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  • Why the “Toilet” Analogy for SQL might be bad

    - by Jonathan Kehayias
    Robert Davis(blog/twitter) recently blogged The Toilet Analogy … or Why I Never Recommend Increasing Worker Threads , in which he uses an analogy for why increasing the value for the ‘max worker threads’ sp_configure option can be bad inside of SQL Server.  While I can’t make an argument against Robert’s assertion that increasing worker threads may not improve performance, I can make an argument against his suggestion that, simply increasing the number of logical processors, for example from...(read more)

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  • Are short identifiers bad?

    - by Daniel C. Sobral
    Are short identifiers bad? How does identifier length correlate with code comprehension? What other factors (besides code comprehension) might be of consideration when it comes to naming identifiers? Just to try to keep the quality of the answers up, please note that there is some research on the subject already! Edit Curious that everyone either doesn't think length is relevant or tend to prefer larger identifiers, when both links I provided indicate large identifiers are harmful!

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  • A Bad Day at Work

    - by TehGrumpyCoder
    There's lots of ways of having a bad day at work... I suppose for many people, just being *at* work makes it a bad day, but I happen to be one of those people that found a way to do something I like for a living. I've always said "if you're not having fun, what's the point?" ... on the latest Zune podcast, they were interviewing someone from the WP7 team and he said they're mantra is "It's not done until it's fun" ... I like that too. But, even when you're doing what you like for a living, it can get tedious. There were times that I didn't look forward to going out and playing guitar on a Friday or Saturday night, and some nights I was looking at my watch just waiting for it to be over. Well, that was today... like Steve Martin in "The Jerk" ... the first hour was like a regular hour, but then the rest of the morning was like a day, and the afternoon has been like a week. I've got a list of stuff I need to get into my head, and it's tough when the highest technology you have during 9 hours of your day is .NET 2.0 and you can only run what IT installed. I get wrapped around the power take-off reading something and dearly want to write some code to try, but with the state of technology here, it's like trying to teach jazz chords to someone that showed up for their lesson with that stupid plastic guitar from Guitar Hero. I tried to watch a training video... downloaded it zipped so maybe it wouldn't be noticed like it might if I streamed it. Then nothing on this machine would play the video... dang! Well, if someone doesn't take me out on the drive tonight or back in tomorrow, maybe it'll be a better day... or maybe I'll d/l a bunch of training videos in a different format, or bring in a decent viewer, or download them to my Zune maybe... that would work. I suppose at age 61 there are worse things than feeling stifled... for instance, so far I've lived 2 years longer than my father... but at the same time, he's the one that pointed out that in my first letter home from Boot Camp "He's complaining, he's fine"... guess he had my number :) I think he'd appreciate "Teh Grumpy Coder"

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  • Ignore "Bad: new and old password are too similar"

    - by user999
    I receive this message when trying to change my password: "Bad: new and old password are too similar" The passwords' "similarity" is irrelevant for my needs, so I'd like to bypass this. I tried sudo passwd $my_username I thought this had worked because I got a message: passwd: password updated successfully However, the password change has no effect after leaving the terminal, and my old password is still the only one recognized. Any ideas? thanks

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  • 4 Geek Excuses for Bad Presentations

    Frustrated by technically interesting yet agonizing conferences, Dr. Masha Petrova leaves geeks with no excuses for making bad presentations, and begins her campaign ensure that the people with good ideas also have good presentation skills to back them up, and get them noticed.

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  • T-SQL User-Defined Functions: the good, the bad, and the ugly (part 4)

    - by Hugo Kornelis
    Scalar user-defined functions are bad for performance. I already showed that for T-SQL scalar user-defined functions without and with data access, and for most CLR scalar user-defined functions without data access , and in this blog post I will show that CLR scalar user-defined functions with data access fit into that picture. First attempt Sticking to my simplistic example of finding the triple of an integer value by reading it from a pre-populated lookup table and following the standard recommendations...(read more)

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  • PHP-FPM - Nginx - phpMyAdmin - 502 bad gateway

    - by Jesse
    I have installed and configured PHP-FPM, Nginx, and then phpMyAdmin. When I access the main site everything works fine but as soon as I go to http://mysite.com/phpmyadmin I get a 502 bad gateway error. When I look in my error logs I see the following error repeated throughout: (111: Connection refused) while connecting to upstream, client: xx.xx.xx.xx Here is my default.conf for nginx: http://pastebin.com/YFEvAw81 I have tried many different configurations that I have found from users that have had the same issue but can't seem to get any of them to work.

