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• How to build a tree from a list of items and their children recursively in php?

  - by k1lljoy

  I have a list of items stored in the DB, simplified schema is like this: id, parent, name I need to generate a tree structure (in a form of a multi-dimensional array) that can be infinite levels deep. Top level items would have parent = 0. Next level down would have parent equal to the the id of the parent item, fairly straight forward. What would be the best way to do this, while consuming as little resources as possible?

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• How to create an array, array list, array stack and array queue in Java?

  - by theband

  I was reading a Java article, but found no differences in the declaration and was confused over. Can anyone list me out this?

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• What's the simplest way to make a scrollable list of controls with labels?

  - by Jon Cage

  Using C++/CLI and Windows Forms, I'm trying to make a simple scrollable list of labelled text controls as a way of displaying some data fields. I'm having trouble making a TableLayoutPanel scrollable - every combination of properties I've tried seems to result in some really peculiar side effects. So I have two questions: Is this the best way to do it. If it is a reasonable approach, what magic combination of settings should I apply to the table layout panel to make it play ball?

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• What are the list of Patterns and Principals the programmer must/should know?

  - by pang

  I have been doing code for a few years and still feeling that my knowledge still not broad enough to become a professional. I have studied some books related to Design Pattern but I know there are many others. So could anyone list the one which you think it is good to learn to become a better programmer and more professional? Programming Languages I work on : C# , Ruby, Javascript

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• How to set HTML list as mx:DataGrid data provider?

  - by Ole Jak

  So I have Html like this http://trac.edgewall.org/wiki/RecentChanges (I want to create some Flash Track reader which will be opensource) I need to list in my DataGrid Index of all viki pages in form like +-----------+--------+ |page name |page url| +-----------+--------+ | name | url | +-----------+--------+

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• Maximal Length of List to Shuffle with Python random.shuffle?

  - by Henrik

  I have a list which I shuffle with the Python built in shuffle function (random.shuffle) However, the Python reference states: Note that for even rather small len(x), the total number of permutations of x is larger than the period of most random number generators; this implies that most permutations of a long sequence can never be generated. Now, I wonder what this "rather small len(x)" means. 100, 1000, 10000,... Can anybody clarify? Thanks!

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• What is a "could not find type System.Collections.Generic.List" in the .NET Designer?

  - by WindyCityEagle

  I've got a WinForms project that I've had for quite some time, and now suddenly, I can't open the designer anymore and when I try to open the designer I get an error that says could not find type 'System.Collections.Generic.List' All of the code builds just fine, but I can't use the designer anymore, and I don't know what happened, nor do I have any idea where to look to solve the problem. Has anyone ever run into this or have any insight?

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• Need to use dnscmd to modify the ttls of a list of records..

  - by Alan

  Hi, I have a list of records that all need their individual TTLs modified. I can't seem to find a way with this odd syntax to do so, however. Any recommendations? Would I have to delete them all and then re-add after with the correct settings? I can't seem to find a "modifyrecord" option unfortunately :(

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• Is there a way to get a list of all installed iphone apps?

  - by blauesocke

  Hi, is there a possibility to get a list of all installed apps in my app? I don't need all information of the installed apps, but a title or an "id" would be great. Thanks!

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• Where can i find a list of "Microsoft OS Descriptors" for USB?

  - by jyoung

  I am trying to find a list of "Microsoft OS Descriptors" for USB. The best I could do is find a reference to "Appendix 1 of Extended Compat ID OS Feature Descriptor Specification". Of course I can not find this either. Any ideas?

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• Is there a comprehensive list of the NHibernate event listeners and when they actually fire?

  - by snicker

  So I am looking for a nice list of NHibernate events that actually describes when they are fired, in a typical scenario. IE something like PreUpdateEventListener - Fires when an object that is already persistent is changing I currently just rifle through the source and try to figure it out, but it's kinda painful, and I figure that someone must have done this already at some point.

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• How to do like this list using <li> and CSS?

