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• How To Create Your Own Custom Google Search Engine

  - by Chris Hoffman

  Have you ever wanted to create a custom Google search engine that searches only specific websites? You can easily do this with Google’s Custom Search Engine tool. You can bookmark your search engine and even share it with other people. This trick works similarly to Google’s site: operator, but you won’t have to type the operator every time you search. It’s particularly useful if you want to search a large number of sites at once. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• how to install/compile CORSIKA/FLUKA for Ubuntu x32 12.04?

  - by Pantea Davoudifar

  I want to use some programs (CORSIKA/FLUKA) which are essentially designed for 32 bit systems. so I installed Ubuntu 12.04 32 bit on my system (Intel® Core™ i7-2700K CPU @ 3.50GHz × 8). Before this I had installed Ubuntu 9.10 (32-bit) on an older system and installed g77 from hardy repositories, compiled those programs without any problem. But this time when changing the repositories, g77 could not be installed even i removed all the things that i thought make this installation impossible, for example I need gcc-3.4 and removed all newer versions and tried to install them from hardy repositories. but the problem is that, whenever I have g77, corsika does not compile, and whenever I remove it, fluka does not compile, and also i received a error messages like this: crt1.o not found in /usr/bin/lb. In fact these .o files does not exist on my system user/bin/lb I have no directory lb there? I do not know how to link it? Or do i need to reinstall everything?

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• k-d tree implementation [closed]

  - by user466441

  when i run my code and debugged,i got this error - this 0x00093584 {_Myproxy=0x00000000 _Mynextiter=0x00000000 } std::_Iterator_base12 * const - _Myproxy 0x00000000 {_Mycont=??? _Myfirstiter=??? } std::_Container_proxy * _Mycont CXX0017: Error: symbol "" not found _Myfirstiter CXX0030: Error: expression cannot be evaluated + _Mynextiter 0x00000000 {_Myproxy=??? _Mynextiter=??? } std::_Iterator_base12 * but i dont know what does it means,code is this #include<iostream> #include<vector> #include<algorithm> using namespace std; struct point { float x,y; }; vector<point>pointleft(4); vector<point>pointright(4); //we are going to implement two comparison function for x and y coordinates,we need it in calculation of median (we should sort vector //by x or y according to depth informaton,is depth even or odd. bool sortby_X(point &a,point &b) { return a.x<b.x; } bool sortby_Y(point &a,point &b) { return a.y<b.y; } //so i am going to implement to median finding algorithm,one for finding median by x and another find median by y point medianx(vector<point>points) { point temp; sort(points.begin(),points.end(),sortby_X); temp=points[(points.size()/2)]; return temp; } point mediany(vector<point>points) { point temp; sort(points.begin(),points.end(),sortby_Y); temp=points[(points.size()/2)]; return temp; } //now construct basic tree structure struct Tree { float x,y; Tree(point a) { x=a.x; y=a.y; } Tree *left; Tree *right; }; Tree * build_kd( Tree *root,vector<point>points,int depth) { point temp; if(points.size()==1)// that point is as a leaf { if(root==NULL) root=new Tree(points[0]); return root; } if(depth%2==0) { temp=medianx(points); root=new Tree(temp); for(int i=0;i<points.size();i++) { if (points[i].x<temp.x) pointleft[i]=points[i]; else pointright[i]=points[i]; } } else { temp=mediany(points); root=new Tree(temp); for(int i=0;i<points.size();i++) { if(points[i].y<temp.y) pointleft[i]=points[i]; else pointright[i]=points[i]; } } return build_kd(root->left,pointleft,depth+1); return build_kd(root->right,pointright,depth+1); } void print(Tree *root) { while(root!=NULL) { cout<<root->x<<" " <<root->y; print(root->left); print(root->right); } } int main() { int depth=0; Tree *root=NULL; vector<point>points(4); float x,y; int n=4; for(int i=0;i<n;i++) { cin>>x>>y; points[i].x=x; points[i].y=y; } root=build_kd(root,points,depth); print(root); return 0; } i am trying ti implement in c++ this pseudo code tuple function build_kd_tree(int depth, set points): if points contains only one point: return that point as a leaf. if depth is even: Calculate the median x-value. Create a set of points (pointsLeft) that have x-values less than the median. Create a set of points (pointsRight) that have x-values greater than or equal to the median. else: Calculate the median y-value. Create a set of points (pointsLeft) that have y-values less than the median. Create a set of points (pointsRight) that have y-values greater than or equal to the median. treeLeft = build_kd_tree(depth + 1, pointsLeft) treeRight = build_kd_tree(depth + 1, pointsRight) return(median, treeLeft, treeRight) please help me what this error means?

