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• INVITATION: WEBCENTER IMPLEMENTATION SPECIALIST EXAM PREPARATION WEBCASTS

  - by mseika

  Oracle Partner Network would like to invite you to Refresh Courses for WebCenter Content and WebCenter Portal, to help partners to prepare for the WebCenter Implementation Specialist EXAMS. This is a 3 hours intensive refresher partner-only training session, providing attendees with an overview of WebCenter Content and WebCenter Portal functions and related topics. After the refresher part you will be able to take the relevant Implementation Specialist EXAM depending on your personal focus.NOTE: This is only suitable for experienced WebCenter Content or WebCenter Portal practitioners Who should attend? Partner Consultants who want to become an Oracle WebCenter Content or a WebCenter Portal Certified Implementation Specialist or both, that will help them to differentiate themselves in front of customers and support their Companies to become Specialized. Webcast Details: Date Topic Speaker Web Call Details Intercall Details December 14th WebCenter Content Refresh Course Markus Neubauer, Silbury WebCenter Content Specialized Partner Join Webcast Dial-in numbers: CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249533/1412 Date Topic Speaker Web Call Details Intercall Details January 10th WebCenter Portal Refresh Course Yannick Ongena, InfoMentum WebCenter Portal Specialized Partner Join Webcast Dial-in numbers: CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249375/1001 Date Topic Speaker Web Call Details Intercall Details February 22nd WebCenter Content Refresh Course Markus Neubauer, Silbury WebCenter Content Specialized Partner Join Webcast Dial-in numbers: CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249541/2202 Date Topic Speaker Web Call Details Intercall Details March 13th WebCenter Portal Refresh Course Yannick Ongena, InfoMentum WebCenter Portal Specialized Partner Join Webcast Dial-in numbers: CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249549/1303 Local dial-in numbers can be found here . Next Steps: After the Webcast you will receive the Training material and FREE Vouchers to book and take the: Oracle ECM 11g Certified Implementation Specialist EXAM Oracle WebCenter 11g Essentials EXAM Booking with Voucher can be done on www.pearsonvue.com. Note: FREE Vouchers will be send after attending the webcast.  

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• Apache (XAMPP 1.8.0) access.log/Intrusion Detection Concern

  - by Andy Holaday

  [I originally posted on SO but it earned me a Tumbleweed badge. This looks like a better venue for the question.] I have Apache (XAMPP 1.8.0) running on Vista Pro x64. A couple times now I have seen a pattern like the example below in access.log. Concerning is the "attack" seems to somehow shift from a public IP to a valid private IP on my network (happens to be the WAN address of one of my routers). Two questions: How is this possible, and what happens if the "attacker" stumbles on a valid request? I've googled this to no avail. 177.0.X.X - - [03/Jun/2012:08:19:34 -0400] "GET /phpMyAdmin-2.5.4/index.php HTTP/1.1" 403 177.0.X.X - - [03/Jun/2012:08:19:34 -0400] "GET /phpMyAdmin-2.5.5-rc1/index.php HTTP/1.1" 403 177.0.X.X - - [03/Jun/2012:08:19:34 -0400] "GET /phpMyAdmin-2.2.6/index.php HTTP/1.1" 403 177.0.X.X - - [03/Jun/2012:08:19:34 -0400] "GET /phpMyAdmin-2.5.5-rc2/index.php HTTP/1.1" 403 192.168.15.3 - - [03/Jun/2012:08:19:56 -0400] "GET /phpMyAdmin-2.5.6-rc2/index.php HTTP/1.1" 403 177.0.X.X - - [03/Jun/2012:08:19:56 -0400] "GET /phpMyAdmin-2.5.6-rc1/index.php HTTP/1.1" 403 177.0.X.X - - [03/Jun/2012:08:19:56 -0400] "GET /phpMyAdmin-2.5.5-pl1/index.php HTTP/1.1" 403 192.168.15.3 - - [03/Jun/2012:08:19:59 -0400] "GET /phpMyAdmin-2.5.7/index.php HTTP/1.1" 403 192.168.15.3 - - [03/Jun/2012:08:20:01 -0400] "GET /phpMyAdmin-2.5.7-pl1/index.php HTTP/1.1" 403 192.168.15.3 - - [03/Jun/2012:08:20:02 -0400] "GET HTTP/1.1" 400 1060 "-" "-"

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• Euler Problem 1 : Code Optimization / Alternatives [on hold]

  - by Sudhakar

  I am new bee into the world of Datastructures and algorithms from ground up. This is my attempt to learn. If the question is very plain/simple . Please bear with me. Problem: Find the sum of all the multiples of 3 or 5 below 1000. Code i worte: package problem1; public class Problem1 { public static void main(String[] args) { //******************Approach 1**************** long start = System.currentTimeMillis(); int total = 0; int toSubtract = 0; //Complexity N/3 int limit = 10000; for(int i=3 ; i<limit ;i=i+3){ total = total +i; } //Complexity N/5 for(int i=5 ; i<limit ;i=i+5){ total = total +i; } //Complexity N/15 for(int i=15 ; i<limit ;i=i+15){ toSubtract = toSubtract +i; } //9N/15 = 0.6 N System.out.println(total-toSubtract); System.out.println("Completed in "+(System.currentTimeMillis() - start)); //******************Approach 2**************** for(int i=3 ; i<limit ;i=i+3){ total = total +i; } for(int i=5 ; i<limit ;i=i+5){ if ( 0 != (i%3)) total = total +i; } } } Question 1 - Which best approach from the above code and why ? 2 - Are there any better alternatives ?

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• Java Spotlight Episode 98: Cliff Click on Benchmarkings

  - by Roger Brinkley

  Interview with Cliff Click of 0xdata on benchmarking. Recorded live at JFokus 2012. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News Bean Validation 1.1 Java EE 7 Roadmap Java JRE Update 7u7 and 6u35 available. Change to Java SE 7 and Java SE 6 Update Release Numbers JCP 2012 Award Nominations Announced Griffon JavaFX Plugin Events Sep 3-6, Herbstcampus, Nuremberg, Germany Sep 10-15, IMTS 2012 Conference,  Chicago Sep 12,  The Coming M2M Revolution: Critical Issues for End-to-End Software and Systems Development,  Webinar Sep 30-Oct 4, JavaONE, San Francisco Oct 3-4, Java Embedded @ JavaONE, San Francisco Oct 15-17, JAX London Oct 30-Nov 1, Arm TechCon, Santa Clara Oct 22-23, Freescale Technology Forum - Japan, Tokyo Nov 2-3, JMagreb, Morocco Nov 13-17, Devoxx, Belgium Feature Interview Cliff Click is the CTO and Co-Founder of 0xdata, a firm dedicated to creating a new way to think about web-scale data storage and real-time analytics. I wrote my first compiler when I was 15 (Pascal to TRS Z-80!), although my most famous compiler is the HotSpot Server Compiler (the Sea of Nodes IR). I helped Azul Systems build an 864 core pure-Java mainframe that keeps GC pauses on 500Gb heaps to under 10ms, and worked on all aspects of that JVM. Before that I worked on HotSpot at Sun Microsystems, and am at least partially responsible for bringing Java into the mainstream. I am invited to speak regularly at industry and academic conferences and has published many papers about HotSpot technology. I hold a PhD in Computer Science from Rice University and about 15 patents. What’s Cool Shaun Smith’s Devoxx 2011 talk "JPA Multi-Tenancy & Extensibility" now freely available at Parleys.

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• Oracle BPM overview and roadmap session on Monday, October 1st

  - by Manoj Das

  Bhagat Nainani and I, Manoj Das, will present a session on Oracle BPM overview and road map on Monday, October 1 2012, from 12:15-1:15 PM at Moscone South - 308. Since last OpenWorld, many good things have happened. Many customers have gone live with their BPM 11g deployments, some of whom were nominated for the Innovation Awards. From a product perspective, we delivered 11.1.1.6 and 11.1.1.7 is just around the corner. We will discuss some of the highlights related to both customer successes and product features. In particular, we will present some of the exciting new capabilities that we are introducing in 11.1.1.7 around business analyst driven model-to-execution, more comprehensive unified BPM suite, more flexible and manageable BPM. Another significant development is the release of Process Accelerators. We have not only released accelerators, we have ourselves deployed and are using them internally. We will talk about accelerators as well as our learnings. As the title suggests, we will also share some aspects of our roadmap - there are some very exciting things brewing that I can't wait to share with you on Monday. Hoping to see you on Monday. Again, the session is in Moscone South - 308 from 12:15-1:15. Looking forward to your tweets on the session - remember to use #oraclebpm and #oow. Finally, as always, feel free to ask Bhagat and me any questions you have, during the session as well as after the session.

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• ArchBeat Link-o-Rama for 2012-09-12

  - by Bob Rhubart

  15 Lessons from 15 Years as a Software Architect | Ingo Rammer In this presentation from the GOTO Conference in Copenhagen, Ingo Rammer shares 15 tips regarding people, complexity and technology that he learned doing software architecture for 15 years. Adding a runtime picker to a taskflow parameter in WebCenter | Yannick Ongena Oracle ACE Yannick Ongena shows how to create an Oracle WebCenter popup to allow users to "select items or do more complex things." Oracle Identity Manager 11g R2 Catalog | Daniel Gralewski Oracle Fusion Middleware A-Team blogger Daniel Gralewski shares a detailed overview of the new Catalog feature, one of the most talked about features in the latest release of Oracle Identity Manager 11g. Cloud API and service designers, stop thinking small | Cloud Computing - InfoWorld "The focus must shift away from fine-grained APIs that provide some type of primitive service, such as pushing data to a block of storage or perhaps making a request to a cloud-rooted database," says InfoWorld's David Linthicum. "To go beyond primitives, you must understand how these services should be used in a much larger architectural context. In other words, you need to understand how businesses will employ these services to form real workplace solutions -- inside and outside the enterprise." Oracle Solaris 8 P2V with Oracle database 10.2 and ASM | Orgad Kimchi Orgad Kimchi's technical post illustrates the migration of "a Solaris 8 physical system, with Oracle database version 10.2.0.5 with ASM file-system located on a SAN storage, into a Solaris 8 branded zone inside a Solaris 10 guest domain on top of a Solaris 11 control domain." Thought for the Day "The hardest single part of building a software system is deciding precisely what to build. " — Fred Brooks Source: SoftwareQuotes.com

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• How to do a multishot in xna?

  - by DeVonte

  I am trying to simulate a gun in which shoots multiple bullets at the same time(similar to a spread out shot). I am thinking I have to create another bullet array then do the same as I have below but in a different direction. Here is what I have so far: foreach (GameObject bullet in bullets) { // Find a bullet that isn't alive if (!bullet.alive) { //And set it to alive bullet.alive = true; if (flip == SpriteEffects.FlipHorizontally) //Facing right { float armCos = (float)Math.Cos(arm.rotation - MathHelper.PiOver2); float armSin = (float)Math.Sin(arm.rotation - MathHelper.PiOver2); // Set the initial position of our bullets at the end of our gun arm // 42 is obtained by taking the width of the Arm_Gun texture / 2 // and subtracting the width of the Bullet texture / 2. ((96/2)=(12/2)) bullet.position = new Vector2( arm.position.X + 42 * armCos, arm.position.Y + 42 * armSin); // And give it a velocity of the direction we're aiming. // Increae/decrease speed by changeing 15.0f bullet.Velocity = new Vector2( (float)Math.Cos(arm.rotation - MathHelper.PiOver4 + MathHelper.Pi + MathHelper.PiOver2), (float)Math.Sin(arm.rotation - MathHelper.PiOver4 + MathHelper.Pi + MathHelper.PiOver2)) * 15.0f; } else //Facing left { float armCos = (float)Math.Cos(arm.rotation + MathHelper.PiOver2); float armSin = (float)Math.Sin(arm.rotation + MathHelper.PiOver2); //Set the initial position of our bullet at the end of our gun arm //42 is obtained be taking the width of the Arm_Gun texture / 2 //and subtracting the width of the Bullet texture / 2. ((96/2)-(12/2)) bullet.position = new Vector2( arm.position.X - 42 * armCos, arm.position.Y - 42 * armSin); //And give it a velocity of the direction we're aiming. //Increase/decrease speed by changing 15.0f bullet.Velocity = new Vector2( -armCos, -armSin) * 15.0f; } return; }// End if }// End foreach

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• Update fails to Install

  - by FirmTech

  I get the below error when I try to install updates using Software Updater: Not enough free disk space The upgrade needs a total of 81.3 M free space on disk '/boot'. Please free at least an additional 15.9 M of disk space on '/boot'. Empty your trash and remove temporary packages of former installations using 'sudo apt-get clean'. What should I do? firmtechnologies@FirmTechnologies:~$ (ls -l /boot) total 155801 -rw-r--r-- 1 root root 1158016 May 3 01:30 abi-3.13.0-24-generic -rw-r--r-- 1 root root 1161713 May 8 01:31 abi-3.13.0-26-generic -rw-r--r-- 1 root root 1161713 May 15 20:07 abi-3.13.0-27-generic -rw-r--r-- 1 root root 1161764 Jun 4 22:57 abi-3.13.0-29-generic -rw-r--r-- 1 root root 165510 May 3 01:30 config-3.13.0-24-generic -rw-r--r-- 1 root root 165538 May 8 01:31 config-3.13.0-26-generic -rw-r--r-- 1 root root 165521 May 15 20:07 config-3.13.0-27-generic -rw-r--r-- 1 root root 165544 Jun 4 22:57 config-3.13.0-29-generic drwxr-xr-x 5 root root 1024 Jun 6 14:31 grub -rw-r--r-- 1 root root 29091568 May 7 21:31 initrd.img-3.13.0-24-generic -rw-r--r-- 1 root root 29094684 May 12 12:24 initrd.img-3.13.0-26-generic -rw-r--r-- 1 root root 29095678 May 18 10:57 initrd.img-3.13.0-27-generic -rw-r--r-- 1 root root 29093700 Jun 6 14:32 initrd.img-3.13.0-29-generic drwx------ 2 root root 12288 Apr 30 17:11 lost+found -rw-r--r-- 1 root root 176500 Mar 12 13:31 memtest86+.bin -rw-r--r-- 1 root root 178176 Mar 12 13:31 memtest86+.elf -rw-r--r-- 1 root root 178680 Mar 12 13:31 memtest86+_multiboot.bin -rw------- 1 root root 3372643 May 3 01:30 System.map-3.13.0-24-generic -rw------- 1 root root 3377429 May 8 01:31 System.map-3.13.0-26-generic -rw------- 1 root root 3377429 May 15 20:07 System.map-3.13.0-27-generic -rw------- 1 root root 3378267 Jun 4 22:57 System.map-3.13.0-29-generic -rw------- 1 root root 5776416 May 3 01:30 vmlinuz-3.13.0-24-generic -rw------- 1 root root 5790912 May 8 01:30 vmlinuz-3.13.0-26-generic -rw------- 1 root root 5790912 May 15 20:07 vmlinuz-3.13.0-27-generic -rw------- 1 root root 5792544 Jun 4 22:57 vmlinuz-3.13.0-29-generic

