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  • Doctrine 1.2: How do i prevent a contraint from being assigned to both sides of a One-to-many relati

    - by prodigitalson
    Is there a way to prevent Doctrine from assigning a contraint on both sides of a one-to-one relationship? Ive tried moving the definition from one side to the other and using owning side but it still places a constraint on both tables. when I only want the parent table to have a constraint - ie. its possible for the parent to not have an associated child. For example iwant the following sql schema essentially: CREATE TABLE `parent_table` ( `child_id` varchar(50) NOT NULL, `id` integer UNSIGNED NOT NULL auto_increment, PRIMARY KEY (`id`) ); CREATE TABLE `child_table` ( `id` integer UNSIGNED NOT NULL auto_increment, `child_id` varchar(50) NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY (`child_id`), CONSTRAINT `parent_table_child_id_FK_child_table_child_id` FOREIGN KEY (`child_id`) REFERENCES `parent_table` (`child_id`) ); However im getting something like this: CREATE TABLE `parent_table` ( `child_id` varchar(50) NOT NULL, `id` integer UNSIGNED NOT NULL auto_increment, PRIMARY KEY (`id`), CONSTRAINT `child_table_child_id_FK_parent_table_child_id` FOREIGN KEY (`child_id`) REFERENCES `child_table` (`child_id`) ); CREATE TABLE `child_table` ( `id` integer UNSIGNED NOT NULL auto_increment, `child_id` varchar(50) NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY (`child_id`), CONSTRAINT `parent_table_child_id_FK_child_table_child_id` FOREIGN KEY (`child_id`) REFERENCES `parent_table` (`child_id`) ); I could just remove the constraint manually or modify my accessors to return/set a single entity in the collection (using a one-to-many) but it seems like there should built in way to handle this. Also im using Symfony 1.4.4 (pear installtion ATM) - in case its an sfDoctrinePlugin issue and not necessarily Doctrine itself.

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  • Bitbucket - permission denied (public key)

    - by drupality
    I have repos in github and bitbucket. First I wanted to use same public key in bb and gh with no luck. So I created another public key, my .ssh/config file look like this: Host bb HostName bitbucket.org User somename PreferredAuthentications publickey IdentityFile C:/Documents and Settings/Marek/.ssh/bb Host github HostName github.com User somename PreferredAuthentications publickey IdentityFile C:/Documents and Settings/Marek/.ssh/id_rsa bb.pub is for bitbucket. I pasted key from this file to bitbucket. I still having Permission denied (public key) when I try to push my initial commit. Could somebody help?

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  • Meta key in Terminal.app vs national characters

    - by yacoob
    I'm using Terminal.app, and I'd like to use emacs running inside - either locally, or after sshing to remote server. Problem is, I can't get working Meta modifier. Namely, if I enable 'Use option as meta key', Option key works like proper Meta, but I lose ability to enter Polish diacritics (aelósznzc), that are entered with right Option. If I disable 'Use option as meta key', my Meta is gone, but I can again use Polish characters. In this state they appear only with right Option modifier, so I guess it's Terminal.app's fault that it doesn't make a difference between left and right Option key, when the relevant preference is selected. What are my options then? Is there a good solution for my problem? I can always use ESC as a poor man's Meta replacement, but I don't like that idea.

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  • Issues with SSL key on CentOS

    - by yummm
    When trying to install a SSL key on my centos server, apache refuses to restart and I see the following errors in my log. [Tue Mar 16 22:32:58 2010] [error] Init: Private key not found [Tue Mar 16 22:32:58 2010] [error] SSL Library Error: 218710120 error:0D094068:asn1 encoding routines:d2i_ASN1_SET:bad tag [Tue Mar 16 22:32:58 2010] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Tue Mar 16 22:32:58 2010] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error [Tue Mar 16 22:32:58 2010] [error] SSL Library Error: 218734605 error:0D09A00D:asn1 encoding routines:d2i_PrivateKey:ASN1 lib What exactly does this mean? Is my SSL key bad? If so, what is the correct way to upload the key to the server? I just opened the crt file in notepad and copied the data out and saved it over ssh.

