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Hangouts API v1.1 Walkthrough

Hangouts API v1.1 Walkthrough Introduction to 3 new features in v1.1 of the Hangouts API. This release introduces the ability for your app to respond to face movements in real time. It also provides a new overlay positioned relative to the video feed, new low-latency messages, Hangouts on Air support, the ability to enter any OAuth scope, and a few other miscellaneous features. From: GoogleDevelopers Views: 4425 0 ratings Time: 01:14 More in Science & Technology

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badBIOS : le rootkit qui infecte les BIOS et communique par les airs, Windows, OS X, Linux et BSD sont tous vulnérables

badBIOS, le rootkit qui infecte les BIOS et communique par les airs Windows, OS X, Linux et BSD sont tous vulnérables.L'expert en sécurité canadien Dragos Ruiu est victime depuis quelques années des turpitudes d'un rootkit inconnu (qu'il a surnommé badBIOS) particulièrement coriace et évolué.Il y a trois ans, Ruiu fut notifié d'une mise à jour pour le firmware de son MacBook Air dont le système était fraichement installé. Depuis cette « mise à jour », la plupart des machines de son laboratoire...

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New Site Search features, upgrades for Adobe Creative Suite 5

The just-released Adobe? Creative Suite 5 (CS5) now includes a new Community Help application, powered by Google Site Search. It’s an Adobe AIR?-based companion that’s automatically installed as...

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MarteEngine Tile Collision

- by opiop65

I need to add collision to my tile map using MarteEngine. MarteEngine is built of of slick2D. Here's my tile generation code: Code: public void render(GameContainer gc, StateBasedGame game, Graphics g) throws SlickException { for (int x = 0; x < 16; x++) { for (int y = 0; y < 16; y++) { map[x][y] = AIR; air.draw(x * GameWorld.tilesize, y * GameWorld.tilesize); } } for (int x = 0; x < 16; x++) { for (int y = 7; y < 8; y++) { map[x][y] = GRASS; grass.draw(x * tilesize, y * tilesize); } } for (int x = 0; x < 16; x++) { for (int y = 8; y < 10; y++) { map[x][y] = DIRT; dirt.draw(x * tilesize, y * tilesize); } } for (int x = 0; x < 16; x++) { for (int y = 10; y < 16; y++) { map[x][y] = STONE; stone.draw(x * tilesize, y * tilesize); } } super.render(gc, game, g); } And one of my tile classes (they're all the same, the image names are just different): Code: package MarteEngine; import org.newdawn.slick.Image; import org.newdawn.slick.SlickException; import it.randomtower.engine.entity.Entity; public class Grass extends Entity { public static Image grass = null; public Grass(float x, float y) throws SlickException { super(x, y); grass = new Image("res/grass.png"); setHitBox(0, 0, 50, 50); addType(SOLID); } } I tried to do it like this: Code: for (int x = 0; x < 16; x++) { for (int y = 7; y < 8; y++) { map[x][y] = GRASS; Grass.grass.draw(x * tilesize, y * tilesize); } } But it gave me a NullPointerException. No idea why, everything looks initialized right? I would be very grateful for some help!

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Qu'est qui ne va plus avec Subversion ? Le système de gestion de versions est de plus en plus décrié et remplacé par d'autres outils

Qu'est qui ne va plus avec Subversion ? De plus en plus décrié et remplacé par d'autres systèmes de gestion de versions Tout comme PHP, Subversion est en perte de vitesse ou en tout cas en perte rapide de popularité au profit d'autres systèmes de gestion de versions jugés plus dans l'air du temps, comme Git, Mercurial ou encore Perforce. De plus en plus de développeurs l'abandonnent. Les plus blogueurs d'entre n'hésitent souvent pas à expliquer les raisons de leur infidélité dans des billets qui ...

