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• Is Winpcap able to capture all packets going through a Gigabit NIC without missing any packets?

  - by Patrick L

  I want to use Winpcap to capture all network packets going through a Gigabit NIC of a server. Assuming that I am able to utilize the network link up to 100%, the maximum network speed is 1000Mbps. If we exclude the TCP/IP headers, the maximum TCP data rate should be roughly 940Mbps. Let's say I send a 1GB file through the NIC at 940Mbps using TCP destination port 6000. I use Winpcap to capture all network packets going through the NIC and then dump it to a pcap file. If I use Wireshark to analyze the pcap file and then check the sum of packet size for all network packets sent to TCP port 6000, am I able to get exactly 1GB from the pcap file? Thanks.

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• Joining a company to get experience vs. going alone [closed]

  - by daniels

  My goal is to build a successful web startup, say the next Digg or Twitter, and I am in doubt regarding what is the best route to follow as a programmer. I see basically two options: Get an internship/job with an established online company, so that I could get a mentor and learn from more experienced programmers, learn their processes, methodology and so on. I could do this for 1-2 years, and then quit to start working on my own stuff. Start working on my own projects right away, starting with small ones and moving up gradually. This would give me more control on the things I would be working with, but I would lack contact with more experienced people, so I would need to figure basic things on my own. Doing both is not an option in my opinion, cause I would need to put a lot of effort/time into each if I was to learn/improve as a programmer. So is one route definitely better than the other? Is there a third one I am not considering? Background: I already work by myself developing content-based websites and doing SEO, and I am decent at it so money is not a problem. Last year I started learning to program, first by myself and now I enrolled in a CS degree on a good university.

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• How to make in CLI check for updates to be happening every 4 weeks and install them automatically without going to Software sources?

  - by Kangarooo

  I have a set of custom commands I run on my computers after I install them. How do I make Ubuntu check for updates every 4 weeks and install them automatically on check? I would need this done via command line so I can set it up for usual users when I set up their computers. The first command will make the update manager check for updates every 2 weeks because they not always come so much and to save the bandwidth of the Ubuntu servers. I also need to set it so that users don't need to click to install updates since it's tiring every time I help a friend set up a computer.

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• Freelancers do you have a surcharge for going to client site to work?

  - by user35072

  I'm currently new to freelancing as a programmer and need to work what some of the "norms" are without making myself look like an amateur. I've already won some work from a local company doing C# development and quoting an hourly rate for work that i am doing from my office. However on one upcoming project I've been asked to come on-site (client office) to work a full week. Is it reasonable to charge more than my regular hourly rate for working on site? And how should i justify the extra charges?

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• How to stay creative when going through tough emotional times (divorce, family death, etc)? [closed]

  - by gaearon

  Hi everyone. I believe this is not a duplicate of motivation question because I want to especially emphasize the emotional breakdown. You may conquer lack of motivation by working harder and getting through the dip, however this was not the case when I was separating with my girlfriend. I actually liked the project, it was (and it still is!) my first programming job at an amazing workplace and I wasn't being pressured in any way but I found myself absolutely unable to code, blankly staring at the screen, my thoughts disorganized, the feeling of emptiness all in my chest. I could perform some straightforward coding but anything that involves creative thinking, designing abstractions, solving new problems and, worst of all, fixing bugs in legacy code, completely wiped out my brain to the point I started avoiding work, which I never have done before. Coffee only used to make it worse. Eventually I got over that, and I remember the happy day I solved a problem elegantly and thought—hell, first time in a month! Thankfully the project wasn't top priority and I had the time to catch up. I wonder now, was there any other way to boost my productivity back then? I bet people would say I should've taken a break—and I think I really should have—but what if I needed the money? Didn't want to lose my job? Are there any ways to trick your brain into being creative despite emotional losses? From your experience, would it be worth talking to my boss, collegues?

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• How to deal with a valuable person going in all directions?