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  • ssh without password does not work for some users

    - by joshxdr
    I have a new RHEL4 Linux box that I am using to copy data to old Solaris 2.6 and RHEL3 Linux boxes with scp. I have found that with the same setup, it works for some users but not for others. For user jane, this works fine: jane@host1$ ssh -v remhost debug1: Next authentication method: publickey debug1: Trying private key: /mnt/home/osborjo/.ssh/identity debug1: Offering public key: /mnt/home/osborjo/.ssh/id_rsa debug1: Server accepts key: pkalg ssh-rsa blen 277 debug1: read PEM private key done: type RSA debug1: Authentication succeeded (publickey). for user jack it does not: jack@host1 ssh -v remhost debug1: Next authentication method: publickey debug1: Trying private key: /mnt/home/oper1/.ssh/identity debug1: Offering public key: /mnt/home/oper1/.ssh/id_rsa debug1: Authentications that can continue: publickey,password,keyboard-interactive I have looked at the permissions for all the keys and files, they look the same. Since I am using home directories mounted by NFS, the keys for both the remote host and the local host are in the same directory. This is how things look for jane: jane@host1$ ls -l $HOME/.ssh -rw-rw-r-- 1 jane operator 394 Jan 27 16:28 authorized_keys -rw------- 1 jane operator 1675 Jan 27 16:27 id_rsa -rw-r--r-- 1 jane operator 394 Jan 27 16:27 id_rsa.pub -rw-rw-r-- 1 jane operator 1205 Jan 27 16:46 known_hosts For user jack: jack@host1$ ls -l $HOME/.ssh -rw-rw-r-- 1 jack engineer 394 Jan 27 16:28 authorized_keys -rw------- 1 jack engineer 1675 Jan 27 16:27 id_rsa -rw-r--r-- 1 jack engineer 394 Jan 27 16:27 id_rsa.pub -rw-rw-r-- 1 jack engineer 1205 Jan 27 16:46 known_hosts As a last ditch effort, I copied the authorized_keys, id_rsa, and id_rsa.pub from jill to jack, and changed the username in authorized_keys and id_rsa.pub with vi. It still did not work. It seems there is something different between the two users but I cannot figure out what it is.

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  • What is an SSH key?

    - by acidzombie24
    I signed up for github and notice the ssh key option which looked interesting. I originally expected something like an ssl key (name, co name, etc). After going through it i notice i only put a password and it is always myuser@comp-name (this is windows). Why? I thought it was a user/pass id and i can create separate keys for separate purpose for privacy reasons. Now i see i am required to use one to create a repository. Also i see something about a 'private key file' when looking at options. What exactly is an SSH Key and how can i create a separate user without creating a separate login in windows.

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  • Recovering a Windows XP License key

    - by Fortyrunner
    I threw out a Windows XP machine a while ago (the motherboard failed). I kept the hard drive and the XP installation media. Problem is the license key was on a sticker on the machine - doh! The original manufacturer has gone bust (Evesham) and I suspect that Microsoft will be of little help. Is there any easy way to get the license key off the hard disk? Can I just find the file with the registry data in it and get the key using a hex editor? I really need a spare XP key for use in a Windows VM.

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  • Visual Studio 2008/2010 Intellisense disable tab key

    - by Sean Edwards
    So I've been having problems with my left wrist and working on code for extended period of times, and I've pretty much narrowed the cause down to Intellisense autocomplete and the tab key. Ok, to be fair, I can't blame Intellisense, but constantly reaching over to hit that key is causing problems. I've discovered Enter does the exact same thing in that context, but that's not the key I instinctively reach for. Is it possible to outright disable the function of the tab key in intellisense, so I'm forced to use Enter instead (which I hit without contorting my wrist oddly.) Thanks. P.S. I do have Visual Assist, so if it's not possible in Visual Studio itself, can VAssistX help?

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  • Java: how to name boolean properties

    - by NoozNooz42
    I just had a little surprise in a Webapp, where I'm using EL in .jsp pages. I added a boolean property and scratched my head because I had named a boolean "isDynamic", so I could write this: <c:if test="${page.isDynamic}"> ... </c:if> Which I find easier to read than: <c:if test="${page.dynamic}"> ... </c:if> However the .jsp failed to compile, with the error: javax.el.PropertyNotFoundException: Property 'isDynamic' not found on type com... I turns out my IDE (and it took me some time to notice it), when generating the getter, had generated a method called: isDynamic() instead of: getIsDynamic() Once I manually replaced isDynamic() by getIsDynamic() everything was working fine. So I've got really two questions here: is it bad to start a boolean property's name with "is"? wether it is bad or not, didn't IntelliJ made a mistake here by auto-generating a method named isDynamic instead of getIsDynamic?

