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• Activity Indicator not displaying based on whether the UIWebView is loading or not...

  - by Jack W-H

  Hi folks Sorry if this is an easy one. Basically, here is my code: MainViewController.h: // // MainViewController.h // Site // // Created by Jack Webb-Heller on 19/03/2010. // Copyright __MyCompanyName__ 2010. All rights reserved. // #import "FlipsideViewController.h" @interface MainViewController : UIViewController <UIWebViewDelegate, FlipsideViewControllerDelegate> { IBOutlet UIWebView *webView; IBOutlet UIActivityIndicatorView *spinner; } - (IBAction)showInfo; @property(nonatomic,retain) UIWebView *webView; @property(nonatomic,retain) UIActivityIndicatorView *spinner; @end MainViewController.m: // // MainViewController.m // Site // // Created by Jack Webb-Heller on 19/03/2010. // Copyright __MyCompanyName__ 2010. All rights reserved. // #import "MainViewController.h" #import "MainView.h" @implementation MainViewController @synthesize webView; @synthesize spinner; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) { // Custom initialization } return self; } // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { NSURL *siteURL; NSString *siteURLString; siteURLString=[[NSString alloc] initWithString:@"http://www.site.com"]; siteURL=[[NSURL alloc] initWithString:siteURLString]; [webView loadRequest:[NSURLRequest requestWithURL:siteURL]]; [siteURL release]; [siteURLString release]; [super viewDidLoad]; } - (void)flipsideViewControllerDidFinish:(FlipsideViewController *)controller { [self dismissModalViewControllerAnimated:YES]; } - (void)webViewDidFinishLoad:(UIWebView *)webView { [spinner stopAnimating]; spinner.hidden=FALSE; NSLog(@"viewDidFinishLoad went through nicely"); } - (void)webViewDidStartLoad:(UIWebView *)webView { [spinner startAnimating]; spinner.hidden=FALSE; NSLog(@"viewDidStartLoad seems to be working"); } - (IBAction)showInfo { FlipsideViewController *controller = [[FlipsideViewController alloc] initWithNibName:@"FlipsideView" bundle:nil]; controller.delegate = self; controller.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:controller animated:YES]; [controller release]; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } - (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [spinner release]; [webView release]; [super dealloc]; } @end Unfortunately nothing is ever written to my log, and for some reason the Activity Indicator never seems to appear. What's going wrong here? Thanks folks Jack

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• Rewriting code under BSD license

  - by Frank

  I am currently studding OpengGL with OpenGL Supebible 5th edition. I've found interested for me some C++ code that is distributed with the book (see also on google code). That code is under New BSD License. I am writing my software on C# with SharpGL wrapper and I'd like to know following things: Can I rewrite that C++ to C#? edid: I'am interesting in using such things like GLBatch, GLShaderManager and some other thing from GLTools. Problem is that library is on C++, but I use C#. How do I have to mark my source code if I put it somewhere like to my github account? What disclaimer should be? Original disclaimer looks like: /* GLShaderManager.h Copyright (c) 2009, Richard S. Wright Jr. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of Richard S. Wright Jr. nor the names of other contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ Edit: Should my copyright looks like after rewriting something like that? Copyright (c) 2014, My Name Copyright (c) 2009, Richard S. Wright Jr. All rights reserved. Redistribution...................

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• Domain Transfer Protection - need advice

  - by Jack

  Hey, I am about to purchase a domain name for a bit of money. I do not personally know the person who I am purchasing the domain name from, we have only chatted via email. The proposed process for the transfer is: The owner of the domain lowest the domain name security and emails me the domain password, I request the transfer After the request, I transfer the money via PayPal When the money has been cleared the current domain name owner confirms the transfer via the link that he receives in that email I wait for it to be transferred. The domain is currently registered with DirectNIC - http://www.directnic.com/ Is this the best practice? Seeing I am paying a bit of money for this domain name, I am worried that after the money has been cleared that I won't see the domain name or hear from the current domain name owner again. Is there a 'domain governing body' which I can report to if this is the case? Is the proposed transfer process the best solution? Any advice would be awesome. Thanks! Jack