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• Translating an object along its heading

  - by Kuros

  I am working on a simulation that requires me to have several objects moving around in 3D space (text output of their current position on the grid and heading is fine, I do not need graphics), and I am having some trouble getting objects to move along their relative headings. I have a basic understanding of vectors and matrices. I am using a vector to represent their position, and I am also using Euler Angles. I can translate one of my entities with a matrix along whatever axis, and I can alter their heading. For example, if I have an entity at (order is XYZ) 1, 1, 1, with a heading of 0, I can apply a translation matrix to get them to talk to 1, 1, 2 fine. However, if I change their heading to 270, they still walk to 1, 1, 3, instead of 2, 1, 2 as I desire. I have a feeling that my problem lies in not translating my matrix from world space to object space, but I am not sure how to go about that. How can I do this? Addition: I am using 3D vectors to represent their current position and their heading (using the three euler angles). For now, all I want to do is have an entity walk in a square, reporting their current position at each step. So, assuming it starts at 10, 10, 10 I want it to walk as follows: 10,10,10 -> 10, 10, 15 10, 10, 15 -> 5, 10, 15 5, 10, 15 -> 5, 10, 10 5, 10, 10 -> 10, 10, 10 My 1 Z unit translation matrix is as follows: [1 0 0 0] [0 1 0 0] [0 0 1 1] [0 0 0 1] My rotation matrix is as follows: [0 0 1 0] [0 1 0 0] [-1 0 0 0] [0 0 0 1]

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• No grub selection after installing kernel Ubuntu 14.04

  - by CPJ

  I have installed a new kernel on my system which can be found by grub but when I restart I can only select the old kernel. Things I tried in other threds with similar problems didn't help. sudo update-grub gives Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.15.0-031500rc2-lowlatency Found initrd image: /boot/initrd.img-3.15.0-031500rc2-lowlatency Found linux image: /boot/vmlinuz-3.15.0-031500rc2-generic Found initrd image: /boot/initrd.img-3.15.0-031500rc2-generic Found linux image: /boot/vmlinuz-3.13.0-24-generic Found initrd image: /boot/initrd.img-3.13.0-24-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin done However, afer a reboot I can only choose the 3.13 kernel. Any ideas what happened? I I have a full encrypted hard drive so maybe I have overseen something while installing the new kernel to get this work? The grub config file is GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT_QUIET=false GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="" GRUB_ENABLE_CRYPTODISK=1 Any ideas? Thanks.

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• ??????????????!?Oracle Solaris 11.1 Day? ??????????

  - by OTN-J Master

  ????????????Oracle Solaris??20???????????? ?????????????????Oracle Solaris 11.1????????11????300???????????????????????????OS???????Oracle Database????????????????OS????????????????>> ???????? ?Oracle Solaris 11:??????OS? ???????11?30?(?)????????????Oracle Solaris 11.1 Day???????????????????????????????????????????????????????????????????????!???Solaris???????????????????????????????????Web??????????????????????????????????????????????????????Solaris 11??????????????????????????????????????????????????????????????????>>??????!????: 11?30?(?)13:00~15:30 (????12:30)?????: ???????? 13F???????(??????)???????  “The First Cloud OS” ???????Oracle Solaris 11??????????????????????????????????????????? IT ????????????????????????????????????????????????IT???????OS????????????????????Oracle OpenWorld 2012?????????Solaris11?????????????????????Solaris 11.1 ???????????????????Solaris????????????????????OS??Oracle?????????????????????????????????????Oracle Solaris????????????????????? ?????? ?13:30~13:40? ???????????????????????!???????????????????OS????????????????????? ???????????????? ?? ?? ? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????IT????????????????????????????????????????????????????????????????????????????????????IT???????Enterprise??????????????????????? ?13:40~14:20?[??????????????]Oracle Solaris11.1 ?????????????????? ????????????? ??? ?“The First Cloud OS” ???????Oracle Solaris 11??????????????????????????????????????????? IT ??????????????????????????????????????????????????Oracle OpenWorld 2012?????????Solaris11?????????????????????Solaris 11.1 ???????????????? ?14:30~15:00?[?????????????????] ??????!Solaris 11 Beta ????????????????????   ???????   ? ?? ? ????????Oralce Solaris 11 Beta ?????????????????????????????????????????????15:00~15:20?[????????????????]Solaris 11 ?????????????????????? ??????????? ???????  ?? ?? Oracle University ?????????????????????????????????????????????????(Classroom Training)?????????????????????????????????????????????????????????Oracle University?????Solaris 11????????????????????? >> ??????????

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• Xpath question Xml Xpath

  - by Ibrar Afzal

  I need an xpath expression that would return the value of I need to get the value of this node. the value to extract is my xpath expression is //rates/rate[loantype='30-Year Fixed Rate'] The issue hre is that there are three value each node has a subtype element. Beside fileter for loantype I also need to filter for subtype. I am not sure how to do it in xpath. I have the following xml 40-Year Fixed Rate A 3 5.375 1.000 5.491 0 1 40-Year Fixed Rate B 5.500 0.500 5.579 0 1 40-Year Fixed Rate C 5.625 0.000 5.667 0 1 30-Year Fixed Rate A 3 5.000 1.000 5.134 0 1 30-Year Fixed Rate B 5.125 0.500 5.215 0 1 30-Year Fixed Rate C 5.250 0.000 5.297 0 1 20-Year Fixed Rate A 3 4.875 1.000 5.055 0 1 20-Year Fixed Rate B 5.000 0.500 5.121 0 1 20-Year Fixed Rate C 5.125 0.000 5.187 0 1 15-Year Fixed Rate A 3 4.250 1.000 4.467 0 1 15-Year Fixed Rate B 4.375 0.500 4.512 0 1 15-Year Fixed Rate C 4.500 0.000 4.570 0 1 10-Year Fixed Rate A 3 4.125 1.000 4.435 0 1 10-Year Fixed Rate B 4.250 0.500 4.454 0 1 10-Year Fixed Rate C 4.375 0.000 4.473 0 1 High-Balance 15-Year Fixed Rate D 3 4.250 1.000 4.461 0 1 High-Balance 15-Year Fixed Rate B 4.375 0.500 4.512 0 1 High-Balance 15-Year Fixed Rate C 4.500 0.000 4.563 0 1 High-Balance 30-Year Fixed Rate D 3 5.000 1.000 5.130 0 1 High-Balance 30-Year Fixed Rate B 5.125 0.500 5.211 0 1 High-Balance 30-Year Fixed Rate C 5.250 0.000 5.293 0 1 30-Year Fixed Rate Jumbo A 2 5.125 1.000 5.254 1 1 30-Year Fixed Rate Jumbo B 5.250 0.500 5.336 1 1 30-Year Fixed Rate Jumbo C 5.375 0.000 5.417 1 1 -- 15-Year Fixed Rate Jumbo A 2 5.000 1.000 5.220 1 1 15-Year Fixed Rate Jumbo B 5.125 0.500 5.270 1 1 15-Year Fixed Rate Jumbo C 5.250 0.000 5.320 1 1 -- 3/1 30-Year Adjustable Rate A 3 3.625 1.000 3.431 0 0 3/1 30-Year Adjustable Rate B 3.875 0.500 3.448 0 0 3/1 30-Year Adjustable Rate C 4.125 0.000 3.465 0 0 3/1 40-Year Adjustable Rate A 3 3.875 1.000 3.438 0 0 3/1 40-Year Adjustable Rate B 4.125 0.500 3.453 0 0 3/1 40-Year Adjustable Rate C 4.375 0.000 3.467 0 0 5/1 30-Year Adjustable Rate A 3 3.375 1.000 3.401 0 0 5/1 30-Year Adjustable Rate B 3.625 0.500 3.457 0 0 5/1 30-Year Adjustable Rate C 3.875 0.000 3.514 0 0 5/1 40-Year Adjustable Rate A 3 3.625 1.000 3.441 0 0 5/1 40-Year Adjustable Rate B 3.875 0.500 3.481 0 0 5/1 40-Year Adjustable Rate C 4.125 0.000 3.531 0 0 7/1 30-Year Adjustable Rate A 3 3.875 1.000 3.670 0 0 7/1 30-Year Adjustable Rate B 4.125 0.500 3.755 0 0 7/1 30-Year Adjustable Rate C 4.375 0.000 3.841 0 0 10/1 30-Year Adjustable Rate A 3 4.375 1.000 4.092 0 0 10/1 30-Year Adjustable Rate B 4.625 0.500 4.217 0 0 10/1 30-Year Adjustable Rate C 4.875 0.000 4.342 0 0 -- 2/2 ARM 30-Year (Purchase only) DH 5.250 0.000 3.709 0 0 -- High-Balance 5/1 30-Year Adjustable Rate D 3 3.375 1.000 3.366 0 0 High-Balance 5/1 30-Year Adjustable Rate B 3.625 0.500 3.404 0 0 High-Balance 5/1 30-Year Adjustable Rate C 3.875 0.000 3.454 0 0 High-Balance 7/1 30-Year Adjustable Rate D 3 3.875 1.000 3.670 0 0 High-Balance 7/1 30-Year Adjustable Rate B 4.125 0.500 3.755 0 0 High-Balance 7/1 30-Year Adjustable Rate C 4.375 0.000 3.841 0 0 3/1 30-Year Jumbo Adjustable Rate A 2 4.875 1.000 3.719 1 0 3/1 30-Year Jumbo Adjustable Rate B 5.000 0.500 3.708 1 0 3/1 30-Year Jumbo Adjustable Rate C 5.125 0.000 3.704 1 0 -- 3/1 40-Year Jumbo Adjustable Rate A 2 5.250 1.000 3.733 1 0 3/1 40-Year Jumbo Adjustable Rate B 5.375 0.500 3.727 1 0 3/1 40-Year Jumbo Adjustable Rate C 5.500 0.000 3.725 1 0 -- 5/1 30-Year Jumbo Adjustable Rate A 3 4.375 1.000 3.791 1 0 5/1 30-Year Jumbo Adjustable Rate B 4.500 0.500 3.803 1 0 5/1 30-Year Jumbo Adjustable Rate C 4.625 0.000 3.814 1 0 5/1 40-Year Jumbo Adjustable Rate A 2 5.000 1.000 3.922 1 0 5/1 40-Year Jumbo Adjustable Rate B 5.125 0.500 3.925 1 0 5/1 40-Year Jumbo Adjustable Rate C 5.250 0.000 3.936 1 0 -- 7/1 30-Year Jumbo Adjustable Rate A 3 4.950 1.000 4.261 1 0 7/1 30-Year Jumbo Adjustable Rate B 5.075 0.500 4.286 1 0 7/1 30-Year Jumbo Adjustable Rate C 5.200 0.000 4.311 1 0 2/2 ARM 30-Year Jumbo (Purchase only) DH 6.500 0.000 4.260 1 0 -- 30 Due in 7 Fixed Rate JUMBO Balloon A 6.375 1.000 6.613 1 0 30 Due in 7 Fixed Rate JUMBO Balloon B 6.500 0.500 6.625 1 0 40 due in 7 Fixed Rate offer1 5.250 0.000 5.374 0 0 1 40 Due in 7 Fixed Rate JUMBO Balloon offer2 6.500 0.000 6.625 1 0 1 Interest Only HELOC A To 80% LTV 3.250 0 1 Home Equity Loan - 7Yrs A Up to $100,000.00 Up to 75% LTV 6.000 6.000 0 2 Home Equity Loan - 7Yrs A $100,000.01 - $250,000.00 Up to 75% LTV 6.00 6.153 0 2 Home Equity Loan - 7Yrs A Up to $100,000.00 Up to 80% LTV 6.250 6.250 0 2 Home Equity Loan - 7Yrs A $100,000.01 - $250,000.00 Up to 80% LTV 6.25 6.403 0 2 Home Equity Loan - 7Yrs B $100,000.01 - $250,000.00 Up to 90% LTV 6.99 7.145 0 2 Home Equity Loan - 10,15Yrs C $5,000-$250,000.00 To 75% LTV 6.50 6.612 0 2 Home Equity Loan - 10,15Yrs C $5,000-$250,000.00 To 80% LTV 6.75 6.863 0 2 Home Equity Loan - 10,15Yrs D $5,000-$250,000.00 Up to 90% LTV 7.50 7.614 0 2 Home Equity Loan - 20Yrs E $5,000-$250,000.00 To 75% LTV 7.50 7.566 0 2 Home Equity Loan - 20Yrs E $5,000-$250,000.00 To 80% LTV 7.75 7.817 0 2 Home Equity Loan - 20Yrs F $5,000-$250,000.00 Up to 90% LTV 8.50 8.569 0 2 Equity Edge $5,000-$25,000.00 Up to 125% LTV 12.00 12.188 Current Index 0.350 Prime Index 3.250 03/26/2010

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• ubuntu 12.04 python problem or?