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Roll Your Own Flexi-Ties to Secure and Store Frequently Used Cables

- by Jason Fitzpatrick

If you’re looking for an easy way to hang up or tidy frequently used cables, these DIY soft ties are durable, resuable, and easy to make. Soft ties ties are metal wire ties coated in rubber; people use them for everything from securing computer cables to shaping garden plants. Instructables user Bobzjr wanted a lot of them but couldn’t find anyone that sold bulk roles of the soft tie material. To that end he did a little exploring at the hardware store and found the perfect combination of wire and rubber to roll his own. Hit up the link below for more information on his DIY soft tie project. Roll Your Own Flexi-Ties (Soft Twist Ties) [Instructables] How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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Platformer Collision Error [closed]

- by Connor

I am currently working on a relatively simple platform game that has an odd bug.You start the game by falling onto the ground (you spawn a few blocks above the ground), but when you land your feet get stuck INSIDE the world and you can't move until you jump. Here's what I mean: The player's feet are a few pixels below the ground level. However, this problem only occurs in 3 places throughout the map and only in those 3 select places. I'm assuming that the problem lies within my collision detection code but I'm not entirely sure, as I don't get an error when it happens. public boolean isCollidingWithBlock(Point pt1, Point pt2) { //Checks x for(int x = (int) (this.x / Tile.tileSize); x < (int) (this.x / Tile.tileSize + 4); x++) { //Checks y for(int y = (int) (this.y / Tile.tileSize); y < (int) (this.y / Tile.tileSize + 4); y++) { if(x >= 0 && y >= 0 && x < Component.dungeon.block.length && y < Component.dungeon.block[0].length) { //If the block is not air if(Component.dungeon.block[x][y].id != Tile.air) { //If the player is in contact with point one or two on the block if(Component.dungeon.block[x][y].contains(pt1) || Component.dungeon.block[x][y].contains(pt2)) { //Checks for specific blocks if(Component.dungeon.block[x][y].id == Tile.portalBlock) { Component.isLevelDone = true; } if(Component.dungeon.block[x][y].id == Tile.spike) { Health.health -= 1; Component.isJumping = true; if(Health.health == 0) { Component.isDead = true; } } return true; } } } } } return false; } What I'm asking is how I would fix the problem. I've looked over my code for quite a while and I'm not sure what's wrong with it. Also, if there's a more efficient way to do my collision checking then please let me know! I hope that is enough information, if it's not just tell me what you need and I'll be sure to add it. Thank you! [EDIT] Jump code: if(!isJumping && !isCollidingWithBlock(new Point((int) x + 2, (int) (y + height)), new Point((int) (x + width + 2), (int) (y + height)))) { y += fallSpeed; //sY is the screen's Y. The game is a side-scroller Component.sY += fallSpeed; } else { if(Component.isJumping) { isJumping = true; } } if(isJumping) { if(!isCollidingWithBlock(new Point((int) x + 2, (int) y), new Point((int) (x + width + 2), (int) y))) { if(jumpCount >= jumpHeight) { isJumping = false; jumpCount = 0; } else { y -= jumpSpeed; Component.sY -= jumpSpeed; jumpCount += 1; } } else { isJumping = false; jumpCount = 0; } }

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Flash Player 11.2 Beta 2 disponible : mise à jour automatique, encodage vidéo multithread et gestion avancée des évènements de la souris

Flash Player 11.2 Beta 2 disponible : mise à jour automatique sous Windows Encodage vidéo multithread et gestion avancée des évènements de la souris Après la tempête, la vie reprend pour Adobe qui met à jour les versions de test de Flash Player 11.2 et AIR 3.2, suite à de premières bêtas sans la moindre nouveauté visible pour les développeurs. Les deuxièmes Beta sont disponibles aujourd'hui sur Adobe Labs et introduisent plusieurs améliorations profitant notamment aux développeurs de jeux. Flash Player 11.2 p...

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The ‘Coolest’ Server You will Ever See [Video]

- by Asian Angel

What is a little bit of snow-covered server between friends, right? From YouTube: This is an experimental Free Air Cooling setup called a Helsinki Chamber. You can learn more about this experimental server cooling technology here. Snow is not a problem for servers in Finland [via Fail Desk] Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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Time development vs production values

- by Pier

I have to choose between a framework I already know (Adobe Air), and a framework I know nothing about but is more powerful (Unity). I can do the mobile game I have in mind with both platforms, but the quality of the graphics and development time would be quite different. From an indie mobile perspective, are more detailed graphics justifiable commercially? Is there any objective study that throws some solid conclusions about that?

