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  • Essential Training Topics for Supervisors of ASP.NET Developers

    - by Dave Johnson
    I have a co-worker who supervises a group of ASP.NET developers who are doing lots of ASP.NET/SQL Server apps. My co-worker was very technical at one time, but his last programming assignment was writing Fortran code in the 1980s. He has asked me to help him gain a deeper knowledge of ASP.NET Web application development to equip him in his supervisory role. I will be spending an hour every other week with him providing training, and he will probably not have a lot of time to commit otherwise. What would you recommend as topics to cover, tutorial resources, etc. so that I can help him get up to speed in his role as a supervisor of ASP.NET developers?

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  • Doing a join across two databases with different collations on SQL Server and getting an error.

    - by Andrew G. Johnson
    I know, I know with what I wrote in the question I shouldn't be surprised. But my situation is slowly working on an inherited POS system and my predecessor apparently wasn't aware of JOINs so when I looked into one of the internal pages that loads for 60 seconds I see that it's a fairly quick, rewrite these 8 queries as one query with JOINs situation. Problem is that besides not knowing about JOINs he also seems to have had a fetish for multiple databases and surprise, surprise they use different collations. Fact of the matter is we use all "normal" latin characters that English speaking people would consider the entire alphabet and this whole thing will be out of use in a few months so a bandaid is all I need. Long story short is I need some kind of method to cast to a single collation so I can compare two fields from two databases. Exact error is: Cannot resolve the collation conflict between "SQL_Latin1_General_CP850_CI_AI" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation.

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  • How can I make a resizable array in Java?

    - by Soren Johnson
    What is the best way to do a resizable array in Java? I tried using Vector, but that shifts all elements over by when when you do an insert, and I need an array that can grow but the elements stay in place. I'm sure there's a simple answer for this, but I still not quite sure.

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  • Unknown and unreproducible crash causes App Store rejection

    - by Daniel Johnson
    After submitting our application several times, we continue to receive the following response: Thank you for submitting My App to the App Store. We've reviewed your application and determined that we cannot post this version of your iPad application to the App Store because My App is crashing on iPad running iPhone OS 3.2 and Mac OS X 10.6.2. My App crashes upon launch. Unfortunately, crash logs have not been generated. However, resigning the same build with the AdHoc entitlements and loading the build onto the device yields no such crash. After a number of attempts, the application simply does not crash as reported by the reviewer. Furthermore, the reviewer does not provide any useful logging that may have been generated by SpringBoard such as an exit status or event if it had worked properly for any other device. There are no calls to explicitly exit or quit the application in the code line and yet the application terminates on startup. What might cause an application to terminate in such a manner? Under what conditions is an application tested that might not be found under a development environment? Could it be a result of a signing issue that the submission validation system is simply unable to catch? Thanks in advance.

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  • python return class

    - by William P
    Hi I new to python and I read from someone else of the example code below: class A: def current(self): data = Data(a=a,b=b,c=c) return data class B(A): #something here #print data a b c How do I print out the data a, b, and c?

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  • Taking my ASP.NET from my local comp to the server

    - by Andrew G. Johnson
    Hi All, So I have been developing a small ASP.NET web app in C# for my company over the past few weeks and now I am trying to push it onto our Rackspace server. First step was to create a virtual directory because we want it to be www.ourdomain.com/appname/ and most of the stuff on ourdomain.com is currently in classic ASP. So I did this and then uploaded my stuff to the new folder. I *think* I did this at least semi-right because the error message I am getting is that nice puke color (ASP.NET style instead of classic ASP style) -- problem is it is generic and just saying runtime error. I tried just copy/pasting <customErrors mode="On" /> into the web.config file in the /appname/ directory but nothing changed So the actual questions are: How can I get a more descriptive error, when I was developing locally I just pushed the "play button" in VS2010 and it would either show me the app or tell me where I screwed up Is there anything else I'm doing wrong that may be causing this? If there's things I need to check lemme know!

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  • How should my application keep clients in sync with schema changes to HTML5 databases?