  - by Trki

  Hi i am trying to fix this for a long time but without success. When i open my zsh terminal i get this error: (terminal is working but error appear) Welcome to the world of tomorrow! virtualenvwrapper_run_hook:12: permission denied: virtualenvwrapper.sh: There was a problem running the initialization hooks. If Python could not import the module virtualenvwrapper.hook_loader, check that virtualenv has been installed for VIRTUALENVWRAPPER_PYTHON= and that PATH is set properly. I tried few things but... dont know how to solve it. Somehow during looking for a search i found i should post here an output of: ? sudo dpkg --configure -a Setting up python-pip (1.0-1build1) ... /var/lib/dpkg/info/python-pip.postinst: 6: /var/lib/dpkg/info/python-pip.postinst: pycompile: not found dpkg: error processing python-pip (--configure): subprocess installed post-installation script returned error exit status 127 Setting up libc-dev-bin (2.15-0ubuntu10.5) ... Setting up gnome-control-center-data (1:3.4.2-0ubuntu0.13) ... Setting up linux-libc-dev (3.2.0-56.86) ... Setting up python-virtualenv (1.7.1.2-1) ... /var/lib/dpkg/info/python-virtualenv.postinst: 6: /var/lib/dpkg/info/python-virtualenv.postinst: pycompile: not found dpkg: error processing python-virtualenv (--configure): subprocess installed post-installation script returned error exit status 127 Setting up libglib2.0-0 (2.32.4-0ubuntu1) ... Setting up libglib2.0-0:i386 (2.32.4-0ubuntu1) ... Setting up gimp (2.6.12-1ubuntu1.2) ... /var/lib/dpkg/info/gimp.postinst: 11: /var/lib/dpkg/info/gimp.postinst: pycompile: not found dpkg: error processing gimp (--configure): subprocess installed post-installation script returned error exit status 127 Setting up libpolkit-gobject-1-0 (0.104-1ubuntu1.1) ... Setting up libgnome-control-center1 (1:3.4.2-0ubuntu0.13) ... Setting up libnm-util2 (0.9.4.0-0ubuntu4.3) ... Setting up libc6-dev (2.15-0ubuntu10.5) ... Setting up libpulse-mainloop-glib0 (1:1.1-0ubuntu15.4) ... dpkg: dependency problems prevent configuration of virtualenvwrapper: virtualenvwrapper depends on python-virtualenv; however: Package python-virtualenv is not configured yet. dpkg: error processing virtualenvwrapper (--configure): dependency problems - leaving unconfigured Setting up libpolkit-agent-1-0 (0.104-1ubuntu1.1) ... Setting up libupower-glib1 (0.9.15-3git1ubuntu0.1) ... Setting up libaccountsservice0 (0.6.15-2ubuntu9.6.1) ... Setting up libpolkit-backend-1-0 (0.104-1ubuntu1.1) ... Setting up libglib2.0-bin (2.32.4-0ubuntu1) ... Setting up libnm-glib4 (0.9.4.0-0ubuntu4.3) ... Setting up policykit-1 (0.104-1ubuntu1.1) ... Setting up gnome-settings-daemon (3.4.2-0ubuntu0.6.4) ... Setting up accountsservice (0.6.15-2ubuntu9.6.1) ... dpkg: error processing ubuntu-system-service (--configure): Package is in a very bad inconsistent state - you should reinstall it before attempting configuration. Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: python-pip python-virtualenv gimp virtualenvwrapper ubuntu-system-service Also: ? python --version zsh: command not found: python Part of my ~/.zshrc # python virtual env wrapper if [ -f ~/.local/bin/virtualenvwrapper.sh ]; then export WORKON_HOME=~/.virtualenvs source ~/.local/bin/virtualenvwrapper.sh plugins=("${plugins[@]}" virtualenvwrapper) fi # pythonbrew [[ -s ~/.pythonbrew/etc/bashrc ]] && source ~/.pythonbrew/etc/bashrc Part os zsh -xv # # Invoke the initialization functions # virtualenvwrapper_initialize +/home/trki/.local/bin/virtualenvwrapper.sh:1179> virtualenvwrapper_initialize +virtualenvwrapper_initialize:1> virtualenvwrapper_derive_workon_home +virtualenvwrapper_derive_workon_home:1> typeset 'workon_home_dir=/home/trki/.virtualenvs' +virtualenvwrapper_derive_workon_home:5> [ /home/trki/.virtualenvs '=' '' ']' +virtualenvwrapper_derive_workon_home:12> echo /home/trki/.virtualenvs +virtualenvwrapper_derive_workon_home:12> unset GREP_OPTIONS +virtualenvwrapper_derive_workon_home:12> grep '^[^/~]' +virtualenvwrapper_derive_workon_home:21> echo /home/trki/.virtualenvs +virtualenvwrapper_derive_workon_home:21> unset GREP_OPTIONS +virtualenvwrapper_derive_workon_home:21> egrep '([\$~]|//)' +virtualenvwrapper_derive_workon_home:30> echo /home/trki/.virtualenvs +virtualenvwrapper_derive_workon_home:31> return 0 +virtualenvwrapper_initialize:1> export 'WORKON_HOME=/home/trki/.virtualenvs' +virtualenvwrapper_initialize:3> virtualenvwrapper_verify_workon_home -q +virtualenvwrapper_verify_workon_home:1> RC=0 +virtualenvwrapper_verify_workon_home:2> [ ! -d /home/trki/.virtualenvs/ ']' +virtualenvwrapper_verify_workon_home:11> return 0 +virtualenvwrapper_initialize:6> [ /home/trki/.virtualenvs '=' '' ']' +virtualenvwrapper_initialize:11> virtualenvwrapper_run_hook initialize +virtualenvwrapper_run_hook:1> typeset hook_script +virtualenvwrapper_run_hook:2> typeset result +virtualenvwrapper_run_hook:4> hook_script=+virtualenvwrapper_run_hook:4> virtualenvwrapper_tempfile initialize-hook +virtualenvwrapper_tempfile:2> typeset 'suffix=initialize-hook' +virtualenvwrapper_tempfile:3> typeset file +virtualenvwrapper_tempfile:5> file=+virtualenvwrapper_tempfile:5> virtualenvwrapper_mktemp -t virtualenvwrapper-initialize-hook-XXXXXXXXXX +virtualenvwrapper_mktemp:1> mktemp -t virtualenvwrapper-initialize-hook-XXXXXXXXXX +virtualenvwrapper_tempfile:5> file=/tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 +virtualenvwrapper_tempfile:6> [ 0 -ne 0 ']' +virtualenvwrapper_tempfile:6> [ -z /tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 ']' +virtualenvwrapper_tempfile:6> [ ! -f /tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 ']' +virtualenvwrapper_tempfile:11> echo /tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 +virtualenvwrapper_tempfile:12> return 0 +virtualenvwrapper_run_hook:4> hook_script=/tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 +virtualenvwrapper_run_hook:11> cd /home/trki/.virtualenvs +cd:1> [[ x/home/trki/.virtualenvs == x... ]] +cd:3> [[ x/home/trki/.virtualenvs == x.... ]] +cd:5> [[ x/home/trki/.virtualenvs == x..... ]] +cd:7> [[ x/home/trki/.virtualenvs == x...... ]] +cd:9> [ -d /home/trki/.autoenv ']' +cd:13> cd /home/trki/.virtualenvs +virtualenvwrapper_run_hook:12> '' -m virtualenvwrapper.hook_loader --script /tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 initialize virtualenvwrapper_run_hook:12: permission denied: +virtualenvwrapper_run_hook:15> result=126 +virtualenvwrapper_run_hook:17> [ 126 -eq 0 ']' +virtualenvwrapper_run_hook:27> [ initialize '=' initialize ']' +virtualenvwrapper_run_hook:29> cat - virtualenvwrapper.sh: There was a problem running the initialization hooks. If Python could not import the module virtualenvwrapper.hook_loader, check that virtualenv has been installed for VIRTUALENVWRAPPER_PYTHON= and that PATH is set properly. +virtualenvwrapper_run_hook:38> rm -f /tmp/virtualenvwrapper-initialize-hook-OhY86PXmo7 +virtualenvwrapper_run_hook:39> return 126 +virtualenvwrapper_initialize:13> virtualenvwrapper_setup_tab_completion +virtualenvwrapper_setup_tab_completion:1> [ -n '' ']' +virtualenvwrapper_setup_tab_completion:20> [ -n 4.3.17 ']' +virtualenvwrapper_setup_tab_completion:30> compctl -K _virtualenvs workon rmvirtualenv cpvirtualenv showvirtualenv +virtualenvwrapper_setup_tab_completion:31> compctl -K _cdvirtualenv_complete cdvirtualenv +virtualenvwrapper_setup_tab_completion:32> compctl -K _cdsitepackages_complete cdsitepackages +virtualenvwrapper_initialize:15> return 0 +/home/trki/.zshrc:17> plugins=( git python django symfony2 zsh-syntax-highlighting composer history-substring-search virtualenvwrapper ) # pythonbrew [[ -s ~/.pythonbrew/etc/bashrc ]] && source ~/.pythonbrew/etc/bashrc +/home/trki/.zshrc:21> [[ -s /home/trki/.pythonbrew/etc/bashrc ]] Also when i try to open ubuntu software center absolutly nothing happens. No idea what to do now.

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• Why you need to learn async in .NET

  - by PSteele

  I had an opportunity to teach a quick class yesterday about what’s new in .NET 4.0.  One of the topics was the TPL (Task Parallel Library) and how it can make async programming easier.  I also stressed that this is the direction Microsoft is going with for C# 5.0 and learning the TPL will greatly benefit their understanding of the new async stuff.  We had a little time left over and I was able to show some code that uses the Async CTP to accomplish some stuff, but it wasn’t a simple demo that you could jump in to and understand so I thought I’d thrown one together and put it in a blog post. The entire solution file with all of the sample projects is located here. A Simple Example Let’s start with a super-simple example (WindowsApplication01 in the solution). I’ve got a form that displays a label and a button.  When the user clicks the button, I want to start displaying the current time for 15 seconds and then stop. What I’d like to write is this: lblTime.ForeColor = Color.Red; for (var x = 0; x < 15; x++) { lblTime.Text = DateTime.Now.ToString("HH:mm:ss"); Thread.Sleep(1000); } lblTime.ForeColor = SystemColors.ControlText; (Note that I also changed the label’s color while counting – not quite an ILM-level effect, but it adds something to the demo!) As I’m sure most of my readers are aware, you can’t write WinForms code this way.  WinForms apps, by default, only have one thread running and it’s main job is to process messages from the windows message pump (for a more thorough explanation, see my Visual Studio Magazine article on multithreading in WinForms).  If you put a Thread.Sleep in the middle of that code, your UI will be locked up and unresponsive for those 15 seconds.  Not a good UX and something that needs to be fixed.  Sure, I could throw an “Application.DoEvents()” in there, but that’s hacky. The Windows Timer Then I think, “I can solve that.  I’ll use the Windows Timer to handle the timing in the background and simply notify me when the time has changed”.  Let’s see how I could accomplish this with a Windows timer (WindowsApplication02 in the solution): public partial class Form1 : Form { private readonly Timer clockTimer; private int counter;   public Form1() { InitializeComponent(); clockTimer = new Timer {Interval = 1000}; clockTimer.Tick += UpdateLabel; }   private void UpdateLabel(object sender, EventArgs e) { lblTime.Text = DateTime.Now.ToString("HH:mm:ss"); counter++; if (counter == 15) { clockTimer.Enabled = false; lblTime.ForeColor = SystemColors.ControlText; } }   private void cmdStart_Click(object sender, EventArgs e) { lblTime.ForeColor = Color.Red; counter = 0; clockTimer.Start(); } } Holy cow – things got pretty complicated here.  I use the timer to fire off a Tick event every second.  Inside there, I can update the label.  Granted, I can’t use a simple for/loop and have to maintain a global counter for the number of iterations.  And my “end” code (when the loop is finished) is now buried inside the bottom of the Tick event (inside an “if” statement).  I do, however, get a responsive application that doesn’t hang or stop repainting while the 15 seconds are ticking away. But doesn’t .NET have something that makes background processing easier? The BackgroundWorker Next I try .NET’s BackgroundWorker component – it’s specifically designed to do processing in a background thread (leaving the UI thread free to process the windows message pump) and allows updates to be performed on the main UI thread (WindowsApplication03 in the solution): public partial class Form1 : Form { private readonly BackgroundWorker worker;   public Form1() { InitializeComponent(); worker = new BackgroundWorker {WorkerReportsProgress = true}; worker.DoWork += StartUpdating; worker.ProgressChanged += UpdateLabel; worker.RunWorkerCompleted += ResetLabelColor; }   private void StartUpdating(object sender, DoWorkEventArgs e) { var workerObject = (BackgroundWorker) sender; for (int x = 0; x < 15; x++) { workerObject.ReportProgress(0); Thread.Sleep(1000); } }   private void UpdateLabel(object sender, ProgressChangedEventArgs e) { lblTime.Text = DateTime.Now.ToString("HH:mm:ss"); }   private void ResetLabelColor(object sender, RunWorkerCompletedEventArgs e) { lblTime.ForeColor = SystemColors.ControlText; }   private void cmdStart_Click(object sender, EventArgs e) { lblTime.ForeColor = Color.Red; worker.RunWorkerAsync(); } } Well, this got a little better (I think).  At least I now have my simple for/next loop back.  Unfortunately, I’m still dealing with event handlers spread throughout my code to co-ordinate all of this stuff in the right order. Time to look into the future. The async way Using the Async CTP, I can go back to much simpler code (WindowsApplication04 in the solution): private async void cmdStart_Click(object sender, EventArgs e) { lblTime.ForeColor = Color.Red; for (var x = 0; x < 15; x++) { lblTime.Text = DateTime.Now.ToString("HH:mm:ss"); await TaskEx.Delay(1000); } lblTime.ForeColor = SystemColors.ControlText; } This code will run just like the Timer or BackgroundWorker versions – fully responsive during the updates – yet is way easier to implement.  In fact, it’s almost a line-for-line copy of the original version of this code.  All of the async plumbing is handled by the compiler and the framework.  My code goes back to representing the “what” of what I want to do, not the “how”. I urge you to download the Async CTP.  All you need is .NET 4.0 and Visual Studio 2010 sp1 – no need to set up a virtual machine with the VS2011 beta (unless, of course, you want to dive right in to the C# 5.0 stuff!).  Starting playing around with this today and see how much easier it will be in the future to write async-enabled applications.