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Why datacenter water cooling is not widespread?

- by MainMa

From what I read and hear about datacenters, there are not too many server rooms which use water cooling, and none of the largerst datacenters use water cooling (correct me if I'm wrong). Also, it's relatively easy to buy an ordinary PC components using water cooling, while water cooled rack servers are nearly nonexistent. On the other hand, using water can possibly (IMO): Reduce the power consumption of large datacenters, especially if it is possible to create direct cooled facilities (i.e. the facility is located near a river or the sea). Reduce noise, making it less painful for humans to work in datacenters. Reduce space needed for the servers: On server level, I imagine that in both rack and blade servers, it's easier to pass the water cooling tubes than to waste space to allow the air to pass inside, On datacenter level, if it's still required to keep the alleys between servers for maintenance access to servers, the empty space under the floor and at the ceiling level used for the air can be removed. So why water cooling systems are not widespread, neither on datacenter level, nor on rack/blade servers level? Is it because: The water cooling is hardly redundant on server level? The direct cost of water cooled facility is too high compared to an ordinary datacenter? It is difficult to maintain such system (regularly cleaning the water cooling system which uses water from a river is of course much more complicated and expensive than just vacuum cleaning the fans)?

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How to write files in specific order?

- by Bernie

Okay, here's a weird problem -- My wife just bought a 2014 Nissan Altima. So, I took her iTunes library and converted the .m4a files to .mp3, since the car audio system only supports .mp3 and .wma. So far so good. Then I copied the files to a DOS FAT-32 formatted USB thumb drive, and connected the drive to the car's USB port, only to find all of the tracks were out of sequence. All tracks begin with a two digit numeric prefix, i.e., 01, 02, 03, etc. So you would think they would be in order. So I called Nissan Connect support and the rep told me that there is a known problem with reading files in the correct order. He said the files are read in the same order they are written. So, I manually copied a few albums with the tracks in a predetermined order, and sure enough he was correct. So I copied about 6 albums for testing, then changed to the top level directory and did a "find . music.txt". Then I passed this file to rsync like this: rsync -av --files-from=music.txt . ../Marys\ Music\ Sequenced/ The files looked like they were copied in order, but when I listed the files in order of modified time, they were in the same sequence as the original files: ../Marys Music Sequenced/Air Supply/Air Supply Greatest Hits ls -1rt 01 Lost In Love.mp3 04 Every Woman In The World.mp3 03 Chances.mp3 02 All Out Of Love.mp3 06 Here I Am (Just When I Thought I Was Over You).mp3 05 The One That You Love.mp3 08 I Want To Give It All.mp3 07 Sweet Dreams.mp3 11 Young Love.mp3 So the question is, how can I copy files listed in a file named music.txt, and copy them to a destination, and ensure the modification times are in the same sequence as the files are listed?

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AMD FX8350 CPU - CoolerMaster Silencio 650 Case - New Water Cooling System

- by fat_mike

Lately after a use of 6 months of my AMD FX8350 CPU I'm experiencing high temperatures and loud noise coming from the CPU fan(I set that in order to keep it cooler). I decided to replace the stock fan with a water cooling system in order to keep my CPU quite and cool and add one or two more case fans too. Here is my case's airflow diagram: http://www.coolermaster.com/microsite/silencio_650/Airflow.html My configuration now is: 2x120mm intake front(stock with case) 1x120mm exhaust rear(stock with case) 1 CPU stock I'm planning to buy Corsair Hydro Series H100i(www.corsair.com/en-us/hydro-series-h100i-extreme-performance-liquid-cpu-cooler) and place the radiator in the front of my case(intake) and add an 120mm bottom intake and/or an 140mm top exhaust fan. My CPU lies near the top of the MO. Is it a good practice to have a water-cooling system that takes air in? As you can see here the front of the case is made of aluminum. Can the fresh air go in? Does it even fit? If not, is it wiser to get Corsair Hydro Series H80i (www.corsair.com/en-us/hydro-series-h80i-high-performance-liquid-cpu-cooler) and place the radiator on top of my case(exhaust) and keep the front 2x120mm stock and add one more as intake on bottom. If you have any other idea let me know. Thank you. EDIT: The CPU fan running ~3000rpm and temp is around 40~43C on idle and save energy. When temp is going over 55C when running multiple programs and servers on localhost(tomcat, wamp) rpm is around 5500 and loud! I'm running Win8.1 CPU not overclocked PS: Due to my reputation i couldn't post the links that was necessary. I will edit ASAP.