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• PHP: Displaying Dom object and Creating xml file

  - by pavun_cool

  <?php $books = array(); $books [] = array( 'title' => 'PHP Hacks', 'author' => 'Jack Herrington', 'publisher' => "O'Reilly" ); $books [] = array( 'title' => 'Podcasting Hacks', 'author' => 'Jack Herrington', 'publisher' => "O'Reilly" ); $doc = new DOMDocument(); $doc->formatOutput = true; $r = $doc->createElement( "books" ); $doc->appendChild( $r ); foreach( $books as $book ) { $b = $doc->createElement( "book" ); $author = $doc->createElement( "author" ); $author->appendChild( $doc->createTextNode( $book['author'] ) ); #$author->appendChild( $doc->createTextNode( 'pavunkumar')); $new = $doc->createElement("Developer"); $a=$doc->createTextNode('I am developer ' ); $new->appendChild($a); $b->appendChild( $author ); $b->appendChild($new); $b->appendChild($new); $title = $doc->createElement( "title" ); $title->appendChild( $doc->createTextNode( $book['title'] ) ); $b->appendChild( $title ); $publisher = $doc->createElement( "publisher" ); $publisher->appendChild( $doc->createTextNode( $book['publisher'] ) ); $b->appendChild( $publisher ); $r->appendChild( $b ); } echo $doc->SaveXml() ; ?> When I run this code in command line. I am getting following things <?xml version="1.0"?> <books> <book> <author>Jack Herrington</author> <Developer>I am developer </Developer> <title>PHP Hacks</title> <publisher>O'Reilly</publisher> </book> <book> <author>Jack Herrington</author> <Developer>I am developer </Developer> <title>Podcasting Hacks</title> <publisher>O'Reilly</publisher> </book> </books> When I run the code in web browser it gives me following things Jack Herrington I am developer O'Reilly Jack Herrington I am developer O'Reilly I want to above output to be like command line output. And one more things is that instead of displaying , how could I create a xml file using $doc Dom object.

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• copy rows before updating them to preserve archive in Postgres

  - by punkish

  I am experimenting with creating a table that keeps a version of every row. The idea is to be able to query for how the rows were at any point in time even if the query has JOINs. Consider a system where the primary resource is books, that is, books are queried for, and author info comes along for the ride CREATE TABLE authors ( author_id INTEGER NOT NULL, version INTEGER NOT NULL CHECK (version > 0), author_name TEXT, is_active BOOLEAN DEFAULT '1', modified_on TIMESTAMP DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (author_id, version) ) INSERT INTO authors (author_id, version, author_name) VALUES (1, 1, 'John'), (2, 1, 'Jack'), (3, 1, 'Ernest'); I would like to be able to update the above like so UPDATE authors SET author_name = 'Jack K' WHERE author_id = 1; and end up with 2, 1, Jack, t, 2012-03-29 21:35:00 2, 2, Jack K, t, 2012-03-29 21:37:40 which I can then query with SELECT author_name, modified_on FROM authors WHERE author_id = 2 AND modified_on < '2012-03-29 21:37:00' ORDER BY version DESC LIMIT 1; to get 2, 1, Jack, t, 2012-03-29 21:35:00 Something like the following doesn't really work CREATE OR REPLACE FUNCTION archive_authors() RETURNS TRIGGER AS $archive_author$ BEGIN IF (TG_OP = 'UPDATE') THEN -- The following fails because author_id,version PK already exists INSERT INTO authors (author_id, version, author_name) VALUES (OLD.author_id, OLD.version, OLD.author_name); UPDATE authors SET version = OLD.version + 1 WHERE author_id = OLD.author_id AND version = OLD.version; RETURN NEW; END IF; RETURN NULL; -- result is ignored since this is an AFTER trigger END; $archive_author$ LANGUAGE plpgsql; CREATE TRIGGER archive_author AFTER UPDATE OR DELETE ON authors FOR EACH ROW EXECUTE PROCEDURE archive_authors(); How can I achieve the above? Or, is there a better way to accomplish this? Ideally, I would prefer to not create a shadow table to store the archived rows.

