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• Barnes & Noble Slashes Lighted Nook Price to a Kindle-Competitive $119

  - by Jason Fitzpatrick

  In a bit of market battling that benefits everyone, Barnes & Noble has slashed the price of the Nook Simple Touch with Glowlight–their closest match to the Kindle Paperwhite–to $119. The new listing, in addition to showing off the lowered price, includes a not-so-subtle jab against the Kindle: “No Ads. Power adapter included.” While the Glowlight is a great little ebook reader, Barnes & Noble is on the defensive after a week of hands-on-hardware reviews of the Kindle Paperwhite left many reviewers proclaiming it king of the e-readers and heaping on mountains of praise. Hit up the link below to read more about the Nook Simple Touch with Glowlight Nook Simple Touch with Glowlight Now $119 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• chrooting user causes "connection closed" message when using sftp

  - by George Reith

  First off I am a linux newbie so please don't assume much knowledge. I am using CentOS 5.8 (final) and using OpenSSH version 5.8p1. I have made a user playwithbits and I am attempting to chroot them to the directory home/nginx/domains/playwithbits/public I am using the following match statement in my sshd_config file: Match group web-root-locked ChrootDirectory /home/nginx/domains/%u/public X11Forwarding no AllowTcpForwarding no ForceCommand /usr/libexec/openssh/sftp-server # id playwithbits returns: uid=504(playwithbits) gid=504(playwithbits) groups=504(playwithbits),507(web-root-locked) I have changed the user's home directory to: home/nginx/domains/playwithbits/public Now when I attempt to sftp in with this user I instantly get the message: connection closed Does anyone know what I am doing wrong? Edit: Following advice from @Dennis Williamson I have connected in debug mode (I think... correct me if I'm wrong). I have made a bit of progress by using chmod to set permissions recursively of all files in the directly to 700. Now I get the following messages when I attempt to log on (still connection refused): Connection from [My ip address] port 38737 debug1: Client protocol version 2.0; client software version OpenSSH_5.6 debug1: match: OpenSSH_5.6 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8 debug1: permanently_set_uid: 74/74 debug1: list_hostkey_types: ssh-rsa,ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: client->server aes128-ctr hmac-md5 none debug1: kex: server->client aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug1: userauth-request for user playwithbits service ssh-connection method none debug1: attempt 0 failures 0 debug1: user playwithbits matched group list web-root-locked at line 91 debug1: PAM: initializing for "playwithbits" debug1: PAM: setting PAM_RHOST to [My host info] debug1: PAM: setting PAM_TTY to "ssh" debug1: userauth-request for user playwithbits service ssh-connection method password debug1: attempt 1 failures 0 debug1: PAM: password authentication accepted for playwithbits debug1: do_pam_account: called Accepted password for playwithbits from [My ip address] port 38737 ssh2 debug1: monitor_child_preauth: playwithbits has been authenticated by privileged process debug1: SELinux support disabled debug1: PAM: establishing credentials User child is on pid 3942 debug1: PAM: establishing credentials Changed root directory to "/home/nginx/domains/playwithbits/public" debug1: permanently_set_uid: 504/504 debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 0 win 2097152 max 32768 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_global_request: rtype [email protected] want_reply 0 debug1: server_input_channel_req: channel 0 request env reply 0 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req env debug1: server_input_channel_req: channel 0 request subsystem reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req subsystem subsystem request for sftp by user playwithbits debug1: subsystem: cannot stat /usr/libexec/openssh/sftp-server: Permission denied debug1: subsystem: exec() /usr/libexec/openssh/sftp-server debug1: Forced command (config) '/usr/libexec/openssh/sftp-server' debug1: session_new: session 0 debug1: Received SIGCHLD. debug1: session_by_pid: pid 3943 debug1: session_exit_message: session 0 channel 0 pid 3943 debug1: session_exit_message: release channel 0 debug1: session_by_channel: session 0 channel 0 debug1: session_close_by_channel: channel 0 child 0 debug1: session_close: session 0 pid 0 debug1: channel 0: free: server-session, nchannels 1 Received disconnect from [My ip address]: 11: disconnected by user debug1: do_cleanup debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: closing session debug1: PAM: deleting credentials

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• Validar Textbox para aceptar solo n&uacute;meros