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  • Is it good or bad to have dynamic content in page titles and/or description

    - by Gunjan
    In a local listing website, I append number of search results found in the description(not in title currntly) meta tag of the page as I think this is valuable for users for e.g. "Find address, phone numbers, blah blah blah for 21 outlets in locality. some more stuff after this..." as more places are added to the database, the description for the same page will change frequently. is this good or bad for SEO how about doing the same for title tags?

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  • Phone number in meta description bad or good for local rankings NAP

    - by bybe
    Once again I'm at it with increasing people's local rankings and I've learnt so much about local rankings in the past 2 weeks it feels like my brain is gonna pop anyway, question is fairly simple for someone who engages in local rankings and I appreciate the question may be a little guess work but isn't SEO mostly guessing anyway? From what I've read and learned that Google works of a system called nap for local rankings (With many other factors but this question is purely based on NAP). For people who care about local rankings NAP stands for Name of Business / Address of Business / Phone Number for Business. Now what what I've read you don't need the whole NAP to be on one website, a P or just a N can help towards your local rankings. It's believed that NAP rewards more than just P and N for example but knowing Google they might have a diversity checker which is my concern what your get to in a moment. Now of course sites weight differently where your business is posted, it's certainly going to be more credible if your NAP details are on your national phone book than say a blog site, so taking in this consideration too. Pure Guess (Not apart of the question but none the less makes a good read on my belief). Now my guess work would make me believe that the formula would look something like (N)+(A)+(P)x(T) So (N)name would be 1 or 0 to indicate present or not So (A)dress would be 1 or 0 to indicate present or not So (P)hone would be 1 or 0 to indicate present or not So (T)rust would be 1-100 to indicate level of trust So a phone number appearing on youtube might look something like 0+0+1x95= 95 and a NAP appearing on your national phone book might look something like 1+1+1x100= 300 Please note that I'm not saying this is the sole factor and I'm sure its way more complex that this with things like other factors on the page, off the page (Reviews, Links, Clicks) and so on but its still a contributor). The Question My question is fairly simple and I'd imagine hard to impossible to have an actual definite answer to this but maybe someone has seen official wording else where on this, is it bad to include address or phone number in the Meta Description? The reason I ask is that one of my competitors has these elements in the meta descriptions and their local rankings are absolutely superb, the problem I have with this is scrap bot sites like 'Similar Too' 'Seo Rankings' and 1,000's of the other scrap box networks that scrap site and then make urls with your site information are mostly limited to your meta description what this means that your phone number, address and sometimes even your company name if the domain is exact will appear as AP, and even NAP on thousands of websites. So, is it a bad strategy to include phone number and address in meta description, everything I read into would suggest its good of course with the downside of maybe lowering quality of description for click thoughts but top rankings would increase this 10 folds anyhow..

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  • Tab completion COMP_WORDS bad array subscript

    - by Senthil Kumaran
    I have upgraded my Ubuntu to 10.04 and I am facing this problem of COMP_WORDS bad array subscript when I press TAB for certain completion. I thought, it is a bug with bash-completion package and I purged it. But even after that, I still face this. If it is a bug with bash package, how I can resolve it? https://bugs.launchpad.net/ubuntu/+source/bash-completion/+bug/366446 It is difficult for a developer to live with this bug in the system.

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  • OpenSearchDescriptions good or bad signal in Google's eyes?

    - by JeremyB
    I noticed a site using this tag: <link rel="search" type="application/opensearchdescription+xml" title="XXXXXXXXX" href="http://www.XXXXXXXXXX.com/api/opensearch" /> As I understand it (based on http://www.opensearch.org/Home), this tag is a way of describing search results (so you use it on pages which contain search results) to make it easier for other search engines to understand and use your results. Given that Matt Cutts has said Google generally frowns on "search results within search results" is using this tag a bad idea on a page that you hope to achieve a good ranking in Google?

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  • How do I maintain a really poorly written code base?