    - by Chad Johnson
    I'm wanting to incorporate HTML5 database storage into my web application to make it online-accessible. I've done lots of development in server-side environments with databases, and we all know that database schema additions and modifications are often necessary. I am wondering what should happen if my application uses an offline database schema, and that schema changes. How do I prevent the application from breaking on the client side? How do I ensure the database is always up to date on the client end? Anyone have any solutions?

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  • Javascript not getting keyDown input

    - by William
    For some reason my code just isn't wanting to fire off any kind of OnKeyDown event. I don't know why. Can anyone tell me what I'm doing wrong? <!DOCTYPE html> <html lang="en"> <head> <title>Canvas test</title> <meta charset="utf-8" /> <link href="/bms/style.css" rel="stylesheet" /> <style> body { text-align: center; background-color: #000000;} canvas{ background-color: #ffffff;} </style> <script type="text/javascript"> var x = 50; var y = 250; var speed = 5; function controls(event){ if(!e){ //for IE e = window.event; } if(e.keyCode==37){//keyCode 37 is left arrow x -= speed; } if(e.keyCode==39){ //keyCode 39 is right arrow x += speed; } if(e.keyCode==38){//keyCode 37 is up arrow y -= speed; } if(e.keyCode==40){ //keyCode 39 is down arrow y += speed; } } function update(){ document.onkeydown="controls(event);"; draw(); } function draw(){ var canvas = document.getElementById('screen1'); if (canvas.getContext){ var ctx = canvas.getContext('2d'); ctx.fillStyle = 'rgba(255,255,255,0.5)'; ctx.fillRect(0,0,500,500); ctx.fillStyle = 'rgb(236,138,68)'; ctx.fillRect(x,y,25,25); } } setInterval('update();', 1000/60); </script> </head> <body> <canvas id="screen1" width="500" height="500"></canvas> </body> </html>

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  • SQL Server 2000: Why is this query w/ variables so slow vs w/o variables?

    - by William DiStefano
    I can't figure out why this query would be so slow with variables versus without them. I read some where that I need to enable "Dynamic Parameters" but I cannot find where to do this. DECLARE @BeginDate AS DATETIME ,@EndDate AS DATETIME SELECT @BeginDate = '2010-05-20' ,@EndDate = '2010-05-25' -- Fix date range to include time values SET @BeginDate = CONVERT(VARCHAR(10), ISNULL(@BeginDate, '01/01/1990'), 101) + ' 00:00' SET @EndDate = CONVERT(VARCHAR(10), ISNULL(@EndDate, '12/31/2099'), 101) + ' 23:59' SELECT * FROM claim c WHERE (c.Received_Date BETWEEN @BeginDate AND @EndDate) --this is much slower --(c.Received_Date BETWEEN '2010-05-20' AND '2010-05-25') --this is much faster

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  • Syntax error, unexpected '}' wordpress error