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Looking for software to create a personal hotspot on Mac OS X (not using the built-in ability)

- by Fred

I got my nifty little MacBook Air today. Since I will be going on travel I was hoping to use my iPad 3G as screen extension with Air Display. It works being in a shared WiFi network. Sadly Apple is a bit restrictive on the tethering with their mobile devices such as the iPad. Now I read iOS 4.3 will enable the iPad to use tethered networks. But the feature will not be working for iPad 3G. I assume their big partner telecom companies fear everyone will quit their internet contract with them. So I want to create a personal hotspot on my MacBook and use it on my iPad. But the iPad is not able to use this network. The network is visible but not usable. On Windows there is this connectify program which lets the PC act as wireless router. Does anybody know a similar program for Mac which would turn it into a wireless router? Or is there something I don't see with Mac OS X's builtin features?

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Running a VM off a USB 2.0 Flash Drive - Mac/Parallels/XP

- by geerlingguy

I use a MacBook Air as my primary machine, and the 128GB SSD means space is precious. To save about 10 GB, I've been running Parallels with a Windows XP VM off an external USB hard drive, which performs as well in everyday use as running the VM off the internal SSD. So, I bought a tiny 32GB USB 2.0 flash drive, plugged it into the MacBook Air, formatted it first as ExFAT (which was slow), then as Mac OS Extended (Journaled) (which was also slow), and copied over my VM file, and ran Parallels off it. My full experience is documented here: http://www.midwesternmac.com/blogs/jeff-geerling/running-windows-xp-vm Straight file copies are really fast — 30 MB/sec read (solid the whole time), and 10-11 MB/sec write (solid the whole time). But I noticed that once XP started running, the disk access rates were in the low KB ranges. Are USB flash drives really that poor at random access, or could I possibly be missing something (the format of the flash drive, etc.?)? Of note, I've tried the following, to no great effect: Formatting the drive as either ExFAT or Mac OS Extended (Journaled) Unplugging all other USB devices and turning off Bluetooth (which runs on the right-side-port USB bus). Plugging in the flash drive either direct in the right side port, or the left side port, or into a USB 2.0 hub

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Mac creating files w/ wrong perms on samba share

- by geoffjentry

In my group, which is very heterogeneous in terms of machines, we use a samba share to collaborate on files and such. In all but one case, it works as expected (or at least close enough). The one exception is my boss' laptop, a snow leopard macbook air. On his desktop (also snow leopard), if he creates a file it ends up serverside with perms of 774, but when he creates it with the Air, the perms are 644. The key problem is the lack of group write permission on the laptop created files. What's really confusing is that everything that I've looked at on the two machines are identical - same version of OS X, same version of samba (3.0.25b-apple), same settings for the same software, etc. I can't imagine why one machine would be different than the other, but it is. To try to be complete w/ the description, here is the relevant portion of my smb.conf file: comment = my Share path = /path/to/share public = no writeable = yes printable = no force group = myshare directory mask = 0770 create mask = 0770 force create mode = 0770 force directory mode = 0770 EDIT: I looked at three more Macs and all of them worked as expected which leaves this one laptop the true oddball. This wasn't as good as a test as the others though, as they were all leopard.