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• What are the tactics used to discover what kind of affiliate products will do well in your website?

  - by freethinker

  I'm starting to post some affiliate ads on my website. As it happens, I am not even close to making a sale. I'm not sure if the products I have chosen will appeal to the audience I have. I'm not sure if the volume of traffic is enough to support affiliate programs. I get about 8000-9000 visitors everyday. But since its growing constantly, thats not much of a worry. But I'm surely struggling to figure out what kind of products to market? (its a techie site). Is there a service/tool which can analyze the website and suggest what products will do well and what won't?

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• Code review vs pair programming

  - by mericano1

  I was wondering what is the general idea about code review and pair programming. I do have my own opinion but I'd like to hear from somebody else as well. Here are a few questions, please give me your opinion even on some of the point First of all are you aware of way to measure the effectiveness of this practices? Do you think that if you pair program, code reviews are not necessary or it's still good to have them both? Do you think anybody can do code review or maybe is better done by seniors only? In terms of productivity do you think it suffers from pairing all the times or you will eventually get in back in the long run? Thanks!

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• How can I install Ubuntu (SO many problems)

  - by Dragos

  I have a question, my friend tried installing Ubuntu on my notebook (Asus g75v) and nothing tried, at one point he went past the installation screen and every he used the mouse the screen flickered and the driver crashed (I assume) and it would go back a step, I heard that there is way to install ubuntu without any graphics, maybe that will help me with the screen flickering (I have a gtx 670m), so we tried WUBI installer, I tried installing with that and it gave me a Wubildr.mbr missing error, so I gave that up after several times, although I do notice that I have an intel driver, and I keep downloading AMD versions, does that effect anything? I'm having trouble installing Ubuntu and I wish to be able to run it on my laptop, I want to learn this OS and I cannot even install it, I am a bit concerned, if anyone can back at me with any answer at all, please don't hesitate to post, just please don't post if you don't know what's going on, thanks for listening! ~cheers -Dragos

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• Mediamonkey ratings imported into Rhythmbox/Banshee/Quod Libet

  - by JoshK

  I recently made a complete shift from Windows 7 to Ubuntu 12.04. Everything went smoothly until I scanned my music files in some of the Ubuntu players... All of my ratings added in Windows, using Mediamonkey, were out-of-five-stars (some with a half-star precision) - but when imported into RhythmBox, Banshee and Quod Libet, they all changed to a out-of-four-stars rating, with no five-star songs and no indication of how the old ratings were mapped into the new system. Does anyone know how to fix this? Even getting to know which way the ratings were mapped from 5-star system (with a half-star increment) to a 4-star basis will be very helpful. Thank you!

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• Has an open console any chance to give more strength to the indie game world ?

  - by jokoon

  I have heard about the GPX, but i don't really think the embedded market is mature enough in terms of performance, but what about the home console market ? I'm not talking about last-generation graphics, because that would be economically impossible, but what about an hardware as fast as a playstation 2/Xbox 1/Gamecube ? For games, the trick would be to ask some editors to recompile their best sellers for the new machine: those games being from the PSX age or even older console generations, I think this would have a very low cost job and they could still make some good profit, but I need to know if this is doable technically, considering the architecture which can be quite exotic. Do you think it would be a viable project to talk about to investors ?

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• Is having your own website important?

  - by Josh K

  How necessary or important is it? I try to keep a running list of blogs or sites to follow, but a lot of the time I pull up someone's profile and notice there isn't anything there. Is it really important? I understand are different levels of programming (from C/C++ system programmers to Rails and even Haskell and J) and not everyone works in a language easily worked with for web based applications. Not everything is web-centric, however with the advent of many popular and sometimes free services I don't think it's unreasonable to expect a majority of programmers to have a personal site.

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• How to change default foreign language font

  - by preahkumpii

  I want to know how to change the default font that is used when inputting a particular language. I use the Khmer language frequently, and the default font installed comes from the fonts-khmeros-core package. The fonts are fine, except that there better fonts. Once I install my beloved font, how do I cause Ubuntu to use that font instead of the ones from the package? Additionally, if you remove the fonts-khmeros-core package, and have only the custom font installed, the custom font will not be used by default, even if no other Khmer fonts are installed. However, when you install that package, those fonts are immediately used by default. Any ideas? Thanks.