  - by JVerstry

  I am working with someone producing user content to be included in a software application. He is not a coder, but rather an expert in his field, sharing the knowledge. His contribution, taken piece by piece is great, but he goes in all directions and has issues producing work sequentially. He works on 25 pieces of content at the same time, and as soon as he reads something 'interesting', he wants to rewrite some of his stuff to improve the quality of it. He does not converge naturally. He collects tons of informations, produces some valuable stuff, but in a completely unstructured way. We addressed this issue with him some time ago and in order to try to solve it, we created a document with the 100 items he had to fill. Problem is, it does not seem to work very well. How to deal with those people and collect information? I was thinking about a new technique: ask him to send his bits, out of order, little by little, as soon as they are ready, and keep a list of what remains to be done, and show him that list to give him direction. This situation is stressing the hell out of me. If his production was not good, I would not be trying so hard to make this work. If you have experience to share, it is welcome.

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• Multiple URL's going to same page - Kosher for Google?

  - by Ashoka15

  I hear conflicting answers from people about this, and I'm a developer by trade, and my SEO knowledge is not what it should be. Here's my situation: I run a website that lists hotels, restaurants, bars, shops, etc for a small Asian beach town. Lots of establishments here are hotels with a restaurant and bar, as well as restaurants that are also bars. As en example, a Mexican restaurant that also functions as a full cocktail bar. I first set it up so each establishment has one page, but can create multiple pages based on their other areas of business. This forces people to create TWO listings under the same name, and most just add the exact same information onto each page, making things redundant. I am re-arranging the database so that a establishment has only ONE listing (one unique page referenced by the unique code '12345ABCDEF') that is accessible from browsing under "Restaurants" and "Bars", and has the URL structures: site.com/dining/mexican/12345ABCDEF/business-name.html site.com/bars/cocktail_bars/12345ABCDEF/business-name.html I could easily simplify the URL to just the unique code and name: site.com/12345ABCDEF/business-name.html But, I found that Google has parsed by URL structure and lists like this on their SERP: Home > Dining > Mexican With each pointing to the default page for homepage, restaurants and Mexican restaurants. If I simplify the URL structure, will I lose these associations? Could Google also be picking up this structure from my breadcrumb trail at the top of the page? What is the best way to set up URL's on these pages so I am not penalized by Google for having identical information on two URL's, while still being able to have places show up as they did with the old system?

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• Need advice: Staying techie or going the MBA way?

  - by SharePoint Newbie

  I know this is a very subjective question and I am the best person to decide this for myself...but I am just looking for your views. I have 5 years of experience as a professional developer. I have a decent background in Maths and have done my bachelors in engineering in CS. I have still not reached a stage in my career where growth is difficult and do not foresee this happenning for a very long time if ever because I find myself constantly (self) motivated to pick up new skills. A lot of my friends have however been getting through their MBA lately ...and not from the likes of Harvard or Kellogs, just mediocre colleges. They've however been landing paychecks fatter than me even though they have little or no work experience. Given that I have the option of pursuing an MBA an have my finances in order (and am planning an MBA from INSEAD / IE) would it make sense for me to sell out what I like doing and go for an MBA? Will I regret not doing an MBA later, given that I am in the right age/experience group to do an MBA? I absolutely love what I am doing right now and also the people I'm doing it with, but am just worried if this career would be as rewarding financially as the one after a management degree.

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• I'm going to quit my job because of our platform: how can I leave a productive explanation of this?

  - by Sean M

  I'm planning on leaving my current job because we're locked into using Blub, with an enterprise Blub framework and a Blub-level web server, on mediocre shared hosting. My coworkers are friendly and my boss is an average small business owner - I want to leave entirely because of the technical reasons. I feel like being soaked in Blub is bad for my brain and making me a worse programmer. When I leave, how can I explain this to my boss and coworkers? How can I phrase my complaints about Blub productively? What kind of warning can I and should I leave for my successor in documentation? (trying to make sure I meet the standards)

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• What is going on in this SAT/vector projection code?