  - by Jason Ulloa

  Una de las necesidades más habituales en el desarrollo es poder validar los controles Textbox para que solo acepten valore numéricos. En este post eso es lo que haremos, nos apoyaremos en el lenguaje javascript para validar nuestro textbox del lado del cliente. Nuestro primer paso será crear la función JavaScript que hará el trabajo, para ello agregamos las etiquetas de javascript <script type="text/javascript"> </script> Posteriormente dentro de esas etiquetas agregaremos el script que hará el trabajo function ValidNum(e) { var tecla= document.all ? tecla = e.keyCode : tecla = e.which; return ((tecla > 47 && tecla < 58) || tecla == 46); } Por último iremos al code behind de la página y en el evento Load agregaremos un nuevo evento al textbox para que reconozca el script. protected void Page_Load(object sender, EventArgs e) { TextBox1.Attributes.Add("onkeypress", "javascript:return ValidNum(event);"); } Con esto, tenemos el textbox validado para aceptar solo números y el punto.

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• At The ATM: The Challenge of Tiny Buttons [Video]

  - by Jason Fitzpatrick

  If you’ve ever mis-mashed the buttons on an electronic device because your fingers are just too big, you’ll appreciate the situation this cheerful but massive fingered fellow gets into. Courtesy of Rikke Asbjoern, created while interning at Cartoon Network, the video is sure to hit home with those of us that fumble keypads and buttons wherever we go. [via Neatorama] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• The Star Wars That I Used To Know [Video]

  - by Jason Fitzpatrick

  Run away hit Somebody That I Used To Know by Gotye is on track to become the tune of the summer; this extremely well executed parody replaces the subject of a lover scorned with a Star Wars fan scorned (with quite entertaining results). Courtesy of Teddie Films, the 5 minute parody video faithfully recreates the music and set of the Gotye video but layers over plenty of Star Wars references and some rather subtle (and not so subtle) jabs at where the Star Wars franchise has gone in recent years. If you’re even remotely dishearted over what Episodes I-III changed about the original trilogy, this one’s for you. The Star Wars That I Used To Know [via Geeks Are Sexy] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• Why Does Chrome Have So Many Open Processes?

  - by Jason Fitzpatrick

  If you’ve ever taken a peek in Task Manager while running Google Chrome, you may have been surprised to see that the number of chrome.exe entries radically exceeded the number of actual Chrome windows you had open. What’s the deal with all those processes? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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• Ask the Readers: Do You Use the Command Line?

  - by Jason Fitzpatrick

  Despite over two decades of GUI interfaces many power users still turn to the command prompt. This week we want to hear about when and how you use the command prompt on your computer. Long ago in a time before you could manipulate your computer with a mouse and a series of buttons and windows, the command line ruled all. Even after years of GUI development and refinement many people still turn to the command line to get things done. This week we want to hear all about your command line tips and tricks. Do you use the default command line for your OS? Have you enhanced it? Replaced it? What keeps you coming back to the command line when everyone happily works away in the OS’s GUI? Sound off in the comments and don’t forget to check back in on Friday to see the What You Said roundup. What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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• Using a DisplayLink USB video adapter on Ubuntu 12.10

  - by Jason R

  The line of USB video adapters made by DisplayLink has a somewhat sordid history under Linux. In past Ubuntu releases, the process of getting them to work has been somewhat difficult, inspiring a number of past questions on this site: example 1 example 2 example 3 However, there are some indications that version 3.5 of the Linux kernel (which is used by 12.10) contains better support for these adapters, which should make them easier to use. I currently have a single-GPU machine (it is an Nvidia adapter) with dual monitor outputs. I would like to add the DisplayLink adapter to drive a third external monitor. How can I set this up on Ubuntu 12.10?

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• What You Said: Malware Fighting Tips and Tricks

  - by Jason Fitzpatrick

  Earlier this week we asked you to share your favorite malware fighting tricks. Now we’re back to highlight some of the tips and tricks you shared. Our Ask the Readers series gives our awesome and technologically literate readers a chance to show off their know-how. Today we’re rounding up some of the tips and tricks from Wednesday’s Ask the Reader post What Are Your Best Malware Fighting Tricks and highlighting them here. Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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• Ask the Readers: How Do You Track Your Time?

