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• Dealing with Anti-Microsoft Trolls on The Internet

  - by FlySwat

  I'm an active member on Programming Reddit, but I'm one of the few C# advocates there. I could write up a 3 paragraph explanation of how to do something there, just to have it voted into the negatives because I used C# as an example. As a developer using the "Microsoft Stack", how do you handle the trolls and bigots in the online world? These are the kind of people who say things like "M$", or that Vista sucks without ever booting up. Do you just ignore the trolls?

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• Disabling FileSystemWatcher for specific updates?

  - by chaiguy

  Does anyone have any ideas how I can reliably disable a FileSystemWatcher object when my application makes changes to the files in the directory, so that I am only watching for external changes to the directory? I've tried setting EnableRaisingEvents to false immediately before performing a write and setting it back to true immediately after, but it seems this method is not reliable, and occasionally I still get the event firing. The only other thing I can think of is to wait a small amount of time after performing the write to let the OS finish up the modification of the directory before re-enabling the FSW, but that seems hackish and I don't like it. To add to the problem, the directory consists of potentially many files, the identities of which are beyond my knowledge and control, so I can't just wait for the event to fire for a specific file and then ignore it. There could be any number of FSW events firing after a single modification (because of the potentially many files getting updated).

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• Identifying PHP unused variables (in Emacs)?

  - by Roberto Aloi

  Is it somehow possible to identify unused variables in a PHP file in Emacs? With other languages, this is possible by using tools such as flymake. I've already enabled Flymake to show syntax errors for my PHP files on the fly, but still it's frustrating that PHP logic errors are sometimes due to situations like: <?php $foo = whatever(); $bar = something($fo); ... Note the typo on $foo that will contribute to the developer's headache and to his exorbitant use of coffee.

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• Determining Long Tap (Long Press, Tap Hold) on Android with jQuery

  - by Volomike

  I've been able to successfully play with the touchstart, touchmove, and touchend events on Android using jQuery and an HTML page. Now I'm trying to see what the trick is to determine a long tap event, where one taps and holds for 3 seconds. I can't seem to figure this out yet. I'm wanting to this purely in jQuery without Sencha Touch, JQTouch, jQMobile, etc. I like the concept of jQTouch, although it doesn't provide me a whole lot and some of my code breaks with it. With Sencha Touch, I'm not a fan of moving away from jQuery into Ext.js and some new way of doing Javascript abstraction, especially when jQuery is so capable. So, I want to figure this out with jQuery alone. I've been able to do many jQTouch and Sencha Touch things on my own using jQuery. And jQMobile is still too beta and not directed enough to the Android yet.

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• Massive speed diff in upgrade to Java 7

  - by Brett Rigby

  We use Java within our build process, as it is used to resolve/publish our dependencies via Ivy. No problem, nor have we had with it for 2 years, until we've tried to upgrade Java 6 Update 26 to Version 7 Update 7, whereas a build on a local developer PC (WinXP) now takes 2 hours to complete, instead of 10 minutes!! Nothing else has changed on the PC, making it the absolute target for our concerns. Does anyone know of any reason as to why version 7 of Java would make such a speed difference like this?

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• ACTION_MY_PACKAGE_REPLACED not received

  - by Ton

  I am using ACTION_MY_PACKAGE_REPLACED to receive when my app is updated or resinstalled. My problem is that the event is never triggered (I tried Eclipse and real device). This is what I do: Manifest: <receiver android:name=".MyEventReceiver" > <intent-filter android:priority="1000" > <action android:name="android.intent.action.ACTION_MY_PACKAGE_REPLACED" /> </intent-filter> </receiver> Code: public class MyEventReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if ("android.intent.action.ACTION_MY_PACKAGE_REPLACED".equals(intent.getAction())) { //Restart services } } } This code is simple, in real one I used other events like BOOT_COMPLETED and others, and they work but ACTION_MY_PACKAGE_REPLACED. Thanks.

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• WCF DataContract class with methods

  - by jmlaplante

  This is more of a philosophical/best-practice sort of question rather than a technical problem. Are there any strong arguments against writing a DataContract class with methods that are to be used server-side only? Or what about additional properties that are not decorated with the DataMember attribute? For example: [DataContract] public class LogEntry { [DataMember] public string Message { get; set; } [DataMember] public string Severity { get; set; } public string SomeOtherProperty { get; set; } ... public void WriteToDatabase() { ... } } Not doing it seems like an awful lot of extra work that I would prefer to avoid, although using extension methods could make it easier. But, as a good developer, I am wondering if it is bad practice to do so.

