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• How to find keycodes for Fn + keys?

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• HP Color LaserJet 2605dn color alignment issue

  - by robertvt

  We have a HP Color LaserJet 2605dn at work that recently lost its mind. The red and blue colors are offset from where they should be and producing a rather trippy 3D look. I've performed a manual calibration through the menus and poked at just about everything I could find. These toner cartridges are not new (as you can see they're about 50% used) but only just recently started this problem. They were working great up until this error appeared. It happens on mac, pc, and via the printer menu printouts so I don't think it's a driver problem. The printer has been restarted and reset and is running the newest firmware. Anyone have any ideas? Here's a pic http://img16.imageshack.us/img16/9984/photoon20090914at1149.jpg

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• Monitor-Specific Color Profile Results In Yellow Grayscale Images

  - by Zian Choy

  I recently purchased a new Acer S201hl monitor. Many lay reviews compliment its color accuracy with people noting only a bit of a blueish tinge. After a little time, Windows found, and I installed, the Acer drivers via Microsoft Update. During the installation process, the software installed an ICC profile for the monitor from Acer. I recently noticed that when I view photos using Windows Live Photo Gallery, the colors are wrong. For example, grayscale document scans appear with yellow backgrounds instead of white backgrounds. This happens with both my external monitors and my ThinkPad's built-in screen. When I removed the monitor-specific profile from the list of profiles associated with a monitor (for example, removing the Acer profile from the Acer monitor), the problem went away for that screen. I checked with Microsoft KB939395 and though it says "an incorrect color profile [...] is used for the monitor," the profile associated with my ThinkPad's screen seemed to be correct, based on its name.

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• How to find keycodes for Fn + keys in Ubuntu 11.10

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• Adjusting color on one monitor in Nvidia Surround

  - by Chris Stauffer

  I'm currently running three 2560x1440 screens using Nvidia Surround. Two monitors are Yamakasi Catleaps (cheap Korean jobs) and the third is the Achievia Shimian (also Korean). The Catleaps have great color reproduction, however the Shimian is exceptionally blue tinted. With normal monitors the required correction would require minimal effort to accomplish. But these Korean monitors do not have hardware controls to do it. For those who are unfamiliar, Nvidia Surround basically takes all three monitors and makes one big "monitor" out of all of them (Xinerama for GNU/Linux folk), at a resolution of 7680x1440 in my situation. Therefore, adjusting the color profile in the Nvidia control panel changes the settings for ALL of the monitors simultaneously. Thus, I am looking for some software to adjust the Shimian (perhaps by just selecting the pixels that that monitor encompasses). Does anyone know of such a program?

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• Installing Color-Theme with GNU Emacs 23.2 on OS X Snow Leopard

  - by idclark

  Hi all, I've just started using emacs a week ago and I've been unsuccessful in installing color-theme using GNU Emacs 23.2 on OS X. With Ubuntu the whole process took maybe a few minutes with the package manager, but I'm completely at a loss with OS X, what the heck is a "tarball"? I don't have any experience compiling source code. I know Carbon Emacs comes with color-theme packaged, what would i lose by reverting to Emacs 22? I'd prefer staying with GNU Emacs 23 across both systems. Any input is greatly appreciated!!

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• How to enable key forwarding with ssh-agent?

  - by Lamnk

  I've used the ssh-agent from oh-my-zsh to manage my SSH key. So far, so good, i only have to type the passphrase for my private key once when I start my shell and public key authentication works great. The problem is however that key forwarding doesn't work. There are 2 servers A & B which I can use public key to login. When I ssh into A then from there ssh into B, I must provide my password, which should not be the case. A is a CentOS 5.6 box, B is an Ubuntu 11.04 box. I have this on my local .ssh/config: Host * ForwardAgent yes OpenSSH on A is standard openssh 4.3 package provided by CentOS. I also enable ForwardAgent for ssh client on A, but forwarding still doesn't work.