  - by Jason Fitzpatrick

  Whether you’re tracking time for a client or keeping track of how you spend your day to bolster productivity, there’s a variety of tools and tricks you can use to get the big picture on where your time is spent. This week we want to hear all about your time tracking tools, tricks, and tips. How do you manage your time? What apps do you use to categorize and sort it? No matter how loosely or tightly you track your time or whether you use an analog or a digital system, we want to hear the ins and outs of it. Sound off in the comments below and then check back in for the What You Said roundup on Friday. Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference

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• How can I get my Chrome icon back?

  - by George Edison

  Somehow the Google Chrome entry in the applications menu disappeared in Ubuntu. Is there a simple way of getting it back?

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• Repurpose a Kobo Reader as a Weather Station

  - by Jason Fitzpatrick

  Last month we showed you a clever hack that converted an old Kindle into a weather station; this new hack uses a Kobo ebook reader (cheaper hardware) and ditches the external server (less overhead). Even better, this new hack is simpler to deploy. You’ll need a Kobo unit, a free installer bundle courtesy of Kevin Short over at the MobileRead forums, and a few minutes to toggle on telnet access to your Kobo and run the installer. Hit up the link below to read more about the self-contained mod. Kobo Wi-Fi Weather Forecast [via Hack A Day] Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked

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• Ajax Autocomplete Extender

  - by Jason Ulloa

  El objetivo de este post es preparar un ejemplo sobre un tema que es planteado muy frecuentemente en los Foros de MSDN, como realizar un Autocomplete contra una base de datos. Qué requerimos? Antes de poder realizar un Autocomplete debemos tener en cuenta los elementos principales que requerimos para poder hacerlo funcionar, descritos de la siguiente manera: 1. Textbox: Nuestro grandioso amigo Textbox, que será donde el usuario ingresará los datos a buscar. 2. Un Webservice: que contendrá el método que se conectara a la base de datos y devolverá una lista con la información encontrada. 3. Ajax Autocomplete Extender: este es por decirlo así, el elemento más importante. Nos servirá como medio de enlace entre el webservice que expone el método y el textbox recuperando y mostrando los datos en forma de lista desplegable. La implementación Si bien parecierá complicado, crear un autocomplete extender es bastante sencillo. Empezaremos creando un nuevo sitio asp.net, en este sitio agregaremos un textbox y dos controles muy importantes de Ajax el ToolkitScriptManager para controlar el rende rizado de los script de ajax y el AutocompleteExtender que, como mencione anteriormente, será el medio de enlace. Antes de mostrar como quedará el código de lo anterior, explicaré algunas propiedades del AutocompleteExtender para que se entienda de mejor manera: 1. El ServicePath: contiene la ruta relativa al webservice que utilizaremos. 2. MinimumPrefixLength: se refiere al número de caracteres que deben ser digitados antes de iniciar la búsqueda. 3. ServiceMethod: el nombre del metodo de nuestro webservice que se encargará de devolver los datos. 4. EnableCaching: para mantener en cache los datos consultados, obteniendo mayor velocidad. 5. TargetControlID: una de las propiedades más importantes, acá se coloca el nombre del textbox al cual se unirá el Autocomplete 6. CompletionInterval: tiempo que debe transcurrir antes de iniciar con el trabajo de los datos. Una vez, explicadas las propiedades básicas, veamos como queda implementada la primer parte de nuestro autocomplete: <form id="form1" runat="server"> <div> <asp:ToolkitScriptManager ID="manager" runat="server" /> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" ServicePath="WebService.asmx" MinimumPrefixLength="1" ServiceMethod="PersonasInfo " EnableCaching="true" TargetControlID="TextBox1" UseContextKey="True" CompletionSetCount="10" CompletionInterval="0"> </asp:AutoCompleteExtender> </div> </form>   Ahora que nuestro código html está completo, es hora de trabajar directamente con nuestro webservice, este deberá contener un método que devuelva una lista o arreglo de datos, los cuales por supuesto, serán traídos desde la base de datos. Antes de implementar este método, debemos asegurarnos de que nuestra clase del webservice tiene habilitados los espacios para ser utilizada [System.Web.Script.Services.ScriptService()] [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class WebService : System.Web.Services.WebService {}   Ahora si, nuestro metodo principal [WebMethod()] [System.Web.Script.Services.ScriptMethod()] public string[] PersonasInfo(string prefixText, int count) { string connstring = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString;   using (SqlConnection conn = new SqlConnection(connstring)) { SqlCommand comando = new SqlCommand("select nombre from personas where nombre LIKE '%' + @param + '%' ", conn); comando.Parameters.AddWithValue("@param", prefixText); SqlDataReader dr = default(SqlDataReader); comando.Connection.Open(); dr = comando.ExecuteReader(); List<string> items = new List<string>();   while (dr.Read()) { items.Add(dr["nombre"].ToString()); } comando.Connection.Close(); return items.ToArray(); } }   Del método anterior no explicaré en profundidad, pues es bastante sencillo. Una consulta a la base de datos utilizando un datareader y devolviendo los datos en una lista como arreglo. Lo más importante serían las 2 primeras líneas [WebMethod()] y el [ScriptMethod()] las cuales habilitan nuestro método para poder ser accedido y utilizado. Por último, el código de ejemplo en C# (VB Autcomplete):