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• How to manage/control software versions?

  - by Zwie

  I'm facing a problem to create a version control outline for several already existing software parts for my company. Until now no one - expect for the developers - knows that there are different versions, which is the reason for the outline. In fact, I'm supposed to set up the future version control and communicate all this with our management... So, the question is how to create such a outline. Are there principles to follow to make software versioning easier or even a good program to map all versions and there compatibility? And are there generally good approaches to control software versions?

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• Google analytics/adwords account and leaking of private data

  - by Satellite

  I am frequently asked to log into clients google analytics and adwords accounts. If I forget to log out before visiting other google properties (google search, youtube etc), this leaves tracks of my views/searches etc, exposing my activities to the client. Summary: Client gives me access to their Google Analytics / AdWords account I log into clients Analytics account and do some stuff Then in another tab I perform some related google searches to solve some related issues Issues solved, I then close the Analytics tab I then visit google.com, perform some unrelated searches I then visit YouTube, view some unrelated videos All Web and YouTube searches are recorded in clients google account, thus leaking potentially sensitive data Even assuming that I remember to log out correctly at step 4 (as I do 95% of the time), anything I do at step 3 is exposed to the client. I would be surprised if this is not a very common issue. I'm looking for a technical solution to ensure that this can never happen. Any ideas?

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• Kile missing "Settings" dialog after update to kubuntu 12.10

  - by William

  After update to Kubuntu 12.10, I can no longer access configuration options in Kile from Settings-Configure kile (or whatever the menu entry was for configuration). In fact, "Settings" menu has only five entries: "Define current document as master document", "System check", "Show side bar", "Show message bar", and "Toolbars shown." I did a fresh install of Kubuntu 12.10 on one of my other computers, and same problem. I even tried adding the (unsupported) ppa:kile/stable, but the problem persists. Any ideas? I need to access settings to set PDF Latex to use "modern" compilation mode, so that I can use synctex.

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• What standard superseded 830-1998?

  - by user1564158

  I have been looking into how to document software projects more formally, and I have learned about IEEE 830-1998: Recommended Practice for Software Requirements Specifications. However, as you can see from that link, it has been superseded. I know that 830-1998, and probably even 830-1993, are probably just fine for use. However, if nothing else, I would like to know what standard has superseded it. In this case it may not matter, but if other standards are superseded for more technical things, I think it would be a good idea to link somewhere what standard superseded another (if it is not another one in the same line (830, in this case)). It is worth mentioning that: The most recent standard when searching for "Software Requirements Specifications" or "Software Requirements" on the IEEE Standards Association website is 830-1993, The 2004 (current) version of SWEBOK references 830-1993 (paragraph 2.5), The document's Wikipedia article doesn't mention that the standard was superseded. TLDR: How do you find what standard superseded another, and which one took 830-1998's place?

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• google earth 7, 32bit in 12.10 runs without error but there is no image (globe)

  - by Dennis

  Everything seemed to install fine. I can start google earth and all layers are available, I can even zoom in and look at 3-D buildings. But there is absolutely no image data displayed at all. If you look at the whole globe the outlines are there on an invisible globe. As you zoom in the base looks dark grey almost black but there is no image. I have tried. Tools Options Graphics Safe Mode Tools Options Texture colors all combinations Tools Options Cache (tried several changes to the numbers) lspci shows Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03) Running on a Dell Inspiron 6000 laptop (1.5Gb memory)

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• Text box select issue

  - by Kent Boogaart

  I have this issue where the entire text in text boxes is selected whilst I'm typing in it. For example, in FireFox search box I'd try to type "foo" but end up with "o" because I managed to type "fo" before everything was selected, and then typed "o" which replaced the "fo". When it happens, it is incessant - not just a one-off. But it doesn't happen all the time, and I haven't managed to figure out what causes it to start and stop. Is this a known problem with an easy solution? EDIT: this has nothing to do with touchpad. I get this occasionally even on a machine without one. I can usually rectify the issue just be alt-tabbing about a few times.

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• Modules already committed, client doesn't pay, what should I do?