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• Importing GPG Key

  - by Bodo

  I have problems importing my GPG-Keys into my new installation of debian. I exportet the private-key a few years ago. Now I am trying to get everything running under a new debian. I tried to do gpg --allow-secret-key-import --import private-key.asc But I only get this: gpg: Keine gültigen OpenPGP-Daten gefunden. gpg: Anzahl insgesamt bearbeiteter Schlüssel: 0 which translates to: gpg: No valid OpenPGP-Data found gpg: Number of processed Keys : 0 The file looks correct and starts with --BEGIN PGP PRIVATE KEY BLOCK----- Version: GnuPG v1.4.9 (GNU/Linux) and ends with -----END PGP PRIVATE KEY BLOCK----- what could be wrong?

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• Problem adding public key for apt

  - by highBandWidth

  I was trying to get the official mongodb for Ubuntu, following the instructions at http://www.mongodb.org/display/DOCS/Ubuntu+and+Debian+packages After adding the deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen line in my sources, I need to add the pgp key since synaptic says W: GPG error: http://downloads-distro.mongodb.org dist Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9ECBEC467F0CEB10 Again following instructions, I did sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10 this says Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv 7F0CEB10 gpg: requesting key 7F0CEB10 from hkp server keyserver.ubuntu.com ?: keyserver.ubuntu.com: Connection refused gpgkeys: HTTP fetch error 7: couldn't connect: Connection refused gpg: no valid OpenPGP data found. gpg: Total number processed: 0 Interestingly, I also get $ apt-key list gpg: fatal: /home/myname/.gnupg: directory does not exist! secmem usage: 0/0 bytes in 0/0 blocks of pool 0/32768 How can I get apt to use this source?

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• public key always asking for password and keyphrase

  - by Andrew Atkinson

  I am trying to SSH from a NAS to a webserver using a public key. NAS user is 'root' and webserver user is 'backup' I have all permissions set correctly and when I debug the SSH connection I get: (last little bit of the debug) debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Next authentication method: publickey debug1: Offering DSA public key: /root/.ssh/id_dsa.pub debug1: Server accepts key: pkalg ssh-dss blen 433 debug1: key_parse_private_pem: PEM_read_PrivateKey failed debug1: read PEM private key done: type <unknown> Enter passphrase for key '/root/.ssh/id_dsa.pub': I am using the command: ssh -v -i /root/.ssh/id_dsa.pub [email protected] The fact that it is asking for a passphrase is a good sign surely, but I do not want it to prompt for this or a password (which comes afterwards if I press 'return' on the passphrase)

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• Create private key with CSR

  - by Daniel Schlieckmann

  I have a CSR file (as a text file) and the corresponding P7B certificate. My problem is that I have to create a P12 file on a machine where I do not have created the CSR. I have created the CSR in Firefox Key Manager. Before, I imported the P7B file into certificate store in msc, then exported a CER-file, imported it in Key Manager and then exported the P12 file. This doesn't work anymore because I have another machine now. If I try to import the CER file created by msc, Key Manager says that there is no private key. Is there a possibility to create a private key?

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• Windows 8.1 won't accept my Media Center Pack Product Key

  - by Daniel

  I just installed Windows 8.1 Pro as an upgrade from an ISO torrent. I was able to activate my original Windows 8 key successfully. However, I tried to activate my Media Center Pack key that I purchased for Windows 8 and it errors out the first try. When I try to activate it again, it then says "This key won't work. Check it and try again, or try a different key.". Do I have to purchase the key again? Thanks

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• jQuery color change or CSS?

  - by Josh

  I've tried achieving a hover/selected color change for a particular field, but I'm thinking jQuery is the answer. I've looked into some button click tutorials, but maybe I'm not just seeing it or doing it correctly. The idea here is that when a user hovers over a Headline, the background color changes, when they click the headline to expand it, the background color remains constant (selected), however as it stands right now the background color of the expanded fields do not change. Here is the demo: http://www.notedls.com/demo

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• Force Quit - Short cut key on regular key - mac osx

  - by sagar

  Very confusing question here. I want to use the short cut key of force quit - in mac os x. It is written as follows. Command + Alt / Option + Reverse Q ( like key ). I am unable to use this short cut key. Any help please. Sagar

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• Windows product key is valid but wont activate