    - by Zach Johnson
    Hello I am not a PHP programmer so I have no idea what the problem is here. Basiclly I am trying to use a wordpress theme but I get this error The Parse error: syntax error, unexpected '}' in / home/a5618915/public_html/photo/wp-content/themes/iphoto/functions.php on line 1 I have no Idea what exactly is wrong in the php file. The code for the functions.php is below. If someone could point out whats wrong I would be really grateful. <?php define('THEME_NAME','iphoto'); load_theme_textdomain( THEME_NAME,TEMPLATEPATH .'/languages'); add_custom_background(); add_theme_support( 'automatic-feed-links' ); add_theme_support( 'post-formats', array( 'video')); if ( function_exists('register_nav_menus') ) { register_nav_menus(array('primary' => 'header')); } add_action('wp_ajax_b_ajax_post_action', 'b_ajax_callback'); function b_ajax_callback() { global $wpdb; if(isset($_POST['type']) && $_POST['type'] == 'upload') { $clickedID = $_POST['data']; $filename = $_FILES[$clickedID]; $filename['name'] = preg_replace('/[^a-zA-Z0-9._-]/', '', $filename['name']); $override['test_form'] = false; $override['action'] = 'wp_handle_upload'; $uploaded_file = wp_handle_upload($filename,$override); $upload_tracking[] = $clickedID; update_option($clickedID, $uploaded_file['url'] ); if(!empty($uploaded_file['error'])) {echo 'Upload Error: ' . $uploaded_file['error']; } else { echo $uploaded_file['url']; } } die(); } function post_thumbnail($a){ global $post; $post_img = ''; ob_start(); ob_end_clean(); $output = preg_match_all('/\<img.+?src="(.+?)".*?\/>/is',$post->post_content,$matches ,PREG_SET_ORDER); $cnt = count( $matches ); if($a==1){ if($cnt>0){ if($cnt>1){ if($cnt>3) $cnt=3; for($i=0;$i<$cnt;$i++){ $post_current = $i+1; $post_img_src = $matches[$i][1]; if($i==0){$post_spans .= '<span class="current">'.$post_current.'</span>';}else{ $post_spans .= '<span>'.$post_current.'</span>'; } $post_imgs .='<img src="'.get_bloginfo('template_url').'/timthumb.php?src='.$post_img_src.'&amp;w=285&amp;zc=1" />'; } $post_img = $post_imgs.'<span class="imgNav">'.$post_spans.'</span>'; }else{ $post_img_src = $matches [0][1]; $post_img = '<img src="'.get_bloginfo('template_url').'/timthumb.php?src='.$post_img_src.'&amp;w=285&amp;zc=1" />'; } echo $post_img; } }else{ return $cnt; } } function post_content_thumbnail($c) { if(is_single()){ $c = preg_replace('/\width="*".+?height="*"/i', '', $c); $s = array('/src="(.+?.(jpg|bmp|png|jepg|gif))".+?/i' => 'src="'.get_bloginfo("template_url").'/timthumb.php?src=$1&amp;h=440&amp;zc=1"'); foreach($s as $p => $r){ $c = preg_replace($p,$r,$c); } return $c; } } add_filter( 'the_content', 'post_content_thumbnail' ); function ajax_post(){ if( isset($_GET['action'])&& $_GET['action'] == 'ajax_post'){ if(isset($_GET['cat'])){ $args = array( 'category_name' => $_GET['cat'], 'paged' => $_GET['pag'] ); }else if(isset($_GET['pag'])){ $args = array( 'paged' => $_GET['pag'] ); } query_posts($args); if(have_posts()){while (have_posts()):the_post();?> <?php get_template_part( 'content', get_post_format() ); ?> <?php endwhile;} die(); }else{return;} } add_action('init', 'ajax_post'); function pagenavi( $p = 2 ) { if ( is_singular() ) return; global $wp_query,$paged; $max_page = $wp_query->max_num_pages; if ( $max_page == 1 ){ echo '<span id="post-current">1</span> / <span id="post-count">1</span>'; return; } if ( empty( $paged ) ) $paged = 1; if ( $paged >1 ) echo "<a id='prev' title='Prev' href='",esc_html( get_pagenum_link( $paged -1 ) ),"'>&lt;&lt;</a> "; echo '<span id="post-current">'.$paged .'</span> / <span id="post-count">'.$max_page .'