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• Get lots of javascript problems when using Opera 11.00 to surf

  - by s hanley

  Sites like ebay and even superuser stop working properly when I use opera 11.00. Menus stop working everywhere from ebay to godaddy. Hovering on a menu item doesn't expand it, no sub menu slides out. This makes a large number of very popular websites unusable. Am I right in assuming this is a javascript issue? I use opera for the turbo feature (I have tested opera with and without turbo so it's not turbo's fault) because I'm on mobile broadband until I get my phone line sorted out. Turbo helps me save money, as well as allowing me to surf at a sane speed. Is there a firefox or chrome equivalent to opera turbo that doesn't cost money? I'm using Opera 11.00, build 1156.

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• Applications starts very slowly from a network path

  - by Snowfox

  Hi We have a windows 2008 server which hosts the network share \\srvcompany\lib. This share contains several applications needed for the daily business. Every client/user (all win xp) has shortcuts on the desktop to these apps. We have the problem that at several (but not all) clients the apps starts very slowly. If I copy the application's programm files to a local folder then they'll start fastly. When I watch the memory usage in the task manager on such a "slow" machine while an applications starts I notice that the memory usage grows much slowier than when I start the app from a "fast" machine. But when I copy files with Windows Explorer from this share, the speed is nearly the same. I've also checked the network driver, both tested clients have the same network card with the same driver version. Has anyone an idea where or what I should check next to solve this problem? Thanks for answers.

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• tricks for speeding up tar while tarring up a huge directory of little files?

  - by Trevor Harrison

  I'm trying to tar up a directory that has about 3M tiny files in it. Tar is chugging along, but I'm thinking its going to take longer than I can wait. I'm wondering if telling tar to not store metadata (owner, group, perms) would reduce the churn on reading and re-reading this huge directory and maybe speed things up, and if there is a tar switch that does this. My initial perusal of the man page only gets me something like --no-xattrs, which looks like a start, but I was hoping someone had some specific knowledge.

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• Mysql skip-name-resolve

  - by user72459

  I had recently purchased a new server, and transferred all my accounts via WHM Transfer. The problem is that when WHM takes a daily backup, it outputs are message such as DBD::mysql::st execute failed: There is no such grant defined for user 'abc' on host 'myhostname' The problem is solved when I remove skip-name-resolve from my my.cnf file. Tough I dont find any differences in the speed (when I dont add it), it is often mentioned in forums that adding skip-name-resolve optimizes Mysql Performance. Does adding skip-name-resolve really help, if one has a Dedicated server?

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• Rejecting new HTTP requests when server reaches a certain throughput

  - by user56221

  I have a requirement to run an HTTP server that rejects new HTTP requests (with a 503, or similar) when the global transfer rate of current HTTP responses exceeds a certain level. For example, if the web server is transferring at 98Mbps, and a new HTTP request arrives, we would want to reject this (as we couldn't guarantee a good speed). I've had a look at mod_cband for Apache, limit_req for nginx, and lighttpd's rate limiting features, but none of them seem to handle my (rather contrived, granted) use case. I should add that I'm open to using pretty much any web server, and am open to implementing this in iptables rules if someone can craft such a rule! (Refusing the TCP connection is fine, it doesn't have to respond with an HTTP 503). Any suggestions?

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• Ram not working in dual dynamic paging mode

  - by Robin Agrahari

  My motherboard is Intel D865GVHZ I m using 512 mb ram and recently i purchased a 512 mb ram of same company same speed(333) and same manufacturer. but my pc is not booting in dual dynamic paging mode . It is not at all booting and the screen freezes on windows logo screen at start up. i checked installing individual rams one by one and the pc is working with either of the ram installed individually. But wen i install both the pc is not working. One more point i found is my one ram has 8 chips on both sides while the other ram has 4 chips on both sides. Is that the root of the problem ?? plz help sir. in hope robin

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• SSD RAID 5 or 10?