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• High Server Load cannot figure out why

  - by Tim Bolton

  My server is currently running CentOS 5.2, with WHM 11.34. Currently, we're at 6.43 to 12 for a load average. The sites that we're hosting are taking a lot time to respond and resolve. top doesn't show anything out of the ordinary and iftop doesn't show a lot of traffic. We have many resellers, and some not so good at writing code, how can we find the culprit? vmstat output: vmstat procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 0 2 84 78684 154916 1021080 0 0 72 274 0 14 6 3 80 12 0 top output (ordered by %CPU) top - 21:44:43 up 5 days, 10:39, 3 users, load average: 3.36, 4.18, 4.73 Tasks: 222 total, 3 running, 219 sleeping, 0 stopped, 0 zombie Cpu(s): 5.8%us, 2.3%sy, 0.2%ni, 79.6%id, 11.8%wa, 0.0%hi, 0.2%si, 0.0%st Mem: 2074580k total, 1863044k used, 211536k free, 174828k buffers Swap: 2040212k total, 84k used, 2040128k free, 987604k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 15930 mysql 15 0 138m 46m 4380 S 4 2.3 1:45.87 mysqld 21772 igniteth 17 0 23200 7152 3932 R 4 0.3 0:00.02 php 1586 root 10 -5 0 0 0 S 2 0.0 11:45.19 kjournald 21759 root 15 0 2416 1024 732 R 2 0.0 0:00.01 top 1 root 15 0 2156 648 560 S 0 0.0 0:26.31 init 2 root RT 0 0 0 0 S 0 0.0 0:00.35 migration/0 3 root 34 19 0 0 0 S 0 0.0 0:00.32 ksoftirqd/0 4 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 5 root RT 0 0 0 0 S 0 0.0 0:02.00 migration/1 6 root 34 19 0 0 0 S 0 0.0 0:00.11 ksoftirqd/1 7 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1 8 root RT 0 0 0 0 S 0 0.0 0:01.29 migration/2 9 root 34 19 0 0 0 S 0 0.0 0:00.26 ksoftirqd/2 10 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/2 11 root RT 0 0 0 0 S 0 0.0 0:00.90 migration/3 12 root 34 19 0 0 0 R 0 0.0 0:00.20 ksoftirqd/3 13 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/3 top output (ordered by CPU time) top - 21:46:12 up 5 days, 10:41, 3 users, load average: 2.88, 3.82, 4.55 Tasks: 217 total, 1 running, 216 sleeping, 0 stopped, 0 zombie Cpu(s): 3.7%us, 2.0%sy, 2.0%ni, 67.2%id, 25.0%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 2074580k total, 1959516k used, 115064k free, 183116k buffers Swap: 2040212k total, 84k used, 2040128k free, 1090308k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ TIME COMMAND 32367 root 16 0 215m 212m 1548 S 0 10.5 62:03.63 62:03 tailwatchd 1586 root 10 -5 0 0 0 S 0 0.0 11:45.27 11:45 kjournald 1576 root 10 -5 0 0 0 S 0 0.0 2:37.86 2:37 kjournald 27722 root 16 0 2556 1184 800 S 0 0.1 1:48.94 1:48 top 15930 mysql 15 0 138m 46m 4380 S 4 2.3 1:48.63 1:48 mysqld 2932 root 34 19 0 0 0 S 0 0.0 1:41.05 1:41 kipmi0 226 root 10 -5 0 0 0 S 0 0.0 1:34.33 1:34 kswapd0 2671 named 25 0 74688 7400 2116 S 0 0.4 1:23.58 1:23 named 3229 root 15 0 10300 3348 2724 S 0 0.2 0:40.85 0:40 sshd 1580 root 10 -5 0 0 0 S 0 0.0 0:30.62 0:30 kjournald 1 root 17 0 2156 648 560 S 0 0.0 0:26.32 0:26 init 2616 root 15 0 1816 576 480 S 0 0.0 0:23.50 0:23 syslogd 1584 root 10 -5 0 0 0 S 0 0.0 0:18.67 0:18 kjournald 4342 root 34 19 27692 11m 2116 S 0 0.5 0:18.23 0:18 yum-updatesd 8044 bollingp 15 0 3456 2036 740 S 1 0.1 0:15.56 0:15 imapd 26 root 10 -5 0 0 0 S 0 0.0 0:14.18 0:14 kblockd/1 7989 gmailsit 16 0 3196 1748 736 S 0 0.1 0:10.43 0:10 imapd iostat -xtk 1 10 output [root@server1 tmp]# iostat -xtk 1 10 Linux 2.6.18-53.el5 12/18/2012 Time: 09:51:06 PM avg-cpu: %user %nice %system %iowait %steal %idle 5.83 0.19 2.53 11.85 0.00 79.60 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 1.37 118.83 18.70 54.27 131.47 692.72 22.59 4.90 67.19 3.10 22.59 sdb 0.35 39.33 20.33 61.43 158.79 403.22 13.75 5.23 63.93 3.77 30.80 Time: 09:51:07 PM avg-cpu: %user %nice %system %iowait %steal %idle 1.50 0.00 0.50 24.00 0.00 74.00 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 25.00 2.00 2.00 128.00 108.00 118.00 0.03 7.25 4.00 1.60 sdb 0.00 16.00 41.00 145.00 200.00 668.00 9.33 107.92 272.72 5.38 100.10 Time: 09:51:08 PM avg-cpu: %user %nice %system %iowait %steal %idle 2.00 0.00 1.50 29.50 0.00 67.00 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 95.00 3.00 33.00 12.00 480.00 27.33 0.07 1.72 1.31 4.70 sdb 0.00 14.00 1.00 228.00 4.00 960.00 8.42 143.49 568.01 4.37 100.10 Time: 09:51:09 PM avg-cpu: %user %nice %system %iowait %steal %idle 13.28 0.00 2.76 21.30 0.00 62.66 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 21.00 1.00 19.00 16.00 192.00 20.80 0.06 3.55 1.30 2.60 sdb 0.00 36.00 28.00 181.00 124.00 884.00 9.65 121.16 617.31 4.79 100.10 Time: 09:51:10 PM avg-cpu: %user %nice %system %iowait %steal %idle 4.74 0.00 1.50 25.19 0.00 68.58 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 20.00 3.00 15.00 12.00 136.00 16.44 0.17 7.11 3.11 5.60 sdb 0.00 0.00 103.00 60.00 544.00 248.00 9.72 52.35 545.23 6.14 100.10 Time: 09:51:11 PM avg-cpu: %user %nice %system %iowait %steal %idle 1.24 0.00 1.24 25.31 0.00 72.21 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 75.00 4.00 28.00 16.00 416.00 27.00 0.08 3.72 2.03 6.50 sdb 2.00 9.00 124.00 17.00 616.00 104.00 10.21 3.73 213.73 7.10 100.10 Time: 09:51:12 PM avg-cpu: %user %nice %system %iowait %steal %idle 1.00 0.00 0.75 24.31 0.00 73.93 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 24.00 1.00 9.00 4.00 132.00 27.20 0.01 1.20 1.10 1.10 sdb 4.00 40.00 103.00 48.00 528.00 212.00 9.80 105.21 104.32 6.64 100.20 Time: 09:51:13 PM avg-cpu: %user %nice %system %iowait %steal %idle 2.50 0.00 1.75 23.25 0.00 72.50 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 125.74 3.96 46.53 15.84 689.11 27.92 0.20 4.06 2.41 12.18 sdb 2.97 0.00 91.09 84.16 419.80 471.29 10.17 85.85 590.78 5.66 99.11 Time: 09:51:14 PM avg-cpu: %user %nice %system %iowait %steal %idle 0.75 0.00 0.50 24.94 0.00 73.82 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 88.00 1.00 7.00 4.00 380.00 96.00 0.04 4.38 3.00 2.40 sdb 3.00 7.00 111.00 44.00 540.00 208.00 9.65 18.58 581.79 6.46 100.10 Time: 09:51:15 PM avg-cpu: %user %nice %system %iowait %steal %idle 11.03 0.00 3.26 26.57 0.00 59.15 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0.00 145.00 7.00 53.00 28.00 792.00 27.33 0.15 2.50 1.55 9.30 sdb 1.00 0.00 155.00 0.00 800.00 0.00 10.32 2.85 18.63 6.46 100.10 [root@server1 tmp]# MySQL Show Full Processlist mysql> show full processlist; +------+---------------+-----------+-----------------------+----------------+------+----------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Id | User | Host | db | Command | Time | State | Info | +------+---------------+-----------+-----------------------+----------------+------+----------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 1 | DB_USER_ONE | localhost | DB_ONE | Query | 3 | waiting for handler insert | INSERT DELAYED INTO defers (mailtime,msgid,email,transport_method,message,host,ip,router,deliveryuser,deliverydomain) VALUES(FROM_UNIXTIME('1355879748'),'1TivwL-0003y8-8l','[email protected]','remote_smtp','SMTP error from remote mail server after initial connection: host mx1.mail.tw.yahoo.com [203.188.197.119]: 421 4.7.0 [TS01] Messages from 75.125.90.146 temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html','mx1.mail.tw.yahoo.com','203.188.197.119','lookuphost','','') | | 2 | DELAYED | localhost | DB_ONE | Delayed insert | 52 | insert | | | 3 | DELAYED | localhost | DB_ONE | Delayed insert | 68 | insert | | | 911 | DELAYED | localhost | DB_ONE | Delayed insert | 99 | Waiting for INSERT | | | 993 | DB_USER_TWO | localhost | DB_TWO | Sleep | 832 | | NULL | | 994 | DB_USER_ONE | localhost | DB_ONE | Query | 185 | Locked | delete from failures where FROM_UNIXTIME(UNIX_TIMESTAMP(NOW())-1296000) > mailtime | | 1102 | DB_USER_THREE | localhost | DB_THREE | Query | 29 | NULL | commit | | 1249 | DB_USER_FOUR | localhost | DB_FOUR | Query | 13 | NULL | commit | | 1263 | root | localhost | DB_FIVE | Query | 0 | NULL | show full processlist | | 1264 | DB_USER_SIX | localhost | DB_SIX | Query | 3 | NULL | commit | +------+---------------+-----------+-----------------------+----------------+------+----------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 10 rows in set (0.00 sec)

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• Hot to fix nautilus desktop on linux mint

  - by user59530

  so I'm using Linux Mint 13 with Cinnamon and suddenly there are no icons on the desktop and the right click doesn't work, it's like the desktop doesn't start up at all, but the Cinnamon interface and everything else are working just fine. This happens only when I open the session with Cinnamon, if I start the session on the classic Gnome or MATE the desktop works. I tried to re-install Cinnamon but nothing changed. Then, I noticed that there are some little problems in Nautilus (sometimes menus aren't the color they're supposed to be), so I'm convinced that Nautilus might be the problem, but I don't know how to fix this, I've tried a few thing but I'm starting to fear that I'm only making it worse. Also, when I open the terminal and type in nautilus here's what's shows up, any help? (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:85:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:192:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:228:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:275:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:310:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:389:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:737:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1095:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1137:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1755:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1856:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1873:18: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1889:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1947:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1954:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1967:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2025:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2075:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2090:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2195:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: gnome-panel.css:92:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:15:15: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:15:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:79:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:84:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:113:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nautilus.css:118:18: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:15:15: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:15:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:79:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:84:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:113:17: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING **: Theme parsing error: nemo.css:118:18: Not using units is deprecated. Assuming 'px'. (nautilus:2906): Gtk-WARNING *: Theme parsing error: unity.css:21:18: Not using units is deprecated. Assuming 'px'. Initializing nautilus-dropbox 1.4.0 Initializing nautilus-open-terminal extension * Message: Initializing gksu extension...

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• Apache logs: "::1 ... "OPTIONS * HTTP/1.0" 200 -

  - by Meltemi

  Just looking at logs of a not-so-busy site on one of our Apache servers and notice tons of these in the log: ::1 - - [15/Apr/2011:12:11:40 -0700] "OPTIONS * HTTP/1.0" 200 - ::1 - - [15/Apr/2011:12:11:41 -0700] "OPTIONS * HTTP/1.0" 200 - ::1 - - [15/Apr/2011:12:11:44 -0700] "OPTIONS * HTTP/1.0" 200 - They seem to appear multiple times just below the GET requests where Apache has served a page & its related images. what do they mean? what IP is "::1"? if they're benign can I suppress them?

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• Oracle Day 2013 Istanbul – 14.Kasim.2013