</span>'; if ( $paged <$max_page ) echo "<a id='next' title='Next' href='",esc_html( get_pagenum_link( $paged +1) ),"'>&gt;&gt;</a> "; } function iphoto_comment($comment,$args,$depth) { $GLOBALS['comment'] = $comment; ;echo ' <li ';comment_class();;echo ' id="li-comment-';comment_ID() ;echo '" > <div id="comment-';comment_ID();;echo '" class="comment-body"> <div class="commentmeta">';echo get_avatar( $comment->comment_author_email,$size = '48');;echo '</div> ';if ($comment->comment_approved == '0') : ;echo ' <em>';_e('Your comment is awaiting moderation.') ;echo '</em><br /> ';endif;;echo ' <div class="commentmetadata">&nbsp;-&nbsp;';printf(__('%1$s %2$s'),get_comment_date('Y.n.d'),get_comment_time('G:i'));;echo '</div> <div class="reply">';comment_reply_link(array_merge( $args,array('depth'=>$depth,'max_depth'=>$args['max_depth'],'reply_text'=>__('Reply')))) ;echo '</div> <div class="vcard">';printf(__('%s'),get_comment_author_link()) ;echo '</div> ';comment_text() ;echo ' </div> '; } add_action('admin_init', 'iphoto_init'); function iphoto_init() { if (isset($_GET['page']) && $_GET['page'] == 'functions.php') { $dir = get_bloginfo('template_directory'); wp_enqueue_script('adminjquery', $dir . '/includes/admin.js', false, '1.0.0', false); wp_enqueue_style('admincss', $dir . '/includes/admin.css', false, '1.0.0', 'screen'); } } add_action('admin_menu','iphoto_page'); function iphoto_page (){ if ( count($_POST) >0 &&isset($_POST['iphoto_settings']) ){ $options = array ('keywords','description','analytics','lib','views','noajax','animate','phzoom','copyright'); foreach ( $options as $opt ){ delete_option ( 'iphoto_'.$opt,$_POST[$opt] ); add_option ( 'iphoto_'.$opt,$_POST[$opt] ); } } add_theme_page('iPhoto '.__('Theme Options',THEME_NAME),__('Theme Options',THEME_NAME),'edit_themes',basename(__FILE__),'iphoto_settings'); } function iphoto_settings(){?> <div class="wrap"> <div> <h2><?php _e( 'iPhoto Theme Options<span>Version: ',THEME_NAME);?><?php $theme_data=get_theme_data(TEMPLATEPATH . '/style.css'); echo $theme_data['Version'];?></span></h2> </div> <div class="clear"></div> <form method="post" action=""> <div id="theme-Option"> <div id="theme-menu"> <span class="m1"><?php _e( 'jQuery Effect',THEME_NAME);?></span> <span class="m2"><?php _e( 'Relative Plugins',THEME_NAME);?></span> <span class="m3"><?php _e( 'Website Information',THEME_NAME);?></span> <span class="m4"><?php _e( 'Analytics Code',THEME_NAME);?></span> <span class="m5"><?php _e( 'Footer Copyright',THEME_NAME);?></span> <span class="m6"><?php _e( 'iPhoto Theme Declare',THEME_NAME);?></span> <div class="clear"></div> </div> <div id="theme-content"> <ul> <li> <tr><td> <em><?php _e( 'iPhoto use jquery 1.4.4 which contained in this theme, you can also use the Google one instead.',THEME_NAME);?></em><br/> <label><input name="lib" type="checkbox" id="lib" value="1" <?php if (get_option('iphoto_lib')!='') echo 'checked="checked"' ;?>/><?php _e( 'Load the jQuery Library supported by Google',THEME_NAME);?></label><br/><br/> </td></tr> <tr><td> <em><?php _e( 'Index page infinite loading posts.',THEME_NAME);?></em><br/> <label><input name="noajax" type="checkbox" id="noajax" value="1" <?php if (get_option('iphoto_noajax')!='') echo 'checked="checked"' ;?>/><?php _e( 'Deactivate the Infinite loading posts',THEME_NAME);?></label><br/><br/> </td></tr> <tr><td> <em><?php _e( '<strong>Animation of relayout elements</strong>',THEME_NAME);?></em><br /> <input name="animate" type="checkbox" id="animate" value="1" <?php if (get_option('iphoto_animate')!='') echo 'checked="checked"';?>/><?php _e( 'Deactivate animation effect on index page',THEME_NAME);?> </td></tr> </li> <li> <tr><td> <em><?php _e( 'WP-PostViews, Enables you to display how many times a post/page had been viewed.',THEME_NAME);?