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• What is the preferred way to read/write content from a URL in Java

  - by jW

  What is the preferred way to open a connection to a website and then subsequently read the information on that page? There seem to be many specific questions about different parts, but no clear and simple examples.

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• Difference of using int and uint and when to use

  - by ThickBook

  What is the difference between using int and uint? All the examples I have seen so far are using int for integers. Any advantage of using uint? Thanks.

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• How many iptables block rules is too many

  - by mhost

  We have a server with a Quad-Core AMD Opteron Processor 2378. It acts as our firewall for several servers. I've been asked to block all IPs from China. In a separate network, we have some small VPS machines (256MB and 512MB). I've been asked to block china on those VPS's as well. I've looked online and found lists which requires 4500 block rules. My question is will putting in all 4500 rules be a problem? I know iptables can handle far more rules than that, what I am concerned about is since these are blocks that I don't want to have access to any port, I need to put these rules before any allow. This means all legitimate traffic needs to be compared to all those rules before getting through. Will the traffic be noticeably slower after implementing this? Will those small VPS's be able to handle processing that many rules for every new packet (I'll put an established allow before the blocks)? My question is not How many rules can iptables support?, its about the effect that these rules will have on load and speed. Thanks.

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• VB.net SyncLock Object

  - by Budius

  I always seen on SyncLock examples people using Private Lock1 As New Object ' declaration SyncLock Lock1 ' usage but why? In my specific case I'm locking a Queue to avoid problems on mult-threading Enqueueing and Dequeueing my data. Can I lock the Queue object itself, like this? Private cmdQueue As New Queue(Of QueueItem) ' declaration SyncLock cmdQueue ' usage Any help appreciated. Thanks.

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• How do I assign functions in a dictionary?

  - by Ziv

  hi, I'm having a problem with a simple program I wrote, I want to perform a certain function according to the users input. I've already used a dictionary as a replacement for a switch to do assignment but when I try to assign functions to the dictionary it doesn't execute them... The code: def PrintValuesArea(): ## do this def PrintValuesLength(): ## do that def PrintValuesTime(): ## do third PrintTables={"a":PrintValuesArea,"l":PrintValuesLength,"t":PrintValuesTime} PrintTables.get(ans.lower()) ## ans is the user input what did I do wrong? It looks the same as all the examples I've seen....

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• Is it possible to Load hbm.xml info at app startup instead of via an embedded resource?

  - by Daniel Auger

  All of the NHibernate examples I've see that use hbm files have the hbm.xml file set as an embedded resource with "do not copy" chosen in the file properties. This means that if a database column name were to change in production, the app would have to be recompiled with the changes in the hbm.xml file during build time. Is there any way to make NHibernate load the hbm.xml files from the file system at application startup instead of using an embedded version?

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• How to Join N live MP3 streams into 1 using FFMPEG?

  - by Ole Jak

  How to Join N live MP3 streams (radio streams like such live KCDX mp3 stream http://mp3.kcdx.com:8000/stream ) into 1 using FFMPEG? (I have N incoming live mp3 streams I vant to join them and stream out 1 live mp3 stream) I mean I wanna to mix sounds like thay N speakers speak at the same time (btw N stereo to 1 mono), please help BTW: My problem is mainly how to make FFMPEG read from stream not from file... Would you mind giving some code examples, please...

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• How can I make XSLT work in chrome?

  - by Eric

  I have an XML document here that is served with a corresponding XSL file. The transformation is left to be executed client-side, without JavaScript. This works fine in IE (shock horror), but in Google Chrome, just displays the document's text nodes. I know that it is possible to do client-side XSL in Chrome, as I have seen examples of it, but I am yet to be able to replicate this success myself What am I doing wrong?

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• Facebook "like" button for blogger

  - by Veraa

  Hi, i have been looking for a javascript code which is like the facebook "like" widget to put in my blogger site. The examples of the buttons are like in the following website, http://textsfromlastnight.com/ Where people are able to flag the "Good Nights" or "Bad Nights". I have no experienced in writing scripts neither do i have any script writing programs, so was wondering if any people can help with the scripts, or maybe tutorials would be of great help! Thanks!

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• Where I can download

  - by Sorrybyenglish

  Where I can download source codes of sites on clear OOP without Frameworks or Cms? For best studying system of OPP and with perfect code where should I focus my coding style? I can learning only on examples of code whatever but i dont need script I need all site code entirely with Database data and with setting up Apache. Thanks everyone. Sorry by my English )) P.S can you advice to me what Projects with advantages? Exactly ;p

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• What API to use for uploading images to a Rails based website from an iPhone application?

  - by wgpubs

  Looking at using either ObjectiveResource or ASIHTTPRequest ... Which is superior for uploading images? Or is there a better option??? Are there any examples of using either or both to upload images (or any other binary content)? Thanks

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• Have an example using the CaliberRM API with C or C++ ?

  - by TridenT

  I'm trying to build a simple tool to gather statistics from a CaliberRM server. I've got the API description with examples for VB and Java, but nothing for C or C++. Does anyone have a simple example to start with ? A kind of : Connect to a database (caliberRM server) get number of requirements ... that's all.

