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  • MYSQL Event to update another database table

    - by Lee
    Hey All, I have just taken over a project for a client and the database schema is in a total mess. I would like to rename a load of fields make it a relationship database. But doing this will be a painstaking process as they have an API running of it also. So the idea would be to create a new database and start re-writing the code to use this instead. But I need a way to keep these tables in sync during this process. Would you agree that I should use MYSQL EVENT's to keep updating the new table on Inserts / updates & deletes?? Or can you suggest a better way?? Hope you can advise !! thanks for any input I get

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  • Getting A File's Mime Type In Java

    - by Lee Theobald
    I was just wondering how most people fetch a mime type from a file in Java? So far I've tried two utils: JMimeMagic & Mime-Util. The first gave me memory exceptions, the second doesn't close its streams off properly. I was just wondering if anyone else had a method/library that they used and worked correctly?

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  • Conflict between two Javascripts (MailChimp validation etc. scripts & jQuery hSlides.js)

    - by Brian
    I have two scripts running on the same page, one is the jQuery.hSlides.js script http://www.jesuscarrera.info/demos/hslides/ and the other is a custom script that is used for MailChimp list signup integration. The hSlides panel can be seen in effect here: http://theatricalbellydance.com. I've turned off the MailChimp script because it was conflicting with the hSlides script, causing it not to to fail completely (as seen here http://theatricalbellydance.com/home2/). Can someone tell me what could be done to the hSlides script to stop the conflict with the MailChimp script? The MailChimp Script var fnames = new Array(); var ftypes = new Array(); fnames[0] = 'EMAIL'; ftypes[0] = 'email'; fnames[3] = 'MMERGE3'; ftypes[3] = 'text'; fnames[1] = 'FNAME'; ftypes[1] = 'text'; fnames[2] = 'LNAME'; ftypes[2] = 'text'; fnames[4] = 'MMERGE4'; ftypes[4] = 'address'; fnames[6] = 'MMERGE6'; ftypes[6] = 'number'; fnames[9] = 'MMERGE9'; ftypes[9] = 'text'; fnames[5] = 'MMERGE5'; ftypes[5] = 'text'; fnames[7] = 'MMERGE7'; ftypes[7] = 'text'; fnames[8] = 'MMERGE8'; ftypes[8] = 'text'; fnames[10] = 'MMERGE10'; ftypes[10] = 'text'; fnames[11] = 'MMERGE11'; ftypes[11] = 'text'; fnames[12] = 'MMERGE12'; ftypes[12] = 'text'; var err_style = ''; try { err_style = mc_custom_error_style; } catch (e) { err_style = 'margin: 1em 0 0 0; padding: 1em 0.5em 0.5em 0.5em; background: rgb(255, 238, 238) none repeat scroll 0% 0%; font-weight: bold; float: left; z-index: 1; width: 80%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; color: rgb(255, 0, 0);'; } var mce_jQuery = jQuery.noConflict(); mce_jQuery(document).ready(function ($) { var options = { errorClass: 'mce_inline_error', errorElement: 'div', errorStyle: err_style, onkeyup: function () {}, onfocusout: function () {}, onblur: function () {} }; var mce_validator = mce_jQuery("#mc-embedded-subscribe-form").validate(options); options = { url: 'http://theatricalbellydance.us1.list-manage.com/subscribe/post-json?u=1d127e7630ced825cb1a8b5a9&id=9f12d2a6bb&c=?', type: 'GET', dataType: 'json', contentType: "application/json; charset=utf-8", beforeSubmit: function () { mce_jQuery('#mce_tmp_error_msg').remove(); mce_jQuery('.datefield', '#mc_embed_signup').each(function () { var txt = 'filled'; var fields = new Array(); var i = 0; mce_jQuery(':text', this).each(function () { fields[i] = this; i++; }); mce_jQuery(':hidden', this).each(function () { if (fields[0].value == 'MM' && fields[1].value == 'DD' && fields[2].value == 'YYYY') { this.value = ''; } else if (fields[0].value == '' && fields[1].value == '' && fields[2].value == '') { this.value = ''; } else { this.value = fields[0].value + '/' + fields[1].value + '/' + fields[2].value; } }); }); return mce_validator.form(); }, success: mce_success_cb }; mce_jQuery('#mc-embedded-subscribe-form').ajaxForm(options); }); function