  - by John

  So the story is simple, early stage EU portal hired me to do some extra modules. I got all the source code for local testing, did my job, committed new code. Now I am out of this project but client still haven't paid me yet and he is not even thinking about that. It has been couple of months and no contract was signed so I can't take any legal actions. What should I do with all the source code? Sell it? Run exact copy of that portal? Make all portal publicly available?

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• Newly installed 12.04 on Radeon or NVIDIA type of gfx card?

  - by Falk

  I use a Nvidia Quadro NVS 290/PCIe/SSE2 at work with dual monitor setup. Since 11.10 things has gone downwards with performance. But now with 12.04 performance is even worse, and I can agree that the 290 is old and puny. So when I look what low profile cards I can get to my computer today, the choice it Radeon HD 6570 or NVIDIA Quadro 600. I have always used Nvidia on linux beq I think that historically their drivers worked better. But which one do you recommend today on 12.04 and Unity3d? -- Regards Falk

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• New windows from the dock in Gnome Shell

  - by Andrea

  I am using Gnome Shell on Ubuntu 11.10, and I frequently use workspaces, as the shell encourages to do. My only complaint is that it is slow to place different windows of the same program in different workspaces. What I would like to do: click on an empty workspace, click on the Nautilus icon in the dock and browse to the correct folder. Then click on another empty workspace, click on the Nautilus icon and so on. This does not work: the second time I open Nautilus, the dock lets me switch to the previous instance, which is almost never what I want. So I have to click on the Nautilus icon, open a new window, place it on a different desktop, switch to that folder and finally browse to the correct folder. Is there a way to simplify this flow? It would be even better if I was able to link a specific folder from the dock, or better yet to have something similar to a Unity lens, where I can choose between the most used folders.

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• Equation / formula to determine an objects position on an ellipitcal path

  - by David Murphy

  I'm making a space game, as such I need objects to follow an elliptical path (orbit). I've worked out how to calculate all the important aspects of my orbits, the only remaining thing is how to have an object follow it. My Orbit class contains the major, minor (and by extension semi-major,semi-minor) lengths. The focii radius, area and circumference even. What is the equation to determine an objects x/y position (only need 2D) on an ellipse with a certain speed after a period of time. Basically, every frame I want to update the position based on the amount of elapsed time. I would like to have the speed along the path speed up and slow down according to the distance from the object it's orbiting, but not sure how to factor this in to the above given that at any point in time the speed has changed from it's previous speed. EDIT I can't answer my own question. But I found the question and answer is already on stackexchange: Kepler orbit : get position on the orbit over time

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• My own personal use of Oracle Linux