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• Upgrade from Etch to Lenny, server no longer reboots

  - by Jack

  Hi, I just upgraded my (remote) webserver to Lenny from Etch. and no real issue occurs except that I cannot reboot that server. (I can only start in a rescue mode) I recall that a MBR change performed and I am wondering if that could be the reason for this failure. Would someone know how I can revert this MBR change ? I had switched back to my previous linux kernel, still cannot reboot. I would appreciate your help. thanks Jack

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• Service monitoring service, which I can ping instead of getting pinged

  - by Jack Juiceson

  I'm looking for a service, which can send me an alert if my program didn't ping(some http request) in X minutes. Pretty much like any service monitoring, but instead of service pinging my server I want, my program to ping the monitor service. This is because our program, can't get incoming connections, yet we need to monitor it's alive. And easiest for us will be to have a service we can ping. Thank you, - Jack

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• Static background noise while using new headset Ubuntu 13.04

  - by ThundLayr

  Today I bought a new gaming headset (Gx-Gaming Lychas), and when I tried to record some gameplay-comentary I noticed that there always is a static background noise, I just recorded an example so you guys can listen it (no downloaded needed): http://www47.zippyshare.com/v/65167832/file.html I'm using Kubuntu 13.04 and Kernel version is 3.8.0-19, my laptop is an Acer Travelmate 5760Z, I tried tons of configurations on Alsamixer and none of them made result, I really need to get this working so any kind of help will be very aprecciated. cat /proc/asound/cards: 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xc6400000 irq 44 cat /proc/asound/card0/codec#0 Codec: Conexant CX20588 Address: 0 AFG Function Id: 0x1 (unsol 1) Vendor Id: 0x14f1506c Subsystem Id: 0x10250574 Revision Id: 0x100003 No Modem Function Group found Default PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x1]: PCM Default Amp-In caps: N/A Default Amp-Out caps: N/A State of AFG node 0x01: Power states: D0 D1 D2 D3 D3cold CLKSTOP EPSS Power: setting=D0, actual=D0 GPIO: io=4, o=0, i=0, unsolicited=1, wake=0 IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0 IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0 IO[2]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0 IO[3]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0 Node 0x10 [Audio Output] wcaps 0xc1d: Stereo Amp-Out R/L Control: name="Headphone Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Headphone Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Device: name="CX20588 Analog", type="Audio", device=0 Amp-Out caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=1 Amp-Out vals: [0x4a 0x4a] Converter: stream=8, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x11 [Audio Output] wcaps 0xc1d: Stereo Amp-Out R/L Control: name="Speaker Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Speaker Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=1 Amp-Out vals: [0x80 0x80] Converter: stream=8, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x12 [Audio Output] wcaps 0x611: Stereo Digital Converter: stream=0, channel=0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x13 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out Control: name="Beep Playback Volume", index=0, device=0 ControlAmp: chs=1, dir=Out, idx=0, ofs=0 Control: name="Beep Playback Switch", index=0, device=0 ControlAmp: chs=1, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x07, nsteps=0x07, stepsize=0x0f, mute=0 Amp-Out vals: [0x00] Node 0x14 [Audio Input] wcaps 0x100d1b: Stereo Amp-In R/L Control: name="Capture Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Capture Switch", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Device: name="CX20588 Analog", type="Audio", device=0 Amp-In caps: ofs=0x4a, nsteps=0x50, stepsize=0x03, mute=1 Amp-In vals: [0x50 0x50] [0x80 0x80] [0x80 0x80] [0x80 0x80] Converter: stream=4, channel=0 SDI-Select: 0 PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 4 0x17* 0x18 0x23 0x24 Node 0x15 [Audio Input] wcaps 