    - by onlineapplab.com
    Recently I got hired to work on existing web application because of NDA I'm not at liberty to disclose any details but this application is working online in sort of a beta testing stage before official launch. We have a few hundred users right now but this number is supposed to significantly increase after official launch. The application is written in PHP (but it is irrelevant to my question) and is running on a dual xeon processor standalone server with severe performance problems. I have seen a lot of bad PHP code but this really sets new standards, especially knowing how much time and money was invested in developing it. it is as badly coded as possible there is PHP, HTML, SQL mixed together and code is repeated whenever it is necessary (especially SQL queries). there are not any functions used, not mentioning any OOP there are four versions of the app (desktop, iPhone, Android + other mobile) each version has pretty much the same functionality but was created by copying the whole code base, so now there are some differences between each version and it is really hard to maintain the database is really badly designed, which is causing severe performance problems also for fixing some errors in PHP code there is a lot of database triggers used which are updating data on SELECT and on INSERT so any testing is a nightmare Basically, any sin of a bad programming you can imagine is there for example it is not only possible to use SQL injections in literally every place but you can log into app if you use a login which doesn't exist and an empty password. The team which created this app is not working on it any more and there is an outsourced team which suggested that there are some problems but was never willing to deal with the elephant in the room partially because they've got a very comfortable contract and partially due to lack of skills (just my opinion). My job was supposed to be fixing some performance problems and extending existing functionality but first thing I was asked to do was a review of the existing code base. I've made my review and it was quite a shock for the management but my conclusions were after some time finally confirmed by other programmers. Management made it clear that it is not possible to start rewriting this app from scratch (which in my opinion should be done). We have to maintain its operable state and at the same time fix performance errors and extend the functionality. My question is, as I don't want just to patch the existing code, how to transform this into properly written app while keeping the existing code working at the same time? My plan is: Unify four existing versions into common code base (fixing only most obvious errors). Redesign db and use triggers to populate it with data (so data will be maintained in two formats at the same time) All new functionality will be written as separate project. Step by step transfer existing functionality into the new project After some time everything will be in the new project Some explanation about #2, right now it is practically impossible to make any updates in existing db any change requires reviewing whole code and making changes in many places. Is such plan feasible at all? Another solution is to walk away and leave the headache to someone else.

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  • Using CSS3 is a bad practice? [closed]

    - by Qmal
    Possible Duplicate: Should I use HTML5 and/or CSS3 to build my website? I just want to know if it's considered as a "bad practice" to use things like rounded corners, gradients and so on... I understand that there are bots and crawlers that do not process CSS, but they don't need to. And nowadays most people use browsers that can process CSS3 with no problem. So should I make my buttons and shadows and such look pretty with CSS3 or with images?

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  • Does searching documentation and samples look bad?

    - by Mick Aranha
    I am starting a new job in a company with many developers and media people, the layout of the place is open with computers around a skinny oval, I have worked in small teams and programming embedded C, the jobis for objective C I'm still in a medium stage, so I know what I don't know (haha), that means I have to google it and then implement it, So the question is how bad does it look if the guy next to you does lot of searching for coding I mean, at the end of the day I will get the job done, but want to look professional too!

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  • "BAD ARCHIVE MIRROR" error while installing ubuntu server 12.04

    - by Hirdesh - Technonimal
    I downloaded the server version of Ubuntu from Ubuntu's official site. Created a Bootable USB from the ISO file I downloaded. I connected through Internet using DHCP in the installation process. While I was installing it on my Desktop Computer (pentium D 1 GB RAM) I have this error "Bad Archive Mirror". I also found 2-3 questions with same problem on forum but I didn't get solution of my problem from them.

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  • Using the Same Domain to Bury Bad Publicity

    Receiving bad publicity can be a devastating blow to a brand's online reputation, and in order to mitigate the damage often the best course of action is to try to create enough alternate content to push the negative publicity down to the second, third, or even deeper, search result pages. Most people do this by creating a number of different pages on new or alternate domains, but in fact it can be much more effective to try to create pages on the same domain.

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  • Are you a good or bad programmer?

    - by Eli
    Hi All, I see a lot of questions on SO that are asked about 'good' programmers vs 'bad' programmers. For example, what is a good/bad programmer, how to tell a good/bad programmer, what to do about a bad programmer on a team, how to hire a good programmer. I know it's pretty easy to apply the words to other people, but I find myself wondering if anyone out there would actually define THEMSELVES in a Boolean fashion like this, rather than "good in some areas, weak in others..." I'm not asking as an either/or where you have to be one or the other, but as a 'both' - are you a good or bad programmer? If so (either one), why? Please note this isn't meant to be argumentative, or to define good/bad practices, etc. I just want to know how many people think they are good, bad, or neither out there.

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  • Do I have a bad SD card?