  - by Kyle

  I have a few extra SSD drives (I know its rare but this has actually happened). I figured since I have almost 500 GB in SSD's I might as well replace all of my standard HDD's with them. I currently have a RAID 5 setup and enjoy the the speed and redundancy with 10k RPM drives. Should I bother to put my SSD's in RAID 5? I have not heard of anyone doing this and have no idea how it is going to work out. The loss of space doesn't really bother me since I have a 2 TB NAS with all my media on it. Does anyone have experience with putting solid state drives in a RAID 5. If RAID 5 is a bad idea has anyone had experience with a RAID 10? is it possible to stripe the SSD's and provide redundancy with standard HDD's?

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• Is it preferable to use POP or IMAP to check multiple google mail accounts from one?

  - by Adam Tuttle

  I have email accounts on several domains that use Google Mail, and thus far I've only ever used POP to send and receive mail from a single inbox. This is quite functional, and as long as I remember to select the appropriate FROM address when starting a new thread, mostly works without any additional thought: messages received on account A are replied to via account A, and so on. My only complaint is the lag -- I've seen sometimes as much as a half hour between messages arriving in an inbox before being imported into my primary inbox via POP. My question is this: Google also supports IMAP. Would that be in any way preferable over POP access? Reduced lag would be nice, but not at a general speed cost, if everything I do has to check another mailbox too.

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• How to add characters to reach the maximum size of a char[].

  - by Bon_chan

  Hi folks, I have the following part of code : for(int i=0;i<n;i++) { printf("Student %d\n",i+1); printf("Enter name : "); scanf("%s",&(student+i)->name); fflush(stdin); lengthName = strlen((student+i)->name); while(lengthName !='\0') { }} when the length is shorter than 10, it will add hyphens until reaching the maximum size. Ex : John = 6 hyphens will be added I know how to do it in csharp but can't figure it out in c. Could some of you give me some lights please? PS : Oh yes the variable name is char name[10+1] and it a part of the structure called student.

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• Domain Hosting, DNS/NS Management [closed]

  - by ledy

  What criteria do you have for choosing the right provider for registering a domain? (not hosting, only the domain) So far, I can only see the different pricing and features of the DNS manager but have no idea what I have to pay attention in addition to this. How to know about the quality of the provider's nameserver and could there be differences in speed concerns. Background: The hosting itself incl. webspace, server etc. is separate from the domain and I am not going to book the domain with the same hoster as the webspace/server hoster.

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• Windows 8 Hidden Downloading? Slow Internet?

  - by EApubs

  After upgrading to Windows 8, im facing a very slow download speed. My router and the NIC is working fine because on the same PC I also have Linux. In Linux, everything works fine. When checking through the task manager, it shows that the system use the full bandwidth 1Mbps even without a download. The process menu doesn't show whats taking much bandwidth. The bitdefender's firewall also shows network activity. Is there any hidden apps downloading? How to fix this?

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• How to Check the Performance of VPS?

  - by Ngu Soon Hui

  I have subscribed to a VPS offered by a hosting provider. The guaranteed performance 1GB RAM, 1M bandwidth. But I found that from time to time the websites can be very slow, so slow that it could take more than 30 seconds to load a simple Joomla website. However the website resumed the usual speed after a few minutes. This created a problem for me when I want to report the performance problem to the hosting provider. They would say to me "see, no problem". Of course there is no problem because the problem is only there for a few minutes , and everything is normal. This ocassionally-slow problem will bug me a few days later and the cycle repeats. Any idea how to solve this problem?

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• My laptop keeps hard resetting

  - by cgoddard

  I have had this laptop for a long time (five years at least) and it hasn't had the best treatment over the years. But over the last few months, it has been randomly completely shutting down, no blue screening, no steady shutdown, just black screen, then BIOS. I think it might be happening as I do a save, but cant be sure, but recently it has been getting very annoying. I did initially think it was an overheating issue, but the speed that it comes back online is staggeringly fast for it to have cooled down sufficiently. plus it has got incredibly hot before with no issue (since its been doing this). Does anyone know what might be going on? Dell Inspiron 640m, running Windows 7.

