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• When to use LinkedList<> over ArrayList<>?

  - by sdellysse

  I've always been one to simply use List<String> names = new ArrayList<String>(); I use the interface as the type name for portability, so that when I ask questions such as these I can rework my code. When should LinkedList should be used over ArrayList and vice-versa?

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• Huge Graph Structure

  - by Harph

  I'm developing an application in which I need a structure for represent a huge graph (between 1000000 and 6000000 nodes and 100 or 600 edges) in memory. The edges representation will contain some attribute of the relation. I have tried a memory map representation, arrays, dictionaries and string for represent that structure in memory, but this always crash because the memory limit. I would to get an advice of how can I represent this, or something similar. By the way, I'm using python.

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• Java FilePath Android

  - by user654460

  I have an android app that I am trying to get a file path for a SAX parser. I have the following structure: assets:(Where my xml file is) src(same level as assets) com msi androidrss(The calling java file is in here) I tried several variations of this: InputSource is = new InputSource("file://../../../../assets/Rss.xml"); But I always get a FNF Exception Any suggestions? Thanks

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• String Parsing in C#

  - by Betamoo

  What is the most efficient way to parse a C# string in the form of "(params (abc 1.3)(sdc 2.0)....)" into a struct in the form struct Params { double abc,sdc....; } Thanks EDIT The structure always have the same parameters (number and names).. but the order is not granted..

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• Where can I find the latest information/trends of the IT field?

  - by Mickey Shine

  I am always wondering is there such a place/site that I can find the latest information about IT?(follow some 'big' guys on twitter?) Sorry if this question is subjective but I am really interested in that

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• Casting a byte array to a struct pointer depends on endiannes or memory alignment?

  - by Petruza

  Suppose this code: unsigned char list[3] = { 1, 2, 3 }; struct _struct{ unsigned char a; unsigned char b; unsigned char c; } *s; s = ( _struct * ) list; Can I assume that always s->a == 1, s->b == 2, s->c == 3 ? Or it will depend on the system's endianness or memory alignment?

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• What is the difference between using IDisposable vs a destructor in C#?

  - by j0rd4n

  When would I implement IDispose on a class as opposed to a destructor? I read this article, but I'm still missing the point. My assumption is that if I implement IDispose on an object, I can explicitly 'destruct' it as opposed to waiting for the garbage collector to do it. Is this correct? Does that mean I should always explicitly call Dispose on an object? What are some common examples of this?

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• how to preserve inline HTML in RelaxNG-compact when converting to XSD via Trang

  - by mylex

  Simply trying to get the inline href below to not encode when run through Trang. The below run through Trang: ## See <a href="http://foo.org">foo</a> for more info .. always comes out as: <xs:documentation>See &lt;a href="http://foo.org"&gt;foo&lt;/a&gt; for more info</xs:documentation>

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• Casting a byte array to a struct pointer depends on endianness or memory alignment?

  - by Petruza

  Suppose this code: unsigned char list[3] = { 1, 2, 3 }; struct _struct{ unsigned char a; unsigned char b; unsigned char c; } *s; s = ( _struct * ) list; Can I assume that always s->a == 1, s->b == 2, s->c == 3 ? Or it will depend on the system's endianness or memory alignment?

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• Disable animations when ending search in iPhone

  - by camilo

  Hi. A quicky: is there a way to dismiss the keyboard and the searchDisplayController without animation? I was able to do it when the user presses "Cancel", but when the user presses the black "window thingy" above search field (only visible while the user hasn't inserted any text), the animation always occurs, even when I change the delegate functions. Is there a way to control this, or as an alternative, to disable the user to end searching by pressing the black window? Thanks in advance.

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• The explain tells that the query is awful (it doesn't use a single key) but I'm using LIMIT 1. Is th

  - by Ricardo

  The explain command with the query: explain SELECT * FROM leituras WHERE categorias_id=75 AND textos_id=190304 AND cookie='3f203349ce5ad3c67770ebc882927646' AND endereco_ip='127.0.0.1' LIMIT 1 The result: id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE leituras ALL (null) (null) (null) (null) 1022597 Using where Will it make any difference adding some keys on the table? Even that the query will always return only one row.

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• Finding a handle that persists when relaunching parent

  - by cidtek

  I need to interact with 3'rd party applications by knowing the handle of certain text fields, but the hWnd always changes when that window is recreated. Is there any method that would allow me to identify a window and repeatedly be able to access that window (even after it is closed and then reopened) without having the user manually identify the window? I need the user to be able to identify a window with the usual click, drag and release method but only have to do it once and not every time the target window is recreated.