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• Add programmatically clickable Button with custom Views layouted in InterfaceBuilder

  - by allisone

  I have a UIScrollView. In there I add buttons programmatically. Right now I just use UIButton and set one title. But I need to have an UIImage View in there, that will change upon certain events, Text that will change too etc. and I would like to style that in Interface Builder, but I can't figure out how to do this. Which class should I extend, and what kind of xib should I create and what in there, so that in the end I can make the right connections and so that I can listen for UIControlEventTouchDown of that Button.

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• Java preferences API throughput

  - by Domchi

  I'm using Java Preferences API to store window position and size of Swing application. At this moment, I'm listening to window resize/reposition events and storing the position and size every time they change. However, that means that if user slowly resizes window which is 200px wide to 400px wide, I'll probably write new window size about 200 times during pretty short time. Preferences API uses whichever datastore is available on the host system (windows registry for Windows etc.) - but the question is, what are limitations or best practices for properties API? Is it OK, or would it be smart to write only when user has finished resizing? Anyone had experiences with Properties API on different platforms?

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• What is the relationship between IRimTable and PersistenceStore?

  - by Martin

  The BlackBerry Desktop API has the interface IRimTable which apparently maps an "application database" on a BlackBerry device to a virtual structure (i.e, IRimTable has IRimRecords, each of which has IRimField) that developer can browse the handheld device data when it is connected to a desktop computer. Meanwhile, applications in the handheld device can store its data in PersistenceStore databases. The point where I'm stuck is the PersistenceStore API doesn't define any Table or Records or Fields. Does anybody knows what is the relationship between these two classes? And how does the mapping work (if at all) ?

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• gwt typeahead missing

  - by arinte

  I have a GWT app with a bunch of textboxes. In firefox I would expect that when I type a word in a textbox that I have already typed in and submitted, that firefox would offer to autocomplete that text. But for this GWT app it is not happening. Also in IE it seems that none of my css stuff is loaded. And when I IE developer tools on my GWT page, it can focus in on any of the textboxes it just focuses on the encompassing DIV around all the textboxes.

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• How secure is my website?

  - by Doug

  As a beginning web developer, I try my best to clean up all the user inputs through checks and what not. However, today, I found out my website was hacked (I'll share their website on request) and it really made my wonder how did they do it. I'm in the process of getting my website back together. What should I do to prevent these things? Is there people I should talk to and ask how secure my website is? What can I do to to keep my website safe?

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• How to disable the third zoom button in webview of Android ?

  - by mob-king

  I want to disable the third button that creates a rectangle to zoom in other than +/- buttons in my WebView which uses builtin zoom controls. How can I do that ? I am able to do this for WebView without using built-in zoom controls by myWebview.getZoomControls().getTouchables().get(2).setVisibility(View.INVISIBLE); But how to do the same for built-in zoom controls ? Also I am extending the WebView class and overriding the onTouchEvent for tracking touch events inside my WebView as this is not possible by default, since zoom buttons consumes the touch event.

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• Run a function when a DOM element is created

  - by Ed Woodcock

  Hi folks, I want to bind an event to a certain class and ID for when matching objects are created in the DOM. I am doing this as I have some jQuery code in an ASP UpdatePanel, which causes the DOM to be re-loaded on its partial postback. I have reset the events with live(), however I need to call a 2 line initialisation function as soon as the elements are created. Is there any way to attach this to live(), or some other jQuery function, or will I have to write code to do this myself? Thanks, Ed

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• Tab versus space indentation in C#

  - by Lars Fastrup

  I sometimes find myself discussing this issue with other C# developers and especially if we use different styles. I can see the advantage of tab indentation allowing different developers to browse the code with their favorite indent size. Nonetheless, I long ago went for two space indentation in my C# code and have stuck with it ever since. Mainly because I often disliked the way statements spanning multiple lines are sometimes messed up when viewing code from other developers using another tab size. Recently a developer at one of my clients approached me and asked why I did not use tabs because he preferred to view code with an indentation size of 4. So my question is: Which style do you prefer and why?

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• How to stop Javascript from showing default image and only text for link?

  - by tokyowp

  The Javascript below has a default image, but I would like display text "only text url" for this link instead of this button at this link http://developer.mixi.co.jp/wp-content/uploads/2010/09/bt_check_1.gif that this script defaults to. Is this possible? <div> <a href="http://mixi.jp/share.pl" class="mixi-check-button" data-key="some-data-key" data-url="http://someurl.com">only text url </a> <script type="text/javascript" src="http://static.mixi.jp/js/share.js"></script> </div>

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• jQuery hyperlinks - href value?