  - by TUFEKCIOGLU,FATIH

  Oracle Day 2013 Istanbul – 14.Kasim.2013 Yeni Teknolojiler. Yeni Dünya.  Sayfa duzgun goruntulenemiyorsa etkinlik takvimine asagidaki linkten ulasabilirsiniz : https://blogs.oracle.com/fatihtufekcioglu/resource/Oracle_Day_Istanbul_14.Kasim.2013_blogs.oracle.com.fatihtufekcioglu.html#! charset=iso-8859-1"> "> Hemen Kaydolun! Oracle Day 2013 Istanbul Istanbul Kongre Merkezi Taskisla Caddesi Harbiye 34367 Istanbul / Türkiye 14 Kasim 2013, Persembe 08:30 - 18:00 LCV: [email protected] Oracle Day 2013 Istanbul Yeni Teknolojiler. Yeni Dünya. 14 Kasim 2013 Sayin Davetlimiz, Teknoloji, dünyayi sürekli degistirmeye devam ediyor. Bulut bilisim, mobil çözümler, büyük veri ve nesnelerin interneti güçlerini birlestirerek, eski is modellerini altüst edip inovasyonu ön plana çikartiyorlar. Organizasyonlar ise bu yeni dünyaya ayak uydurmak için bir yandan sürekli degisimi saglamaya çalisirken, diger yandan da isletmelerini en iyi sekilde yönetmeye devam etmek zorundalar. Peki organizasyonlar bu dengeyi nasil koruyorlar? Oracle Day 2013 Istanbul'da birçok Oracle müsterisinden dinleyeceginiz basari hikayeleriyle bunun nasil mümkün oldugunu görebilirsiniz. Etkinlige katilarak: Teknolojinin, yeni is modellerini ve firsatlarini nasil atesledigini ögrenebilir, Inovasyonu ön plana çikartmak için bilgi teknolojilerini sadelestiren sirketlerin basari hikayelerini dinleyebilir, Sizinle ayni zorluklari tecrübe eden sektör profesyonelleriyle biraraya gelebilir, Oracle'dan en yeni ürün haberlerini ve duyurularini takip etme firsati bulabilirsiniz. Oracle ve is ortaklariyla bulusmak, müsteri basari hikayelerini dinlemek, sosyal ve mobil etkilesimler için firsatlar yakalamak, uygulamali demolar izlemek ve daha fazlasi için Oracle Day 2013 Istanbul'da bize katilmanizdan memnuniyet duyacagiz. Hemen Kaydolun. Saygilarimizla, Oracle Türkiye Oracle Is Ortagi Müsteri Basari Hikayesi TROUG Sunum Ingilizcedir Program 08:30-09:30 Kayit 09:30-10:00 Hos Geldiniz Filiz Dogan, Genel Müdür, Oracle Türkiye 10:00-10:30 Keynote Andrew Sutherland, SVP, EMEA Technology, Oracle 10:30-11:00 Yapi Kredi ve Oracle Cahit Erdogan, Bilisim Teknolojileri ve Operasyon Yönetimi Genel Müdür Yardimcisi, Yapi Kredi Bankasi 11:00-11:30 150. Yasinda Ziraat'te Teknolojinin Dünü, Bugünü, Yarini Yunus Uygur Kocaoglu, Ziraat Teknoloji Genel Müdürü & Bilgi Teknolojileri Yönetimi Genel Müdür Yardimcisi, Ziraat Bankasi 11:30-11:45 Oracle Day'de 5. Yil Sezgin Aslan, Is Gelistirme Grup Yöneticisi, Innova 11:45-13:00 Ögle Yemegi Salon 1 Salon 2 Salon 3 Salon 4 Salon 5 Salon 6 Salon 7 Salon 8 Bulut Bilisim Çözümleri Büyük Veri & Analitik Çözümler Mobil Dünyada Orta Katman Çözümleri Is Uygulamalari I Is Uygulamalari II Modern Veri Merkezi Oracle & Is Ortaklari Çözümleri & Basari Hikayeleri TROUG (Oracle User Group) 13:00-13:30 Bulutunuza Yön Verin! Big Data at Work: Transform Your Business with Analytics Your Blueprint For Driving Enterprise Mobile Strategy Empowering Modern Business in the Cloud - Is Optimizasyonu Hayal Degil! Degisime Dünden Hazir Olmak: "BAT E-Fatura Projesi” Panel: "Türkiye'de Nitelikli Bilisim Elemani Yetistirilmesi" Oracle Oracle Oracle Oracle Oracle Idea Teknoloji British American Tobacco Oracle TROUG 13:30-13:40 Kahve Molasi 13:40-14:10 12c ile Veritabani Buluta Tasindi, Peki ya Siz? Büyüklük Sizde Kalsin BT Öncüleri için Uygulama Sunucusu Platformu Vakif Emeklilik Muhasebe ve Lojistik Sistemler Dönüsüm Projesi JD Edwards EnterpriseOne: Kapsamli, Kullanici Dostu ve Yenilikçi Modern Veri Merkezleri için Etkin Oracle Sunuculari Ziraat Bankasi Exadata Basari Hikayesi Oracle Database 12c Önemli Özellikler (DB/DWH) Oracle Etiya Oracle Innova Oracle Oracle Ziraat Bankasi TROUG 14:10-14:20 Kahve Molasi 14:20-14:50 Oracle Bulutunuza Bir Mimarin Bakisi Odakliligin Gücü: Oracle BI Dashboard Kullanimiyla Performans Yönetimi Kurumsal Uygulamalarin Mobil Dünyaya Entegrasyonu Müsteri Karsisinda Tutarli, Etkin ve Tekil Durus: Mükemmel Müsteri Deneyimi Etkin Planlama ve Satin Alma ile Tedarik Zincirinden "Deger Zinciri"ne Dönüsüm Oracle Uygulamalari için Tasarlanmis Veri Depolama Sistemleri Bütünlesik Sistemler (Engineered Systems) için Platinum Hizmetler Sql/PLSQL Yeni Özellikler Oracle ING Oracle Oracle Oracle Oracle Oracle TROUG 14:50-15:00 Kahve Molasi 15:00-15:30 Oracle Enterprise Manager 12c: How Does It Support the Cloud? Veri Analizinde Yeni Yorum, Endeca ile Yeni Bakis Kurumsal Bilginin Yolculugu Basariya Giden Yol: Satis, Pazarlama ve Sosyal Medya Elele Kurumsal Performans Yönetimi (EPM) ile Is Potansiyelinizi Açiga Çikarin! Oracle Sunucu ve Veri Depolama Teknolojilerine Hizli Geçis - Avea Basari Hikayesi SAP Uygulamalari Oracle Engineered (Bütünlesik) Sistemler ile Daha Iyi Çalisiyor - Koçtas Basari Hikayesi Oracle EBS R12.2 Yeni Özellikler Oracle Gtech Oracle Innova Oracle Oracle Avea Oracle Koçtas TROUG 15:30-15:40 Kahve Molasi 15:40-16:10 Oracle Real Application Testing (RAT) ile Partitioning Islemleri, Oracle RAT'in Finansbank'taki Kullanim Alanlari Degisen Pazar Kosullarina Hizli Bütçe Revizyonu ile Adaptasyon Mobil Cihazlar için Erisim Yönetimi ve Güvenlik Yönetisim, Yasal Uyumluluk ve Süreç Optimizasyonu Lider Ise Alim Çözümü Taleo ile Bireysel Basaridan Kurumsal Basariya Oracle Bütünlesik Sistemleri ile Kendi Bulut Ortaminizi Yaratin Akçelik ERP Seçimi JDEdwards Exadata - Maximum Availability Architecture Best Practices Avea Finansbank IBTECH Gtech Oracle PwC Oracle Oracle Akçelik Kora Oracle 16:10-16:20 Kahve Molasi 16:20-16:50 Orta Katman da Bulutlu Hizli Veri mi Büyük Veri mi? Her Tür Süreç Ihtiyaci için Oracle BPM - Demo CRM Dünyasinin Tecrübeli Yildizi Siebel'in Bugünü ve Yarini Fusion ile IK Stratejilerinizi Bulutlara Tasimak Esnek ve Dinamik Veri Merkezi Altyapilari Kurulum Süresi En SADE ERP. Oracle Business Accelerator ile ERP'de Jet Hizi! Nefis: EDQ, OGG ve ODI Exadata Üzerinde Oracle Oracle Oracle KRBB Oracle Oracle AWR Oracle SADE Organik Labrys Danismanlik TROUG 16:50-18:00 Kokteyl & Oracle Infiniband Konseri PANELISTLER: Esref Adali: ITÜ Bilgisayar Mühendisligi Bölüm Baskani ve Bilisim Enstitüsü Bilgi Teknolojileri Programi Anabilim Dali Baskani Kemal Ciliz: TÜBISAD Yönetim Kurulu Baskani Zekeriya Besiroglu: Oracle Bilgisayar Programcilar Dernegi Yönetim Kurulu Baskani MODERATÖR: Cem Satana, Oracle Genel Müdür Yardimcisi ">Eger bir kamu kurumunun/kurulusunun çalisani veya görevlisi iseniz, bu etkinlige iliskin önemli etik kurallara iliskin bilgi için lütfen buraya tiklayiniz -- Copyright 2013, Oracle and/or its affiliates. All rights reserved. Bize Ulasin | Yasal Uyarilar | Gizlilik Beyani Etkinlik takvimi : https://blogs.oracle.com/fatihtufekcioglu/resource/Oracle_Day_Istanbul_14.Kasim.2013_blogs.oracle.com.fatihtufekcioglu.html#!

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• To ref or not to ref

  - by nmarun

  So the question is what is the point of passing a reference type along with the ref keyword? I have an Employee class as below: 1: public class Employee 2: { 3: public string FirstName { get; set; } 4: public string LastName { get; set; } 5:  6: public override string ToString() 7: { 8: return string.Format("{0}-{1}", FirstName, LastName); 9: } 10: } In my calling class, I say: 1: class Program 2: { 3: static void Main() 4: { 5: Employee employee = new Employee 6: { 7: FirstName = "John", 8: LastName = "Doe" 9: }; 10: Console.WriteLine(employee); 11: CallSomeMethod(employee); 12: Console.WriteLine(employee); 13: } 14:  15: private static void CallSomeMethod(Employee employee) 16: { 17: employee.FirstName = "Smith"; 18: employee.LastName = "Doe"; 19: } 20: }   After having a look at the code, you’ll probably say, Well, an instance of a class gets passed as a reference, so any changes to the instance inside the CallSomeMethod, actually modifies the original object. Hence the output will be ‘John-Doe’ on the first call and ‘Smith-Doe’ on the second. And you’re right: So the question is what’s the use of passing this Employee parameter as a ref? 1: class Program 2: { 3: static void Main() 4: { 5: Employee employee = new Employee 6: { 7: FirstName = "John", 8: LastName = "Doe" 9: }; 10: Console.WriteLine(employee); 11: CallSomeMethod(ref employee); 12: Console.WriteLine(employee); 13: } 14:  15: private static void CallSomeMethod(ref Employee employee) 16: { 17: employee.FirstName = "Smith"; 18: employee.LastName = "Doe"; 19: } 20: } The output is still the same: Ok, so is there really a need to pass a reference type using the ref keyword? I’ll remove the ‘ref’ keyword and make one more change to the CallSomeMethod method. 1: class Program 2: { 3: static void Main() 4: { 5: Employee employee = new Employee 6: { 7: FirstName = "John", 8: LastName = "Doe" 9: }; 10: Console.WriteLine(employee); 11: CallSomeMethod(employee); 12: Console.WriteLine(employee); 13: } 14:  15: private static void CallSomeMethod(Employee employee) 16: { 17: employee = new Employee 18: { 19: FirstName = "Smith", 20: LastName = "John" 21: }; 22: } 23: } In line 17 you’ll see I’ve ‘new’d up the incoming Employee parameter and then set its properties to new values. The output tells me that the original instance of the Employee class does not change. Huh? But an instance of a class gets passed by reference, so why did the values not change on the original instance or how do I keep the two instances in-sync all the times? Aah, now here’s the answer. In order to keep the objects in sync, you pass them using the ‘ref’ keyword. 1: class Program 2: { 3: static void Main() 4: { 5: Employee employee = new Employee 6: { 7: FirstName = "John", 8: LastName = "Doe" 9: }; 10: Console.WriteLine(employee); 11: CallSomeMethod(ref employee); 12: Console.WriteLine(employee); 13: } 14:  15: private static void CallSomeMethod(ref Employee employee) 16: { 17: employee = new Employee 18: { 19: FirstName = "Smith", 20: LastName = "John" 21: }; 22: } 23: } Viola! Now, to prove it beyond doubt, I said, let me try with another reference type: string. 1: class Program 2: { 3: static void Main() 4: { 5: string name = "abc"; 6: Console.WriteLine(name); 7: CallSomeMethod(ref name); 8: Console.WriteLine(name); 9: } 10:  11: private static void CallSomeMethod(ref string name) 12: { 13: name = "def"; 14: } 15: } The output was as expected, first ‘abc’ and then ‘def’ - proves the 'ref' keyword works here as well. Now, what if I remove the ‘ref’ keyword? The output should still be the same as the above right, since string is a reference type? 1: class Program 2: { 3: static void Main() 4: { 5: string name = "abc"; 6: Console.WriteLine(name); 7: CallSomeMethod(name); 8: Console.WriteLine(name); 9: } 10:  11: private static void CallSomeMethod(string name) 12: { 13: name = "def"; 14: } 15: } Wrong, the output shows ‘abc’ printed twice. Wait a minute… now how could this be? This is because string is an immutable type. This means that any time you modify an instance of string, new memory address is allocated to the instance. The effect is similar to ‘new’ing up the Employee instance inside the CallSomeMethod in the absence of the ‘ref’ keyword. Verdict: ref key came to the rescue and saved the planet… again!

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• What is hogging my connection?

  - by SF.