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• laravel multiple where clauses within a loop

  - by user1424508

  Pretty much I want the query to select all records of users that are 25 years old AND are either between 150-170cm OR 190-200cm. I have this query written down below. However the problem is it keeps getting 25 year olds OR people who are 190-200cm instead of 25 year olds that are 150-170 OR 25 year olds that 190-200cm tall. How can I fix this? thanks $heightarray=array(array(150,170),array(190,200)); $user->where('age',25); for($i=0;$i<count($heightarray);i++){ if($i==0){ $user->whereBetween('height',$heightarray[$i]) }else{ $user->orWhereBetween('height',$heightarray[$i]) } } $user->get(); Edit: I tried advanced wheres (http://laravel.com/docs/queries#advanced-wheres) and it doesn't work for me as I cannot pass the $heightarray parameter into the closure. from laravel documentation DB::table('users') ->where('name', '=', 'John') ->orWhere(function($query) { $query->where('votes', '>', 100) ->where('title', '<>', 'Admin'); }) ->get();

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• Sort a list numerically in Python

  - by Matthew

  So I have this list, we'll call it listA. I'm trying to get the [3] item in each list e.g. ['5.01','5.88','2.10','9.45','17.58','2.76'] in sorted order. So the end result would start the entire list over again with Santa at the top. Does that make any sense? [['John Doe', u'25.78', u'20.77', '5.01'], ['Jane Doe', u'21.08', u'15.20', '5.88'], ['James Bond', u'20.57', u'18.47', '2.10'], ['Michael Jordan', u'28.50', u'19.05', '9.45'], ['Santa', u'31.13', u'13.55', '17.58'], ['Easter Bunny', u'17.20', u'14.44', '2.76']]

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• How do I install Visual Studio 2010 Express somewhere besides C:?

  - by TwentyMiles

  I have a SSD as my primary (C:) drive, mainly used for quickly loading games. It's pretty small (~30 GB) so I want to keep things that don't really need a speed boost off of it. I attempted installing the Visual Studio 2010 Express beta last night, and It claimed to require 2.1 GB of space so I changed the install directory to a secondary, non-SSD drive. After this, the installer said that it would use 1.8 GB on C: and ~200 MB on the secondary drive. While this token gesture of moving 1/10 of the app to the place I told it to is cute, I really want to install everything I can to the secondary drive. Is there any way to install all of Visual Studio 2010 Express to a drive besides C:?

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• Is is better to combine Apache for file manipulation and upload and Nginx for static file serving, or to use one of the two alone

  - by user1032393

  Based on my research, I've read that nginx is best and ideal for serving up static files and images. My application depends heavily on uploading of images and rewriting them, then serving them up. Given that I only have one VPS currently, it has been suggested that I use nginx to serve up the images and website, and reverse proxy to Apache (on the same VPS) to rewrite files with image magick and handle the file uploads. Which would be the best solution, Apache, Nginx, or Apache + Nginx? In terms of best solution, I'm looking at minimal average RAM consumption, while maintaining decent load speed of maybe sub 2 seconds?

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• Experience with Intel X25-M 160GB and Oracle

  - by derobert

  We're considering building an Oracle database with 12 Intel X25-M G2 160GB drives in software RAID10. It'd be running Linux. Database gets some very heavy write activity during the early morning data load, other than that it is mostly read-only (and the read load is fairly minimal). We're currently running on 11 150GB Velociraptors (also Linux software RAID10), and are hoping the X25-M will speed up the data load. We currently have redo on different disks than the rest of the data. I'm wondering a few things: Any experience with using X25-M drives for databases? The X25-E are unfortunately beyond our budget. Would it hurt to separate redo off to some magnetic (non-SSD) drives, say 2 (raid1) or 4 (raid10) Seagate Constellations?