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  • SSH authentification with public key fails

    - by palani
    I have my id_rsa.pub key under my /home/user/.ssh. I carefully copied that key and paste my key to respository Git account. While trying to connect from my local system to my git respository, I got the following error: warning: Authentication failed. Disconnected; no more authentication methods available (No further authentication methods available.) I removed SSH in system and re-enable and did again, but no luck. I have no idea what's happening with my SSH key. Can any one please tell me on this? Note : I noticed in my home /home/user/.ssh && /home/user/.ssh2

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  • How to: SSH private key authentication on OS X

    - by dan
    Hi, I need to ssh into a linux box. The server admin gave me a public and private ssh key. When I'm trying to login with the private key the login times out ("Operation timed out"). I'm using this command to login: ssh -v -i /path/to/private_key host What would be the right way to login? Do I need the public key for authentication? Thanks for any help.

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  • Enable bitlocker an save key to share

    - by user273694
    I have searched all over the web but cannot find a complete answer to this: How to enable Bitlocker on a laptop with TPM, and store a file with the Bitlocker recovery key and TPM password by USING THE manage-bde command line tool. The file should be the same as when created in the Bitlocker manager UI. I DO NOT want to save to AD. The same question was asked here but was not answered correctly. The goal is to write a script to be used with an endpoint manager. I have tried the following: manage-bde -on C: Works fine, but does not create or save a key. manage-bde -on C: -rk C:\myfolder\ and manage-bde -on C: -RecoveryKey C:\myfolder\ -rp The output from the last two methods state that a key has been saved to c:\myfolder and so on, but that is not the case. It also says that I have to: Save the password in a secure location Insert a USB flash drive with an external key file into the computer. Restart and run hardware test type "manage-bde -status" to check if the hardware test succeeded After a restart, I get an error saying that Bitlocker could not be enabled because the bitlocker startup key or recovery kpassword cannot be found on the USB device.... C: was not encrypted. Why am I asked to insert a USB?? I simply want to encrypt the hard drive and save the recovery information to a file automatically. Is that too much to ask? Help please!

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  • How to export User cert with private key in PKCS12 format

    - by andreas-h
    I'm running Win2008R2, and have installed an Enterprise CA. I can create user certs, but no matter what I do, I cannot export the private key. I'm using the un-touched User certificate template, and the "allow export of private key" option is selected. Still, whenever I go to the "export" dialogue of the certificate (both as user and as administrator), I don't get asked if I want to export the private key, and the option to select PKCS12 format is grayed out. Any help is greatly appreciated!

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  • Does OEM partition stores Windows 7 serial key ?

    - by Mahesha999
    Does OEM partition stores the serial key which is grabbed by the Win 7 setup done from the disk provided with laptop. I realized that when you install clean system from Windows 7 disk you get with laptop, it grabs the serial key or it doesn't ask one. So from where it gets that serial key. Is it the OEM partition or anything else? Or the recovery partition stores the key? What all the things these two partitions do store in them?

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  • Getting the EFS Private Key out of system image

    - by thaimin
    I had to recently re-install Windows 7 and I lost my exported private key for EFS. I however have the entirety of my user directory and my figuring that the key must be in there SOMEWHERE. The only question is how to get it out. I did find the PUBLIC keys in AppData\Roaming\Microsoft\SystemCertificates\My\Certificates If I import them using certmg.msc it says I do have the private key in the information, but if I try export them it says I do not have the private key. Also, decryption of files doesn't work. There is also a "keys" folder at AppData\Roaming\Microsoft\SystemCertificates\My\Keys. After importing the certificates I copy those over into my new installation but it has no effect. I am starting to believe they are either in AppData\Roaming\Microsoft\Protect\S-1-5-21-...\ or AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-...\ but I am unsure how to use the files in those folders. Also, since my SID has changed, will I be able to use them? The other parts of the account have remained the same (name and password). I also have complete access to the user registry hive and most of the old system files (including the old system registry hives). I do keep seeing references to "Key Recovery Agent" but have not found anything about using, just that it can be used. Thanks!