  At times it seems like dozens, if not hundreds of root-owned HTTP connections spring up. This is not much of a problem on LAN or WLAN as each of them seems to transfer very little, but if I use GPRS link, my ping times go into minutes (seriously, 80000ms is not infrequent!) and all connections grind to a halt waiting till these end. This usually lasts some 15 minutes and ends about when I start troubleshooting it for real. I've managed to capture a fragment of Nethogs output NetHogs version 0.8.0 PID USER PROGRAM DEV SENT RECEIVED ? root 37.209.147.180:59854-141.101.114.59:80 0.013 0.000 KB/sec ? root 37.209.147.180:59853-141.101.114.59:80 0.000 0.000 KB/sec ? root 37.209.147.180:52804-173.194.70.95:80 0.000 0.000 KB/sec 1954 bw /home/bw/.dropbox-dist/dropbox ppp0 0.000 0.000 KB/sec ? root 37.209.147.180:59851-141.101.114.59:80 0.000 0.000 KB/sec ? root 37.209.147.180:59850-141.101.114.59:80 0.000 0.000 KB/sec ? root 37.209.147.180:52801-173.194.70.95:80 0.000 0.000 KB/sec 13301 bw /usr/lib/firefox/firefox ppp0 0.000 0.000 KB/sec ? root unknown TCP 0.000 0.000 KB/sec Unfortunately, it doesn't display the owning process of these. Does anyone recognize these addresses or is able to suggest how to troubleshoot it further or disable it? Is it some automatic update or something like that? EDIT: per request; netstat -n, for obvious reason that normal netstat won't ever launch as all DNS requests are hogged just the same. netstat -n Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 1 93.154.166.62:51314 198.252.206.16:80 FIN_WAIT1 tcp 0 1 37.209.147.180:44098 198.252.206.16:80 FIN_WAIT1 tcp 0 1 37.209.147.180:59855 141.101.114.59:80 FIN_WAIT1 tcp 1 0 192.168.43.224:38237 213.189.45.39:443 CLOSE_WAIT tcp 1 0 93.154.146.186:35167 75.101.152.29:80 CLOSE_WAIT tcp 1 0 192.168.43.224:32939 199.15.160.100:80 CLOSE_WAIT tcp 1 0 192.168.43.224:55619 63.245.217.207:443 CLOSE_WAIT tcp 1 0 93.154.146.186:60210 75.101.152.29:443 CLOSE_WAIT tcp 1 0 192.168.43.224:32944 199.15.160.100:80 CLOSE_WAIT tcp 0 1 37.209.147.180:52804 173.194.70.95:80 FIN_WAIT1 tcp 1 0 93.154.146.186:46606 23.21.151.181:80 CLOSE_WAIT tcp 1 0 93.154.146.186:52619 107.22.246.76:80 CLOSE_WAIT tcp 415 0 93.154.146.186:36156 82.112.106.104:80 CLOSE_WAIT tcp 1 0 93.154.146.186:50352 107.22.246.76:443 CLOSE_WAIT tcp 1 0 192.168.43.224:55000 213.189.45.44:443 CLOSE_WAIT tcp 0 1 37.209.147.180:59853 141.101.114.59:80 FIN_WAIT1 tcp 1 0 192.168.43.224:32937 199.15.160.100:80 CLOSE_WAIT tcp 1 0 192.168.43.224:56055 93.184.221.40:80 CLOSE_WAIT tcp 415 0 93.154.146.186:36155 82.112.106.104:80 CLOSE_WAIT tcp 0 1 37.209.147.180:44097 198.252.206.16:80 FIN_WAIT1 tcp 1 0 93.154.146.186:35166 75.101.152.29:80 CLOSE_WAIT tcp 1 0 192.168.43.224:32943 199.15.160.100:80 CLOSE_WAIT tcp 1 0 93.154.146.186:46607 23.21.151.181:80 CLOSE_WAIT tcp 1 0 93.154.146.186:36422 23.21.151.181:443 CLOSE_WAIT tcp 1 0 192.168.43.224:36081 93.184.220.148:80 CLOSE_WAIT tcp 1 0 192.168.43.224:44462 213.189.45.29:443 CLOSE_WAIT tcp 1 0 192.168.43.224:32938 199.15.160.100:80 CLOSE_WAIT tcp 1 0 93.154.146.186:36419 23.21.151.181:443 CLOSE_WAIT tcp 0 497 93.154.166.62:51313 198.252.206.16:80 FIN_WAIT1 tcp 0 1 37.209.147.180:59851 141.101.114.59:80 FIN_WAIT1 tcp 0 1 37.209.147.180:44095 198.252.206.16:80 FIN_WAIT1 tcp 1 0 93.154.146.186:46611 23.21.151.181:80 CLOSE_WAIT tcp 1 0 192.168.43.224:38236 213.189.45.39:443 CLOSE_WAIT tcp 0 171 37.209.147.180:45341 173.194.113.146:443 ESTABLISHED tcp 0 1 37.209.147.180:52801 173.194.70.95:80 FIN_WAIT1 tcp 1 0 192.168.43.224:36080 93.184.220.148:80 CLOSE_WAIT tcp 0 1 37.209.147.180:59856 141.101.114.59:80 FIN_WAIT1 tcp 0 1 37.209.147.180:44096 198.252.206.16:80 FIN_WAIT1 tcp 0 1 93.154.166.62:57471 108.160.162.49:80 FIN_WAIT1 tcp 0 1 37.209.147.180:59854 141.101.114.59:80 FIN_WAIT1 tcp 0 171 37.209.147.180:45340 173.194.113.146:443 ESTABLISHED tcp 0 168 37.209.147.180:45334 173.194.113.146:443 FIN_WAIT1 tcp 1 0 93.154.146.186:46609 23.21.151.181:80 CLOSE_WAIT tcp 0 1248 93.154.166.62:58270 64.251.23.59:443 FIN_WAIT1 tcp 0 1 37.209.147.180:59850 141.101.114.59:80 FIN_WAIT1 tcp 1 0 93.154.146.186:35181 75.101.152.29:80 CLOSE_WAIT tcp 232 0 93.154.172.168:46384 198.252.206.25:80 ESTABLISHED tcp 1 0 93.154.146.186:52618 107.22.246.76:80 CLOSE_WAIT tcp 1 0 93.154.172.168:36298 173.194.69.95:443 CLOSE_WAIT tcp 1 0 93.154.146.186:60209 75.101.152.29:443 CLOSE_WAIT tcp 0 168 37.209.147.180:45335 173.194.113.146:443 FIN_WAIT1 tcp 415 0 93.154.146.186:36157 82.112.106.104:80 CLOSE_WAIT tcp 1 0 192.168.43.224:36082 93.184.220.148:80 CLOSE_WAIT tcp 1 0 192.168.43.224:32942 199.15.160.100:80 CLOSE_WAIT tcp 1 0 93.154.146.186:50350 107.22.246.76:443 CLOSE_WAIT tcp 1 0 192.168.43.224:32941 199.15.160.100:80 CLOSE_WAIT tcp 0 534 37.209.147.180:44089 198.252.206.16:80 FIN_WAIT1 tcp 1 0 93.154.146.186:46608 23.21.151.181:80 CLOSE_WAIT tcp 1 0 93.154.146.186:46612 23.21.151.181:80 CLOSE_WAIT udp 0 0 37.209.147.180:49057 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:51631 193.41.112.18:53 ESTABLISHED udp 0 0 37.209.147.180:34827 193.41.112.18:53 ESTABLISHED udp 0 0 37.209.147.180:35908 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:44106 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:42184 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:54485 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:42216 193.41.112.18:53 ESTABLISHED udp 0 0 37.209.147.180:51961 193.41.112.14:53 ESTABLISHED udp 0 0 37.209.147.180:48412 193.41.112.14:53 ESTABLISHED The interesting lines from ping got lost, but the summary over past few hours is: --- 8.8.8.8 ping statistics --- 107459 packets transmitted, 104376 received, +22 duplicates, 2% packet loss, time 195427362ms rtt min/avg/max/mdev = 24.822/528.132/90538.257/2519.263 ms, pipe 90 EDIT: Per request: Happened again, reboot didn't help but cleaned up all "hanging" processes. Currently netstat shows: bw@pony:/var/log$ netstat -n -t Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 93.154.188.68:42767 74.125.239.143:443 TIME_WAIT tcp 0 0 93.154.188.68:50270 173.194.69.189:443 ESTABLISHED tcp 0 0 93.154.188.68:45250 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:53488 173.194.32.198:80 ESTABLISHED tcp 0 0 93.154.188.68:53490 173.194.32.198:80 ESTABLISHED tcp 0 159 93.154.188.68:42741 74.125.239.143:443 LAST_ACK tcp 0 0 93.154.188.68:45808 198.252.206.25:80 ESTABLISHED tcp 0 0 93.154.188.68:52449 173.194.32.199:443 ESTABLISHED tcp 0 0 93.154.188.68:52600 173.194.32.199:443 TIME_WAIT tcp 0 0 93.154.188.68:50300 173.194.69.189:443 TIME_WAIT tcp 0 0 93.154.188.68:45253 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:46252 173.194.32.204:443 ESTABLISHED tcp 0 0 93.154.188.68:45246 190.93.244.58:80 ESTABLISHED tcp 0 0 93.154.188.68:47064 173.194.113.143:443 ESTABLISHED tcp 0 0 93.154.188.68:34484 173.194.69.95:443 ESTABLISHED tcp 0 0 93.154.188.68:45252 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:54290 173.194.32.202:443 ESTABLISHED tcp 0 0 93.154.188.68:47063 173.194.113.143:443 ESTABLISHED tcp 0 0 93.154.188.68:53469 173.194.32.198:80 TIME_WAIT tcp 0 0 93.154.188.68:45242 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:53468 173.194.32.198:80 ESTABLISHED tcp 0 0 93.154.188.68:50299 173.194.69.189:443 TIME_WAIT tcp 0 0 93.154.188.68:42764 74.125.239.143:443 TIME_WAIT tcp 0 0 93.154.188.68:45256 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:58047 108.160.162.105:80 ESTABLISHED tcp 0 0 93.154.188.68:45249 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:50297 173.194.69.189:443 TIME_WAIT tcp 0 0 93.154.188.68:53470 173.194.32.198:80 ESTABLISHED tcp 0 0 93.154.188.68:34100 68.232.35.121:443 ESTABLISHED tcp 0 0 93.154.188.68:42758 74.125.239.143:443 ESTABLISHED tcp 0 0 93.154.188.68:42765 74.125.239.143:443 TIME_WAIT tcp 0 0 93.154.188.68:39000 173.194.69.95:80 TIME_WAIT tcp 0 0 93.154.188.68:50296 173.194.69.189:443 TIME_WAIT tcp 0 0 93.154.188.68:53467 173.194.32.198:80 ESTABLISHED tcp 0 0 93.154.188.68:42766 74.125.239.143:443 TIME_WAIT tcp 0 0 93.154.188.68:45251 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:45248 190.93.244.58:80 TIME_WAIT tcp 0 0 93.154.188.68:45247 190.93.244.58:80 ESTABLISHED tcp 0 159 93.154.188.68:50254 173.194.69.189:443 LAST_ACK tcp 0 0 93.154.188.68:34483 173.194.69.95:443 ESTABLISHED Output of ps: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.8 0.0 3628 2092 ? Ss 16:52 0:03 /sbin/init root 2 0.0 0.0 0 0 ? S 16:52 0:00 [kthreadd] root 3 0.1 0.0 0 0 ? S 16:52 0:00 [ksoftirqd/0] root 4 0.1 0.0 0 0 ? S 16:52 0:00 [kworker/0:0] root 6 0.0 0.0 0 0 ? S 16:52 0:00 [migration/0] root 7 0.0 0.0 0 0 ? S 16:52 0:00 [watchdog/0] root 8 0.0 0.0 0 0 ? S 16:52 0:00 [migration/1] root 10 0.1 0.0 0 0 ? S 16:52 0:00 [ksoftirqd/1] root 11 0.0 0.0 0 0 ? S 16:52 0:00 [watchdog/1] root 12 0.0 0.0 0 0 ? S 16:52 0:00 [migration/2] root 14 0.1 0.0 0 0 ? S 16:52 0:00 [ksoftirqd/2] root 15 0.0 0.0 0 0 ? S 16:52 0:00 [watchdog/2] root 16 0.0 0.0 0 0 ? S 16:52 0:00 [migration/3] root 17 0.0 0.0 0 0 ? S 16:52 0:00 [kworker/3:0] root 18 0.1 0.0 0 0 ? S 16:52 0:00 [ksoftirqd/3] root 19 0.0 0.0 0 0 ? S 16:52 0:00 [watchdog/3] root 20 0.0 0.0 0 0 ? S< 16:52 0:00 [cpuset] root 21 0.0 0.0 0 0 ? S< 16:52 0:00 [khelper] root 22 0.0 0.0 0 0 ? S 16:52 0:00 [kdevtmpfs] root 23 0.0 0.0 0 0 ? S< 16:52 0:00 [netns] root 24 0.0 0.0 0 0 ? S 16:52 0:00 [sync_supers] root 25 0.0 0.0 0 0 ? S 16:52 0:00 [bdi-default] root 26 0.0 0.0 0 0 ? S< 16:52 0:00 [kintegrityd] root 27 0.0 0.0 0 0 ? S< 16:52 0:00 [kblockd] root 28 0.0 0.0 0 0 ? S< 16:52 0:00 [ata_sff] root 29 0.0 0.0 0 0 ? S 16:52 0:00 [khubd] root 30 0.0 0.0 0 0 ? S< 16:52 0:00 [md] root 42 0.0 0.0 0 0 ? S 16:52 0:00 [khungtaskd] root 43 0.0 0.0 0 0 ? S 16:52 0:00 [kswapd0] root 44 0.0 0.0 0 0 ? SN 16:52 0:00 [ksmd] root 45 0.0 0.0 0 0 ? SN 16:52 0:00 [khugepaged] root 46 0.0 0.0 0 0 ? S 16:52 0:00 [fsnotify_mark] root 47 0.0 0.0 0 0 ? S 16:52 0:00 [ecryptfs-kthrea] root 48 0.0 0.0 0 0 ? S< 16:52 