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• Dropbox Doubling the Storage of Their Pro Accounts Tonight Free of Charge

  - by Jason Fitzpatrick

  If you’re a Dropbox Pro user (or have been contemplating getting a Dropbox Pro account) today is your lucky day. Dropbox has overhauled their pricing structure, effectively doubling the storage capacity of their Pro account with nary a price increase in sight. Starting later today (keep an eye on the Dropbox Plans page for the change) the Pro 50GB and 100GB plans will shift to Pro 100GB and 200GB plans, doubling the amount of storage users enjoy without an increase in price. Hit up the link below for more info. New Dropbox Plans! [The Dropbox Blog] How to Play Classic Arcade Games On Your PC How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8

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• What You Said: Your Favorite Windows Customization Tricks

  - by Jason Fitzpatrick

  Earlier this week we asked you to share your favorite Windows customization tricks and now we’re back to highlight some of the tips, tricks, and tweaks you shared. Your customization tips ranged from cosmetic to behind the scenes tweaks and offered a wide variety of ways to customize the Windows experience. Ted Lilley’s favorite must-have tweak involves Windows Explorer: The most fundamental change I make to Windows 7 is to immediately add tabs to Explorer via the QTTabbar add-on. I also add the good old cut/copy/paste/delete/new folder buttons alongside the tabs by installing Classic Shell (I skip Classic Start). Robin sets up virtual desktops: How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Varnish, hide port number

  - by George Reith

  My set up is as follows: OS: CentOS 6.2 running on an OpenVZ virtual machine. Web server: Nginx listening on port 8080 Reverse proxy: Varnish listening on port 80 The problem is that Varnish redirects my requests to port 8080 and this appears in the address bar like so http://mysite.com:8080/directory/, causing relative links on the site to include the port number (8080) in the request and thus bypassing Varnish. The site is powered by WordPress. How do I allow Varnish to use Nginx as the backend on port 8080 without appending the port number to the address? Edit: Varnish is set up like so: I have told the Varnish daemon to listen to port 80 by default. VARNISH_VCL_CONF=/etc/varnish/default.vcl # # # Default address and port to bind to # # Blank address means all IPv4 and IPv6 interfaces, otherwise specify # # a host name, an IPv4 dotted quad, or an IPv6 address in brackets. # VARNISH_LISTEN_ADDRESS= VARNISH_LISTEN_PORT=80 # # # Telnet admin interface listen address and port VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1 VARNISH_ADMIN_LISTEN_PORT=6082 # # # Shared secret file for admin interface VARNISH_SECRET_FILE=/etc/varnish/secret # # # The minimum number of worker threads to start VARNISH_MIN_THREADS=1 # # # The Maximum number of worker threads to start VARNISH_MAX_THREADS=1000 # # # Idle timeout for worker threads VARNISH_THREAD_TIMEOUT=120 # # # Cache file location VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin # # # Cache file size: in bytes, optionally using k / M / G / T suffix, # # or in percentage of available disk space using the % suffix. VARNISH_STORAGE_SIZE=1G # # # Backend storage specification VARNISH_STORAGE="file,${VARNISH_STORAGE_FILE},${VARNISH_STORAGE_SIZE}" # # # Default TTL used when the backend does not specify one VARNISH_TTL=120 The VCL file that Varnish calls (through an include in default.vcl) consists of: backend playwithbits { .host = "127.0.0.1"; .port = "8080"; } acl purge { "127.0.0.1"; } sub vcl_recv { if (req.http.Host ~ "^(.*\.)?playwithbits\.com$") { set req.backend = playwithbits; set req.http.Host = regsub(req.http.Host, ":[0-9]+", ""); if (req.request == "PURGE") { if (!client.ip ~ purge) { error 405 "Not allowed."; } return(lookup); } if (req.url ~ "^/$") { unset req.http.cookie; } } } sub vcl_hit { if (req.http.Host ~ "^(.*\.)?playwithbits\.com$") { if (req.request == "PURGE") { set obj.ttl = 0s; error 200 "Purged."; } } } sub vcl_miss { if (req.http.Host ~ "^(.*\.)?playwithbits\.com$") { if (req.request == "PURGE") { error 404 "Not in cache."; } if (!(req.url ~ "wp-(login|admin)")) { unset req.http.cookie; } if (req.url ~ "^/[^?]+.(jpeg|jpg|png|gif|ico|js|css|txt|gz|zip|lzma|bz2|tgz|tbz|html|htm)(\?.|)$") { unset req.http.cookie; set req.url = regsub(req.url, "\?.$", ""); } if (req.url ~ "^/$") { unset req.http.cookie; } } } sub vcl_fetch { if (req.http.Host ~ "^(.*\.)?playwithbits\.com$") { if (req.url ~ "^/$") { unset beresp.http.set-cookie; } if (!(req.url ~ "wp-(login|admin)")) { unset beresp.http.set-cookie; } } }