  - by pnongrata

  Last month, I needed to install Windows XP (Pro Version 2002 SP3) from a Reinstallation CD a co-worker gave me, and with a product key the IT team told me to use. Everything installed successfully and I have been using the XP machine for the last 30 days without any problems; however it kept reminding me to activate Windows, and of course, I never did (laziness). It now has me locked out of my machine and won't let me log in until I activate it. So I proceed to the Activation Screen which asks me: Do you want to activate Windows now? I choose "Yes, let's activate Windows over the Internet now.", and click the Next button. It now asks me: Do you want to register while you are activating Windows? I choose "No, I don't want to register now; let's just activate Windows.", and click the Next button. I now see the following screen: Notice how the title reads "Unauthorized product key", and how there are only 3 buttons: Telephone Remind me later Retry Please note that the Retry button is disabled until I enter the full product key that IT gave me, then it enables. However, at no point in time do I see a Next button, indicating that the product key was valid/successful. So instead, I just click the Retry button, and the screen refreshes, this time with a different title Incorrect product key Could something be wrong with the Windows XP reinstallation CD (do they "expire" after a certain amount of time, etc.)? Or is this the normal/typical workflow for what happens when you just have a bad product key? I ask because, after this happened I emailed IT and they supplied me whether several other product keys to try. But every time its the same result, same thing happening over again and again. So I guess it's possible that IT has given me several bad keys, but it's more likely something else is going on here. Any thoughts or ways to troubleshoot? Thanks in advance!

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• SSH does not allow the use of a key with group readable permissions

  - by scjr

  I have a development git server that deploys to a live server when the live branch is pushed to. Every user has their own login and therefore the post-receive hook which does the live deployment is run under their own user. Because I don't want to have to maintain the users public keys as authorized keys on the remote live server I have made up a set of keys that 'belong's to the git system to add to remote live servers (In the post-receive hook I am using $GIT_SSH to set the private key with the -i option). My problem is that because of all the users might want to deploy to live, the git system's private key has to be at least group readable and SSH really doesn't like this. Here's a sample of the error: XXXX@XXXX /srv/git/identity % ssh -i id_rsa XXXXX@XXXXX @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0640 for 'id_rsa' are too open. It is required that your private key files are NOT accessible by others. This private key will be ignored. bad permissions: ignore key: id_rsa I've looked around expecting to find something in the way of forcing ssh to just go through with the connection but I've found nothing but people blindly saying that you just shouldn't allow access to anything but a single user.

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• Hit one key to hold a second key down, until third is pressed

  - by Core Xii

  I'm trying to get the following behavior with AutoHotKey: When the A key is pressed, AHK holds down the S key until the D key is pressed. The following script isn't working as expected: a:: Send {s Down} return d:: if (GetKeyState("s", "P")) { Send {s Up} } return Neither is the following: a:: release_s = 0 Loop { SendInput, s if release_s break } return d:: release_s = 1 return

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• UISegmentedControl selected segment color

  - by Mike

  Is there any way to customize color of selected segment in UISegmentedControl? I've found segmentedController.tintColor property, which lets me customize color of the whole segmented control. The problem is, when I select bright color for tintColor property, selected segment becomes almost unrecognizable (its color is almost the same as the rest of segmented control, so its hard to distinguish selected and unselected segments). So I cannot use any good bright colors for segmented control. The solution would be some separate property for selected segment color but I cannot find it. Did anyone solve this?

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• Numeric Data Entry in WPF

  - by Matt Hamilton

  How are you handling the entry of numeric values in WPF applications? Without a NumericUpDown control, I've been using a TextBox and handling its PreviewKeyDown event with the code below, but it's pretty ugly. Has anyone found a more graceful way to get numeric data from the user without relying on a third-party control?private void NumericEditPreviewKeyDown(object sender, KeyEventArgs e) { bool isNumPadNumeric = (e.Key >= Key.NumPad0 && e.Key <= Key.NumPad9) || e.Key == Key.Decimal; bool isNumeric = (e.Key >= Key.D0 && e.Key <= Key.D9) || e.Key == Key.OemPeriod; if ((isNumeric || isNumPadNumeric) && Keyboard.Modifiers != ModifierKeys.None) { e.Handled = true; return; } bool isControl = ((Keyboard.Modifiers != ModifierKeys.None && Keyboard.Modifiers != ModifierKeys.Shift) || e.Key == Key.Back || e.Key == Key.Delete || e.Key == Key.Insert || e.Key == Key.Down || e.Key == Key.Left || e.Key == Key.Right || e.Key == Key.Up || e.Key == Key.Tab || e.Key == Key.PageDown || e.Key == Key.PageUp || e.Key == Key.Enter || e.Key == Key.Return || e.Key == Key.Escape || e.Key == Key.Home || e.Key == Key.End); e.Handled = !isControl && !isNumeric && !isNumPadNumeric; }

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• CSS "color" vs. "font-color"

  - by Fred Wilson

  Anyone know why CSS provides "color:" for text, but does not have "font-color:" or "text-color:"? Seems very counter-intuitive.. kind of like "text-decoration: bold" rather than "font-style: ". I must be new here. :o) Seriously, does anyone know why/how the w3c came up with such a wide array of CSS names like this?