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• Parsing a simple file

  - by Mike Graham

  I have a file consisting of lines of the form Foo="Some information" Bar="More" Starting with such a string, what is the best way to extract "Some information" and "More" as strings? Foo and Bar are always exactly those names.

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• iPhone ShouldStartLoad fires once per click?

  - by BahaiResearch.com

  In my UIWebView when an anchor is clicked I catch it in ShouldStartLoad and always return false to cancel it. (I treat the clicks as command to do things) Strangely the ShouldStartLoad only fires once if the same anchor is clicked more than once in a row. Eg: Click "A", Click "A" - ShouldStartLoad receives "A" once Click "A", Click "B", Click "A" - ShouldStartLoad receives "A", then "B" then "A" Is there a way to make ShouldStartLoad receive "A" twice when clicked twice in a row?

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• What does "stupid" in "Keep It Simple, Stupid" mean?

  - by Borek

  I'm not a native speaker and always thought that the last "S" in KISS is a "salutation", like calling me that way if I don't keep things simple. But Wikipedia states that KISS stands for "Keep It Simple and Stupid". Which is "correct" or at least makes sense to you? And yes, this is a stupid question :)

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• Python: why does `random.randint(a, b)` return a range inclusive of `b`?

  - by David Wolever

  It has always seemed strange to me that random.randint(a, b) would return an integer in the range [a, b], instead of [a, b-1] like range(...). Is there any reason for this apparent inconsistency?

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• Launchy launches an old version of Firefox instead of the latest version I have installed [closed]

  - by fastcodejava

  I cannot seem to be launch Firefox with launchy. It always brings up FF3.1 instead of the latest version I have installed. Any ideas?

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• How can I force a winforms app to use the fonts/fontsizes I specify on every machine?

  - by Matt

  How can I force a winforms app to use the fonts/fontsizes I specify on every machine? I have a c# app where the font seem to change in size on a different machine, and it's not a resolution thig. This is on windows 7 with a c# app. Is there a way to force the font size I want or do the user os fonts always overrule?

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• Unable to free const pointers in C

  - by lego69

  How can I free a const char*? I allocated new memory using malloc, and when I'm trying to free it I always receive the error "incompatible pointer type" The code that causes this is something like: char* name="Arnold"; const char* str=(const char*)malloc(strlen(name)+1); free(str); // error here

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• vim plugin FuzzyFinderTextMate error

  - by Tranquility

  I installed the vim plugin on many different ways. I try to start it with Ctrl-T but what I get is always that error: E492: Not an editor command: FuzzyFinderTextMate

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• Why Firebug Sucks At Real Time Html Editing?

  - by David

  Hi, i always like to real-time edit a web page source in the browser and updated as i type, but firebug really sucks, i can't insert scripts in the current page, some times the changes i type aren't updated at all, Is there any robust firefox/chrome extension for that? i try to temporarely edit/add code to an existing web page in the internet, not a local one Thanks

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• How can i Put java Scripts at the Bottom

  - by Hemant Kothiyal

  Hi, In my asp.net page, i am refring external javascript file. As per my learning in web, it's recommended that always put inline java script at the bottom of page. There is no information i get about external javascript refrence I want to know that if i am refing external javascript file then where should i write? Inside top of the page bottom after closing tag of

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• How do "modern JVMs" differ from older JVMs?

  - by Lord Torgamus

  Here's a phrase that I heard a lot throughout high school and university computer science classes: "That's not an issue for modern JVMs." Usually this would come up in discussions about overall performance or optimization strategies. It was always treated as a kind of magical final answer, though, as if it makes issues no longer worth thinking about. And that just leads me to wonder: what are the differences between the prototypical "modern JVM" and older JVMs, really?

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• Http request timed out only in GPRS/EDGE environment in Android phone

  - by virsir

  I am developing an Android app, it will connect to the internet to load some data back. I tested it with WIFI and it works well. But when I switched to use EDGE/GPRS, it always timed out, I have set a big timeout parameter for httpclient, but it did not help. Anyone have experienced this before?

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• Can JAXB generate a generic class?

  - by dinesh

  Can I get JAXB 2.0 XJC compiler to generate a generic class for me? Something as simple as:- public class Shape<T> { T myShape; // getter / setter } I see references for this in the spec but am not sure I'm reading it right. I always get Object references.

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