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  • UPS vs Solar Power in case of power failure for a server [on hold]

    - by Zen 8000k
    I am looking for a low power, low end pc able to run 24/7 without overheating and a way to support it in case of power failure. Power failures can be up to 72 hours. The pc dosen't need a monitor or keyboard. A modem must also be protected in case of power failure. When i say low end, i don't mean crap. The cpu needs to be x86 and have at least 1k cpu in this chart: http://www.cpubenchmark.net/index.php What's the best way to do this? EDIT: more info. I need to run a home server. The server will perform light tasks mainly. A x86 cpu sadly is the only route for my use. I want to be able to run the server and the router/modem in case of power failure. Now, regarding how long the power will fail: 1) 1 hours is OK for most situations. (say 90%) 2) 3 hours is OK (say 98%) 3) 6 hours is more thank OK. (say 99.5%) 4) On extreme cases the power might fail days. I believe this is very unlikely to happen. More is great but, really, how ofter power will fail more than 3 hours? I believe once every year at best. Well, that's too rare to care about. Given the above, I am looking for a cost effective way to archive 1-3 hour power or 6 hour if possible. Solutions: You guys give me great ideas. 1) Power generator: no good as power will fail for 10 seconds before returning. Also I read online, "clean" power generators cost 1.5k+, so it's out of budged. Non clean generator might damage electronics, right? 2) Solar power: i don't know for sure about this. Sounds like a great idea, too good to be true, honestly. For only 200$ i get 100+w? What are the drawbacks here? 3) UPS: This seems to be the best. The only problem is the cost. Cost < 200$ = great 400$ = budged limit

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  • Connecting to SQL Server on Parallels Desktop with PHP

    - by Zen Savona
    well I recently bought a Mac and am using it as my primary computer. Because I am required to work with MSSQL via PHP, I have installed Parallels Desktop and run Server 2008 R2 on it. I am using the same mixed mode authentication which I previously had on windows. When I attempt to connect to the server with PHP using either a new test file or my old code, it just doesn't find the server. I have tried running PHP on the XP install with parallels, and using the hostname as COMPUTERNAME\SQLEXPRESS, LOCALIP\SQLEXPRESS localhost localip etc, PHP never finds the server. Also note that I can connect to the database server using Management Studio without problems, so SQL Server is running. Please note that both PHP and MSSQL are running within the virtualised environment. Any contribution is appreciated

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  • Goldwave Autotrim over Command Prompt

    - by Vivek
    Hi, I have 1 minute wav file recordings. To check whether there is no voice present in the file, I am using Goldwave to trim the silence which lefts the file size very small in few Kbs. This tells me that there is no sound in most part of the file. But I am not able to do this via Command prompt using the Command line utility, Does Goldwave aupport Autotrim Silence through Command Prompt ? If so, what is the command for it ? Thanks Vivek

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  • Editing Django's admin index <div id='module'> tag

    - by zen
    I am new to the Django framework. On Django's admin index page I'd like to get rid of the "s" at the end of my model names. Example: <div class="module"> <table summary="Models available in the my application."> <caption><a href="" class="section">My application</a></caption> <tr> <th scope="row"><a href="model/">Model**s**</a></th> <td><a href="model/add/" class="addlink">Add</a></td> <td><a href="model/" class="changelink">Change</a></td> </tr> </table> </div> I know of a way to do this but I am really looking for the file I should edit. Where is it and what exactly should I do? I can't seem to pinpoint where it is coming from.

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  • PHP regex to match sentences that contain a year

    - by zen
    I need a regular expression that will extract sentences from text that contain a year in them. Example text: Next, in 1988 the Bradys were back again for a holiday celebration, "A Very Brady Christmas". Susan Olsen (Cindy) would be missing from this reunion, Jennifer Runyon took her place. This was a two hour movie in which the Bradys got together to celebrate Christmas, introducing the world to the spouses and children of the Brady kids. This movie was the highest rated TV-movie of 1988. If the example text was variable $string, I need it to return: $sentenceWithYear[0] = Next, in 1988 the Bradys were back again for a holiday celebration, "A Very Brady Christmas". $sentenceWithYear[1] = This movie was the highest rated TV-movie of 1988. If it's possible to retain the year via regex, I'd use the year within the sentence and eventually insert the sentences into a database like: INSERT INTO table_name (year, sentence) VALUES ('$year', '$sentenceWithYear[x]')

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  • css & horizontal scrolling