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• Code Monster Helps Introduce Kids (and Curious Adults) to the Basics of Programming

  - by Jason Fitzpatrick

  If you’re looking for a fun way to introduce a kid to programming (or sate your own curiosity), Crunchzilla’s Code Monster is a real-time introduction to basic programming concepts. How does Code Monster work? Users are guided through the programming experience (using JavaScript) by a talkative blue monster that asks questions about the code and suggests courses of action. Play long enough and you travel from simple variables to more complex ideas like conditionals, expressions, and more. It’s not a comprehensive programming curriculum (nor does it claim to be) but it’s a great way to introduce people of all ages to programming. Hit up the link below to take it for a spin. Code Monster [via O'Reilly Radar] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Craft a Drinkable Density Column

  - by Jason Fitzpatrick

  Earlier this month we shared a clever 9-layer density column demonstration you’d most certainly not want to drink. This smaller demonstration, however, is a delicious column of fruit flavors. The secret sauce? In the previous experiment we shared the secret was using fluids with naturally varying densities (such as lamp oil and vegetable oil); in this experiment you’ll be relying on varying amounts of sugar in each layer to change the density of the water and keep them separate (and edible). You’ll need some Skittles, a few drinking glasses, water, and for best effect, a tall and narrow glass or graduated cylinder. Hit up the link below for the full details on the experiment and tips on how to carefully layer the liquids. Make a Drinkable Rainbow in a Glass [i09] Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked

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• Homebrewed Headphone Amp Shows Off DIY Resin Casting Process

  - by Jason Fitzpatrick

  Although the guts of this DIY build are worth checking out in their own right, what really caught our eye was the beautiful resin cast case surrounding the build as it’s something that could be adapted to a wide variety of projects. Over at the electronics blog Runaway Brainz they were looking for a slick way to encase an amp project. Rather than go with a project box or similar construction, they did a resin pour and then sanded and polished the resulting encasement. The results are stunning and turn the electronic guts of the amp into a work of art. Freeform Headphone Amp [via Make] How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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• CPU Wars Is a Trump-Style Card Game Driven by Chip Stats

  - by Jason Fitzpatrick

  If you’re looking for the geekiest card game around, you’d be hard pressed to beat CPU Wars–a top-trumps card game built around CPU specs. From the game’s designers: CPU Wars is a trump card game built by geeks for geeks. For Volume 1.0 we chose 30 CPUs that we believe had the greatest impact on the desktop history. The game is ideally played by 2 or 3 people. The deck is split between the players and then each player takes a turn and picks a category that they think has the best value. We have chosen the most important specs that could be numerically represented, such as maximum speed achieved and maximum number of transistors. It’s lots of fun, it has a bit of strategy and can be played during a break or over a coffee. If you’re interested, you can pick up a copy for £7.99 (roughly $12.50 USD). Hit up the link below for more information. How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More 47 Keyboard Shortcuts That Work in All Web Browsers How To Hide Passwords in an Encrypted Drive Even the FBI Can’t Get Into