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  • gitosis public key

    - by mbursill
    On my client I am attempting to run: git clone gitosis@DevServer:gitosis-admin.git I get a warning: The authenticity of host '10.1.1.13 (10.1.1.13)' can't be established. RSA key fingerprint is a2:c3:fd:d7:f7:75:df:dd:49:64:ce:64:cc:98:e6:2c. Are you sure you want to continue connecting (yes/no)? It appears to be picking up the public key from: /etc/ssh/ssh_host_rsa_key.pub I want it to use the key located in: /srv/gitosis/.ssh/authorized_keys How do I get my server to hand out the correct public key?

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  • Windows boot iso file without press any key

    - by gln
    I'm trying to make an iso file which will boot without any key-press from the user. In Windows iso files, when booting from a cd, there is a message "press any key to boot from cd" which will wait for 5-10 seconds and then, if there is no key-press, it will boot from HD. I searched the web for how to remove this message, and do not press any key and all the answers were "delete bootfix.bin" from the iso. I edited the iso (I've tried several iso files) to remove the bootfix.bin, but now the iso is not correct. Do you have any suggestions?

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  • Can't grab foreign key during after_create callback because it doesn't exist yet!

    - by Randy
    I have some models all linked together in memory (parent:child:child:child) and saved at the same time by saving the top-most parent. This works fine. I'd like to tap into the after_create callback of one of the children to populate a changelog table. One of the attributes I need to copy/push into the changelog table is the child's foreign_key to it's direct parent, but it doesn't exist at the time after_create fires!?! Without the after_create callback, I can look in the log and see that the child is being saved before it's parent (foreign key blank) then the parent is inserted... then the child is updated with the id from the parent. The child's after_create is firing at the right time, but it happens before Rails has had a chance to update the child with the foreign_key. Is there any way to force Rails to save such a linkage of models in a certain order? ie.parent, then child (parent foreign_key exists), then that child's child (again, foreign_key is accessible) etc. ?? If not, how would I have my routine fire after a record is created AND get the foreign_key? Seems a callback like this would be helpful: after_create_with_foreign_keys

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  • Create Custom Windows Key Keyboard Shortcuts in Windows

    - by Asian Angel
    Nearly everyone uses keyboard shortcuts of some sort on their Windows system but what if you could create new ones for your favorite apps or folders? You might just be amazed at how simple it can be with just a few clicks and no programming using WinKey. WinKey in Action During the installation process you will see this window that gives you a good basic idea of just what can be accomplished with this wonderful little app. As soon as the installation process has finished you will see the “Main App Window”. It provides a simple straightforward listing of all the keyboard shortcuts that it is currently managing. Note: WinKey will automatically add an entry to the “Startup Listing” in your “Start Menu” during installation. To see the regular built-in Windows keyboard shortcuts that it is managing click “Standard Shortcuts” to select it and then click on “Properties”. For those who are curious WinKey does have a “System Tray Icon” that can be disabled if desired. Now onto creating those new keyboard shortcuts… For our example we decided to create a keyboard shortcut for an app rather than a folder. To create a shortcut for an app click on the small “Paper Icon” as shown here. Once you have done that browse to the appropriate folder and select the exe file. The second step will be choosing which keyboard shortcut you would like to associate with that particular app. You can use the drop-down list to choose from a listing of available keyboard combinations. For our example we chose “Windows Key + A”. The final step is choosing the “Run Mode”. There are three options available in the drop-down list…choose the one that best suits your needs. Here is what our example looked like once finished. All that is left to do at this point is click “OK” to finish the process. And just like that your new keyboard shortcut is now listed in the “Main App Window”. Time to try out your new keyboard shortcut! One quick use of our new keyboard shortcut and Iron Browser opened right up. WinKey really does make creating new keyboard shortcuts as simple as possible. Conclusion If you have been wanting to create new keyboard shortcuts for your favorite apps and folders then it really does not get any simpler than with WinKey. This is definitely a recommended app for anyone who loves “get it done” software. Links Download WinKey at Softpedia Similar Articles Productive Geek Tips Show Keyboard Shortcut Access Keys in Windows VistaCreate a Keyboard Shortcut to Access Hidden Desktop Icons and FilesKeyboard Ninja: 21 Keyboard Shortcut ArticlesAnother Desktop Cube for Windows XP/VistaHow-To Geek on Lifehacker: Control Your Computer with Shortcuts & Speed Up Vista Setup TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Recycle ! Find That Elusive Icon with FindIcons Looking for Good Windows Media Player 12 Plug-ins? Find Out the Celebrity You Resemble With FaceDouble Whoa ! Use Printflush to Solve Printing Problems