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Mac updated just now, postgres now broken

- by Dave

I run postgres 9.1 / ruby 1.9.2 / rails 3.1.0 on a maxbook air for local dev. It's all been running smoothly for months, (though this is the first time I've done development on a mac.) It's a macbook air from last year, and today I got the mac osx software update message as I have a few times before, and my system downloaded approx 450mb of updates and restarted. It now says it's on OSX 10.7.3. Point is, postgres has stopped working, when I start my thin server (mirror heroku cedar) as normal, and then browse to my rails app I get: PG::Error could not connect to server: Permission denied Is the server running locally and accepting connections on Unix domain socket "/var/pgsql_socket/.s.PGSQL.5432"? What happened? After browsing around a few questions I'm still confused, but here's some extra info: Running psql from command line gives same error I can run pgadmin 3 and connect via it and run SQL no problems Running which psql shows the version as /usr/bin/psql I created a PostgreSQL user back when I got the mac (it's always been on lion) I've no idea why, almost certainly I was following a tutorial which I neglected to store in my notes. Point is I am aware there is a _postgres user as well. I know it's rubbish, but apart from a note on passwords, I don't have any extra info on how I configured postgres - though the obvious implication is that I did not use the _postgres user. Anyone have suggestions or information on what might have changed / what I can try to debug and fix? Thanks. Edit: Playing around based on this question and answer: http://stackoverflow.com/questions/7975414/check-status-of-postgresql-server-mac-os-x, see this string of commands: $ sudo su postgreSQL bash-3.2$ /Library/PostgreSQL/9.1/bin/pg_ctl start -D /Library/PostgreSQL/9.1/data pg_ctl: another server might be running; trying to start server anyway server starting bash-3.2$ 2012-04-08 19:03:39 GMT FATAL: lock file "postmaster.pid" already exists 2012-04-08 19:03:39 GMT HINT: Is another postmaster (PID 68) running in data directory "/Library/PostgreSQL/9.1/data"? bash-3.2$ exit

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Motherboard running rather hot while gaming

- by I take Drukqs

Case: Antec 1200 Mobo: Gigabyte GA-X58A-UD3R CPU: Intel i7 950 (stock cooler) GPU: EVGA GeForce 570 GTX RAM: 2x 2 GB (4 GB total) DDR3 dual-channel Corsair OS: Windows 7 Home Premium 64-bit This is my first build and it's brand new. I had no problems putting it all together in a few hours one evening and I consider myself to be pretty good with computers. Not to brag or anything like that! Just saying I've been fiddling with them since I was in diapers and I have a good amount of experience under my belt, just not with certain things yet. Recently while playing many of the latest games maxed out without a hitch my motherboard has been running hot and like anyone who's ever built a computer it scares the life out of me. I checked HWMonitor and saw that my motherboard sometimes reached temperatures of around 52 - 78c (the number 78 obviously being what's scaring me). I was wondering if such a temperature is normal and if not what the problem could be. Air flow in my case is phenomenal and besides having to ship back a faulty GPU and reseat my CPU my first build has been a very large success which I am enjoying tremendously. There is literally almost no dust in my case due to it being very new as previously mentioned and my RAM sticks are in the correct slots for dual-channel mode. My cable management is pretty great in my opinion with only cables from my PSU lingering in the bottom of the case. At any given opportunity I ran my cables behind my mobo. Air flow should definitely not be a problem because my CPU only goes up to about 60c and my GPU only goes up to about 80c. Thank you very much in advance.

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Windows 7 notebook turn off by itself, how to check if it is due to CPU being too hot?

- by Jian Lin

I have a Dell Studio 15 notebook, and it just started turning off by itself yesterday. Could it be that the CPU is too hot? I have had several notebooks before and every one of them I can put them on the bed without any problem. This Dell Studio Notebook, however, seems like have the air / fan outlet pointed outward from the bottom back of the notebook, so I suspect that the air is partially blocked when it is on the bed. Are there Win 7 tools that can monitor the CPU temperature, or will some 3rd party tool be needed? (I try to stick to official tools nowadays). Also, it is running Win 7 Ulitmate, there is actually no utility or background service from Win 7 or from Dell that detects when the temperature is too hot (or 95% near the max), pop out a message box giving a warning and say that the computer will go into sleep mode in 1 minute, but instead just turn off the computer by brute force (cutting out the power) right then and there? Update: it turned off right in front of my eyes -- it is not doing any windows update or anything. just normal use and jooooop, it turned off.