    - by User1
    I'm trying to copy data from my computer to an SD card. After a few hundred megs, I keep getting the following errors in dmesg: [34542.836192] end_request: I/O error, dev mmcblk0, sector 855936 [34542.836284] FAT: unable to read inode block for updating (i_pos 13694981) [34542.836306] MMC: killing requests for dead queue [34542.836310] end_request: I/O error, dev mmcblk0, sector 9280 [34542.837035] FAT: unable to read inode block for updating (i_pos 148486) [34542.837062] MMC: killing requests for dead queue [34542.837066] end_request: I/O error, dev mmcblk0, sector 1 [34542.837074] FAT: bread failed in fat_clusters_flush [34542.837085] MMC: killing requests for dead queue These were all files I copied from a smaller SD card. I just want to transfer them to my new, larger card for my phone. I tried the same experiment with different files on a different machine and the card failed again. Reading data from the old card went fine. My systems are older and the new SD card is new (16GB Class 4). Could this be that my computers are too old? Is there a definitive test to verify if my SD card is bad?

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  • Get notified about the change in raw data in hard disk sector - File change notification

    - by Nuv
    I'm trying to make a software that backups my entire hard drive. I've managed to write a code for reading the raw data from hard disk sectors. However, i want to have incremental backups. For that i need to know the changed made to OS settings, file changes, everything. My question is - Using FileSystemWatcher and Inotify, will i be able to know every change made to every sector in the hard drive ? (OS settings etc) I'm coding it in C++ for linux and windows. (Saw this question on Stackoverflow which gave me some idea)

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  • SSIS Technique to Remove/Skip Trailer and/or Bad Data Row in a Flat File

    - by Compudicted
    I noticed that the question on how to skip or bypass a trailer record or a badly formatted/empty row in a SSIS package keeps coming back on the MSDN SSIS Forum. I tried to figure out the reason why and after an extensive search inside the forum and outside it on the entire Web (using several search engines) I indeed found that it seems even thought there is a number of posts and articles on the topic none of them are employing the simplest and the most efficient technique. When I say efficient I mean the shortest time to solution for the fellow developers. OK, enough talk. Let’s face the problem: Typically a flat file (e.g. a comma delimited/CSV) needs to be processed (loaded into a database in most cases really). Oftentimes, such an input file is produced by some sort of an out of control, 3-rd party solution and would come in with some garbage characters and/or even malformed/miss-formatted rows. One such example could be this imaginary file: As you can see several rows have no data and there is an occasional garbage character (1, in this example on row #7). Our task is to produce a clean file that will only capture the meaningful data rows. As an aside, our output/target may be a database table, but for the purpose of this exercise we will simply re-format the source. Let’s outline our course of action to start off: Will use SSIS 2005 to create a DFT; The DFT will use a Flat File Source to our input [bad] flat file; We will use a Conditional Split to process the bad input file; and finally Dump the resulting data to a new [clean] file. Well, only four steps, let’s see if it is too much of work. 1: Start the BIDS and add a DFT to the Control Flow designer (I named it Process Dirty File DFT): 2, and 3: I had added the data viewer to just see what I am getting, alas, surprisingly the data issues were not seen it:   What really is the key in the approach it is to properly set the Conditional Split Transformation. Visually it is: and specifically its SSIS Expression LEN([After CS Column 0]) > 1 The point is to employ the right Boolean expression (yes, the Conditional Split accepts only Boolean conditions). For the sake of this post I re-named the Output Name “No Empty Rows”, but by default it will be named Case 1 (remember to drag your first column into the expression area)! You can close your Conditional Split now. The next part will be crucial – consuming the output of our Conditional Split. Last step - #4: Add a Flat File Destination or any other one you need. Click on the Conditional Split and choose the green arrow to drop onto the target. When you do so make sure you choose the No Empty Rows output and NOT the Conditional Split Default Output. Make the necessary mappings. At this point your package must look like: As the last step will run our package to examine the produced output file. F5: and… it looks great!