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  • 4 Key Ingredients for the Cloud

    - by Kellsey Ruppel
    It's a short week here with the US Thanksgiving Holiday. So, before we put on our stretch pants and get ready to belly up to the dinner table for turkey, stuffing and mashed potatoes, let's spend a little time this week talking about the Cloud (kind of like the feathery whipped goodness that tops the infamous Thanksgiving pumpkin pie!) But before we dive into the Cloud, let's do a side by side comparison of the key ingredients for each. Cloud Whipped Cream  Application Integration  1 cup heavy cream  Security  1/4 cup sugar  Virtual I/O  1 teaspoon vanilla  Storage  Chilled Bowl It’s no secret that millions of people are connected to the Internet. And it also probably doesn’t come as a surprise that a lot of those people are connected on social networking sites.  Social networks have become an excellent platform for sharing and communication that reflects real world relationships and they play a major part in the everyday lives of many people. Facebook, Twitter, Pinterest, LinkedIn, Google+ and hundreds of others have transformed the way we interact and communicate with one another.Social networks are becoming more than just an online gathering of friends. They are becoming a destination for ideation, e-commerce, and marketing. But it doesn’t just stop there. Some organizations are utilizing social networks internally, integrated with their business applications and processes and the possibility of social media and cloud integration is compelling. Forrester alone estimates enterprise cloud computing to grow to over $240 billion by 2020. It’s hard to find any current IT project today that is NOT considering cloud-based deployments. Security and quality of service concerns are no longer at the forefront; rather, it’s about focusing on the right mix of capabilities for the business. Cloud vs. On-Premise? Policies & governance models? Social in the cloud? Cloud’s increasing sophistication, security in applications, mobility, transaction processing and social capabilities make it an attractive way to manage information. And Oracle offers all of this through the Oracle Cloud and Oracle Social Network. Oracle Social Network is a secure private network that provides a broad range of social tools designed to capture and preserve information flowing between people, enterprise applications, and business processes. By connecting you with your most critical applications, Oracle Social Network provides contextual, real-time communication within and across enterprises. With Oracle Social Network, you and your teams have the tools you need to collaborate quickly and efficiently, while leveraging the organization’s collective expertise to make informed decisions and drive business forward. Oracle Social Network is available as part of a portfolio of application and platform services within the Oracle Cloud. Oracle Cloud offers self-service business applications delivered on an integrated development and deployment platform with tools to rapidly extend and create new services. Oracle Social Network is pre-integrated with the Fusion CRM Cloud Service and the Fusion HCM Cloud Service within the Oracle Cloud. If you are looking for something to watch as you veg on the couch in a post-turkey dinner hangover, you might consider watching these how-to videos! And yes, it is perfectly ok to have that 2nd piece of pie

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  • How to know when a user has really released a key in Java?