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Mac updated just now, postgres now broken

- by user52224

I run postgres 9.1 / ruby 1.9.2 / rails 3.1.0 on a maxbook air for local dev. It's all been running smoothly for months, (though this is the first time I've done development on a mac.) It's a macbook air from last year, and today I got the mac osx software update message as I have a few times before, and my system downloaded approx 450mb of updates and restarted. It now says it's on OSX 10.7.3. Point is, postgres has stopped working, when I start my thin server (mirror heroku cedar) as normal, and then browse to my rails app I get: PG::Error could not connect to server: Permission denied Is the server running locally and accepting connections on Unix domain socket "/var/pgsql_socket/.s.PGSQL.5432"? What happened? After browsing around a few questions I'm still confused, but here's some extra info: Running psql from command line gives same error I can run pgadmin 3 and connect via it and run SQL no problems Running which psql shows the version as /usr/bin/psql I created a PostgreSQL user back when I got the mac (it's always been on lion) I've no idea why, almost certainly I was following a tutorial which I neglected to store in my notes. Point is I am aware there is a _postgres user as well. I know it's rubbish, but apart from a note on passwords, I don't have any extra info on how I configured postgres - though the obvious implication is that I did not use the _postgres user. Anyone have suggestions or information on what might have changed / what I can try to debug and fix? Thanks. Edit: Playing around based on this question and answer: http://stackoverflow.com/questions/7975414/check-status-of-postgresql-server-mac-os-x, see this string of commands: $ sudo su postgreSQL bash-3.2$ /Library/PostgreSQL/9.1/bin/pg_ctl start -D /Library/PostgreSQL/9.1/data pg_ctl: another server might be running; trying to start server anyway server starting bash-3.2$ 2012-04-08 19:03:39 GMT FATAL: lock file "postmaster.pid" already exists 2012-04-08 19:03:39 GMT HINT: Is another postmaster (PID 68) running in data directory "/Library/PostgreSQL/9.1/data"? bash-3.2$ exit

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RouterLess, house-wired network using multiple powerline adapters

- by Cliff Arnell

related to the 'old days' of one ethernet cable tapped with Ts for each monitor.... my question might be very simple... or not. I have an over-the-air internet provider with a wire dish with a powered transceiver and cat5 cable out of the providers supplied modem. I'm presently connecting the output of the modem into my wireless router which sends the internet signal all over the house. Standard stuff, I believe. My Question. Can I just connect the output of the modem into 1 powerline adapter and tie all my equipment such as computer, printer, laptop, Tivo recorder, etc. into 1-each local powerline adapters located near each devices resulting in a 'house-wired' network and no router? I'm bothered by the idea that my over-the-air provider might be using something in my router to establish and keep my IP connection alive. I did have to configure the router for my IP, a router which, in my proposed scenario, would no longer exist. Thank you for your help.

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404 with serving static files in a custom nginx configuration

- by code90

In my nginx configuration, I have the following: location /admin/ { alias /usr/share/php/wtlib_4/apps/admin/; location ~* .*\.php$ { try_files $uri $uri/ @php_admin; } location ~* \.(js|css|png|jpg|jpeg|gif|ico|pdf|zip|rar|air)$ { expires 7d; access_log off; } } location ~ ^/admin/modules/([^/]+)(.*\.(html|js|json|css|png|jpg|jpeg|gif|ico|pdf|zip|rar|air))$ { alias /usr/share/php/wtlib_4/modules/$1/admin/$2; } location ~ ^/admin/modules/([^/]+)(.*)$ { try_files $uri @php_admin_modules; } location @php_admin { if ($fastcgi_script_name ~ /admin(/.*\.php)$) { set $valid_fastcgi_script_name $1; } fastcgi_pass $byr_pass; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/php/wtlib_4/apps/admin$valid_fastcgi_script_name; fastcgi_param REDIRECT_STATUS 200; include /etc/nginx/fastcgi_params; } location @php_admin_modules { if ($fastcgi_script_name ~ /admin/modules/([^/]+)(.*)$) { set $byr_module $1; set $byr_rest $2; } fastcgi_pass $byr_pass; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/php/wtlib_4/modules/$byr_module/admin$byr_rest; fastcgi_param REDIRECT_STATUS 200; include /etc/nginx/fastcgi_params; } Following is the requested url which ends up with "404": http://www.{domainname}.com/admin/modules/cms/styles/cms.css Following is the error log: [error] 19551#0: *28 open() "/usr/share/php/wtlib_4/apps/admin/modules/cms/styles/cms.css" failed (2: No such file or directory), client: xxx.xxx.xxx.xxx, server: {domainname}.com, request: "GET /admin/modules/cms/styles/cms.css HTTP/1.1", host: "www.{domainname}.com" Following urls works fine: http://www.{domainname}.com/admin/modules/store/?a=manage http://www.{domainname}.com/admin/modules/cms/?a=cms.load Can anyone see what the problem could be? Thanks. PS. I am trying to migrate existing sites from apache to nginx.