  - by wcoekaer

  It always is easier to explain something with examples... Many people still don't seem to understand some of the convenient things around using Oracle Linux and since I personally (surprise!) use it at home, let me give you an idea. I have quite a few servers at home and I also have 2 hosted servers with a hosted provider. The servers at home I use mostly to play with random Linux related things, or with Oracle VM or just try out various new Oracle products to learn more. I like the technology, it's like a hobby really. To be able to have a good installation experience and use an officially certified Linux distribution and not waste time trying to find the right libraries, I, of course, use Oracle Linux. Now, at least I can get a copy of Oracle Linux for free (even if I was not working for Oracle) and I can/could use that on as many servers at home (or at my company if I worked elsewhere) for testing, development and production. I just go to http://edelivery.oracle.com/linux and download the version(s) I want and off I go. Now, I also have the right (and not because I am an employee) to take those images and put them on my own server and give them to someone else, I in fact, just recently set up my own mirror on my own hosted server. I don't have to remove oracle-logos, I don't have to rebuild the ISO images, I don't have to recompile anything, I can just put the whole binary distribution on my own server without contract. Perfectly free to do so. Of course the source code of all of this is there, I have a copy of the UEK code at home, just cloned from https://oss.oracle.com/git/?p=linux-2.6-unbreakable.git. And as you can see, the entire changelog, checkins, merges from Linus's tree, complete overview of everything that got changed from kernel to kernel, from patch to patch, errata to errata. No obfuscating, no tar balls and spending time with diff, or go read bug reports to find out what changed (seems silly to me). Some of my servers are on the external network and I need to be current with security errata, but guess what, no problem, my servers are hooked up to http://public-yum.oracle.com which is open, free, and completely up to date, in a consistent, reliable way with any errata, security or bugfix. So I have nothing to worry about. Also, not because I am an employee. Anyone can. And, with this, I also can, and have, set up my own mirror site that hosts these RPMs. both binary and source rpms. Because I am free to get them and distribute them. I am quite capable of supporting my servers on my own, so I don't need to rely on the support organization so I don't need to have a support subscription :-). So I don't need to pay. Neither would you, at least not with Oracle Linux. Another cool thing. The hosted servers came (unfortunately) with Centos installed. While Centos works just fine as is, I tend to prefer to be current with my security errata(reliably) and I prefer to just maintain one yum repository instead of 2, I converted them over to Oracle Linux as well (in place) so they happily receive and use the exact same RPMs. Since Oracle Linux is exactly the same from a user/application point of view as RHEL, including files like /etc/redhat-release and no changes from .el. to .centos. I know I have nothing to worry about installing one of the RHEL applications. So, OL everywhere makes my life a lot easier and why not... Next! Since I run Oracle VM and I have -tons- of VM's on my machines, in some cases on my big WOPR box I have 15-20 VMs running. Well, no problem, OL is free and I don't have to worry about counting the number of VMs, whether it's 1, or 4, or more than 10 ... like some other alternatives started doing... and finally :) I like to try out new stuff, not 3 year old stuff. So with UEK2 as part of OL6 (and 6.3 in particular) I can play with a 3.0.x based kernel and it just installs and runs perfectly clean with OL6, so quite current stuff in an environment that I know works, no need to toy around with an unsupported pre-alpha upstream distribution with libraries and versions that are not compatible with production software (I have nothing against ubuntu or fedora or opensuse... just not what I can rely on or use for what I need, and I don't need a desktop). pretty compelling. I say... and again, it doesn't matter that I work for Oracle, if I was working elsewhere, or not at all, all of the above would still apply. Student, teacher, developer, whatever. contrast this with $349 for 2 sockets and oneguest and selfsupport per year to even just get the software bits.

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• Testing Git competence

  - by David

  I hire a lot of programmers for tiny tasks. I very clearly specify that the tasks can only be completed by making a pull request on GitHub. Unfortunatelly, so many programmers do not know Git and often the programmers cannot complete the project due to not understanding/being willing to learn Git, even after they have undertaken the programming of the task. This is bad both for me and for the programmers. Sometimes I end up arguing for why it is inefficient that they just send me a zip file containing the code. Therefore, I am looking for an online service to certify that the programmers know how to make a pull request so I do not waste their nor my time. The certificate should be free for the coders, but may cost me. It is important that the course just focuses on exactly what is needed to make a clean pull request so it should not take more than 5 minutes to go through. Does such a thing exist?

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• Update Manager error 12.04

  - by Shannon Marisa

  I'm using Ubuntu 12.04. When attempting to run my Update Manager, it doesn't allow any of the updates to be loaded. Under "details" all it says is "patch". It won't even load anything when the Partial Upgrade option comes up. I thought that this Error in Update Manager would help me, but when I followed the instruction and looked for the "PUBKEY" in Terminal, there was none, it said "BADSIG" and "failed to fetch 11.10" instead and my Update Manager still doesn't update anything. I'm still new to the finer points of Ubuntu and could really use some advice. Did I do something wrong? Or I need to do a fresh install?

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• SOA Patterns book &ndash; your opinion needed

  It has been quite awhile since I added anything new to the book. I have my reasons (some would probably say excuses :) ) mainly that finding the energy and time to write is very hard with a wife, 3 kids and a startup. Anyway, Ive been talking with Manning lately trying to figure out what to do with this project. I was quite amazed to learn that 1000 or so of you purchased the MEAP edition even though it only contains 5 chapters and havent been updated in a long time....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• .htaccess redirect to subfolder in different domain, maintaining old domain in the URL

  - by Naoise Golden

  Redirect has been widely discussed and most problems solved, so I am sorry for opening yet another post about this, but none of the codes I am trying work. I have a WordPress site hosted in http://mydomain.com/clientsdomain.com/wordpress I would like to temporarily redirect http://clientsdomain.com/ to the abovementioned URL, maintaining the clientsdomain.com domain in the URL. So for example http://clientsdomain.com/some/page would be pointing to http://mydomain.com/clientsdomain.com/wordpress/some/page Is this even possible with .htaccess? Maybe som configuration or plugin option with WordPress?

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