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  • Perfect End to a Bad Day

    - by TehGrumpyCoder
    Yesterday's post about A Bad Day at Work actually had an addendum to it. There were apparently a bunch of guys on ice skates last night competing in some sport way the hell and gone over on the other side of the valley, and enough people couldn't live without seeing them that they had all major arteries heading west honked. I mean honked... the traffic guy reported the 101 had 16 miles of backup... yikes. Since I worked downtown for a number of years, my fallback is to cut across the city on surface streets to get to one of my old 'haunts' and just drive it home from there. Of course with the 101 backed up, then I17 would logically be as well, so I kept the news on rather than my Zune and heard where the bad stuff was going North. I popped out on the freeway about 7 miles south of my exit. Got to the exit which is about a mile from the house without killing or maiming me or anyone else. Waited patiently at the light in the inside lane to make a left and go under the freeway proceeding West. The light changed, I had full green, I started through and whoa... I've got someone in a little rat car crossing my bow! A little explanation... I drive a 3/4 ton pickup with a V-10, extended cab and shell on the back. It's not jacked up, but it sits up pretty good and is longer than any parking place I've ever tried to put it into. I consider this truck to be the consolation prize for paying uninsured motorist coverage for 45 years and having Pilar Martinez totally destroy a 3/4 ton Silverado on March 1, 2007 by plowing into me at traffic speed while I was stopped at a light. If you pay for uninsured motorist coverage, ask your insurance agent *exactly* what that means... I bet it's different than what you think it means. But I digress, sorry... So here I am with a car that is shorter from top to road than the hood on my truck, and the driver thought it would be safe to run a red light and see if they could get past me before I got into the lane. The right side of my front bumper was almost into the driver's window when I hit the brakes and wheeled it left. Fortunately for all involved, I saw it soon enough, and pulled into the 2nd lane for making a left to go back South. I looked in my mirror, signalled a move, then moved over behind the yuck in the rat car. I then punched it, and the future hood ornament and I both made it through the next light. I pulled alongside to let her know that she was DEFINITELY Number 1 in my book, and it's a middle-age woman looking at me with a "sorry, it was an accident" show of pouty face and arms held up. Tough $hit lady... that may have worked when you were 18, but it's not working anymore, and it wasn't an accident... you ran a freakin' red light and almost got yourself killed. That just about put a bow on the day... I was home later than usual, pissed off about work stuff, pissed off at traffic, and now that. I ate dinner, watched a little TV, and was asleep about 9:30 exhausted. Hope today is better.

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  • SSH error: "Corrupted MAC on input" or "Bad packet length"

    - by William Ting
    I have 3 boxes set up as shown: The DFW box can communicate to the SFO / internet just fine, and I send files AUS - DFW. However, every time I trying transferring DFW - AUS it fails over SSH (ssh client, rsync, scp, sftp, etc) with the following error: Corrupted MAC on input. Disconnecting: Packet corrupt Occasionally I'll get a different error: Bad packet length 2097180. Disconnecting: Packet corrupt I've restarted the DFW box, as well as replaced the network cable. I'm not sure what else might be causing problems. Right now to get files from DFW I have to use DFW - SFO - AUS which is not optimal.

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  • Cut Caseload Costs, Speed Service Delivery For Social Services

    - by michael.seback
    Lower Caseload Costs, Speedier Service Delivery with New Oracle Social Services Solution Oracle has just introduced a new solution for social services agencies that's designed to help case workers address the challenges of rising workloads and growing demands by citizens for additional services. In the past, IT departments developed custom software in an effort to meet program outcomes. "Because this capability is out of the box with the Oracle solution, there's less complexity for organizations and an overall lower total cost of ownership," says Kimberly Ellison-Taylor, Oracle's executive director of health and human services. "Self service brings costs down to just pennies per interaction and makes it possible for clients to receive government services more quickly," Ellison-Taylor says. read more

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  • Oracle Hyperion Day

    - by Oracle Aplicaciones
    Normal 0 21 false false false ES X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Normal 0 21 false false false ES X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} Oracle celebró el pasado 1 de Diciembre en la emblemática Torre Espacio de Madrid,  el Hyperion Day.Durante el evento tuvimos la oportunidad de conocer las últimas novedades de las soluciones financieras de Oracle.

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  • Soluciones Oracle para Servicios Sociales: Demo "El Ciudadano"

    - by alvaro.desantiago(at)oracle.com
    Las Soluciones Oracle mejoran la ejecución de los programas sociales de las Administraciones y el resultado obtenido por los ciudadanos. La Solución Oracle para Servicios Sociales permite a las Administraciones Públicas optimizar los resultados de las políticas sociales y maximizar la tasa de participación, através de la implantación de Siebel Case Management y Oracle Policy Automation.Les facilita, asimismo, compartir una visión única del ciudadano, gestionar los continuos cambios de políticas de mejora de los programas sociales y su prestación directa a los interesados.Oracle proporciona la solución de Servicios Sociales, para una variedad de áreas como son Beneficios Sociales, Empleo, Violencia de Género y Protección al Menor.

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