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• RoR - Associations into practise - forms (View)

  - by NicoJuicy

  I'm learning Ruby on Rails. I'm using some associations (has_many :through, ...) But i'm having some problems with it when i'm combining my views. How exactly do i combine these nested forms? Can i do this with partial forms and where do i have to write extra code for this? I have seen examples only use the "view" and others also edit the controller.... An example would be very nice :-)

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• Creating custom/intutive layout for controls

  - by LibraRocks

  Hi, I have an address control which display the contact info of the person. so it displays something like 1234, street City, CA 12345 Now i want to give user flexibility to create format out of it. For ex someone might want to display address as, street, City, Country OR Just display their emails: [email protected] [email protected] Any good ideas on how to it or similar examples? thanks

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• a function that returns a random number that is a multiple of 3 between 0 and the function's non-negative integer parameter n

  - by martin

  I need to write a function called multipleOf3 that returns a random number that is a multiple of 3 between 0 and the function's non-negative integer parameter n and here is the result i want [Note: No number returned can be greater than the value of the parameter n] Examples: multipleOf3(0) -- 0 multipleOf3(1) -- 0 multipleOf3(2) -- 0 multipleOf3(3) -- 0 or 3 multipleOf3(20) -- 0 or 3 or 6 or 9 or 12 or 15 or 18

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• Is there an open source MVP framework for C++?

  - by morpheous

  I am looking for a lightweight set of C++ classes that implement/show how to use the MVP design pattern, so that I can refactor some legacy code I am working on. A library/framework would be nice to get me started. A quick google search seems to bring up only C# examples - is anyone aware of any C++ ones out there? [Edit] I am particularly interested in a Passive viewer, as I want to completely decouple the view from the model.

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• Multiple button presses for Android 2.x

  - by Pat

  I am relatively new to this still, and I have been developing a small app that would benefit greatly from a user being able to press 2 buttons at one time. What is the best method for achieving this? I dont think that an OnClickListener works like that, and I have seen examples for doing this with an OnTouch event. However, I do not know how to set up button presses with and OnTouch event.

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• Looking for a CSS Parser in java

  - by Richard

  Hi, I'm looking for a CSS Parser in java. In particular my requirement is, for a given node/element in an HTML document, to be able to ask/get the css styles for that element from the Parser. I know there is the W3C SAC interface and one or 2 implementations based on this - but turorials/examples appear non-existant. Any help/points in rigth direction much appreciated. Thanks

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• Android menu view, gridview or something else?

  - by dfilkovi

  I need to create a home screen (menu) with four to six items arranged in a grid view, each item needs to have an icon and a text below the icon. I googled and everything I could find were adapterView examples, with dynamic menu loading, and I want to make it with static xml, this view will not change so no need for dynamic code. Can anyone post an xml example of this?

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• WPF c# Listbox external scrollbuttons

  - by Tan

  Hi have an listbox and i want external buttons to scroll the listbox. How can i achive this. thanks for help and examples.

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• Can't get the new 2009 XAML primitives working, why?

  - by Will

  What I'd like to use: 2009 XAML primitives How it would be nice to use them: <sapv:ExpressionTextBox xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" ExpressionType="x:String" /> What actually happens: "Type reference cannot find the public type named String" The examples I see don't have updated namespaces. I tried 2009 and 2010, but to no avail. This is in VS 2010 RTM. What am I doing wrong?

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• Strange 3-second tcp connection latencies (Linux, HTTP)

  - by user25417

  Our webservers with static content are experiencing strange 3 second latencies occasionally. Typically, an ApacheBench run ( 10000 requests, concurrency 1 or 40, no difference, but keepalive off) looks like this: Connection Times (ms) min mean[+/-sd] median max Connect: 2 10 152.8 3 3015 Processing: 2 8 34.7 3 663 Waiting: 2 8 34.7 3 663 Total: 4 19 157.2 6 3222 Percentage of the requests served within a certain time (ms) 50% 6 66% 7 75% 7 80% 7 90% 9 95% 11 98% 223 99% 225 100% 3222 (longest request) I have tried many things: - Apache2 2.2.9 with worker or prefork MPM, no difference (with KeepAliveTimeout 10-15) - Nginx 0.6.32 - various tcp parameters (net.core.somaxconn=3000, net.ipv4.tcp_sack=0, net.ipv4.tcp_dsack=0) - putting the files/DocumentRoot on tmpfs - shorewall on or off (i.e. empty iptables or not) - AllowOverride None is on for /, so no .htaccess checks (verified with strace) - the problem persists whether the webservers are accessed directly or through a Foundry load balancer Kernel is 2.6.32 (Debian Lenny backports), but it occurred with 2.6.26 also. IPv6 is enabled, but not used. Does the issue look familiar to anyone? Help/suggestions are much appreciated. It sounds a bit like a SYN,ACK packet getting lost or ignored.

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• Good advanced book on developing robust C# modules

  - by AlexKuznetsov

  I have some experience with C#, and would like to improve my knowledge of its latest improvements. I am in the middle of reading and enjoying "Effective C#" by Bill Wagner right now. However, I would appreciate more examples, especially with lambda expressions and such. Any suggestions are greatly appreciated. High quality resources are preferable, and it does not matter much if they are free or not.

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• What's the difference between using ProtocolType.IP and ProtocolType.Tcp

  - by Sekhat

  I've just answered problem with sockets in c# where in my example code I initializing my socket using ProtocolType.IP as this is what I've always used in my own code, and it has never caused me problems. But I see many examples specifying ProtocolType.Tcp. I guess, what I'm asking is, by using ProtocolType.IP instead of ProtocolType.Tcp is anything being performed differently under the hood that I should be aware of?

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• Are there any serious pitfalls to Outsystems Agile Platform?

  - by Tom Hubbard

  We are currently looking into the Agile Platform by Outsystems. We have went through their courses and did all the examples but from experience these types of things only show part of the picture. Are there any serious pitfalls that we may not be aware of?

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