mce_success_cb(resp) { mce_jQuery('#mce-success-response').hide(); mce_jQuery('#mce-error-response').hide(); if (resp.result == "success") { mce_jQuery('#mce-' + resp.result + '-response').show(); mce_jQuery('#mce-' + resp.result + '-response').html(resp.msg); mce_jQuery('#mc-embedded-subscribe-form').each(function () { this.reset(); }); } else { var index = -1; var msg; try { var parts = resp.msg.split(' - ', 2); if (parts[1] == undefined) { msg = resp.msg; } else { i = parseInt(parts[0]); if (i.toString() == parts[0]) { index = parts[0]; msg = parts[1]; } else { index = -1; msg = resp.msg; } } } catch (e) { index = -1; msg = resp.msg; } try { if (index == -1) { mce_jQuery('#mce-' + resp.result + '-response').show(); mce_jQuery('#mce-' + resp.result + '-response').html(msg); } else { err_id = 'mce_tmp_error_msg'; html = '<div id="' + err_id + '" style="' + err_style + '"> ' + msg + '</div>'; var input_id = '#mc_embed_signup'; var f = mce_jQuery(input_id); if (ftypes[index] == 'address') { input_id = '#mce-' + fnames[index] + '-addr1'; f = mce_jQuery(input_id).parent().parent().get(0); } else if (ftypes[index] == 'date') { input_id = '#mce-' + fnames[index] + '-month'; f = mce_jQuery(input_id).parent().parent().get(0); } else { input_id = '#mce-' + fnames[index]; f = mce_jQuery().parent(input_id).get(0); } if (f) { mce_jQuery(f).append(html); mce_jQuery(input_id).focus(); } else { mce_jQuery('#mce-' + resp.result + '-response').show(); mce_jQuery('#mce-' + resp.result + '-response').html(msg); } } } catch (e) { mce_jQuery('#mce-' + resp.result + '-response').show(); mce_jQuery('#mce-' + resp.result + '-response').html(msg); } } } The hslides script: /* * hSlides (1.0) // 2008.02.25 // <http://plugins.jquery.com/project/hslides> * * REQUIRES jQuery 1.2.3+ <http://jquery.com/> * * Copyright (c) 2008 TrafficBroker <http://www.trafficbroker.co.uk> * Licensed under GPL and MIT licenses * * hSlides is an horizontal accordion navigation, sliding the panels around to reveal one of interest. * * Sample Configuration: * // this is the minimum configuration needed * $('#accordion').hSlides({ * totalWidth: 730, * totalHeight: 140, * minPanelWidth: 87, * maxPanelWidth: 425 * }); * * Config Options: * // Required configuration * totalWidth: Total width of the accordion // default: 0 * totalHeight: Total height of the accordion // default: 0 * minPanelWidth: Minimum width of the panel (closed) // default: 0 * maxPanelWidth: Maximum width of the panel (opened) // default: 0 * // Optional configuration * midPanelWidth: Middle width of the panel (centered) // default: 0 * speed: Speed for the animation // default: 500 * easing: Easing effect for the animation. Other than 'swing' or 'linear' must be provided by plugin // default: 'swing' * sensitivity: Sensitivity threshold (must be 1 or higher) // default: 3 * interval: Milliseconds for onMouseOver polling interval // default: 100 * timeout: Milliseconds delay before onMouseOut // default: 300 * eventHandler: Event to open panels: click or hover. For the hover option requires hoverIntent plugin <http://cherne.net/brian/resources/jquery.hoverIntent.html> // default: 'click' * panelSelector: HTML element storing the panels // default: 'li' * activeClass: CSS class for the active panel // default: none * panelPositioning: Accordion panelPositioning: top -> first panel on the bottom and next on the top, other value -> first panel on the top and next to the bottom // default: 'top' * // Callback funtctions. Inside them, we can refer the panel with $(this). * onEnter: Funtion raised when the panel is activated. // default: none * onLeave: Funtion raised when the panel is deactivated. // default: none * * We can override the defaults with: * $.fn.hSlides.defaults.easing = 'easeOutCubic'; * * @param settings An object with configuration options * @author Jesus Carrera <[email protected]> */ (function($) { $.fn.hSlides = function(settings) { // override default configuration settings = $.extend({}, $.fn.hSlides.defaults, settings); // for each accordion return this.each(function(){ var wrapper = this; var panelLeft = 0; var panels = $(settings.panelSelector, wrapper); var