0x100d1b: Stereo Amp-In R/L Amp-In caps: ofs=0x4a, nsteps=0x50, stepsize=0x03, mute=1 Amp-In vals: [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a] Converter: stream=0, channel=0 SDI-Select: 0 PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 4 0x17* 0x18 0x23 0x24 Node 0x16 [Audio Input] wcaps 0x100d1b: Stereo Amp-In R/L Amp-In caps: ofs=0x4a, nsteps=0x50, stepsize=0x03, mute=1 Amp-In vals: [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a] Converter: stream=0, channel=0 SDI-Select: 0 PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 4 0x17* 0x18 0x23 0x24 Node 0x17 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Control: name="Mic Boost Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0 Amp-Out vals: [0x04 0x04] Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 4 0x1a 0x1b* 0x1d 0x1e Node 0x18 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0 Amp-Out vals: [0x00 0x00] Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 4 0x1a* 0x1b 0x1d 0x1e Node 0x19 [Pin Complex] wcaps 0x400581: Stereo Control: name="Headphone Jack", index=0, device=0 Pincap 0x0000001c: OUT HP Detect Pin Default 0x04214040: [Jack] HP Out at Ext Right Conn = 1/8, Color = Green DefAssociation = 0x4, Sequence = 0x0 Pin-ctls: 0xc0: OUT HP Unsolicited: tag=01, enabled=1 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 Node 0x1a [Pin Complex] wcaps 0x400481: Stereo Control: name="Internal Mic Phantom Jack", index=0, device=0 Pincap 0x00001324: IN Detect Vref caps: HIZ 50 80 Pin Default 0x90a70130: [Fixed] Mic at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0x3, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x24: IN VREF_80 Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x1b [Pin Complex] wcaps 0x400581: Stereo Control: name="Mic Jack", index=0, device=0 Pincap 0x00011334: IN OUT EAPD Detect Vref caps: HIZ 50 80 EAPD 0x0: Pin Default 0x04a19020: [Jack] Mic at Ext Right Conn = 1/8, Color = Pink DefAssociation = 0x2, Sequence = 0x0 Pin-ctls: 0x24: IN VREF_80 Unsolicited: tag=02, enabled=1 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 Node 0x1c [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00000014: OUT Detect Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 Node 0x1d [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00010034: IN OUT EAPD Detect EAPD 0x0: Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 Node 0x1e [Pin Complex] wcaps 0x400481: Stereo Pincap 0x00000024: IN Detect Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x1f [Pin Complex] wcaps 0x400501: Stereo Control: name="Speaker Phantom Jack", index=0, device=0 Pincap 0x00000010: OUT Pin Default 0x92170110: [Fixed] Speaker at Int Front Conn = Analog, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10 0x11* Node 0x20 [Pin Complex] wcaps 0x400781: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 1 0x12 Node 0x21 [Audio Output] wcaps 0x611: Stereo Digital Converter: stream=0, channel=0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x160]: 44100 48000 96000 bits [0xe]: 16 20 24 formats [0x5]: PCM AC3 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x22 [Pin Complex] wcaps 0x400781: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 1 0x21 Node 0x23 [Pin Complex] wcaps 0x40040b: Stereo Amp-In Amp-In caps: ofs=0x00, nsteps=0x04, stepsize=0x2f, mute=0 Amp-In vals: [0x00 0x00] Pincap 0x00000020: IN Pin Default 0x40f001f0: [N/A] Other at Ext N/A Conn = Unknown, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Node 0x24 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In Amp-In caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=1 Amp-In vals: [0x00 0x00] [0x00 0x00] Power states: D0 D1 D2 D3 D3cold EPSS Power: setting=D0, actual=D0 Connection: 2 0x10 0x11 Node 0x25 [Vendor Defined Widget] wcaps 0xf00000: Mono

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• SQL: Add counters in select

  - by etarvt

  Hi, I have a table which contains names: Name ---- John Smith John Smith Sam Wood George Wright John Smith Sam Wood I want to create a select statement which shows this: Name 'John Smith 1' 'John Smith 2' 'Sam Wood 1' 'George Wright 1' 'John Smith 3' 'Sam Wood 2' In other words, I want to add separate counters to each name. Is there a way to do it without using cursors?