></em><br/> <label><input name="views" type="checkbox" id="views" value="1" <?php if (get_option('iphoto_views')!='') echo 'checked="checked"' ?>/><?php _e( 'Activate WP-PostViews',THEME_NAME);?></label><br/><br/> </td></tr> </li> <li> <tr><td> <?php _e( '<em>Keywords, separate by English commas. like MuFeng, Computer, Software</em>',THEME_NAME);?><br/> <textarea name="keywords" id="keywords" rows="1" cols="70" style="font-size:11px;width:100%;"><?php echo get_option('iphoto_keywords');?></textarea><br/> </td></tr> <tr><td> <?php _e( '<em>Description, explain what\'s this site about. like MuFeng, Breathing the wind</em>',THEME_NAME);?><br/> <textarea name="description" id="description" rows="3" cols="70" style="font-size:11px;width:100%;"><?php echo get_option('iphoto_description');?></textarea> </td></tr> </li> <li> <tr><td> <?php _e( 'You can get your Google Analytics code <a target="_blank" href="https://www.google.com/analytics/settings/check_status_profile_handler">here</a>.',THEME_NAME);?></label><br> <textarea name="analytics" id="analytics" rows="5" cols="70" style="font-size:11px;width:100%;"><?php echo stripslashes(get_option('iphoto_analytics'));?></textarea> </td></tr> </li> <li> <tr><td> <textarea name="copyright" id="copyright" rows="5" cols="70" style="font-size:11px;width:100%;"><?php if(stripslashes(get_option('iphoto_copyright'))!=''){echo stripslashes(get_option('iphoto_copyright'));}else{echo 'Copyright &copy; '.date('Y').' '.'<a href="'.home_url( '/').'" title="'.esc_attr( get_bloginfo( 'name') ).'">'.esc_attr( get_bloginfo( 'name') ).'</a> All rights reserved'; };?></textarea> <br/><em><?php _e( '<b>Preview</b>',THEME_NAME);?><span> : </span><span><?php if(stripslashes(get_option('iphoto_copyright'))!=''){echo stripslashes(get_option('iphoto_copyright'));}else{echo 'Copyright &copy; '.date('Y').' '.'<a href="'.home_url( '/').'" title="'.esc_attr( get_bloginfo( 'name') ).'">'.esc_attr( get_bloginfo( 'name') ).'</a> All rights reserved'; };?></span></em> </td></tr> </li> <li> <tr><td> <p><?php _e('iPhoto is created, developed and maintained by <a href="http://mufeng.me/">MuFeng</a>. If you like iPhoto, please donate. It will help in developing new features and versions.',THEME_NAME);?><?php _e('Alipay',THEME_NAME);?>:</strong> <a href="http://www.alipay.com" target="_blank" title="Alipay">[email protected]</a></p> <h3 style="color:#333" id="introduce"><?php _e( 'Introduction',THEME_NAME);?></h3> <p style="text-indent: 2em;margin:10px 0;"><?php _e( 'iPhoto is evolved from one theme of Tumblr and turned it into a photo theme which can be used at wordpress.',THEME_NAME);?></p> <h3 style="color:#333"><?php _e( 'Published Address',THEME_NAME);?></h3> <p id="release" style="text-indent: 2em;margin:10px 0;"><a href="http://mufeng.me/wordpress-theme-iphoto.html" target="_blank">http://mufeng.me/wordpress-theme-iphoto.html</a></p> <h3 style="color:#333"><?php _e( 'Preview Address',THEME_NAME);?></h3> <p id="preview" style="text-indent: 2em;margin:10px 0;"><a href="http://mufeng.me/photo/" target="_blank">http://mufeng.me/photo/</a></p> <h3 style="color:#333" id="bug"><?php _e( 'Report Bugs',THEME_NAME);?></h3> <p style="text-indent: 2em;margin:10px 0;"><?php _e( 'Weibo <a href="http://weibo.com/meapo" target="_blank">@mufeng.me</a> or leave a message at <a href="http://mufeng.me" target="_blank">http://mufeng.me</a>?',THEME_NAME);?></p> </td></tr> </li> </ul> </div> </div> <p class="submit"> <input type="submit" name="Submit" class="button-primary" value="<?php _e( 'Save Options',THEME_NAME);?>" /> <input type="hidden" name="iphoto_settings" value="save" style="display:none;" /> </p> </form> </div> <?php } ?>

