuil

  The documentation describes the class as a helper object to create, open, and/or manage a database. Having that in mind wouldn't you say that the name is a little misleading?

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• Storing data locally and synchronizing it with data base on linux server

  - by Miraaj

  Hi all, I have developed a mac application, which is continuously interacting with database on linux server. As data is increasing it has become costlier affair in terms of time to fetch data from server. So I am planning to store required data locally, say on mysqlite and find some mechanism through which I can synchronize it with database on linux server. Can anyone suggest me some way to accomplish it? Thanks, Miraaj

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• How to hide all buttons in IE6 without hiding all inputs in a printing stylesheet?

  - by Dave

  Hi guys, Whats the easiest method of hiding all buttons but not all inputs (say drop down lists, text input boxes) in CSS that works with IE6. The purpose of this CSS file is for printing (using the media="Print" tag in the HTML).

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• Regular expression to extract text between two sets of characters (Javascript)

  - by optician

  I would like to extract some text between two points in a string, in Javascript Say the string is "start-extractThis-234" The numbers at the end can be any number, but the hyphens are always present. Ideally I think capturing between the two hypens should be ok. I would like the result of the regex to be extractThis

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• graphic imaginary numbers with vb.net

  - by every_answer_gets_a_point

  anyone have experience doing this? when i say imaginary i mean the square root of negative one. how would i graph this?

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• Remove all before certain delimiter starting at end of string PHP

  - by Belgin Fish

  Hey, I need help isolating part of a url in PHP. say I have http://www.test.com/something/something/important/ How could I isolate the "important" Thanks!

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• getURL, parsing web-site with german special characters

  - by Kay

  I am using getURL() and htmlParse() - how can I make web-site content with special characters to be displayed properly? library(RCurl); library(XML) script <- getURL("http://www.floraweb.de/pflanzenarten/foto.xsql?suchnr=814") doc <- htmlParse(script, encoding = "UTF-8") xpathSApply(doc, "//div[@id='content']//p", xmlValue)[2] [1] "Bellis perennis L., Gänseblümchen" # should say: [1] "Bellis perennis L., Gänseblümchen" > Sys.getlocale() [1] "LC_COLLATE=German_Austria.1252;LC_CTYPE=German_Austria.1252;LC_MONETARY=German_Austria.1252;LC_NUMERIC=C;LC_TIME=German_Austria.1252"

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• Using regex to add leading zeroes

  - by hgpc

  I would like to add a certain number of leading zeroes (say up to 3) to all numbers of a string. For example: Input: /2009/5/song 01 of 3 Output: /2009/0005/song 0001 of 0003 What's the best way to do this with regular expressions?

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• Stop form dropdown list from refreshing and losing index

  - by Idealflip

  Hello everyone I have a form, that includes a drop down list, and a submit button. The drop down list has 5 values. Let's say the user chooses value #3, then clicks submit. How would I prevent the drop down list from setting itself back to value #1? Thanks!

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• Detecting a change of IP address in Linux

  - by Joel Holdsworth

  Does anyone know a way to detect a change of IP address in Linux. Say I have dhcpcd running, and it assigns a new IP address, is there a way I can get a notification when it changes? inotify on something in /proc/net/ ?

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• WCF proxy: Do I need to create a new and different proxy for each binding?

  - by WCFDeveloper

  Hi, Let's say that I have created a WCF proxy from a WCF service (which is configured with wsHttpBinding) using Add Service (in Visual Studio 2008). Later I want to use basicHttpBinding so I'll go and change the WCF service to use basicHttpBinding. But what about the WCF proxy? Can I just change this via Web.config or do I need to create the WCF proxy again from the WCF service via Add Service? Thanks

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• How do you print raw UTF-8 characters from their numbers? [PHP]

  - by Xeoncross

  Say I wanted to print a ÿ (latin small y with diaeresis) from it's Unicode/UTF-8 number of "U+00FF" or hex of "c3 bf". How can I do that in PHP? Note: In order for it show correctly in a browser I know that the first step is header('Content-Type: text/html; charset=utf-8');

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• Do I have to call release on an objective-c retain class variable when setting it to a new object?

  - by Andrew Arrow

  Say I have: @property (nonatomic,retain) NSString *foo; in some class. And I call: myclass.foo = [NSString stringWithString:@"string1"]; myclass.foo = [NSString stringWithString:@"string2"]; Should I have called [myclass.foo release] before setting it to "string2" to avoid a memory leak? Or the fact that nothing is pointing to the first "string1" object anymore is good enough? And in the dealloc method [foo release] will be called.