panelPositioning = 1; if (settings.panelPositioning != 'top'){ panelLeft = ($(settings.panelSelector, wrapper).length - 1) * settings.minPanelWidth; panels = $(settings.panelSelector, wrapper).reverse(); panelPositioning = -1; } // necessary styles for the wrapper $(this).css('position', 'relative').css('overflow', 'hidden').css('width', settings.totalWidth).css('height', settings.totalHeight); // set the initial position of the panels var zIndex = 0; panels.each(function(){ // necessary styles for the panels $(this).css('position', 'absolute').css('left', panelLeft).css('zIndex', zIndex).css('height', settings.totalHeight).css('width', settings.maxPanelWidth); zIndex ++; // if this panel is the activated by default, set it as active and move the next (to show this one) if ($(this).hasClass(settings.activeClass)){ $.data($(this)[0], 'active', true); if (settings.panelPositioning != 'top'){ panelLeft = ($(settings.panelSelector, wrapper).index(this) + 1) * settings.minPanelWidth - settings.maxPanelWidth; }else{ panelLeft = panelLeft + settings.maxPanelWidth; } }else{ // check if we are centering and some panel is active // this is why we can't add/remove the active class in the callbacks: positioning the panels if we have one active if (settings.midPanelWidth && $(settings.panelSelector, wrapper).hasClass(settings.activeClass) == false){ panelLeft = panelLeft + settings.midPanelWidth * panelPositioning; }else{ panelLeft = panelLeft + settings.minPanelWidth * panelPositioning; } } }); // iterates through the panels setting the active and changing the position var movePanels = function(){ // index of the new active panel var activeIndex = $(settings.panelSelector, wrapper).index(this); // iterate all panels panels.each(function(){ // deactivate if is the active if ( $.data($(this)[0], 'active') == true ){ $.data($(this)[0], 'active', false); $(this).removeClass(settings.activeClass).each(settings.onLeave); } // set position of current panel var currentIndex = $(settings.panelSelector, wrapper).index(this); panelLeft = settings.minPanelWidth * currentIndex; // if the panel is next to the active, we need to add the opened width if ( (currentIndex * panelPositioning) > (activeIndex * panelPositioning)){ panelLeft = panelLeft + (settings.maxPanelWidth - settings.minPanelWidth) * panelPositioning; } // animate $(this).animate({left: panelLeft}, settings.speed, settings.easing); }); // activate the new active panel $.data($(this)[0], 'active', true); $(this).addClass(settings.activeClass).each(settings.onEnter); }; // center the panels if configured var centerPanels = function(){ var panelLeft = 0; if (settings.panelPositioning != 'top'){ panelLeft = ($(settings.panelSelector, wrapper).length - 1) * settings.minPanelWidth; } panels.each(function(){ $(this).removeClass(settings.activeClass).animate({left: panelLeft}, settings.speed, settings.easing); if ($.data($(this)[0], 'active') == true){ $.data($(this)[0], 'active', false); $(this).each(settings.onLeave); } panelLeft = panelLeft + settings.midPanelWidth * panelPositioning ; }); }; // event handling if(settings.eventHandler == 'click'){ $(settings.panelSelector, wrapper).click(movePanels); }else{ var configHoverPanel = { sensitivity: settings.sensitivity, interval: settings.interval, over: movePanels, timeout: settings.timeout, out: function() {} } var configHoverWrapper = { sensitivity: settings.sensitivity, interval: settings.interval, over: function() {}, timeout: settings.timeout, out: centerPanels } $(settings.panelSelector, wrapper).hoverIntent(configHoverPanel); if (settings.midPanelWidth != 0){ $(wrapper).hoverIntent(configHoverWrapper); } } }); }; // invert the order of the jQuery elements $.fn.reverse = function(){ return this.pushStack(this.get().reverse(), arguments); }; // default settings $.fn.hSlides.defaults = { totalWidth: 0, totalHeight: 0, minPanelWidth: 0, maxPanelWidth: 0, midPanelWidth: 0, speed: 500, easing: 'swing', sensitivity: 3, interval: 100, timeout: 300, eventHandler: 'click', panelSelector: 'li', activeClass: false, panelPositioning: 'top', onEnter: function() {}, onLeave: function() {} }; })(jQuery);