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• Good Choice of Memory for Asus K52F-BBR5

  - by Christopher Painter

  I recently purchased an Asus K52F-BBR5 notebook. It's a basic laptop with an Intel P6100 CPU and Mobile Intel® HM55 Express Chipset. It came with 3GB of DDR3 SODIMM memory and I'd like to expand it to 8GB. I'm a little confused by DDR3 nomenclature and not up to date on my knowledge of chipsets. I'd like to make a good choice when selecting memory for it. Crucial's database suggests using either a PC3-8500 with CAS 7 or a PC3-10600 with a CAS of 9. Is the 8500 better because of it's CAS 7 or will my chipset run the memory async at a higher speed and get better performance? Which would be a better choice for my chipset and CPU? Price difference is negligble.

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• JComboBox to string

  - by gabrielle fregil

  I have a String array of names, and then I added it into an editable JComboBox. The user can either pick his/her name from the choices or just input his/her name if not in the choices. How do I put the user input into a new string variable? String [] chooseName = { Mark, John, Allison, Jessica }; JComboBox combo = new JComboBox (chooseName); combo.setEditable(true); String chosenName = /* how do i place what the user inputed here? */

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• For very beginning startup: home server or EC2?

  - by StCee

  The micro instance of Amazon EC2 only has ram of 613MB, my laptop got 8GB. And I suppose likewise the processing power of my computer would be better than the micro instance. My question is, what are the considerations in deciding to host yourself or on Amazon EC2, especially for a really baby startup? For example, would network speed be a problem? My computer broadband network is 100Mbs up to 1Gbs. What would Amazon compare to this? My site at these moment would just host some images and perform some php requests. I would probably also use cloudflare but seems it increases the dns lookup time considerably... And of course the overall objective is to make the best user experience.

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• Site's performance slows over time until Apache is restarted

  - by udbhav

  I'm running a Django app w/ Nginx and Apache. All our static media is stored on S3, and basically it takes a while for the app to check if thumbnails have been created every time a page is loaded. To alleviate this problem, I'm caching the output of the templates w/ memcached. Over the course of an hour or two, the site's speed goes down significantly, until I restart apache, and then all is good for a little while. I have very little sysadmin experience, and was hoping somebody could at least point me in the right direction.

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• Perfmon quick rundown

  - by anon

  I've known quite along while about performance monitor on Windows. I have decided now to create a scheduled performance monitoring of my entire system so I can find bottlenecks for future improvements. So as you can imagine this is going to run 24/7 so I can identify peak utilization. With performance monitor on Windows 7 for example where are the logs stored (c:\perfmon)? Is there a log size? Even better is the a website that can get me up to speed with scheduling and best practices of perfmon? (I don't need an explanation of what I can monitor)

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• How I can view and block specific applications temporarily from accessing Internet?

  - by Curious Apprentice

  I don't want to block any application permanently from accessing internet. I just want to block some specific applications for a particular time period to gain speed in running some other. I know about one such great tool - that is "Comodo firewall". It can smoothly block and accurately display apps accessing internet. The only problem of installing this is, Windows recommends only one firewall apps and as Im running Windows 7 x64 Ultimate there will be complications if I install this one. I need a tool which can accurately display which apps are accessing internet (through which port) and how much data they are receiving or sending. I also need some arrangement within the app so that I can easily temporarily block that app from accessing internet.

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• How Lenovo x200(x61) tablet is so great for programming? whats up with so low GHz processors for deb

  - by Piddubetskyy

  for best laptop for programming after reading here looks like its Mac vs Lenovo (tablet, because tablet is only why I would choose it over Mac). I do crave that tablet but low speed processor scares me. Intel Core i5 or i7 in Sony Vaio sounds more attractive (2,26 - 3GHz for lower price). Yes, Lenovo can be fast, like x201, but with good specifications its over $2,000 its a little too much. For a lot of development I just don't want to wait every time while program compiles and builds during debugging. I want it fairly fast and smooth. Can anyone advice their experience with Lenovo's tablets?

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