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  • Best way to stop SQL Injection in PHP

    - by Andrew G. Johnson
    So specifically in a mysql database. Take the following code and tell me what to do. // connect to the mysql database $unsafe_variable = $_POST["user-input"]; mysql_query("INSERT INTO table (column) VALUES ('" . $unsafe_variable . "')"); // disconnect from the mysql database

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  • How do I show/hide an element in YUI as in jQuery?

    - by Chad Johnson
    In jQuery, when I want to show or hide something, I do this: $('#elementId').show(); $('#elementId').hide(); How do I do this with YUI? I've tried YAHOO.util.Dom.get('elementId').hide(), asked my co-workers, looked at the documentation, and searched Google, and I've found nothing helpful. From the documentation, it looks like this should work YAHOO.util.Dom.get('elementId').setStyle('display', 'none') but of course it does not. All I can think of is this, which sucks because then I'm not using a framework: document.getElementById('elementId').style.display = 'none';

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  • Implementing a 'Send Feedback' feature in a Java desktop application

    - by William
    I would like to implement a 'Send Feedback' option in a Java desktop application. One which will pop up a box for the user to enter a comment, then send it to us along with a screenshot of the application window. How would be the best way to communicate the data to us? Two obvious solutions spring to mind: Email - I'm thinking that the application would connect to an SMTP server set-up by us, with the username/password somehow hidden in the code. SMTP over SSL for security (not of the data being sent, but of the SMTP username/password). Web service - pretty self explanatory. Which of these would be best, or is there a better alternative?

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  • How can I disable 'output escaping' in minidom

    - by William
    I'm trying to build an xml document from scratch using xml.dom.minidom. Everything was going well until I tried to make a text node with a ® (Registered Trademark) symbol in. My objective is for when I finally hit print mydoc.toxml() this particular node will actually contain a ® symbol. First I tried: import xml.dom.minidom as mdom data = '®' which gives the rather obvious error of: File "C:\src\python\HTMLGen\test2.py", line 3 SyntaxError: Non-ASCII character '\xae' in file C:\src\python\HTMLGen\test2.py on line 3, but no encoding declared; see http://www.python.or g/peps/pep-0263.html for details I have of course also tried changing the encoding of my python script to 'utf-8' using the opening line comment method, but this didn't help. So I thought import xml.dom.minidom as mdom data = '&#174;' #Both accepted xml encodings for registered trademark data = '&reg;' text = mdom.Text() text.data = data print data print text.toxml() But because when I print text.toxml(), the ampersands are being escaped, I get this output: &reg; &amp;reg; My question is, does anybody know of a way that I can force the ampersands not to be escaped in the output, so that I can have my special character reference carry through to the XML document? Basically, for this node, I want print text.toxml() to produce output of &reg; or &#174; in a happy and cooperative way! EDIT 1: By the way, if minidom actually doesn't have this capacity, I am perfectly happy using another module that you can recommend which does. EDIT 2: As Hugh suggested, I tried using data = u'®' (while also using data # -*- coding: utf-8 -*- Python source tags). This almost helped in the sense that it actually caused the ® symbol itself to be outputted to my xml. This is actually not the result I am looking for. As you may have guessed by now (and perhaps I should have specified earlier) this xml document happens to be an HTML page, which needs to work in a browser. So having ® in the document ends up causing rubbish in the browser (® to be precise!). I also tried: data = unichr(174) text.data = data.encode('ascii','xmlcharrefreplace') print text.toxml() But of course this lead to the same origional problem where all that happens is the ampersand gets escaped by .toxml(). My ideal scenario would be some way of escaping the ampersand so that the XML printing function won't "escape" it on my behalf for the document (in other words, achieving my original goal of having &reg; or &#174; appear in the document). Seems like soon I'm going to have to resort to regular expressions! EDIT 2a: Or perhaps not. Seems like getting my html meta information correct <META http-equiv="Content-Type" Content="text/html; charset=UTF-8"> could help, but I'm not sure yet how this fits in with the xml structure...