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  • Handler for change of value using SliderBar in GWT

    - by Lee
    I'm using the SliderBar from the GWT Incubator in one of my current projects. I want to add a handler which fires whenever the value of the slider changes, but I'm not sure which handler I need to add to get this to work, or whether I need to write one of my own. Thanks

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  • Why does setting this member in C fail?

    - by Lee Crabtree
    I'm writing a Python wrapper for a C++ library, and I'm getting a really weird when trying to set a struct's field in C. If I have a struct like this: struct Thing { PyOBJECT_HEAD unsigned int val; }; And have two functions like this: static PyObject* Thing_GetBit(Thing* self, PyObject* args) { unsigned int mask; if(!PyArg_ParseTuple(args, "I", &mask) Py_RETURN_FALSE; if((self->val & mask) != 0) Py_RETURN_TRUE; Py_RETURN_FALSE; } static PyObject* Thing_SetBit(Thing* self, PyObject* args) { unsigned int mask; bool on; if(!PyArg_ParseTuple(args, "Ii", &mask, &on)) Py_RETURN_FALSE; if(on) thing->val |= mask; else thing->val &= ~mask; Py_RETURN_TRUE; } Python code that calls the first method works just fine, giving back the value of the struct member. Calls to the SetBit method give an error about an object at address foo accessing memory at address bar, which couldn't be "written". I've poked around the code, and it's like I can look at the value all I want, both from C and Python, but the instant I try to set it, it blows up in my face. Am I missing something fundamental here?

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  • Windows Batch file to echo a specific line number

    - by Lee
    So for the second part of my current dilemma, I have a list of folders in c:\file_list.txt. I need to be able to extract them (well, echo them with some mods) based on the line number because this batch script is being called by an iterative macro process. I'm passing the line number as a parameter. @echo off setlocal enabledelayedexpansion set /a counter=0 set /a %%a = "" for /f "usebackq delims=" %%a in (c:\file_list.txt) do ( if "!counter!"=="%1" goto :printme & set /a counter+=1 ) :printme echo %%a which gives me an output of %a. Doh! So, I've tried echoing !a! (result: ECHO is off.); I've tried echoing %a (result: a) I figured the easy thing to do would be to modify the head.bat code found here: http://stackoverflow.com/questions/130116/dos-batch-commands-to-read-first-line-from-text-file except rather than echoing every line - I'd just echo the last line found. Not as simple as one might think. I've noticed that my counter is staying at zero for some reason; I'm wondering if the set /a counter+=1 is doing what I think it's doing.

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  • jQuery animate on an image replacement

    - by Lee
    Hey All Hope you can advise I would like to add some simple fade in out of an image replacement which I have hooked into a select menu.ie, $("#vehicle").change(function(){ var selected = $(this).val(); $("#selectedVehicle").attr('src', '/assets/images/mini/'+selected+'.png'); }); <img id="selectedVehicle" src="/assets/v2/images/select-vehicle.png"> any suggestions how I can do it? Thanks in advanced

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  • Set top level directory to be handled by Perl?

    - by Sam Lee
    I have an Apache server set up to use mod_perl. I have it set up to handle all requests using a Perl module MyModule. Here is part of my httpd.conf: LoadModule perl_module modules/mod_perl.so <Directory /> Order Deny,Allow Allow from all </Directory> PerlModule MyModule <Location /> SetHandler modperl PerlResponseHandler MyModule </Location> This seems to work fine, except top level directory (ie. www.mysite.com/) is not being sent to MyModule. What's going wrong?

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  • Authenticate username and password

    - by Alice Lee
    I have a MMC client that runs on a .Net system, that invokes web methods on a server running on a linux box. The first task the client needs to do is to perform user login. It prompts the user for username and password. What is the best way for the client to authenticate the user's credentials. The password cannot be sent as plain text. The web server implements a web method called ValidateUser().

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  • Authlogic remember_me on signup

    - by Lee
    We want to have remember_me enabled when the user signs up. When logging in its really easy to do this, how do to we do this on signup though, as we're literally only creating a User object?

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  • Why does Keychain Services return the wrong keychain content?