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• C4C - 2012

  - by Timothy Wright

  C4C, in Kansas City, is always a fun event. At points it gets to be a pressure cooker as you zone in trying to crank out some fantastic code in just a few hours, but it is always fun. A great challenge of your skill as a software developer and for a good cause. This year my team helped The United Cerebral Palsy of Greater Kansas City organization to add online job applications and a database for tracking internal training. I keep finding that there is one key rule to pulling off a successful C4C weekend project, and that is “Keep It Simple”. Each time you want to add that one cool little feature you have to ask yourself.. Is it really necessary? and Do I have time for that? And if you are going to learn something new you should ask yourself if you’re really going to be able to learn that AND finish the project in the given time. Sometimes the less elegant code is the better code if it works. That said… You get a great amount of freedom to build the solution the way you want. Typically, the software we build for the charities will save them a lot of money and time and make their jobs easier. You are able to build the software you know you are capable of creating from your own ideas. I highly recommend any developers in the area to signup next year and show off your skills. I know I will!

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• Any valid reason to Nest Master Pages in ASP.Net rather than Inherit?

  - by James P. Wright

  Currently in a debate at work and I cannot fathom why someone would intentionally avoid Inheritance with Master Pages. For reference here is the project setup: BaseProject MainMasterPage SomeEvent SiteProject SiteMasterPage nested MainMasterPage OtherSiteProject MainMasterPage (from BaseProject) The debate came up because some code in BaseProject needs to know about "SomeEvent". With the setup above, the code in BaseProject needs to call this.Master.Master. That same code in BaseProject also applies to OtherSiteProject which is just accessed as this.Master. SiteMasterPage has no code differences, only HTML differences. If SiteMasterPage Inherits MainMasterPage rather than Nests it, then all code is valid as this.Master. Can anyone think of a reason why to use a Nested Master Page here instead of an Inherited one?

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• What naughty ways are there of driving traffic?

  - by Tom Wright

  OK, so this is purely for my intellectual curiosity and I'm not interested in illegal methods (no botnets please). But say, for instance, that some organisation incentivised link sharing in a bid to drive publicity. How could I drive traffic to my link? Obviously I could spam all my friends on social networking sites, which is what they want me to do, but that doesn't sound as fun as trying to game the system. (Not that I necessarily dispute the merit of this particular campaign.) The ideas I've come up with so far (in order of increasing deviousness) include: Link-dropping - This is too close to what they want me to do to be devious, but I've done it here (sorry) and I've done it on Twitter. I'm subverting it slightly by focusing on the game aspects rather than their desired message. AdWords - Not very devious at all, but effectively free with the vouchers I've accrued. That said, I must be pretty poor at choosing keywords, because I've seen very few hits (~5) so far. Browser testing websites - The target has a robots txt which prevents browsershots from processing it, but I got around this by including it in an iframe on a page that I hosted. But my creative juices have run dry I'm afraid. Does anyone have any cheeky/devious/cunning/all-of-the-above idea for driving traffic to my page?

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• What exactly is "Web API" in ASP.Net MVC4?

  - by James P. Wright

  I know what a Web API is. I've written API's in multiple languages (including in MVC3). I'm also well practiced in ASP.Net. I just discovered that MVC4 has "Web API" and without going through the video examples I can't find a good explanation of what exactly it IS. From my past experience, Microsoft technologies (especially ASP.Net) have a tendency to take a simple concept and wrap it in a bunch of useless overhead that is meant to make everything "easier". Can someone please explain to me what Web API in MVC4 is exactly? Why do I need it? Why can't I just write my own API?

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• Why use an OO approach instead of a giant "switch" statement?

