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  • Android @Override usage

    - by BahaiResearch.com
    (Newbie to Java, old time C# guy.) I have noticed a lot of the use of @Override in Android example code. I thought that all Java methods were by default "Virutal"? What then does @Override do? Example: private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }

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  • Print a file skipping X lines in Bash

    - by Eduardo
    Hi I have a very long file which I want to print but skipping the first 1e6 lines for example. I look into the cat man page but I did not see nay option to do this. I am looking for a command to do this or a simple bash program. I know how to do it using a program in C but I want to do it using the common commands. Any way to do it? Thanks a lot in advance..

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  • Using [self method] or @selector(method)?

    - by fuzzygoat
    Can anyone enlighten me as to the differences between the two statements below. [self playButtonSound]; AND: [self performSelector:@selector(playButtonSound)]; I am just asking as I had some old code that used @selector, now with a little more knowledge I can't think why I did not use [self playButtonSound] instead, they both seem to do the same as written here. gary

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  • GLUT multiple Windows and OpenGL context

    - by user3511595
    I would like to use GLUT 3.7 Window Toolkit in a program written in php because i saw that there was a binding in php. I am interesting in having multiple windows ! In order to have a clean code, i was wondering to separate on the one hand the window toolkit and on the other hand the OpenGL implementation. I hope that i can program event with the glut callbacks in php then the application get the events and can interacts ! But i don't know how to draw in each window from php with opengl ? They say in the man page that each glut window has an opengl context. How to get each context ? Can i render offscreen with each context ?

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  • HibernateTemplate alwaysUseNewSession

    - by DD
    Hi, I had a problem where I was using the hibernate template to do most of my DB work but I had a part of the system that directly accessed the session to do batch persisting. I noticed that the hibernate template session was old and would be storing cached values which didnt take into account the objects save with the session directly. What are the drawbacks of using alwaysUseNewSession? This fixes the problem as I always get up-to-date objects. Thanks.

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  • memcached vs. internal caching in PHP?

    - by waitinforatrain
    Hey, I'm working on some old(ish) software in PHP that maintains a $cache array to reduce the number of SQL queries. I was thinking of just putting memcached in its place and I'm wondering whether or not to get rid of the internal caching. Would there still be a worthwihle performance increase if I keep the internal caching, or would memcached suffice?

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  • Upgrading From EF 4x to 6 breaks everything

    - by dan h
    Attempted to upgrade my project from EF4 to EF6, I get build errors It appears that if i swap out the namespaces manually to include the entity.core it works, but if i change the .edmx file at all, the code reverts back to the old references and i have to manually edit the code generation files to include the update namespace references. I have attempted to "add code generation item" that does not resolve the issue at all. When i open the .edmx file in the IDE it shows me everything correctly.

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  • Javascript wrappers for Twitter

    - by Ravi Vyas
    I am planning to build a JS based twitter client. Information about libraries/clients is pretty old on other SO Questions. I was wondering if anyone has come across wrappers other than Spaz and TwitterHelper. Thanks :-)

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  • Established javascript solution for secure registration & authentication without SSL

    - by Tomas
    Is there any solution for secure user registration and authentication without SSL? With "secure" I mean safe from passive eavesdropping, not from man-in-the-middle (I'm aware that only SSL with signed certificate will reach this degree of security). The registration (password setup, i.e. exchanging of pre-shared keys) must be also secured without SSL (this will be the hardest part I guess). I prefer established and well tested solution. If possible, I don't want to reinvent the wheel and make up my own cryptographic protocols. Thanks in advance.

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  • Combination USB Drive / Bluetooth Adapter Device

    - by ghawkes
    I am looking for a combination USB device that is both a flash drive and a Bluetooth adapter. Has anyone seen an item like this available recently? I found some old articles circa 2004 but could not find anything current. Could anyone recommend a company or service that could help me find an item like this? Thank you, - G

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  • Windows Phone 7 Tab Pages (page cycle)

    - by cw
    I know.. I know, it's only a few hours old. But how the hell do you get the little page tabbing/cycle (forgot what the official name is) on the top of the page under the app title. MIX Keynotes made it look like it was a control (or at least what I saw, was @ work). Anyone who made MIX or knows how they are doing this, it'd be cool to get an answer. Thanks!

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  • Beginner C: error: control reaches end of non-void function?

    - by Ting
    I'm trying to make a greedy algorithm and I get this error: greedy2.c:27:1: error: control reaches end of non-void function [-Werror,-Wreturn-type] } ^ 1 error generated. with this code: int man(int argc, char* argv[]) { float amount; do { printf("Input dollar amount owed:\n"); amount = GetFloat(); } while (amount <= 0); int coins = 0; while (amount >= 0.25); { amount = amount - 0.25; coins++; } printf("Number of coins to use: %d\n", coins); } What is wrong with my curly braces, and how do I fix it?

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  • Why does 99.99 / 100 = 0.9998999999999999

    - by the-locster
    Whereas 99.99 * 0.01 = 0.99 Clearly this is the age old floating point rounding issue, however the rounding error in this case seems quite large to me; what I mean is I might have expected a result of 0.99990000001 or some similar 'close' result. And for the record I got the same answer in a JavaVM and in a .Net environment.

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  • how to add a map into a gui axis button?

    - by tharani.t
    hi i m working on matlab GUI. in GUI axis button i placed some concentric circles. now i want to place one map on the same axis. then on that map i want to draw my concentric circles. my map shouldnt disturb my old events. plzzzzzzzzzzzzz find me one good solution.

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  • How to modify TaskDialog's Show() call to be blocking and return a value when closed?

    - by JustABill
    I'm using the WindowsAPICodePack's TaskDialog implementation, but it bugs me that I have to listen to click handlers on its buttons for even the more basic implementations. I'd like to convert/wrap it so that like the old MessageBox it blocks until closed and then returns a value based on what was done. Is there anything I can read for the basics on how to do this? I just have no idea where to even start, as I am admittedly not that familiar with the Win32 underpinnings.

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  • How to discover getters and setters on hibernate objects

    - by Michael Jones
    I need to find a way of taking a hibernate object and discovering at runtime all of the getter methods that relate to persistable fields. I'm using annotations in the classes but have previously had difficulties working with them (I ran into a 2 year old bug the java developers still haven't fixed). Does anyone know how I can do this please, ideally without using annotations? Thanks. PS - What I'm trying to do here is to update a new object with values from an existing object dynamically.

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  • Python new-style classes and __subclasses__ function

    - by Fraser Graham
    Can somebody explain to me why this works (in Python 2.5) : class Foo(object): pass class Bar(Foo): pass print(Foo.__subclasses__()) but this doesn't : class Foo(): pass class Bar(Foo): pass print(Foo.__subclasses__()) The latter returns "AttributeError: class Foo has no attribute '__subclasses__'" but i'm not sure why. I know this is related to old-style vs. new-style classes but i'm not clear on why that would make this functionality unavailable.

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  • is there anyway to clear the content before loading ajax tab in jquery ui

    - by ooo
    jquery ui tabs supports loading content through ajax here but if i have already loaded previous content and i click on it again, it stays on the old content until the new content is fully loaded is there anyway to clear the content right when you click the tab so its clear that a new set of content is loading. I see there is a load event but this fires after the new content is loaded. i need a beforeload event or something like that any suggestions?

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  • validation message display repeatedly

    - by Raam
    hello, in struts2, i create a simple appln.I use client side validation(using ActionClass-Validation.xml),when i get validation error it displays the message well..but a error repeatedly occur it display the old and new message again and again..how can i solve the issue? user name: xxx password error password error password : Button thankss

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