    - by zen
    One of my most favorite websites is that of the Oxford Hotel in Romania. I like the simplicity of the site and how it flows. I am trying to create a similar scrolling effect using jquery and I've been somewhat successful to a point. My trouble is with css... I am not a wizard in that department. Anyway,...my questions! 1. How can I first make sure that the ".box" class will be in the center of the page when the corresponding link is clicked? Right now it positions itself on the left. 2. Then, how can I tweak this code so that the user only can see the width of the screen and not the browser scroller/the rest of my ".box" divs? Refer to the oxford link if you need to see an example of what I'd like to achieve. This is a portion of my current CSS. body { background: #f2f2f2; text-align:left; color:#666; font-size:14px; font-family:georgia, 'time new romans', serif; margin:0 auto; padding:0; } #menu { background: #333333; position: fixed; top: 0px; left: 0; border: 1px solid #000; clear: both; float: left; font-family: helvetica, sans-serif; font-size: 18px; text-transform: uppercase; margin: 0; padding: 18px; z-index: 500; filter: alpha(opacity=75); opacity: .75; } #menu ul{ list-style-type: none; margin: 0; padding: 0; } #menu ul li{ list-style-type: none; color: #777; display: inline; margin: 0; padding: 0 10px 0 10px; } #menu ul li a{ text-decoration: none; list-style-type: none; color: #777; display: inline; margin: 0; padding: 0; } #menu ul li a:hover{ text-decoration: none; list-style-type: none; color: #fff; display: inline; margin: 0; padding: 0; } #container { position: absolute; top: 120px; width: 70000px; margin: 0; padding: 0; } .box { background: white; border: 3px dashed #f2f2f2; width: 600px; float: left; font-size: 10px; line-height: 15px; margin: 0; padding: 5px 30px 30px 30px; }

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  • Database Structure for vBulletin Message Board

    - by zen
    I am wondering if someone would be willing to post the database structure for a vBulletin message board? The SQL or screen shots would be nice. I am currently setting out a business plan for a website that will include a message forum, however, assessing the $195-$295 message board fee has me thinking about other possible solutions. I am brave.

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  • mysql data type confusion

    - by zen
    So this is more of a generalized question about MySQLs data types. I'd like to store a 5-digit US zip code (zip_code) properly in this example. A county has 10 different cities and 5 different zip codes. city | zip code -------+---------- city 0 | 33333 city 1 | 11111 city 2 | 22222 city 3 | 33333 city 4 | 44444 city 5 | 55555 city 6 | 33333 city 7 | 33333 city 8 | 44444 city 9 | 22222 I would typically structure a table like this as varchar(50), int(5) and not think twice about it. (1) If we wanted to ensure that this table had only one of 5 different zip codes we should use the enum data type, right? Now think of a similar scenario on a much larger scale. In a state, there are five-hundred cities with 418 different zip codes. (2) Should I store 418 zip codes as an enum data type OR as an int and create another table to reference?

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  • Pass ng-model and place-holder value into directive

    - by Zen
    I have a segment of code needs to be reuse a lot, there for I want to just create a directive for it. <div class="btn-group"> <div class="input-group"> <div class="has-feedback"> <input type="text" class="form-control" placeholder="BLAH BLAH" ng-model="model"> <span class="times form-control-feedback" ng-click="model=''" ng-show="model.length > 0"></span> </div> </div> </div> I want to use this code as template in directive. Create a directive used as follow: <div search-Field ng-model="model" placeholder="STRING"></div> to replace to old html, ng-model and placeholder will be as variables. angular.module('searchField', []) .directive('searchField', [function () { return { scope: { placeholder: '@', ngModel: '=' }, templateUrl: 'Partials/_SearchInputGroup.html' } }]); Is it the way of doing it?