    - by Luis Soeiro
    (Edited for clarity) I want to detect when a user presses and releases a key in Java Swing, ignoring the keyboard auto repeat feature. I also would like a pure Java approach the works on Linux, Mac OS and Windows. Requirements: When the user presses some key I want to know what key is that; When the user releases some key, I want to know what key is that; I want to ignore the system auto repeat options: I want to receive just one keypress event for each key press and just one key release event for each key release; If possible, I would use items 1 to 3 to know if the user is holding more than one key at a time (i.e, she hits 'a' and without releasing it, she hits "Enter"). The problem I'm facing in Java is that under Linux, when the user holds some key, there are many keyPress and keyRelease events being fired (because of the keyboard repeat feature). I've tried some approaches with no success: Get the last time a key event occurred - in Linux, they seem to be zero for key repeat, however, in Mac OS they are not; Consider an event only if the current keyCode is different from the last one - this way the user can't hit twice the same key in a row; Here is the basic (non working) part of code: import java.awt.event.KeyListener; public class Example implements KeyListener { public void keyTyped(KeyEvent e) { } public void keyPressed(KeyEvent e) { System.out.println("KeyPressed: "+e.getKeyCode()+", ts="+e.getWhen()); } public void keyReleased(KeyEvent e) { System.out.println("KeyReleased: "+e.getKeyCode()+", ts="+e.getWhen()); } } When a user holds a key (i.e, 'p') the system shows: KeyPressed: 80, ts=1253637271673 KeyReleased: 80, ts=1253637271923 KeyPressed: 80, ts=1253637271923 KeyReleased: 80, ts=1253637271956 KeyPressed: 80, ts=1253637271956 KeyReleased: 80, ts=1253637271990 KeyPressed: 80, ts=1253637271990 KeyReleased: 80, ts=1253637272023 KeyPressed: 80, ts=1253637272023 ... At least under Linux, the JVM keeps resending all the key events when a key is being hold. To make things more difficult, on my system (Kubuntu 9.04 Core 2 Duo) the timestamps keep changing. The JVM sends a key new release and new key press with the same timestamp. This makes it hard to know when a key is really released. Any ideas? Thanks

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  • Key Windows Phone Development Concepts

    - by Tim Murphy
    As I am doing more development in and out of the enterprise arena for Windows Phone I decide I would study for the 70-599 test.  I generally take certification tests as a way to force me to dig deeper into a technology.  Between the development and studying I decided it would be good to put a post together of key development features in Windows Phone 7 environment.  Contrary to popular belief the launch of Windows Phone 8 will not obsolete Windows Phone 7 development.  With the launch of 7.8 coming shortly and people who will remain on 7.X for the foreseeable future there are still consumers needing these apps so don’t throw out the baby with the bath water. PhoneApplicationService This is a class that every Windows Phone developer needs to become familiar with.  When it comes to application state this is your go to repository.  It also contains events that help with management of your application’s lifecycle.  You can access it like the following code sample. 1: PhoneApplicationService.Current.State["ValidUser"] = userResult; DeviceNetworkInformation This class allows you to determine the connectivity of the device and be notified when something changes with that connectivity.  If you are making web service calls you will want to check here before firing off. I have found that this class doesn’t actually work very well for determining if you have internet access.  You are better of using the following code where IsConnectedToInternet is an App level property. private void Application_Launching(object sender, LaunchingEventArgs e){ // Validate user access if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType != Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None) { IsConnectedToInternet = true; } else { IsConnectedToInternet = false; } NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged);}void NetworkChange_NetworkAddressChanged(object sender, EventArgs e){ IsConnectedToInternet = (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType != Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None);} Push Notification Push notification allows your application to receive notifications in a way that reduces the application’s power needs. This MSDN article is a good place to get the basics of push notification, but you can see the essential concept in the diagram below.  There are three types of push notification: toast, Tile and raw.  The first two work regardless of the state of the application where as raw messages are discarded if your application is not running.   Live Tiles Live tiles are one of the main differentiators of the Windows Phone platform.  They allow users to find information at a glance from their start screen without navigating into individual apps.  Knowing how to implement them can be a great boost to the attractiveness of your application. The simplest step-by-step explanation for creating live tiles is here. Local Database While your application really only has Isolated Storage as a data store there are some ways of giving you database functionality to develop against.  There are a number of open source ORM style solutions.  Probably the best and most native way I have found is to use LINQ to SQL.  It does take a significant amount of setup, but the ease of use once it is configured is worth the cost.  Rather than repeat the full concepts here I will point you to a post that I wrote previously. Tasks (Bing, Email) Leveraging built in features of the Windows Phone platform is an easy way to add functionality that would be expensive to develop on your own.  The classes that you need to make yourself familiar with are BingMapsDirectionsTask and EmailComposeTask.  This will allow your application to supply directions and give the user an email path to relay information to friends and associates. Event model Because of the ability for users to switch quickly to switch to other apps or the home screen is just one reason why knowing the Windows Phone event model is important.  You need to be able to save data so that if a user gets a phone call they can come back to exactly where they were in your application.  This means that you will need to handle such events as Launching, Activated, Deactivated and Closing at an application level.  You will probably also want to get familiar with the OnNavigatedTo and OnNavigatedFrom events at the page level.  These will give you an opportunity to save data as a user navigates through your app. Summary This is just a small portion of the concepts that you will use while building Windows Phone apps, but these are some of the most critical.  With the launch of Windows Phone 8 this list will probably expand.  Take the time to investigate these topics further and try them out in your apps. del.icio.us Tags: Windows Phone 7,Windows Phone,WP7,Software Development,70-599