    - by Graham Lee
    I've been trying to use persistent keychain references in an iPhone application. I found that if I created two different keychain items, I would get a different persistent reference each time (they look like 'genp.......1', 'genp.......2', …). However, attempts to look up the items by persistent reference always returned the content of the first item. Why should this be? I confirmed that my keychain-saving code was definitely creating new items in each case (rather than updating existing items), and was not getting any errors. And as I say, Keychain Services is giving a different persistent reference for each item. I've managed to solve my immediate problem by searching for keychain items by attribute rather than persistent references, but it would be easier to use persistent references so I'd appreciate solving this problem. Here's my code: - (NSString *)keychainItemWithName: (NSString *)name { NSString *path = [GLApplicationSupportFolder() stringByAppendingPathComponent: name]; NSData *persistentRef = [NSData dataWithContentsOfFile: path]; if (!persistentRef) { NSLog(@"no persistent reference for name: %@", name); return nil; } NSArray *refs = [NSArray arrayWithObject: persistentRef]; //get the data CFMutableDictionaryRef params = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CFDictionaryAddValue(params, kSecMatchItemList, refs); CFDictionaryAddValue(params, kSecClass, kSecClassGenericPassword); CFDictionaryAddValue(params, kSecReturnData, kCFBooleanTrue); CFDataRef item = NULL; OSStatus result = SecItemCopyMatching(params, (CFTypeRef *)&item); CFRelease(params); if (result != errSecSuccess) { NSLog(@"error %d retrieving keychain reference for name: %@", result, name); return nil; } NSString *token = [[NSString alloc] initWithData: (NSData *)item encoding: NSUTF8StringEncoding]; CFRelease(item); return [token autorelease]; } - (void)setKeychainItem: (NSString *)newToken forName: (NSString *)name { NSData *tokenData = [newToken dataUsingEncoding: NSUTF8StringEncoding]; //firstly, find out whether the item already exists NSDictionary *searchAttributes = [NSDictionary dictionaryWithObjectsAndKeys: name, kSecAttrAccount, kCFBooleanTrue, kSecReturnAttributes, nil]; NSDictionary *foundAttrs = nil; OSStatus searchResult = SecItemCopyMatching((CFDictionaryRef)searchAttributes, (CFTypeRef *)&foundAttrs); if (noErr == searchResult) { NSMutableDictionary *toStore = [foundAttrs mutableCopy]; [toStore setObject: tokenData forKey: (id)kSecValueData]; OSStatus result = SecItemUpdate((CFDictionaryRef)foundAttrs, (CFDictionaryRef)toStore); if (result != errSecSuccess) { NSLog(@"error %d updating keychain", result); } [toStore release]; return; } //need to create the item. CFMutableDictionaryRef params = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CFDictionaryAddValue(params, kSecClass, kSecClassGenericPassword); CFDictionaryAddValue(params, kSecAttrAccount, name); CFDictionaryAddValue(params, kSecReturnPersistentRef, kCFBooleanTrue); CFDictionaryAddValue(params, kSecValueData, tokenData); NSData *persistentRef = nil; OSStatus result = SecItemAdd(params, (CFTypeRef *)&persistentRef); CFRelease(params); if (result != errSecSuccess) { NSLog(@"error %d from keychain services", result); return; } NSString *path = [GLApplicationSupportFolder() stringByAppendingPathComponent: name]; [persistentRef writeToFile: path atomically: NO]; [persistentRef release]; }

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  • Zip codes in Radius Google Map

    - by Lee
    Hope someone can advise, I would like to be able to use google map API to find all Zip codes/cities with x Miles of a point. Has anyone done such a thing with google map or maybe some other type of service. Would love to know if so how you have achieved it ! Thank you if you can advise.

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  • how to use Remote Service ?

    - by LEE YONGGUN
    Hi im trying to use Remote Service btween two simple application, But its not easy to me. So any advice you have will help me. here`s my case. I made one app which is playing Music in service, There are two components. one is Activity controlling service by using three buttons, play,pause, stop. and it is working fine. and another one is just simple Activity which also has four buttons bind,play,stop,unbind. when i click bind, it`s confirmed by Toast msg, but when i click play button,it occurs error. i want to control first activitys Music playing service in second Activity. So im trying to use remote service. i made same .aidl file in each app project. In aidl file, i defined methods "playing","stoping" and i implement those methods in Music service class, implementation is simply use intent and startService & stopService. In DDMS there is "java.lang.SecurityException : Binder invocation to an incorrect interface" thats the case what im doing. So please tell me what`s the problem. any advice could help me. thanks Gun.