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  • C#: Replicating keyboard shortcuts in textbox, how do I prevent the beep sound caused by alt key pre

    - by Michael Johnson
    I'm creating a routine that allows the user to replicate keyboard shortcuts into a textbox for 'custom keyboard shortcuts' customization, but everytime the alt key is pressed with another letter, it produces another sound. I'm capturing the keys in the textbox_keydown event to parse the modifiers + other keys into a readable Shift + A or Ctrl + Shift + B manner into that very same textbox. Should I be doing this in a different event like textbox_previewkey instead of textbox_keydown? How can I prevent the alt modifier key + a letter or number causing the Beep sound? the textbox is just a normal .net 3.5 textbox with the only edited properties of it being the ReadOnly property to false. Is there a better way I could re-do this? I'm currently just checking that if any modifiers keys are pressed and then + a-z or 0-9, then to go ahead and input the appropriately pressed keys into that same textbox like Shift + A or Ctrl + Shift + Y.

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  • Value Object and View Model Property

    - by William
    I am working on a solution that used DDD for architecture. I have a property in my ViewModel which points to a ValueObject, the view model also implements INotifyPropertyChanged interface. The value of the ValueObject will change as a user enters data on the front end. The problem I am running into is the value object is suppose to be immutable. How can I work around this issue? Thank you in advance.

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  • Hashing a python method to regenerate output when method is modified

    - by Seth Johnson
    I have a python method that has a deterministic result. It takes a long time to run and generates a large output: def time_consuming_method(): # lots_of_computing_time to come up with the_result return the_result I modify time_consuming_method from time to time, but I would like to avoid having it run again while it's unchanged. [Time_consuming_method only depends on functions that are immutable for the purposes considered here; i.e. it might have functions from Python libraries but not from other pieces of my code that I'd change.] The solution that suggests itself to me is to cache the output and also cache some "hash" of the function. If the hash changes, the function will have been modified, and we have to re-generate the output. Is this possible or a ridiculous idea? If this isn't a terrible idea, is the best implementation to write f = """ def ridiculous_method(): a = # # lots_of_computing_time return a """ , use the hashlib module to compute a hash for f, and use compile or eval to run it as code?

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  • Sync Algorithms

    - by Kristopher Johnson
    Are there any good references out there for sync algorithms? I'm interested in algorithms that synchronize the following kinds of data between multiple users: calendars documents lists and outlines I'm not just looking for synchronization of contents of directories a la rsync; I am interested in merging the data within individual files.

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  • cocoa -- What is the proper way to tell an NSWindow to redisplay its contents?

    - by William Jockusch
    According to the NSWindow Class Reference, you should "rarely need to invoke" the NSWindow methods "display" or "setViewsNeedDisplay". So what is the usual way to redisplay the window's contents? EDIT: I am having trouble dealing with resizing events. I just want to have everything scale proportionally. See this question. As no one seems to have any ideas for using masks to get it to happen, I want to redraw the whole thing.

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  • Git: changes not reflecting on other checkouts - huh?

    - by Chad Johnson
    Okay, so, I have my branches (git branch -a): * chat master remotes/origin/HEAD -> origin/master remotes/origin/chat I make changes (still with the 'chat' branch checkout out), commit, and push. I go to my server, on which I have a clone of the repository, and I do a fetch: git getch then I switch to the chat branch: git checkout --track -b chat origin/chat and I event do a pull, just to make sure everything is up to date: git pull and my changes from my other computer are NOT. THERE. What the heck am I doing wrong? If I had hair, I would have pulled it out. Thankfully I am bald. When I try a 'git commit' again, I get this # On branch chat # Changed but not updated: # (use "git add/rm <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: app/controllers/chat_controller.rb # modified: app/views/dashboard/index.html.erb # modified: app/views/dashboard/layout.js.erb # modified: app/views/layouts/dashboard.html.erb # deleted: app/views/project/.tmp_edit.html.erb.55742~ # deleted: app/views/project/.tmp_edit.html.erb.83482~ # modified: public/stylesheets/dashboard/layout.css # # Untracked files: # (use "git add <file>..." to include in what will be committed) # # .loadpath # .project # config/database.yml # config/environments/development.yml # config/environments/production.yml # config/environments/test.yml # log/ no changes added to commit (use "git add" and/or "git commit -a")

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