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  • Booting problem with 12.04

    - by florent
    i do have a 12.04 ubuntu on my notebook , but i do have a problem with it. I cannot boot , if i dont press anything then there is a black screen , and it does not boot. If i press the space button , or any other key , for mutlitples times , like 20 or 25 times or more then it's boot in seconds , and normally. How can i resolve this? Thanks Ps:I do not have a problem with bios as it's already booting on first for the hard drive

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  • Mostrar Imagenes en ListView utilizando ImageList WinForms

    - by Jason Ulloa
    El día de hoy veremos como trabajar con los controles ListView e Imagelist de WindowsForms para poder leer y mostrar una serie de imágenes. Antes de ello debo decir que pueden existir otras formas de mostrar imagenes que solo requieren un control por ejemplo con un Gridview pero eso será en otro post, ahora nos centraremos en la forma de realizarlo con los controles antes mencionados. Lo primero que haremos será crear un nuevo proyecto de windows forms, en mi caso utilizando C#, luego agregaremos un Control ImageList. Este control será el que utilicemos para almacenar todas las imágenes una vez que las hemos leído. Si revisamos el control, veremos que tenemos la opción de agregar la imágenes mediante el diseñador, es decir podemos seleccionarlas manualmente o bien agregarlas mediante código que será lo que haremos. Lo segundo será agregar un control ListView al Formulario, este será el encargado de mostrar las imagenes, eso sí, por ahora será solo mostrarlas no tendrá otras funcionalidades. Ahora, vamos al codeBehind y en el Evento Load del form empezaremos a codificar: Lo primero será, crear una nueva variable derivando DirectoryInfo, a la cual le indicaremos la ruta de nuestra carpeta de imágenes. En nuestro ejemplo utilizamos Application.StartUpPath para indicarle que vamos a buscar en nuestro mismo proyecto (en carpeta debug por el momento). DirectoryInfo dir = new DirectoryInfo(Application.StartupPath + @"\images");   Una vez que hemos creado la referencia a la ruta, utilizaremos un for para obtener todas la imágenes que se encuentren dentro del Folder que indicamos, para luego agregarlas al imagelist y empezar a crear nuestra nueva colección. foreach (FileInfo file in dir.GetFiles()) { try { this.imageList1.Images.Add(Image.FromFile(file.FullName)); }   catch { Console.WriteLine("No es un archivo de imagen"); } }   Una vez, que hemos llenado nuestro ImageList, entonces asignaremos al ListView sus propiedades, para definir la forma en que las imágenes se mostrarán. Un aspecto a tomar en cuenta acá será la propiedad ImageSize ya que está será la que definirá el tamaño que tendrán las imágenes en el ListView cuando sean mostradas. this.listView1.View = View.LargeIcon;   this.imageList1.ImageSize = new Size(120, 100);   this.listView1.LargeImageList = this.imageList1;   Por último y con ayuda de otro for vamos a recorrer cada uno de los elementos que ahora posee nuestro ImageList y lo agregaremos al ListView para mostrarlo for (int j = 0; j < this.imageList1.Images.Count; j++) { ListViewItem item = new ListViewItem();   item.ImageIndex = j;   this.listView1.Items.Add(item); } Como vemos, a pesar de que utilizamos dos controles distintos es realmente sencillo  mostrar la imagenes en el ListView al final el control ImageList, solo funciona como un “puente” que nos permite leer la imagenes para luego mostrarlas en otro control. Para terminar, los proyectos de ejemplo: C# VB

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