  - by ssb

  I'm looking at the example XNA SAT collision code presented here: http://www.xnadevelopment.com/tutorials/rotatedrectanglecollisions/rotatedrectanglecollisions.shtml See the following code: private int GenerateScalar(Vector2 theRectangleCorner, Vector2 theAxis) { //Using the formula for Vector projection. Take the corner being passed in //and project it onto the given Axis float aNumerator = (theRectangleCorner.X * theAxis.X) + (theRectangleCorner.Y * theAxis.Y); float aDenominator = (theAxis.X * theAxis.X) + (theAxis.Y * theAxis.Y); float aDivisionResult = aNumerator / aDenominator; Vector2 aCornerProjected = new Vector2(aDivisionResult * theAxis.X, aDivisionResult * theAxis.Y); //Now that we have our projected Vector, calculate a scalar of that projection //that can be used to more easily do comparisons float aScalar = (theAxis.X * aCornerProjected.X) + (theAxis.Y * aCornerProjected.Y); return (int)aScalar; } I think the problems I'm having with this come mostly from translating physics concepts into data structures. For example, earlier in the code there is a calculation of the axes to be used, and these are stored as Vector2, and they are found by subtracting one point from another, however these points are also stored as Vector2s. So are the axes being stored as slopes in a single Vector2? Next, what exactly does the Vector2 produced by the vector projection code represent? That is, I know it represents the projected vector, but as it pertains to a Vector2, what does this represent? A point on a line? Finally, what does the scalar at the end actually represent? It's fine to tell me that you're getting a scalar value of the projected vector, but none of the information I can find online seems to tell me about a scalar of a vector as it's used in this context. I don't see angles or magnitudes with these vectors so I'm a little disoriented when it comes to thinking in terms of physics. If this final scalar calculation is just a dot product, how is that directly applicable to SAT from here on? Is this what I use to calculate maximum/minimum values for overlap? I guess I'm just having trouble figuring out exactly what the dot product is representing in this particular context. Clearly I'm not quite up to date on my elementary physics, but any explanations would be greatly appreciated.

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• How to draw tile edges when you don't know where they're going.

  - by Skeith

  This is more of an art question than a programing one but still game development. I have a tile engine that makes a map randomly from tiles, each tile is a square 3x3 grid. The problem is that while the elements on each tile work well together such as having forests along the top three squares and grass on the other 6, the engine could put the forrests against anything such as rivers, grass, mountains or more forest. how can i draw the edges of the tiles so the look good no matter what they are places against ?

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• Freelancers do you charge for going on site to do work?

  - by user35072

  I'm currently new to freelancing as a programmer and need to work what some of the "norms" are without making myself look like an amateur. I've already won some work from a local company doing C# development and already quoting an hourly rate for some work that i am doing from my office. However on one upcoming project I've been asked to come on-site (client office) to work a full week. Is it reasonable to charge more than my regular hourly rate for working on site? And how should i justify the extra charges?

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• Is there going to be a friendly Unity settings window?

  - by Valorin

  Currently, as far as I am aware, you need to use the CompizConfig Settings Manager application to play with the Unity configuration settings. While this makes sense, from a technical point of view, it requires the user to know about the settings manager, install it, and then find the Unity options within it. Not very user friendly. Is there a user friendly configuration application planned that will offer all the configuration options in an easy-to-use for new people fashion?

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• How do I install VirtualBox 4.1?

  - by William

  How to install virtualbox-4.1.4 in ubuntu 11.04 fluently? when apt-get install libqt* unmet dependency. there is a long list of unmet dependency. Where start first and any command to install virtualbox fluently? You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: virtualbox-4.1 : Depends: libcurl3 (>= 7.16.2-1) but it is not going to be installed Depends: libqt4-network (>= 4:4.5.3) but it is not going to be installed Depends: libqt4-opengl (>= 4:4.7.0~rc1) but it is not going to be installed Depends: libqtcore4 (>= 4:4.7.0~beta1) but it is not going to be installed Depends: libqtgui4 (>= 4:4.7.0~beta1) but it is not going to be installed Recommends: libsdl-ttf2.0-0 but it is not going to be installed Recommends: dkms but it is not going to be installed Recommends: libhal1 (>= 0.5) 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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• Moving dozens of existing standalone retail sites to one central inventory database: what should I know going in?