  - by James P. Wright

  I am working in a .Net, C# shop and I have a coworker that keeps insisting that we should use giant Switch statements in our code with lots of "Cases" rather than more object oriented approaches. His argument consistently goes back to the fact that a Switch statement compiles to a "cpu jump table" and is therefore the fastest option (even though in other things our team is told that we don't care about speed). I honestly don't have an argument against this...because I don't know what the heck he's talking about. Is he right? Is he just talking out his ass? Just trying to learn here.

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• Can anyone recommend a chorded keyboard for a programmer?

  - by Tom Wright

  Pre-emptive strike: It's subjective, but it's also Friday... ;) Inspired by this great question and related to this great question, I have decided to buy a chorded keyboard. (A chorded keyboard, by the way, is one with a reduced number of keys, that must be pressed together, in chords, to give all the possible characters etc. - see wikipedia) Being a programmer means that the keys I use regularly are likely different to a regular Joe (a lot more semi-colons for a start), so I was wondering if any of my fellow programmers had tested a chorded keyboard for use on the battlefield of code? Being a nerd, I'm also interested in the extent to which I'd be able to customise my chorded keyboard. (Macros? Shortcuts?) Edit I'm beginning to suspect that no-one has heard of these, let alone tried one. So we're all talking about the same thing, here's an example: Twiddler 2.1

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• Good architecture for user information on separate databases?

  - by James P. Wright

  I need to write an API to connect to an existing SQL database. The API will be written in ASP.Net MVC3. The slight problem is that with existing users of the system, they may have a username on multiple databases. Each company using the product gets a brand new instance of the database, but over the years (the system has been running for 10 years) there are quite a few users (hundreds) who have multiple usernames across multiple "companies" (things got fragmented obviously and sometimes a single Company has 5 "projects" that each have their own database). Long story short, I need to be able to have a single unified user login that will allow existing users to access their information across all their projects. The only thing I can think is storing a bunch of connection strings, but that feels like a really bad idea. I'll have a new Database that will hold the "unified user" information...can anyone suggest a solid system architecture that can handle a setup like this?

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• Is there an app/script I can deploy to enable my users to change their own LDAP passwords?

  - by Tom Wright

  I've recently enabled LDAP based authentication on my domain. This has allowed us to use a single set of credentials to administer the blog, the forum and the wiki. Unfortunately, this has come at the cost of users being able to change their own passwords. Ideally, users would be able to visit a page (i.e. mydomain.com/account), authenticate and then change their password. Does anyone know of a script or app that will allow me to do this quickly and easily? I guess it wouldn't be hard to write in PHP, but I'd prefer not to have the hassle.

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• Will the Mac app store accept an app that reads and parses iPhone backups?

  - by John Wright

  I wanted to submit an app to the Mac app store that reads the iPhone backup dir and provides some useful functionality on user's voicemails and sms messages. The app parses and reads the backup mbdb files, and extracts the voicemail and sms sqlite db files as well as the voicemails to a temp directory. Is this kind of app likely to be rejected since it reads an unpublished format? It's not using any private APIs. I realize none of you are reviewers but wondering if I should even try to submit it to the store.

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• When does Information become Data? (i.e. Information wants to be free) [closed]

  - by James P. Wright

  I hear Programmers often talk about how Information Wants To Be Free which I mostly agree with, but the thing that people don't often pay attention to is that Information and Data are not the same thing. Should Data also be free? Does that mean all of you should have full access to my Social Security Number and other personal "information"? Where is the limit? If there is a limit, why do people throw this phrase around like it fits every circumstance (like this one)

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• Arguments for or against using Try/Catch as logical operators

  - by James P. Wright

  I just discovered some lovely code in our companies app that uses Try-Catch blocks as logical operators. Meaning, "do some code, if that throws this error, do this code, but if that throws this error do this 3rd thing instead". It uses "Finally" as the "else" statement it appears. I know that this is wrong inherently, but before I go picking a fight I was hoping for some well thought out arguments. And hey, if you have arguments FOR the use of Try-Catch in this manner, please do tell. EDIT For any who are wondering, the language is C# and the code in question is about 30+ lines and is looking for specific exceptions, it is not handling ALL exceptions.