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• Is it possible to virtualize war file execution without separate J2EE container deployments?

  - by Smith

  Let's say I want to allow my developers to upload their war files to a web app (not the application server itself) running on our intranet and that web app would then run those wars as if they were separate apps deployed individually in our J2EE container. In other words, we are not actually deploying the wars as separate apps in the container - they are simply running side-by-side inside this one web app that acts like a J2EE container. Is that possible? Something like a war virtualization app?

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• Does Oracle re-hash the driving table for each join on the same table columns?

  - by thecoop

  Say you've got the following query on 9i: SELECT /*+ USE_HASH(t2 t3) */ * FROM table1 t1 -- this has lots of rows LEFT JOIN table2 t2 ON t1.col1 = t2.col1 AND t1.col2 = t2.col2 LEFT JOIN table3 t3 ON t1.col1 = t3.col1 AND t1.col2 = t3.col2 Due to 9i not having RIGHT OUTER HASH JOIN, it needs to hash table1 for both joins. Does it re-hash table1 between joining t2 and t3 (even though it's using the same join columns), or does it keep the same hash information for both joins?

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• django forms overwrite data when saved

  - by dana

  If a have a form, with the data from a user, let's say a CV, and i save the data from the form into a database, but i don't want that a CV from the same user to be stored in the database more than once(when edited form instance) I want it to be overwritten every time it is saved by one same user. How can i do it? thanks a lot

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• javascript and css loadings

  - by Mike

  I was wondering, If I have, let's say 6 javascripts includes on a page and 4-5 css includes as well on the same page, does it actually makes it optimal for the page to load if I do create one file or perhaps two and append them all together instead of having bunch of them?

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• How to do an alphnumeric sort in R

  - by cbare

  Is there an alphanumeric sort for R? Say I had a character vector like so: > seq.names <- c('abc21', 'abc2', 'abc1', 'abc01', 'abc4', 'abc201', '1b', '1a') I'd like to sort it aphanumerically, so I get back this: c('1a', '1b', 'abc1', 'abc01', 'abc2', 'abc4', 'abc21', 'abc201') Does this exist somewhere, or should I start coding? Thanks, -chris

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• Binding to save value of a text input to Settings.settings registry in XAML?

  - by Jeff Dahmer

  Let's say we have a text field named TXTBLAH and a setting named SETTINGBLAH Is there anyway to write in XAML markup that whenever the text field BLAH gets updated to write that to the registry, and also when the form loads is there a XAML binding to restore it?

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• Storing "derived" values vs calculating them on extraction

  - by kemp

  When you have values which only depends on one or more other fields +/- constants (say retail price & discount price), is it better to store those values too or to calculate them "on the fly" when retrieving the data?

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• how to start learning JavaScript

  - by antriksh

  Dear All, I am experienced in the technical support like Linux, oracle, sunos etc and but if i say scripting i know little bit of bash. Now i promoted to manage technical engineers including some JavaScript developers, so i want to learn JavaScripting so that i can understand engineers. Hope you understand. Can you please advise me how can i start JavaScripting and point me to some simple docs and examples.

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• How can i access the templates of controls and modify them in vb.net

  - by enitzer

  Where and how do i look for to access the default templates of say for e.g a checkbox, so that i can modify few styles in it.

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• How can I find the most recent month end date with Joda time?

  - by ppTaylor

  Say a month end date is the date in a month which is the last non-weekend and non-holiday day in that month. How can I find the most recent past month end date with Joda time? For example, the answer for today would be Friday 28th May because that was May's month end and May was the most recent month to end.

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• Change or create URL mapping dynamically in Grails

  - by firnnauriel

  How can i modify the Url mappings in Grails dynamically? Let's say I have this in my UrlMappings.groovy: "/"(controller:'home') At some point or event in the app, I want to change it to: "/"(controller:'url') Is this possible? Thanks!

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• Hide extensions of the pages when hosted

  - by Hulk

  All, I had a question on hosting.I have Pages that are written in php or JSP and is hosted on a server .And if a user enter say http://x.com in the browser, the main.php or main.asp page will be displayed.My question is there a way to hide the extensions.. Thanks...........

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