  - by palintropos

  This will be the first project of this scale that I have attempted, and the first time I have run a website at all (much less dozens) using an off-site database. In particular, I'd like to know: what sort of optimizations I should read up on to make this run as smoothly as possible? any pitfalls/gotchas wiser, more experienced folk are aware of I should be on the lookout for, and what damage-control and preventative measures I should take against the nightmare scenario of the main server (hosting the database) having an outage, grinding over 100 websites to a halt (because they have no access to the product data).

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• What's wrong performing unit test against concrete implementation if your frameworks are not going to change?

  - by palm snow

  First a bit of background: We are re-architecting our product suite that was written 10 years ago and served its purpose. One thing that we cannot change is the database schema as we have 500+ client base using this system. Our db schema has over 150+ tables. We have decided on using Entity Framework 4.1 as DAL and still evaluating various frameworks for storing our business logic. I am investigation to bring unit testing into the mix but I also confused as to how far I need to go with setting up a full blown TDD environment. One aspect of setting up unit testing is by getting into implementing Repository, unit of work and mocking frameworks etc. This mean there will be cost and investment on the code-bloat associated with all these frameworks. I understand some of this could be auto-generated but when it comes to things like behaviors, that will be mostly hand written. Just to be clear, I am not questioning the important of unit testing your code. I am just not sure we need all its components (like repository, mocking etc.) when we are fairly certain of storage mechanism/framework (SQL Server/Entity Framework). All that code bloat with generic repositories make sense when you need a generic layers with ability to change this whenever you like however its very likely a YAGNI in our case. What we need is more of integration testing where we can unit-test our code with concrete repository objects and test data in database. In this scenario, just running integration test seem to be more beneficial in our case. Any thoughts if I am missing any thing here?

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• Disable "Ubuntu 14.04" and "Files" from auto sorting alphabetically and THEN<(Disable the then.) automatically going to that location

  - by Doodski Man

  I looked about in Ubuntu 14.04 and I could not find a option to disable a feature that made extra work for me. After renaming something "Files" then reorganizes alphanumerically and then automatically moves the prompt/cursor/highlighting to the new file name at the new alphanumerical location. It's much easier and practical if the working cursor remains in the same area where the file was found that needed name changes or needed name spelling corrections. Windows 7 does what I ask about and it's a huge improvement over that auto sort and then go to the new file location. A example to consider is a file is in the "A" area and then you rename it to a "Z" and you are then taken to the "Z" stuff and need to scroll hundreds of lines back to the "A" section. It's annoying. Thanks for reading and taking the time.

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• Merging two sites into one, how to redirect from the domain that's going away?

  - by bikeboy389

  I haven't been able to find any existing questions that cover my exact issue, so here goes: My client wants her two sites (domain1.com and domain2.com) rolled into a single, new site under domain1.com. Once the site is ready on domain1.com, DNS for domain2.com would be pointed at the same server as domain1.com. I know how to do an htaccess rewrite rule that would make all domain2.com traffic map to a specific single page or directory within domain1.com. But that's not what the client wants. What she wants is for a bunch of specific pages on domain2.com to map to specific new pages on domain1.com. For example: domain2.com/index.php?pageid=58 GOES TO domain1.com/2011/04/somearticle domain2.com/index.php?pageid=92 GOES TO domain1.com/2011/03/differentname etc. I could put a bunch of 301 redirects in the htaccess on domain1.com, which would work fine. The problem is, the client doesn't want/need specific redirects for ALL the domain2.com pages, and if I just do 301 redirects, anybody who comes looking for a domain2.com page that I haven't built a specific redirect for will get a 404 error. So I need to use 301 redirects for some traffic, and a rewrite rule for any traffic that's not covered in the 301 redirects. How do I do sort of a blending of a rewrite rule and 301 redirects, all in the htaccess file for domain1.com? Is this possible? Is it as simple as putting the 301 redirects in the htaccess file first, then doing the rewrite rule? I'm guessing not.

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• Is PHP Going to Remain the Preferred Web Development Tool?