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• Adding multiple byte arrays in c# [migrated]

  - by James P. Wright

  I'm working on a legacy system that uses byte arrays for permission levels. Example: 00 00 00 00 00 00 00 01 means they have "Full Control" 00 00 00 00 00 00 00 02 means they have "Add Control" 00 00 00 00 00 00 00 04 means they have "Delete Control" So, if a User has "00 00 00 00 00 00 00 07" that means they have all 3 (as far as it has been explained to me). Now, my question is that I need to know how to get to "0x07" when creating/checking records. I don't know the syntax for actually combining 0x01, 0x02 and 0x04 so that I come out with 0x07.

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• Why does 3.5 mm audio out work through headphones but not through external speakers?

  - by Rickster

  I have a computer that has a 3.5 mm audio jack on the front of it. The computer itself has no speakers, so this is the only way to hear sound. If I plug headphones into it, the audio properly plays through the headphones, and if I plug in external speakers it used to play through them as well. Just today I turned on my computer and the audio no longer plays through the speakers, but if I plug in the headphones instead it works. The speakers aren't broken, as both the speakers and headphones work in my iPod and play music. I thought that 3.5 mm jacks could not send data back to the computer, and the computer had no way of differentiating between different devices plugged into the jack. If this is true, how is it that the computer plays audio through the headphones but not through speakers plugged into the same 3.5 mm jack, and both devices are functional? Or is my knowledge on 3.5 mm jacks incorrect? I don't believe drivers are important, as the same driver runs the 3.5 mm jack for all devices, but if necessary I can provide additional information. Any ideas would be appreciated. Thanks!

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• Network Transfer Rate on SMB/FTP

  - by Jack Sleight

  Hi, We're trying to optimise our network transfer rate from the client PCs to the file server, but having no luck. If I run an iperf test between a client PC (Windows XP) and our server (Linux) with a large TCP window size (the default is 8kb) I can get 60 Mbps. But when I run an SMB transfer speed test all I get is around 35 Mbps. When I run an FTP transfer speed test all I get is around 32 Mbps. I thought this was to do with the TCP window size, but I have now increased that to 256960 and it made no difference at all. Any ideas what I'm doing wrong? Or is 35 Mbps all I should expect? Cheers, Jack

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• Alternatives to FTP

  - by Jack Hickerson

  I need to share files with clients outside of my business and unfortunately our FTP server is becoming too much of a hassle (with regards to clients use of an ftp client and creating password protected downloads based on customized account privileges) Essentially, I need: a remote service that mimics an FTP server with a web interface (easy for basic internet users to comprehend). over 100gb of storage file transfer size over 2gb customizable user account privileges (password protected downloads) secure storage and data transfer preferably less then $100/mo I have already looked into some services that almost meet my requirements (StreamFile.com, box.net, onehub.com, filesanywhere.com)- has anyone used a service they would recommend? cheers, jack

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• Restore audio settings - cannot open mixer: No such file or directory

  - by Alfred M.

  The internal speaker of my laptop never functionned under Ubuntu. I tried to follow indication on the web and now the jack audio does not work either. The graphic interface for audio management now displays a 'dummy output' instead of the three possible outputs I used to have (one of them was working for the jack output). In a terminal alsamixer raises an error: cannot open mixer: No such file or directory I did try to remove and reinstall alsa-utils but it did not change anything. This happened after a failed atempt to install alsa-driver-linuxant_1.0.23.1_all.deb from here. My sound card seems to be not recognised anymore. After reboot I have no more the sound icon in menu bar the upper right corner. I think I have removed my sound card driver. Indeed, the command sudo lshw -class multimedia indicated audi device as unclaimed. Any idea how I could revert to a better situation (that is jack support and alsa working)? EDIT: The command lspci -nnk | grep -iEA3 audio gives lspci -nnk | grep -iEA3 audio 00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03) Subsystem: ASUSTeK Computer Inc. Device [1043:1893] 00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)

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