0:00 [crypto] root 59 0.0 0.0 0 0 ? S< 16:52 0:00 [kthrotld] root 70 0.1 0.0 0 0 ? S 16:52 0:00 [kworker/2:1] root 71 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_0] root 72 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_1] root 73 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_2] root 74 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_3] root 75 0.0 0.0 0 0 ? S 16:52 0:00 [kworker/u:2] root 76 0.0 0.0 0 0 ? S 16:52 0:00 [kworker/u:3] root 79 0.0 0.0 0 0 ? S 16:52 0:00 [kworker/1:1] root 99 0.0 0.0 0 0 ? S< 16:52 0:00 [deferwq] root 100 0.0 0.0 0 0 ? S< 16:52 0:00 [charger_manager] root 101 0.0 0.0 0 0 ? S< 16:52 0:00 [devfreq_wq] root 102 0.1 0.0 0 0 ? S 16:52 0:00 [kworker/2:2] root 106 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_4] root 107 0.0 0.0 0 0 ? S 16:52 0:00 [usb-storage] root 108 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_5] root 109 0.0 0.0 0 0 ? S 16:52 0:00 [usb-storage] root 271 0.1 0.0 0 0 ? S 16:52 0:00 [kworker/1:2] root 316 0.0 0.0 0 0 ? S 16:52 0:00 [jbd2/sda1-8] root 317 0.0 0.0 0 0 ? S< 16:52 0:00 [ext4-dio-unwrit] root 440 0.1 0.0 2820 608 ? S 16:52 0:00 upstart-udev-bridge --daemon root 478 0.0 0.0 3460 1648 ? Ss 16:52 0:00 /sbin/udevd --daemon root 632 0.0 0.0 3348 1336 ? S 16:52 0:00 /sbin/udevd --daemon root 633 0.0 0.0 3348 1204 ? S 16:52 0:00 /sbin/udevd --daemon root 782 0.0 0.0 2816 596 ? S 16:52 0:00 upstart-socket-bridge --daemon root 822 0.0 0.0 6684 2400 ? Ss 16:52 0:00 /usr/sbin/sshd -D 102 834 0.2 0.0 4064 1864 ? Ss 16:52 0:01 dbus-daemon --system --fork root 857 0.0 0.1 7420 3380 ? Ss 16:52 0:00 /usr/sbin/modem-manager root 858 0.0 0.0 4784 1636 ? Ss 16:52 0:00 /usr/sbin/bluetoothd syslog 860 0.0 0.0 31068 1496 ? Sl 16:52 0:00 rsyslogd -c5 root 869 0.1 0.1 24280 5564 ? Ssl 16:52 0:00 NetworkManager avahi 883 0.0 0.0 3448 1488 ? S 16:52 0:00 avahi-daemon: running [pony.local] avahi 884 0.0 0.0 3448 436 ? S 16:52 0:00 avahi-daemon: chroot helper root 885 0.0 0.0 0 0 ? S< 16:52 0:00 [kpsmoused] root 892 0.0 0.1 25696 4140 ? Sl 16:52 0:00 /usr/lib/policykit-1/polkitd --no-debug root 923 0.0 0.0 0 0 ? S 16:52 0:00 [scsi_eh_6] root 959 0.0 0.0 0 0 ? S< 16:52 0:00 [krfcommd] root 970 0.0 0.1 7536 3120 ? Ss 16:52 0:00 /usr/sbin/cupsd -F colord 976 0.1 0.3 55080 10396 ? Sl 16:52 0:00 /usr/lib/i386-linux-gnu/colord/colord root 979 0.0 0.0 4632 872 tty4 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty4 root 987 0.0 0.0 4632 884 tty5 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty5 root 994 0.0 0.0 4632 884 tty2 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty2 root 995 0.0 0.0 4632 868 tty3 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty3 root 998 0.0 0.0 4632 876 tty6 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty6 root 1022 0.0 0.0 2176 680 ? Ss 16:52 0:00 acpid -c /etc/acpi/events -s /var/run/acpid.socket root 1029 0.0 0.0 3632 664 ? Ss 16:52 0:00 /usr/sbin/irqbalance daemon 1030 0.0 0.0 2476 120 ? Ss 16:52 0:00 atd root 1031 0.0 0.0 2620 880 ? Ss 16:52 0:00 cron root 1061 0.1 0.0 0 0 ? S 16:52 0:00 [kworker/3:2] root 1064 0.0 1.0 34116 31072 ? SLsl 16:52 0:00 lightdm root 1076 13.4 1.2 118688 37920 tty7 Ssl+ 16:52 0:55 /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswit root 1085 0.0 0.0 0 0 ? S 16:52 0:00 [rts_pstor] root 1087 0.0 0.0 0 0 ? S 16:52 0:00 [rtsx-polling] root 1095 0.0 0.0 0 0 ? S< 16:52 0:00 [cfg80211] root 1127 0.0 0.0 0 0 ? S 16:52 0:00 [flush-8:0] root 1130 0.0 0.0 6136 1824 ? Ss 16:52 0:00 /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /va root 1137 0.0 0.1 24604 3164 ? Sl 16:52 0:00 /usr/lib/accountsservice/accounts-daemon root 1140 0.0 0.0 0 0 ? S< 16:52 0:00 [hd-audio0] root 1188 0.0 0.1 34308 3420 ? Sl 16:52 0:00 /usr/sbin/console-kit-daemon --no-daemon root 1425 0.0 0.0 4632 872 tty1 Ss+ 16:52 0:00 /sbin/getty -8 38400 tty1 root 1443 0.1 0.1 29460 4664 ? Sl 16:52 0:00 /usr/lib/upower/upowerd root 1579 0.0 0.1 16540 3272 ? Sl 16:53 0:00 lightdm --session-child 12 19 bw 1623 0.0 0.0 2232 644 ? Ss 16:53 0:00 /bin/sh /usr/bin/startkde bw 1672 0.0 0.0 4092 204 ? Ss 16:53 0:00 /usr/bin/ssh-agent /usr/bin/gpg-agent --daemon --sh --write-env-file=/home/bw/ bw 1673 0.0 0.0 5492 384 ? Ss 16:53 0:00 /usr/bin/gpg-agent --daemon --sh --write-env-file=/home/bw/.gnupg/gpg-agent-in bw 1676 0.0 0.0 3848 792 ? S 16:53 0:00 /usr/bin/dbus-launch --exit-with-session /usr/bin/startkde bw 1677 0.5 0.0 5384 2180 ? Ss 16:53 0:02 //bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session root 1704 0.3 0.1 25348 3600 ? Sl 16:53 0:01 /usr/lib/udisks/udisks-daemon root 1705 0.0 0.0 6620 728 ? S 16:53 0:00 udisks-daemon: not polling any devices bw 1736 0.0 0.0 2008 64 ? S 16:53 0:00 /usr/lib/kde4/libexec/start_kdeinit +kcminit_startup bw 1737 0.0 0.5 115200 15588 ? Ss 16:53 0:00 kdeinit4: kdeinit4 Running... bw 1738 0.1 0.2 116756 8728 ? S 16:53 0:00 kdeinit4: klauncher [kdeinit] --fd=9 bw 1740 0.6 1.0 340524 31264 ? Sl 16:53 0:02 kdeinit4: kded4 [kdeinit] bw 1742 0.0 0.0 8944 2144 ? S 16:53 0:00 /usr/lib/i386-linux-gnu/gconf/gconfd-2 bw 1746 0.2 0.4 92028 14688 ? S 16:53 0:00 /usr/bin/kglobalaccel bw 1748 0.0 0.4 90804 13500 ? S 16:53 0:00 /usr/bin/kwalletd bw 1752 0.1 0.5 103764 15152 ? S 16:53 0:00 /usr/bin/kactivitymanagerd bw 1758 0.0 0.0 2144 280 ? S 16:53 0:00 kwrapper4 ksmserver bw 1759 0.1 0.5 150016 16088 ? Sl 16:53 0:00 kdeinit4: ksmserver [kdeinit] bw 1763 2.2 1.0 178492 32100 ? Sl 16:53 0:08 kwin bw 1772 0.2 0.5 106292 16340 ? Sl 16:53 0:00 /usr/bin/knotify4 bw 1777 0.9 1.1 246120 32912 ? Sl 16:53 0:03 /usr/bin/krunner bw 1778 6.3 2.7 389884 80216 ? Sl 16:53 0:23 /usr/bin/plasma-desktop bw 1785 0.0 0.0 2844 1208 ? S 16:53 0:00 ksysguardd bw 1789 0.1 0.4 82036 14176 ? S 16:53 0:00 /usr/bin/kuiserver bw 1805 0.3 0.1 61560 5612 ? Sl 16:53 0:01 /usr/bin/akonadi_control root 1806 0.0 0.0 0 0 ? S 16:53 0:00 [kworker/0:2] bw 1808 0.1 0.2 211852 8460 ? Sl 16:53 0:00 akonadiserver bw 1810 0.4 0.8 244116 25360 ? Sl 16:53 0:01 /usr/sbin/mysqld --defaults-file=/home/bw/.local/share/akonadi/mysql.conf --da bw 1874 0.0 0.0 35284 2956 ? Sl 16:53 0:00 /usr/bin/xsettings-kde bw 1876 0.0 0.3 68776 9488 ? Sl 16:53 0:00 /usr/bin/nepomukserver bw 1884 0.4 0.9 173876 29240 ? SNl 16:53 0:01 /usr/bin/nepomukservicestub nepomukstorage bw 1902 6.1 2.1 451512 63924 ? Sl 16:53 0:21 /home/bw/.dropbox-dist/dropbox bw 1906 3.8 1.0 142368 32376 ? Rl 16:53 0:13 /usr/bin/yakuake bw 1933 0.0 0.1 54636 4680 ? Sl 16:53 0:00 /usr/bin/zeitgeist-datahub bw 1943 0.5 1.5 164836 46836 ? Sl 16:53 0:01 python /usr/bin/printer-applet bw 1945 0.1 0.1 99636 5048 ? S<l 16:53 0:00 /usr/bin/pulseaudio --start --log-target=syslog rtkit 1947 0.0 0.0 21336 1248 ? SNl 16:53 0:00 /usr/lib/rtkit/rtkit-daemon bw 1958 0.0 0.1 44204 3792 ? Sl 16:53 0:00 /usr/bin/zeitgeist-daemon bw 1972 0.0 0.0 27008 2684 ? Sl 16:53 0:00 /usr/lib/gvfs/gvfsd bw 1974 0.1 0.5 90480 16660 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_akonotes_resource akonadi_akonotes_res bw 1984 0.1 0.5 90472 16636 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_akonotes_resource akonadi_akonotes_res bw 1985 0.3 0.9 148800 28304 ? S 16:53 0:01 /usr/bin/akonadi_archivemail_agent --identifier akonadi_archivemail_agent bw 1992 0.1 0.5 90020 16148 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_contacts_resource akonadi_contacts_res bw 1993 0.1 0.5 90132 16452 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_contacts_resource akonadi_contacts_res bw 1994 0.1 0.5 90564 16332 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_ical_resource akonadi_ical_resource_0 bw 1995 0.1 0.5 90676 16732 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_ical_resource akonadi_ical_resource_1 bw 1996 0.1 0.5 90468 16800 ? Sl 16:53 0:00 /usr/bin/akonadi_agent_launcher akonadi_maildir_resource akonadi_maildir_resou bw 1999 0.2 0.6 99324 19276 ? S 16:53 0:00 /usr/bin/akonadi_maildispatcher_agent --identifier akonadi_maildispatcher_agen bw 2006 0.3 0.9 148808 28332 ? S 16:53 0:01 /usr/bin/akonadi_mailfilter_agent --identifier akonadi_mailfilter_agent bw 2017 0.0 0.1 50256 4716 ? Sl 16:53 0:00 /usr/lib/zeitgeist/zeitgeist-fts bw 2024 0.2 0.6 103632 18376 ? Sl 16:53 0:00 /usr/bin/akonadi_nepomuk_feeder --identifier akonadi_nepomuk_feeder bw 2043 0.0 0.0 4484 280 ? S 16:53 0:00 /bin/cat bw 2101 0.2 0.7 113600 22396 ? Sl 16:53 0:00 /usr/lib/kde4/libexec/polkit-kde-authentication-agent-1 bw 2105 0.2 0.7 114196 22072 ? Sl 16:53 0:00 /usr/bin/nepomukcontroller bw 2156 0.3 1.0 333188 31244 ? Sl 16:54 0:01 /usr/bin/kmix bw 2167 0.0 0.0 6548 2724 pts/2 Ss 16:54 0:00 /bin/bash bw 2177 0.2 0.7 113496 22960 ? Sl 16:54 0:00 /usr/bin/klipper bw 2394 3.5 1.2 52932 35596 ? SNl 16:54 0:11 /usr/bin/virtuoso-t +foreground +configfile /tmp/virtuoso_hX1884.ini +wait root 2460 0.0 0.0 6184 1876 pts/2 S 16:54 0:00 sudo -s root 2500 0.0 0.0 6528 2700 pts/2 S 16:54 0:00 /bin/bash root 2599 0.0 0.0 5444 1280 pts/2 S+ 16:54 0:00 /bin/bash bin/aero root 2606 0.1 0.0 9836 2500 pts/2 S+ 16:54 0:00 wvdial aero2 root 2619 0.0 0.0 3504 1280 pts/2 S 16:54 0:00 /usr/sbin/pppd 57600 modem crtscts defaultroute usehostname -detach user aero bw 2653 0.0 0.0 6600 2880 pts/3 Ss 16:54 0:00 /bin/bash bw 2676 0.4 0.8 130296 24016 ? SNl 16:54 0:01 /usr/bin/nepomukservicestub nepomukfilewatch bw 2679 0.1 0.7 101636 22252 ? SNl 16:54 0:00 /usr/bin/nepomukservicestub nepomukqueryservice bw 2681 0.2 0.8 109836 24280 ? SNl 16:54 0:00 /usr/bin/nepomukservicestub nepomukbackupsync bw 3833 46.0 9.7 829272 288012 ? Rl 16:55 1:46 /usr/lib/firefox/firefox bw 3903 0.0 0.0 35128 2804 ? Sl 16:55 0:00 /usr/lib/at-spi2-core/at-spi-bus-launcher bw 4708 0.1 0.0 6564 2736 pts/4 Ss 16:56 0:00 /bin/bash root 5210 0.0 0.0 0 0 ? S 16:57 0:00 [kworker/u:0] root 6140 0.2 0.0 0 0 ? S 16:58 0:00 [kworker/0:1] root 6371 0.5 0.0 6184 1868 pts/4 S+ 16:59 0:00 sudo nethogs ppp0 root 6411 17.7 0.2 8616 6144 pts/4 S+ 16:59 0:05 nethogs ppp0 bw 6787 0.0 0.0 5464 1220 pts/3 R+ 16:59 0:00 ps auxw