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  • Cannot send HTML Emails

    - by Zen Savona
    Well I'm trying to send a HTML email using gmail smtp from CI, and it seems to reject my emails when they have any amount of tables. No error is given, they just do not appear in my inbox. If I send an email with light HTML and no tables, they go through. Anyone have any insight? $config = Array( 'protocol' => 'smtp', 'smtp_host' => 'ssl://smtp.googlemail.com', 'smtp_port' => 465, 'smtp_user' => '[email protected]', 'smtp_pass' => '--------', 'mailtype' => 'html', 'charset' => 'iso-8859-1' ); $this->load->library('email', $config); $this->email->set_newline("\r\n"); $this->email->from('myEmail', 'myName'); $this->email->to($this->input->post('email')); $this->email->subject('mySubject'); $msg = $this->load->view('partials/email', '', true); $this->email->message($msg); $this->email->send();`

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  • FluentNHibernate: returning an enum from a derived property

    - by Zen-C
    I'm using the automapping feature of FluentNHibernate and need a property that derives its return value. This property must return an Enum value, e.g. public virtual MyEnum MyDerivedProperty { get { MyEnum retval; // do some calculations return retval; } } Currently I get the following exception: NHibernate.PropertyNotFoundException: Could not find a setter for property 'MyDerivedProperty' ... If I add a setter then the database table involved requires the column to exist, even if that setter does nothing. It works fine when the return type is an int. Any ideas how I achieve this?

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  • Django admin page dropdowns

    - by zen
    I am building a high school team application using Django. Here is my working models file: class Directory(models.Model): school = models.CharField(max_length=60) website = models.URLField() district = models.SmallIntegerField() conference = models.ForeignKey(Conference) class Conference(models.Model): conference_name = models.CharField(max_length=50) url = models.URLField() class Meta: ordering = ['conference_name'] When I open my admin pages and go to edit a school's conference the drop down looks like this: <select> <option value="1">Conference Object</option> <option value="2">Conference Object</option> <select> How do I replace "Conference Object" with the conference_name?

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  • Vim Auto Indent with newline

    - by Zen
    How do I get vim to place the cursor within the braces starting on a new line, ie with | denoting the cursor position : class { | } right now with my settings it only does this class { |} I got this in my .vimrc file set autoindent shiftwidth=2 tabstop=2 noexpandtab Basically I just want how a normal IDE would indent it. update: I found how to do this with inoremap { {<CR>}<Esc>O

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  • CodeIgniter URI segments captured as variables?

    - by Zen Savona
    well, i have a function within a controller called test, and i can access it by going to http://localhost/nwk/control/test this is my function. I want to use the data given in the next segment from the "test" as a php variable. so if i put function test() { $var $this->uri->segment(3); echo $var; } according to the user guide if I enter control/test/data, my variable should be equal to 'data'? doesn't seem to be working. Am I missing something here?

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  • Lua choose random item from table

    - by Zen
    Seems easy but I just don't get any further: Take this example: local myTable = { 'a', 'b', 'c', 'd' } print( myTable[ math.random( 0, #myTable - 1 ) ] ) Why doesn't it work? Google seems to have no answers on this either

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  • AudioQueue ate my buffer (first 15 milliseconds of it)

    - by iter
    I am generating audio programmatically. I hear gaps of silence between my buffers. When I hook my phone to a scope, I see that the first few samples of each buffer are missing, and in their place is silence. The length of this silence varies from almost nothing to as much as 20 ms. My first thought is that my original callback function takes too much time. I replace it with the shortest one possible--it re-renqueues the same buffer over and over. I observe the same behavior. AudioQueueRef aq; AudioQueueBufferRef aq_buffer; AudioStreamBasicDescription asbd; void aq_callback (void *aqData, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer) { OSStatus s = AudioQueueEnqueueBuffer(aq, aq_buffer, 0, NULL); } void aq_init(void) { OSStatus s; asbd.mSampleRate = AUDIO_SAMPLES_PER_S; asbd.mFormatID = kAudioFormatLinearPCM; asbd.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked; asbd.mBytesPerPacket = 1; asbd.mFramesPerPacket = 1; asbd.mBytesPerFrame = 1; asbd.mChannelsPerFrame = 1; asbd.mBitsPerChannel = 8; asbd.mReserved = 0; int PPM_PACKETS_PER_SECOND = 50; // one buffer is as long as one PPM frame int BUFFER_SIZE_BYTES = asbd.mSampleRate/PPM_PACKETS_PER_SECOND*asbd.mBytesPerFrame; s = AudioQueueNewOutput(&asbd, aq_callback, NULL, CFRunLoopGetCurrent(), kCFRunLoopCommonModes, 0, &aq); s = AudioQueueAllocateBuffer(aq, BUFFER_SIZE_BYTES, &aq_buffer); // put samples in the buffer buffer_data(my_data, aq_buffer); s = AudioQueueStart(aq, NULL); s = AudioQueueEnqueueBuffer(aq, aq_buffer, 0, NULL); }

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  • Debug NAudio MP3 reading difference?