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• Plastic Clamshell Packaging Voted Worse Design Ever

  - by Jason Fitzpatrick

  We’ve all been there: frustrated and trying free a new purchase from it’s plastic clamshell jail. You’re not alone, the packaging design has been voted the worst in history. In a poll at Quora, users voted on the absolute worst piece of design work they’d encountered. Overwhelmingly, they voted the annoying-to-open clamshell design to the top. The author of the top comment/entry, Anita Shillhorn writes: “Design should help solve problems” — clamshells are supposed to make it harder to steal small products and easier for employees to arrange on display — but this packaging, she says, makes new ones, such as time wasted, frustration, and the little nicks and scrapes people incur as they just try to get their damn lightbulb out. This is a product designed for the manufacturers and the retailers, not the end users. There is even a Wikipedia page devoted to “wrap rage,” “the common name for heightened levels of anger and frustration resulting from the inability to open hard-to-remove packaging.” Hit up the link below for more entries in their worst-design poll. Before you go, if you’ve got a great tip for getting goods out of the plastic shell they ship in, make sure to share it in the comments. What Is The Worst Piece of Design Ever Done? [via The Atlantic] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• LazyTruth Puts Fact Checks Email Forwards Right in Your Inbox

  - by Jason Fitzpatrick

  If you get a lot of forwards from well meaning relatives and want to instantly and effortlessly verify their content, LazyTruth is a Chrome extension that fact-checks forwarded emails in Gmail. It’s a rather novel concept: install LazyTruth and anytime you get a forwarded email you’re one click away from instant fact checking. LazyTruth checks keywords in the email against FactCheck.org and Politifiact (Snopes.com missing seems like a big oversight, hopefully they’ll be adding it soon). LazyTruth is currently Gmail/Chrome only. Hit up the link below to grab a copy. LazyTruth [via O'Reilly Radar] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• Distinction between API and frontend-backend

  - by Jason

  I'm trying to write a "standard" business web site. By "standard", I mean this site runs the usual HTML5, CSS and Javascript for the front-end, a back-end (to process stuff), and runs MySQL for the database. It's a basic CRUD site: the front-end just makes pretty whatever the database has in store; the backend writes to the database whatever the user enters and does some processing. Just like most sites out there. In creating my Github repositories to begin coding, I've realized I don't understand the distinction between the front-end back-end, and the API. Another way of phrasing my question is: where does the API come into this picture? I'm going to list some more details and then questions I have - hopefully this gives you guys a better idea of what my actual question is, because I'm so confused that I don't know the specific question to ask. Some more details: I'd like to try the Model-View-Controller pattern. I don't know if this changes the question/answer. The API will be RESTful I'd like my back-end to use my own API instead of allowing the back-end to cheat and call special queries. I think this style is more consistent. My questions: Does the front-end call the back-end which calls the API? Or does the front-end just call the API instead of calling the back-end? Does the back-end just execute an API and the API returns control to the back-end (where the back-end acts as the ultimate controller, delegating tasks)? Long and detailed answers explaining the role of the API alongside the front-end back-end are encouraged. If the answer depends on the model of programming (models other than the Model-View-Controller pattern), please describe these other ways of thinking of the API. Thanks. I'm very confused.

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• From the Tips Box: iPad Interface Emulation for Windows, Easy Access iPhone Flashlight, and Kindle Collection Management

  - by Jason Fitzpatrick

  Once a week we round up some of the great reader tips to share. Today we’re looking at an iPad interface emulator for Windows, a fast-access flashlight app for the iPhone, and a Windows-based way to organize Kindle collections. Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive Follow How-To Geek on Google+

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• Weekend Project: Make Your Own Ferromagnetic Fluid

  - by Jason Fitzpatrick

  Experiments this simple and fun give you no reason to leave all science-based goofing off to the professionals: whip up a beaker of ferromagnetic fluid to capture magnetic waves in motion. The premise is simple: by combing a viscous liquid (in this case vegetable oil) with a magnetic powder (in this case MICR copy toner) and introducing a strong magnetic source (such as neodymium rare earth magnets), you can actually see the magnetic waves in physical space. It’s like the old magnetic filings on the table top trick, but in 3D. Check out the video above to see how you can mix up a batch of your own. How to Make Magnetic Fluid [YouTube] What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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