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Locate devices within a building

- by ams0

The situation: Our company is spread between two floors in a building. Every employee has a laptop (macbook Air or MacbookPro) and an iPhone. We have static DHCP mappings and DNS resolution so every mobile gets a name like employeeiphone.example.com, every macbook air gets a employeelaptop.example.com and every macbook pro gets a employeelaptop.example.com on the Ethernet interface (the wifi gets a dynamic IP from a small range dedicated for the purpose). We know each and every MAC address of phones and laptops, since we do DHCP static mapping (ISC DHCP server runs on linux). At each floor we have a Netgear stack of two switches, connected via 10GB fiber to each other. No VLANs so far. At every floor there are 4 Airport Extreme making a single SSID network with WPA2 authentication. The request: Our CTO wants to know who is present at which floor. My solution (so far): Every switch contains an table listing MAC address and originating port. On each switch stack, all the MAC addresses coming from the other floor are listed as coming on port 48 (the fiber link). So I came up with: 1) Get the table from each switch via SNMP 2) Filter out the ones associated with port 48 3) Grep dhcpd.conf, removing all entries not *laptop and not *iphone 4) Match the two lists for each switch, output in JSON or XML 5) present the results on a dashboard for all to see I wrote it in bash with a lot of awk and sed, it kinda works but I always have for some reason stale entries in the switch lookup tables, making it unreliable; some people may have put their laptop to sleep, their iphones drop connections after a while, if not woken up and so on..I searched left and right, we are prepared to spend a little on the project too (RFIDs?), does anybody do something similar? I can provide with the script if needed (although it's really specific to our switches and naming scheme). Thanks! p.s. perhaps is this a question for stackoverflow? please move if it so.

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MacMini transmit rate stuck at 11, every other device can connect at full 54Mbit/s?

- by chum of chance

I have a MacMini circa 2007 that's getting very low transmit rates via wifi, 8-11. I have other devices that are getting full 54, including a MacBook Air. With everything else off, the MacMini doesn't want to seem to go any faster. Since it has been previously connected to ethernet its entire life, I was wondering if there were some settings I can change to speed up the connection. Option-clicking the network icon gives this read out: PHY Mode: 802.11g Channel: 1 (2.4 Ghz) Security: WPA2 Personal RSSI: -73 Transmit Rate: 11 My new MacBook Air has the following readout: PHY Mode: 802.11n Channel: 1 (2.4 Ghz) Security: WPA2 Personal RSSI: -66 Transmit Rate: 79 Both have full bars and the wireless router is in the same room to eliminate any obstructions from the equation. Could the MacMini be connecting at an older protocol, like 802.11b and be reporting erroneously that it is connected at 802.11g? This would explain why I haven't seen a transmit rate above 11. Any further trouble shooting I can try before buying a new USB 802.11n device? The WiFi router is a DLink DIR-615. I can see other devices, and none, even the other g connected devices, are getting below 30-40 MBit/s. What's going on here?

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Attribute References in Python

- by Jeune

I do Java programming and recently started learning Python via the official documentation. I see that we can dynamically add data attributes to an instance object unlike in Java: class House: pass my_house = House() my_house.number = 40 my_house.rooms = 8 my_house.garden = 1 My question is, in what situations is this feature used? What are the advantages and disadvantages compared to the way it is done in Java?

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