    - by Conrad Albrecht
    My code using NAudio to read one particular MP3 gets different results than several other commercial apps. Specifically: My NAudio-based code finds ~1.4 sec of silence at the beginning of this MP3 before "audible audio" (a drum pickup) starts, whereas other apps (Windows Media Player, RealPlayer, WavePad) show ~2.5 sec of silence before that same drum pickup. The particular MP3 is "Like A Rolling Stone" downloaded from Amazon.com. Tested several other MP3s and none show any similar difference between my code and other apps. Most MP3s don't start with such a long silence so I suspect that's the source of the difference. Debugging problems: I can't actually find a way to even prove that the other apps are right and NAudio/me is wrong, i.e. to compare block-by-block my code's results to a "known good reference implementation"; therefore I can't even precisely define the "error" I need to debug. Since my code reads thousands of samples during those 1.4 sec with no obvious errors, I can't think how to narrow down where/when in the input stream to look for a bug. The heart of the NAudio code is a P/Invoke call to acmStreamConvert(), which is a Windows "black box" call which I can't think how to error-check. Can anyone think of any tricks/techniques to debug this?

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  • Seeking automated toolchain for WAV cleanup and conversion to MP3 (currently using Audacity manually

    - by Andrew M. Greene
    I use Finale with the Garritan sounds to convert my music into WAV files; after that I manually load each one into Audacity and select all use the "normalize" effect (with default settings) manually select the silence at the beginning of the file and delete it manually select the silence at the end of the file and delete it finally export the whole thing as an MP3 (with specific tag data) This gets tedious, especially as I work on a ten-movement piece with six part-prominent rehearsal "tapes" to accompany the full-score rendition. And there are too many variations in what's going on for me to trust AutoHotKey for this one. Is there a way to script Audacity, or is there another toolchain that would do what I want? I'm running on a WindowsXP laptop with cygwin installed. Thanks!

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  • Etiquette when asking questions in an IRC channel

    - by Zarkonnen
    Many larger OSS projects maintain IRC channels to discuss their usage or development. When I get stuck on using a project, having tried and failed to find information on the web, one of the ways I try to figure out what to do is to go into the IRC channel and ask. But my questions are invariably completely ignored by the people in the channel. If there was silence when I entered, there will still be silence. If there is an ongoing conversation, it carries on unperturbed. I leave the channel open for a few hours, hoping that maybe someone will eventually engage me, but nothing happens. So I worry that I'm being rude in some way I don't understand, or breaking some unspoken rule and being ignored for it. I try to make my questions polite, to the point, and grammatical, and try to indicate that I've tried the obvious solutions and why they didn't work. I understand that I'm obviously a complete stranger to the people on the channel, but I'm not sure how to fix this. Should I just lurk in the channel, saying nothing, for a week? That seems absurd too. A typical message I send might be "Hello all - I've been trying to get Foo to work, but I keep on getting a BarException. I tried resetting the Quux, but this doesn't seem to do anything. Does anyone have a suggestion on what I could try?"

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  • how Postfix anti spam configuration works with DNS-based Blackhole List providers

    - by Ashish
    Hello, I have setup a Postfix mail server for incoming mails that is required to never reply to external enviornment i.e it will accept all incoming mails and never reply anything that can be used as a trace to locate and verify it's existence. I have implemented the Postfix anti-UCE configuration by using the following settings in postfix main.cf for countering spam generating mail servers: 'smtpd_recipient_restrictions = reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net' Now i have certain doubts/questions: How Postfix is able to communicate with Black hole list providers i.e How this whole process works?, e.g here they are zen.spamhaus.org, bl.spamcop.net, so that i can test the performance of whole process. Can a header be added in the received mail regarding the status of the results of the above verification process, since i will not reply any traces from my incoming mail receiving Postfix server, so i need this feature? Please post relevant links for reference. Thanks in advance!!! Ashish

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  • performing a javascript event without triggering that event handler

    - by bento
    In my latest code, I have an event handler for a focus on a textarea. When the user clicks on the textarea, that event-handler is triggered which sets some other DOM states based on the selected textarea. However, elsewhere in my program I want to programmatically set the focus of the textarea without triggering that event handler. I know Backbone, for instance, has a way to silently perform an action. My only pseudo-solution is to temporarily set a variable: var silence = true; And then, in my event handler, only perform the logic if silence is false. The handler is still triggered, but the logic doesn't run. Does anyone else know of better strategies for this?

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