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  • Photo uploading via email

    - by Lee
    I'd like to be able to upload photos via email, which I've seen (and used) on eat.ly and meetups.jquery.com but I haven't been able to work out how to do this, does anyone have a solution? Essentially I believe the process should be something like this: 1) user adds picture to email on mobile device then send to a specific email address, say '[email protected]' 2) email server, cron job or something else looks at the senders address and tells it to add the attachement to that account 3) photo shows up on users profile page I run Apache servers, with MySQL, PHP, and a JQuery framework. I have email servers running Courier, and I missing anything?

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  • Jquery selectors by CSS class in IE is really slow--workarounds?

    - by Sam Lee
    I have a web app where I have several elements with class="classA". I want to select and apply a function to all of them. I am doing the obvious thing, which is $(".classA").each(function () { ... }). This works just fine in Chrome/Safari/Firefox but is really slow in IE. It turns out IE has serious performance issues when selecting things by CSS class in jQuery. I was wondering if anyone has suggestions on good ways to deal with this. I can't use ID selectors because there can be multiple DOM elements I want to select.

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  • Is there a pretty print for PHP?

    - by Aaron Lee
    I'm fixing some PHP scripts and I'm missing ruby's pretty printer. i.e. require 'pp' arr = {:one => 1} pp arr will output {:one = 1}. This even works with fairly complex objects and makes digging into an unknown script much easier. Is there some way to duplicate this functionality in PHP?

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  • Tips on refactoring existing .net applications to support localization?

    - by Lee Warner
    We're going global. I've been tasked with refactoring our existing products to support localization. Last week I shunned using resource files (.resx) in favor of a home-baked database look-up method. After hitting a serious snag with that, I'm back to the microsoft way of using resx. All the documentation I've seen so far details how to create new "World-Ready" applications, but I don't see anything on changing existing applications. Is my only recourse to touch the application form by form and control by control to have it point to newly created resource files? Any good sources/links for internationalizing your apps?

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  • Parse Facebook API data using loop for getting fan page ID#s?

    - by Brandon Lee
    I've been learning how to parse json data returned from the facebook-api. I've figured out how to fetch fan pages from a specific profile id and want to parse them using a loop! Heres the code and example I have below: This is the data I get back from the facebook-api Array ( [0] => Array ( [page_id] => XXXXXX60828 ) [1] => Array ( [page_id] => XXXXXX0750 ) [2] => Array ( [page_id] => XXXXXX91225 ) [3] => Array ( [page_id] => XXXXXX1960343 ) [4] => Array ( [page_id] => XXXXXX60863 ) [5] => Array ( [page_id] => XXXXXX8582 ) ) I need to be able to put this data in a loop and extract the page_id#s out... still getting familiar with json and am having issues figuring this out? How can I get this in a loop using for each and strip out the page id#s?

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  • UILabel displaying Unicode Characters

    - by Lee Armstrong
    Hello, I have an NSString that then sets a UILabel. This contains unicode such as... E = MC Hammer\U00ac\U2264 and complete ones such as \U2013\U00ee\U2013\U00e6\U2013\U2202\U2013\U220f\U2013\U03c0 \U2013\U00ee\U2013\U220f\U2013\U03c0\U2013\U00aa\U2013\U221e\U2014\U00c5 These are not displaying correctly, is there anything I need to do to parse these at all?

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  • NSNumberFormatter customize?

    - by Frederick C. Lee
    I wish to use NSNumberFormatter to merely attached a percent ('%') to the supplied number WITHOUT having it multiplied by 100. The canned kCFNumberFormatterPercentStyle automatically x100 which I don't want. For example, converting 5.0 to 5.0% versus 500%. Using the following: NSNumberFormatter *percentFormatter = [[NSNumberFormatter alloc] init]; [percentFormatter setNumberFormat:@"##0.00%;-##0.00%"]; But 'setNumberFormat' doesn't exist in NSNumberFomatter. I need to use this NSNumberFormatter for my Core-Plot label. How can I customize NSNumberFormat? Ric.