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• Apache Prefork Configuration

  - by user1618606

  I'm newbie on VPS configuration. So, I've installed apache, php and mysql and now I need to know how to configure Prefork to optimize Apache. The system configuration is: CPU Cores 2 x 2 Ghz @ 4 Ghz RAM Memory 2304 MB DDR3 Burst Memory 3 GB DDR3 Disk Space 30 GB SSD Bandwidth 3 TB SwitchPort 1 Gbps Actually, after linux, mysql, apache and php, there are 250 MB memory in use. Well, I don't have idea to calculate. I saw in some websistes, some vars like: KeepAlive On KeepAliveTimeout 1 MaxKeepAliveRequests 100 StartServers 15 MinSpareServers 15 MaxSpareServers 15 MaxClients 20 MaxRequestsPerChild 0 or StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 How I could to do: Prefork or worker? Where and how the vars are placed? In httpd.conf?

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• Screen (command-line program) bug?

  - by VioletCrime

  fired up my Minecraft server again after about a year off. My server used to run 11.04, which has since been upgraded to 12.04; I lost my management scripts in the upgrade (thought I'd backed up the user's home directory), but whatever, I enjoy developing stuff like that anyways. However, this time around, I'm running into issues. I start the Minecraft server using a detached screen, however the script is unable to 'stuff' commands into the screen instance until I attach to the screen then detach again? Once I do that, I can stuff anything I want into the server's terminal using the -X option, until I stop/start the server again, then I have to reattach and detach in order to restore functionality? Here's the manager script: #!/bin/bash #Name of the screen housing the server (set with the -S flag at startup) SCREENNAME=minecraft1 #Name of the folder housing the Minecraft world FOLDERNAME=world1 startServer (){ if screen -list | grep "$SCREENNAME" > /dev/null then echo "Cannot start Minecraft server; it is already running!" else screen -dmS $SCREENNAME java -Xmx1024M -Xms1024M -jar minecraft_server.jar sleep 2 if screen -list | grep "$SCREENNAME" > /dev/null then echo "Minecraft server started; happy mining!" else echo "ERROR: Minecraft server failed to start!" fi fi; } stopServer (){ if screen -list | grep "$SCREENNAME" > /dev/null then echo "Server is running. Giving a 1-minute warning." screen -S $SCREENNAME -X stuff "/say Shutting down (halt) in one minute." screen -S $SCREENNAME -X stuff $'\015' sleep 45 screen -S $SCREENNAME -X stuff "/say Shutting down (halt) in 15 seconds." screen -S $SCREENNAME -X stuff $'\015' sleep 15 screen -S $SCREENNAME -X stuff "/stop" screen -S $SCREENNAME -X stuff $'\015' else echo "Server is not running; nothing to stop." fi; } stopServerNow (){ if screen -list | grep "$SCREENNAME" > /dev/null then echo "Server is running. Giving a 5-second warning." screen -S $SCREENNAME -X stuff "/say EMERGENCY SHUTDOWN! 5 seconds to halt." screen -S $SCREENNAME -X stuff $'\015' sleep 5 screen -S $SCREENNAME -X stuff "/stop" screen -S $SCREENNAME -X stuff $'\015' else echo "Server is not running; nothing to stop." fi; } restartServer (){ if screen -list | grep "$SCREENNAME" > /dev/null then echo "Server is running. Giving a 1-minute warning." screen -S $SCREENNAME -X stuff "/say Shutting down (restart) in one minute." screen -S $SCREENNAME -X stuff $'\015' sleep 45 screen -S $SCREENNAME -X stuff "/say Shutting down (restart) in 15 seconds." screen -S $SCREENNAME -X stuff $'\015' sleep 15 screen -S $SCREENNAME -X stuff "/stop" screen -S $SCREENNAME -X stuff $'\015' sleep 2 startServer else echo "Cannot restart server: it isn't running." fi; } #In order for this function to work, a directory 'backup/$FOLDERNAME' must exist in the same #directory that '$FOLDERNAME' resides backupWorld (){ if screen -list | grep "$SCREENNAME" > /dev/null then echo "Server is running. Giving a 1-minute warning." screen -S $SCREENNAME -X stuff "/say Shutting down (backup) in one minute." screen -S $SCREENNAME -X stuff $'\015' screen -S $SCREENNAME -X stuff "/say Server should be down for no more than a few seconds." screen -S $SCREENNAME -X stuff $'\015' sleep 45 screen -S $SCREENNAME -X stuff "/say Shutting down for backup in 15 seconds." screen -S $SCREENNAME -X stuff $'\015' sleep 15 screen -S $SCREENNAME -X stuff "/stop" screen -S $SCREENNAME -X stuff $'\015' fi sleep 2 if screen -list | grep $SCREENNAME > /dev/null then echo "Server is still running? Error." else cd .. tar -czvf backup0.tar.gz $FOLDERNAME mv backup0.tar.gz backup/$FOLDERNAME cd backup/$FOLDERNAME rm backup10.tar.gz mv backup9.tar.gz backup10.tar.gz mv backup8.tar.gz backup9.tar.gz mv backup7.tar.gz backup8.tar.gz mv backup6.tar.gz backup7.tar.gz mv backup5.tar.gz backup6.tar.gz mv backup4.tar.gz backup5.tar.gz mv backup3.tar.gz backup4.tar.gz mv backup2.tar.gz backup3.tar.gz mv backup1.tar.gz backup2.tar.gz mv backup0.tar.gz backup1.tar.gz cd ../../$FOLDERNAME screen -dmS $SCREENNAME java -Xmx1024M -Xms1024M -jar minecraft_server.jar; sleep 2 if screen -list | grep "$SCREENNAME" > /dev/null then echo "Minecraft server restarted; happy mining!" else echo "ERROR: Minecraft server failed to start!" fi fi; } printCommands (){ echo echo "$0 usage:" echo echo "Start : Starts the server on a detached screen." echo "Stop : Stop the server; includes a 1-minute warning." echo "StopNOW : Stops the server with only a 5-second warning." echo "Restart : Stops the server and starts the server again." echo "Backup : Stops the server (1 min), backs up the world, and restarts." echo "Help : Display this message." } #Forces case-insensitive string comparisons shopt -s nocasematch #Primary 'Switch' if [[ $1 = "start" ]] then startServer elif [[ $1 = "stop" ]] then stopServer elif [[ $1 = "stopnow" ]] then stopServerNow elif [[ $1 = "backup" ]] then backupWorld elif [[ $1 = "restart" ]] then restartServer else printCommands fi

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• Unmet dependencies when trying to install openssh-server

  - by Sabiya

  I am running sudo-apt get install openssh-server on Ubuntu 12.04 64 bit system. It is giving me the following output. $ sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: gcc-4.6 : Depends: libgcc1 (>= 1:4.6.3-1ubuntu5) but 1:4.6.2-14ubuntu2 is to be installed libc6 : Depends: libc-bin (= 2.15-0ubuntu10.1) libc6-dev : Depends: libc6 (= 2.15-0ubuntu10) but 2.15-0ubuntu10.1 is to be installed libgcc1 : Depends: gcc-4.6-base (= 4.6.2-14ubuntu2) but 4.6.3-1ubuntu5 is to be installed libxplc0.3.13:i386 : Depends: libc6:i386 (>= 2.5-5) but it is not going to be installed Depends: libgcc1:i386 (>= 1:4.2-20070516) but it is not going to be installed Depends: libstdc++6:i386 (>= 4.2-20070516) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

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• Actionscript 3.0 - Enemies do not move right in my platformer game

  - by Christian Basar

  I am making a side-scrolling platformer game in Flash (Actionscript 3.0). I have made lots of progress lately, but I have come across a new problem. I will give some background first. My game level's terrain (or 'floor') is referenced by a MovieClip variable called 'floor.' My desire is to have the Player and enemy characters walk along the terrain. I have gotten the Player character to move on the terrain just fine; he walks up/down hills and falls whenever there is no ground beneath him. Here is the code I created to allow the Player to follow the terrain correctly. Much more code is used to control the Player, but only this code deals with the Player character's following of the terrain and gravity. // If the Player's not on the ground (not touching the 'floor' MovieClip)... if (!onGround) { // Disable ducking downKeyPressed = false; // Increase the Player's 'y' position by his 'y' velocity player.y += playerYVel; } // Increase the 'playerYVel' variable so that the Player will fall // progressively faster down the screen. This code technically // runs "all the time" but in reality it only affects the player // when he's off the ground. playerYVel += gravity; // Give the Player a terminal velocity of 15 px/frame if (playerYVel > 15) { playerYVel = 15; } // If the Player has not hit the 'floor,' increase his falling //speed if (! floor.hitTestPoint(player.x, player.y, true)) { player.y += playerYVel; // The Player is not on the ground when he's not touching it onGround = false; } Since getting this code to work for the Player, I have created a 'SkullDemon' class, which is one of the planned enemies for my game. I want the 'SkullDemon' objects to move along the terrain like the Player does. With lots of great help, I have already coded the EventListeners, etc. necessary for the 'SkullDemons' to move. Unfortunately, I am having trouble getting them to move along the terrain. In fact, they do not touch the terrain at all; they move along the top of the boundary of the 'floor' MovieClip! I had a simple text diagram showing what I mean, but unfortunately Stackoverflow does not format it correctly. I hope my problem is clear from my description. Strangely enough, my code for the Player's movement and the 'SkullDemon's' movement is almost exactly the same, yet the 'SkullDemons' do not move like the Player does. Here is my code for the SkullDemon movement: // Move all of the Skull Demons using this method protected function moveSkullDemons():void { // Go through the whole 'skullDemonContainer' for (var skullDi:int = 0; skullDi < skullDemonContainer.numChildren; skullDi++) { // Set the SkullDemon 'instance' variable to equal the current SkullDemon skullDIns = SkullDemon(skullDemonContainer.getChildAt(skullDi)); // For now, just move the Skull Demons left at 5 units per second skullDIns.x -= 5; // If the Skull Demon has not hit the 'floor,' increase his falling //speed if (! floor.hitTestPoint(skullDIns.x, skullDIns.y, true)) { // Increase the Skull Demon's 'y' position by his 'y' velocity skullDIns.y += skullDIns.sdYVel; // The Skull Demon is not on the ground when he's not touching it skullDIns.sdOnGround = false; } // Increase the 'sdYVel' variable so that the Skull Demon will fall // progressively faster down the screen. This code technically // runs "all the time" but in reality it only affects the Skull Demon // when he's off the ground. if (! skullDIns.sdOnGround) { skullDIns.sdYVel += skullDIns.sdGravity; // Give the Skull Demon a terminal velocity of 15 px/frame if (skullDIns.sdYVel > 15) { skullDIns.sdYVel = 15; } } // What happens when the Skull Demon lands on the ground after a fall? // The Skull Demon is only on the ground ('onGround == true') when // the ground is touching the Skull Demon MovieClip's origin point, // which is at the Skull Demon's bottom centre for (var i:int = 0; i < 10; i++) { // The Skull Demon is only on the ground ('onGround == true') when // the ground is touching the Skull Demon MovieClip's origin point, // which is at the Skull Demon's bottom centre if (floor.hitTestPoint(skullDIns.x, skullDIns.y, true)) { skullDIns.y = skullDIns.y; // Set the Skull Demon's y-axis speed to 0 skullDIns.sdYVel = 0; // The Skull Demon is on the ground again skullDIns.sdOnGround = true; } } } } // End of 'moveSkullDemons()' function It is almost like the 'SkullDemons' are interacting with the 'floor' MovieClip using the hitTestObject() function, and not the hitTestPoint() function which is what I want, and which works for the Player character. I am confused about this problem and would appreciate any help you could give me. Thanks!

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• creating a pre-menu level select screen

  - by Ephiras

  Hi I am working on creating a tower Defence java applet game and have come to a road block about implementing a title screen that i can select the level and difficulty of the rest of the game. my title screen class is called Menu. from this menu class i need to pass in many different variables into my Main class. i have used different classes before and know how to run them and such. but if both classes extend applet and each has its individual graphics method how can i run things from Main even though it was created in Menu. what i essentially want to do is run the Menu class withits action listeners and graphics until a Difficulty button has been selected, run the main class (which 100% works without having to have the Menu class) and pretty much terminate Menu so that i cannot go back to it, do not see its buttons or graphics menus. can i run one applet annd when i choose a button close that one and launch the other one? IF you would like to download the full project you can find it here, i had to comment out all the code that wasn't working my Menu class import java.awt.*; import java.awt.event.*; import java.applet.*; public class Menu extends Applet implements ActionListener{ Button bEasy,bMed,bHard; Main m; public void init(){ bEasy= new Button("Easy"); bEasy.setBounds(140,200,100,50); add(bEasy); bMed = new Button("Medium");bMed.setBounds(280,200,100,50); add(bMed); bHard= new Button("Hard");bHard.setBounds(420,200,100,50); add(bHard); setLayout(null); } public void actionPerformed(ActionEvent e){ Main m = new Main(20,10,3000,mapMed);//break; switch (e.getSource()){ case bEasy: Main m = new Main(6000,20,"levels/levelEasy.png");break;//enimies tower money world case bMed: Main m = new Main(4000,15,"levels/levelMed.png");break; case bHard: Main m = new Main(2000,10,"levels/levelEasy.png");break; default: break; } } public void paint(){ //m.draw(g) } } and here is my main class initialising code. import java.awt.*; import java.awt.event.*; import java.applet.*; import java.io.IOException; public class Main extends Applet implements Runnable, MouseListener, MouseMotionListener, ActionListener{ Button startButton, UpgRange, UpgDamage; //set up the buttons Color roadCol,startCol,finCol,selGrass,selRoad; //set up the colors Enemy e[][]; Tower t[]; Image towerpic,backpic,roadpic,levelPic; private Image i; private Graphics doubleG; //here is the world 0=grass 1=road 2=start 3=end int world[][],eStartX,eStartY; boolean drawMouse,gameEnd; static boolean start=false; static int gridLength=15; static int round=0; int Mx,My,timer=1500; static int sqrSize=31; int towers=0,towerSelected=-10; static int castleHealth=2000; String levelPath; //choose the level Easy Med or Hard int maxEnemy[] = {5,7,12,20,30,15,50,30,40,60};//number of enimies per round int maxTowers=15;//maximum number of towers allowed static int money =2000,damPrice=600,ranPrice=350,towerPrice=700; //money = the intial ammount of money you start of with //damPrice is the price to increase the damage of a tower //ranPrice is the price to increase the range of a tower public void main(int cH,int mT,int mo,int dP,int rP,int tP,String path,int[] mE)//constructor 1 castleHealth=cH; maxTowers=mT; money=mo; damPrice=dP; ranPrice=rP; towerPrice=tP; String levelPath=path; maxEnemy = mE; buildLevel(); } public void main(int cH,int mT,String path)//basic constructor castleHealth=cH; maxTowers=mT; String levelPath=path; maxEnemy = mE; buildLevel(); } public void init(){ setSize(sqrSize*15+200,sqrSize*15);//set the size of the screen roadCol = new Color(255,216,0);//set the colors for the different objects startCol = new Color(0,38,255); finCol = new Color(255,0,0); selRoad = new Color(242,204,155);//selColor is the color of something when your mouse hovers over it selGrass = new Color(0,190,0); roadpic = getImage(getDocumentBase(),"images/road.jpg"); towerpic = getImage(getDocumentBase(),"images/tower.png"); backpic = getImage(getDocumentBase(),"images/grass.jpg"); levelPic = getImage(getDocumentBase(),"images/level.jpg"); e= new Enemy[maxEnemy.length][];//activates all of the enimies for (int r=0;r<e.length;r++) e[r] = new Enemy[maxEnemy[r]]; t= new Tower[maxTowers]; for (int i=0;i<t.length;i++) t[i]= new Tower();//activates all the towers for (int i=0;i<e.length; i++)//sets all of the enimies starting co ordinates for (int j=0;j<e[i].length;j++) e[i][j] = new Enemy(eStartX,eStartY,world); initButtons();//initialise all the buttons addMouseMotionListener(this); addMouseListener(this); }

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