  - by Tom

  Hi, i want to make an stylized unordered list like the following, but i don't want it to be completely divs, i want to use the <li> & <ul> tags and maybe a div if it's necessary. Any sample code to make like this ? Thanks

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• How to iterate over the first n elements of a list?

  - by Bialecki

  Say I want I've got a list and I want to iterate over the first n of them. What's the most concise way to write this in Python?

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• How to use C# Regular Expression to get the match number list?

  - by Mike108

  string inputText = "abc13500008888, *a1c13688886666abc mm13565685555**" ; How to use C# Regular Expression to get the match number list? The rule is that is a 11 continuous number and the first letter is 1. The results should be: 13500008888 13688886666 13565685555

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• Is there a list of all SO alike sites? [closed]

  - by Babar

  Hi, There are many sites providing services similar to SO. For example http://careeroverflow.com/ and http://mathoverflow.net/. Is there some kind of list of ...overflow.com's?

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• How to get a list of the latest revision number for each file in a Mercurial repository?

  - by Kimble

  I have made a build system for my web application that's rewriting all resource url's to include the file's revision number (to improve client caching). As of today I'm running this command for each file to get the revision number: hg log --template '{rev}\n' path-to-file Executing hg for each file is really time consuming. Is there a fast way to list all files in a repository with the latest revision number?

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• speed of map() vs. list comprehension vs. numpy vectorized function in python

  - by mcstrother

  I have a function foo(i) that takes an integer and takes a significant amount of time to execute. Will there be a significant performance difference between any of the following ways of initializing 'a': a = [foo(i) for i in xrange(100)] , a = map(foo, range(100)) , and vfoo = numpy.vectorize(foo) vfoo(range(100)) ? (I don't care whether the output is a list or a numpy array). Is there some other better way of doing this? Thanks.

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• how to display the list of records in the same form page below form, as every time record is submitt

  - by OM The Eternity

  I have a form with 3 text values and one image.. I want to save these values such that i can display these records in the list below.. hoe can i do that... I am using osCommerce

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• A concise, clear list of what is new in JPA2?

  - by Benju

  Does anybody know of a good list of what is new in JPA 2? Not what is new with Hibernate/TopLink in the version that supports JPA 2 but what is new in the actual spec.

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• Is it advisable to store things such as list of cities on the db?

  - by grokker

  Hi I'm using CakePHP and I'm wondering if it's advisable to store things that don't change a lot in the database lik the list of cities?

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• How Can I Create a Bound List of RadioButtions with ToolTips in Xaml?

  - by BSalita

  I want to create a list of logically related RadioButtons. The RadioButtons are bound for MVVM use. There's ToolTips on each RadioButtons.

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• How to loop through the ChartColorPalette properties and add to list?

  - by John M

  I am using the Microsoft Chart Controls for .NET 3.5 (C#) and have a chart in a winform. My hope is to allow the user to change the color palette based on their preference. How do I iterate through the color properties of the ChartColorPalette and add them to a combobox list? I know it should be something like: for each(something in ChartColorPalette) { combobox.items.add(something.ToString); }

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• What reasons for developers to write open source project can you list?

  - by sashaeve

  What key reasons for software developers can you list so they will decide to make its products as open source (I don't mean products just for fun but real products)?

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• How to get a list of programs that have connected to the Apache socket?

  - by candoyo

  I have a LAMP server running. External services connect to this server (services running on iPhone). I want, from a php script, to get a list of all the services that have connected to the Apache server... How do I do it? Should I use fsockopen? Any help would be greatly appreciated.

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• jQuery: What to do with the list that sortable('serialize') returns?

  - by bartclaeys

  With jQuery I'm retrieving positions of a sortable list using 'serialize', like this: var order = $('ul').sortable('serialize'); The variable 'order' then receives the following: id[]=2&id[]=3&id[]=1&id[]=4&id[]=5 Now how can I use this data in an ajax call? This is how I plan to do it, but it's ugly and I can't change the parameter name 'id': $.post('ajax.php?'+order,{action:'updateOrder'}); Maybe I need to unserialize, then implode the variable 'order' and assign it to just one parameter?

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