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  • Function signature-like expressions as C++ template arguments

    - by Jeff Lee
    I was looking at Don Clugston's FastDelegate mini-library and noticed a weird syntactical trick with the following structure: TemplateClass< void( int, int ) > Object; It almost appears as if a function signature is being used as an argument to a template instance declaration. This technique (whose presence in FastDelegate is apparently due to one Jody Hagins) was used to simplify the declaration of template instances with a semi-arbitrary number of template parameters. To wit, it allowed this something like the following: // A template with one parameter template<typename _T1> struct Object1 { _T1 m_member1; }; // A template with two parameters template<typename _T1, typename _T2> struct Object2 { _T1 m_member1; _T2 m_member2; }; // A forward declaration template<typename _Signature> struct Object; // Some derived types using "function signature"-style template parameters template<typename _Dummy, typename _T1> struct Object<_Dummy(_T1)> : public Object1<_T1> {}; template<typename _Dummy, typename _T1, typename _T2> struct Object<_Dummy(_T1, _T2)> : public Object2<_T1, _T2> {}; // A. "Vanilla" object declarations Object1<int> IntObjectA; Object2<int, char> IntCharObjectA; // B. Nifty, but equivalent, object declarations typedef void UnusedType; Object< UnusedType(int) > IntObjectB; Object< UnusedType(int, char) > IntCharObjectB; // C. Even niftier, and still equivalent, object declarations #define DeclareObject( ... ) Object< UnusedType( __VA_ARGS__ ) > DeclareObject( int ) IntObjectC; DeclareObject( int, char ) IntCharObjectC; Despite the real whiff of hackiness, I find this kind of spoofy emulation of variadic template arguments to be pretty mind-blowing. The real meat of this trick seems to be the fact that I can pass textual constructs like "Type1(Type2, Type3)" as arguments to templates. So here are my questions: How exactly does the compiler interpret this construct? Is it a function signature? Or, is it just a text pattern with parentheses in it? If the former, then does this imply that any arbitrary function signature is a valid type as far as the template processor is concerned? A follow-up question would be that since the above code sample is valid code, why doesn't the C++ standard just allow you to do something like the following, which is does not compile? template<typename _T1> struct Object { _T1 m_member1; }; // Note the class identifier is also "Object" template<typename _T1, typename _T2> struct Object { _T1 m_member1; _T2 m_member2; }; Object<int> IntObject; Object<int, char> IntCharObject;

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  • How do I get my dependenices inject using @Configurable in conjunction with readResolve()