  PHP technology has been around for at least a dozen of years. Since its inception, PHP has been steadily gaining momentum as a "defacto" platform for open-source web development. Lately, however, a host of new web development tools like Ruby on Rails came on the market, which raised questions whether PHP will remain viable as a web development tool. I believe PHP will not only remain, but continue evolving as the preferred platform for years to come.

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• Send some form info to a PHP page to be processed without going to that page? [closed]

  - by zuko

  Okay, so I'm not very familiar with php. I have a very simple form, just 2 text fields. All I want to do is, after validating with JavaScript, send these two string fields in an email to a pre-defined email address. I understand how JavaScript works on the client side; you can respond to user events, etc. And PHP is server-side. What I'm having trouble grasping and figuring out is how do I run PHP functions, etc when I want? I figured out how to use the 'action' attribute of the form to send the data via POST to another PHP page. But this simply opens that page. I don't want to open the page I just want to do some processing and send a message back to the page the user is still on. How do I go about something like that? Thanks.

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• Server's network capabilities are going into some sort of sleep mode?

  - by F4r-20

  I'm having trouble with a server (Windows Server 2008 R2) on my network. It is going down for short periods at a time, but not very often. The interesting thing: If I ping the server from my computer (we'll call this client-x) using the -t switch, I will continuously get no reply. However the second I ping client-x from the server, I can see the previous ping pick up a reply? It's almost as if pinging client-x from the server, wakes up the networking capabilities? Has anybody got any idea what is going on here?

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• When going for an interview for web development at an agency, can a real example be expected?

  - by KPO

  I just started coding a year ago. By "coding" I mean HTML(5), CSS(3), and only a few times I implemented AJAX and JavaScript. I am interviewing for a position that expects me to know HTML, CSS, JS, JQuery, and AJAX. I am good with HTML5/CSS3 and somewhat ok with js. If I go for an interview, will they expect me to write code during the interview? I do have a live website as an example and snapshots of past projects that I sent to them. I am a little nervous, so any tips or something from your experience I can learn will be helpful.

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• Can I change the "From" name and address without going into Mail.app's preferences?

  - by Arjan van Bentem

  Can I somehow add an editable "From" field to Mail.app, a bit like Virtual Identity for Thunderbird, just like I could change the "Reply To" address on the fly? In Mail.app, one can set up multiple email addresses for a single account by just entering a comma-seperated list like [email protected], [email protected]. Next, when composing a message, Mail offers a dropdown to select a "From" address. And when replying†, it automatically selects the right address if it can find a match: Nice, but I'd like to be able to change the "From" on the fly, without going into the Account Information. Also, in previous versions of Mail one could even specify multiple Full Names for a single account: Email Address: Arjan <[email protected]>, Arjan on SU <[email protected]> But nowadays, Mail only uses the setting of Full Name, and even ignores names in the Email Address field when no value for Full Name is set at all. Hence, it would be great if I could change the Full Name on the fly as well. I had no luck finding a plugin for Mail yet. † When using sub-addressing, anything that is sent to [email protected] is simply delivered to [email protected]. I'd then like to reply with the same full address, rather than just [email protected] if Mail cannot find a match, without going into the Account Information first. I sometimes also want to compose a new message with a new sub-addressing-address.

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• How is the iPad going to be classified - as a mobile platform or a desktop platform?

  - by Tony Eichelberger

  I sometimes use the following site to look at browser and OS trends http://gs.statcounter.com/. It got me thinking about how the iPad is going to be classified, as a mobile platform or a desktop platform, or is it going to spark a new category. Since it runs iPhone OS, it could be considered a mobile device, but I have a hard time with that because of the screen size. What should iPad be classified as: Mobile, Desktop, or Other (Try to come up with a good name for Other)?

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• Router has traffic coming in, but it's not going anywhere. What can I do?

  - by dubRun

  Ok so I have a Linksys WRT-54G v4 running the latest version of DD-WRT (just downloaded it last week to try to fix the problem) There is consistently about 750kbs coming into the router but from what I can tell, it's not going anywhere inside the LAN or WLAN. I'm also having alot of network dropouts while I'm listening to music or watching video over the network. The traffic is coming in even if there are no computers on the network (turned them all off) What can I do to fix this problem? Here is a screenshot:

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