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• Foreign key,local key?

  - by user198729

  CREATE TABLE products ( id integer unsigned auto_increment primary key ) ENGINE=INNODB; CREATE TABLE orders ( id integer PRIMARY KEY auto_increment, product_id integer unsigned, quantity integer, INDEX product_id_idx (product_id), FOREIGN KEY (product_id) REFERENCES products (id) ) ENGINE=INNODB; Here the products and orders obviously have some kind of relation--foreign key relation. Also a coin has two sides,so I'm doubting how do we say which table is the foreign key side or local key side?

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• NULL-keys for key/value table

  - by user72185

  (Using Oracle) I have a table with key/value pairs like this: create table MESSAGE_INDEX ( KEY VARCHAR2(256) not null, VALUE VARCHAR2(4000) not null, MESSAGE_ID NUMBER not null ) I now want to find all the messages where key = 'someKey' and value is 'val1', 'val2' or 'val3' - OR value is null in which case there will be no entry in the table at all. This is to save space; there would be a large number of keys with null values if I stored them all. I think this works: SELECT message_id FROM message_index idx WHERE ((key = 'someKey' AND value IN ('val1', 'val2', 'val3')) OR NOT EXISTS (SELECT 1 FROM message_index WHERE key = 'someKey' AND idx.message_id = message_id)) But is is extremely slow. Takes 8 seconds with 700K records in message_index and there will be many more records and more search criteria when moving outside of my test environment. Primary key is key, value, message_id: add constraint PK_KEY_VALUE primary key (KEY, VALUE, MESSAGE_ID) And I added another index for message_id, to speed up searching for missing keys: create index IDX_MESSAGE_ID on MESSAGE_INDEX (MESSAGE_ID) I will be doing several of these key/value lookups in every search, not just one as shown above. So far I am doing them nested, where output id's of one level is the input to the next. E.g.: SELECT message_id from message_index WHERE (key/value compare) AND message_id IN ( SELECT ... and so on ) What can I do to speed this up?

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• foreign key constraints on primary key columns - issues ?

  - by zzzeek

  What are the pros/cons from a performance/indexing/data management perspective of creating a one-to-one relationship between tables using the primary key on the child as foreign key, versus a pure surrogate primary key on the child? The first approach seems to reduce redundancy and nicely constrains the one-to-one implicitly, while the second approach seems to be favored by DBAs, even though it creates a second index: create table parent ( id integer primary key, data varchar(50) ) create table child ( id integer primary key references parent(id), data varchar(50) ) pure surrogate key: create table parent ( id integer primary key, data varchar(50) ) create table child ( id integer primary key, parent_id integer unique references parent(id), data varchar(50) ) the platforms of interest here are Postgresql, Microsoft SQL Server.

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• Latex font color

  - by Pieter

  I'm trying to typeset a document I'm working on. Currently I'm trying to format a piece of text such that the text consists of two colors: a fill color and a line color. In this way the header should pop out more. I found \psset with options such as linecolor and fillcolor, but I can't get it to work. Can someone provide an example of how I could do this? Just providing a color using the color-package is no problem, but also not what I want because using this package I can only provide a single color for a piece of text.

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• Java - Set Color by switch case function

  - by user369150

  I want to set the color of the TextView by the function getcolorss. I tried a lot of different ways but i cant get in it. Please help me i think the solution is easy. import java.awt.*; import android.graphics.Color; public class test extends Activity { TextView text1 = (TextView) findViewById(R.id.text1); text1.setTextColor(getcolorss(1)); public Color getcolorss(int x) { switch(x) { case 1: return Color.BLUE; case 2: return Color.RED; } } }

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