    - by bmatthews68
    The framework I am developing for my application relies very heavily on dynamically generated domain objects. I recently started using Spring WebFlow and now need to be able to serialize my domain objects that will be kept in flow scope. I have done a bit of research and figured out that I can use writeReplace() and readResolve(). The only catch is that I need to look-up a factory in the Spring context. I tried to use @Configurable(preConstruction = true) in conjunction with the BeanFactoryAware marker interface. But beanFactory is always null when I try to use it in my createEntity() method. Neither the default constructor nor the setBeanFactory() injector are called. Has anybody tried this or something similar? I have included relevant class below. Thanks in advance, Brian /* * Copyright 2008 Brian Thomas Matthews Limited. * All rights reserved, worldwide. * * This software and all information contained herein is the property of * Brian Thomas Matthews Limited. Any dissemination, disclosure, use, or * reproduction of this material for any reason inconsistent with the * express purpose for which it has been disclosed is strictly forbidden. */ package com.btmatthews.dmf.domain.impl.cglib; import java.io.InvalidObjectException; import java.io.ObjectStreamException; import java.io.Serializable; import java.lang.reflect.InvocationTargetException; import java.util.HashMap; import java.util.Map; import org.apache.commons.beanutils.PropertyUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.BeanFactory; import org.springframework.beans.factory.BeanFactoryAware; import org.springframework.beans.factory.annotation.Configurable; import org.springframework.util.StringUtils; import com.btmatthews.dmf.domain.IEntity; import com.btmatthews.dmf.domain.IEntityFactory; import com.btmatthews.dmf.domain.IEntityID; import com.btmatthews.dmf.spring.IEntityDefinitionBean; /** * This class represents the serialized form of a domain object implemented * using CGLib. The readResolve() method recreates the actual domain object * after it has been deserialized into Serializable. You must define * &lt;spring-configured/&gt; in the application context. * * @param <S> * The interface that defines the properties of the base domain * object. * @param <T> * The interface that defines the properties of the derived domain * object. * @author <a href="mailto:[email protected]">Brian Matthews</a> * @version 1.0 */ @Configurable(preConstruction = true) public final class SerializedCGLibEntity<S extends IEntity<S>, T extends S> implements Serializable, BeanFactoryAware { /** * Used for logging. */ private static final Logger LOG = LoggerFactory .getLogger(SerializedCGLibEntity.class); /** * The serialization version number. */ private static final long serialVersionUID = 3830830321957878319L; /** * The application context. Note this is not serialized. */ private transient BeanFactory beanFactory; /** * The domain object name. */ private String entityName; /** * The domain object identifier. */ private IEntityID<S> entityId; /** * The domain object version number. */ private long entityVersion; /** * The attributes of the domain object. */ private HashMap<?, ?> entityAttributes; /** * The default constructor. */ public SerializedCGLibEntity() { SerializedCGLibEntity.LOG .debug("Initializing with default constructor"); } /** * Initialise with the attributes to be serialised. * * @param name * The entity name. * @param id * The domain object identifier. * @param version * The entity version. * @param attributes * The entity attributes. */ public SerializedCGLibEntity(final String name, final IEntityID<S> id, final long version, final HashMap<?, ?> attributes) { SerializedCGLibEntity.LOG .debug("Initializing with parameterized constructor"); this.entityName = name; this.entityId = id; this.entityVersion = version; this.entityAttributes = attributes; } /** * Inject the bean factory. * * @param factory * The bean factory. */ public void setBeanFactory(final BeanFactory factory) { SerializedCGLibEntity.LOG.debug("Injected bean factory"); this.beanFactory = factory; } /** * Called after deserialisation. The corresponding entity factory is * retrieved from the bean application context and BeanUtils methods are * used to initialise the object. * * @return The initialised domain object. * @throws ObjectStreamException * If there was a problem creating or initialising the domain * object. */ public Object readResolve() throws ObjectStreamException { SerializedCGLibEntity.LOG.debug("Transforming deserialized object"); final T entity = this.createEntity(); entity.setId(this.entityId); try { PropertyUtils.setSimpleProperty(entity, "version", this.entityVersion); for (Map.Entry<?, ?> entry : this.entityAttributes.entrySet()) { PropertyUtils.setSimpleProperty(entity, entry.getKey() .toString(), entry.getValue()); } } catch (IllegalAccessException e) { throw new InvalidObjectException(e.getMessage()); } catch (InvocationTargetException e) { throw new InvalidObjectException(e.getMessage()); } catch (NoSuchMethodException e) { throw new InvalidObjectException(e.getMessage()); } return entity; } /** * Lookup the entity factory in the application context and create an * instance of the entity. The entity factory is located by getting the * entity definition bean and using the factory registered with it or * getting the entity factory. The name used for the definition bean lookup * is ${entityName}Definition while ${entityName} is used for the factory * lookup. * * @return The domain object instance. * @throws ObjectStreamException * If the entity definition bean or entity factory were not * available. */ @SuppressWarnings("unchecked") private T createEntity() throws ObjectStreamException { SerializedCGLibEntity.LOG.debug("Getting domain object factory"); // Try to use the entity definition bean final IEntityDefinitionBean<S, T> entityDefinition = (IEntityDefinitionBean<S, T>)this.beanFactory .getBean(StringUtils.uncapitalize(this.entityName) + "Definition", IEntityDefinitionBean.class); if (entityDefinition != null) { final IEntityFactory<S, T> entityFactory = entityDefinition .getFactory(); if (entityFactory != null) { SerializedCGLibEntity.LOG .debug("Domain object factory obtained via enity definition bean"); return entityFactory.create(); } } // Try to use the entity factory final IEntityFactory<S, T> entityFactory = (IEntityFactory<S, T>)this.beanFactory .getBean(StringUtils.uncapitalize(this.entityName) + "Factory", IEntityFactory.class); if (entityFactory != null) { SerializedCGLibEntity.LOG .debug("Domain object factory obtained via direct look-up"); return entityFactory.create(); } // Neither worked! SerializedCGLibEntity.LOG.warn("Cannot find domain object factory"); throw new InvalidObjectException( "No entity definition or factory found for " + this.entityName); } }

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  • OpenGL ES 1.1 vs 2.0 for 2D Graphics, with rotated sprites?

    - by Lee Olayvar
    I am having trouble finding information related to which i should choose, OpenGL ES 1.1 or 2.0 for 2D graphics. OpenGL ES 1.1 on Android is a bit limited to my knowledge, and based purely on sprite count the only useful renderer is draw_texture() (as far as i know). However, that does not have rotation and rotation is very important to me. Now with the NDK adding support for OpenGL ES 2.0, i am trying to figure out if there is anything that preforms as well as draw_texture(), but can handle rotation. Anyone have any information on if 2.0 can help me in this area?

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