  - by Tom

  Hi, On my website I use jQuery to hook the events of elements, namely hyperlinks. As these hyperlinks only perform actions on the current page, and do not lead anywhere, I have been putting a href attribute of "#" in: <a href="#">My Link</a> However in some browsers this causes the page to scroll right to top which is obviously undesirable behaviour. I've tried using a blank href value, or not including one, but then the mouse does not change to the hand cursor upon hovering. What should I put in there?

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• deriving activity diagram-based GUIs and CRUD them with a DB?

  - by Xin Tanaka

  i received a big book full of processes. i was thinking about the end user (they will be lawyers) and decided the best GUI would be showing activity diagrams or business processes. It reminded me Quickbooks and how non-accountants can successfully use it and understand accounting processes. i began doing research before sending my project to a bunch of programmers: is there some open source solution? can i use MS Visio libraries? which UML tool is programable? what about Eclipse and its modeling tools? etc etc the key points here are: relationships between events, artifacts, actors, etc should be stored in a database. processes or steps in a process should be easily modified by updating the database do this sounds too crazy? (should I explain a bit more why it must be programmed this way?)

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• Limit on FileReference uploads?!

  - by Rudy

  Hello, I am currently uploading files in ActionScript 3 using the upload() method of the FileReference class. I built an uploader than can do simultaneous or parallel uploads, having a variable set the number of maximum uploads at a time. I noticed that for Internet Explorer I could be uploading 10 or more files simultaneously, but FireFox and Safari seems to cap the number of uploads to 2. That is, when I call the upload method on per say, 3 files, only 2 will get events back (such as ProgressEvent.PROGRESS). Only when one of the 2 uploads finishes, then the 3rd one will start. This behavior does not happen for Internet Explorer. I have tried with a large number of files, and some big files, to make sure this behavior was consistent. I was wondering if anyone noticed this behavior please, and if so, what is the reason for this behavior please? I appreciate your help, Thank you very much, Rudy

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• Event handling for keyboard strokes

  - by david

  Hey, I'm trying to get familiar with the whole keyboard event detection thing. Here's my sample code. <fx:Script> <![CDATA[ import flash.events.KeyboardEvent; import mx.controls.Alert; private function init():void{ addEventListener(KeyboardEvent.KEY_DOWN,reportKeyDown); } private function reportKeyDown(event:KeyboardEvent):void { Alert.show("a key was pressed"); } ]]> </fx:Script> As you can see, I'm at stage 0 of playing around with it, but it won't work. Anyone has any idea what I should be doing instead? Thanks

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• Is there any valid reason radians are used as the inputs to trig function in many modern languages?

  - by johnmortal

  Is there any pressing reason trig functions should use radian inputs in modern programming languages? As far as I know radians are typically ugly to deal with except in three cases: (1) You want to compute an arc length and you know the angle of the arc and (2) You need to do symbolic calculus with trig functions (3) certain infinite series expansion look prettier if the input is in radians. None of these scenarios seem like a worthy justification for every programming language I am familiar with using radian inputs for Sin, Cos, Tangent, etc... The third one sounds good because it might mean one gets faster computations using radians (very slightly faster- the cost of one additional floating point multiplication ) , but I am dubious even of that because most commonly the developer had to take an extra step to put the angle in radians in the first place. The other two are ridiculous justifications for all the added obscurity.

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• AnkhSVN - How to remove old URLs from list of URLs in the "Open from Subversion" dialog box

  - by user2942597

  I work for a small company and am the sole developer using AnkhSVN to version my code. For the server side I am using VisualSVN v2.5.8. The server is installed on my own machine (on a different drive). I have a few repositories that I created about two years ago that have been working fine. We recently completed an Active Directory Domain Rename (that's another story) so the FQDN of my machine changed so the domain portion is no longer the same as what it was when the server portion was installed. I managed to get AnkhSVN to connect to the repositories so everything is working again but the URL list that comes up on the "Open from Subversion" dialog box still has all the old URLs. How can I remove them? I've searched everywhere I can think of looking for this list but can't seem to find it anywhere. Any suggestions would be greatly appreciated. Chuck R.

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• How can I call a method on a custom object created in JavaScript using C#?

  - by just in case

  I have a WebBrowser control. I have added some JavaScript into the head tag and I can see it is working as expected by adding an alert. Inside of this js I am creating a function and adding some members to it's prototype like so: function test() { } test.prototype.run = function() { alert('success!') } function createTest() { return new test() } Then back inside of C# I am doing: dynamic test = this.browser.InvokeScript("createTest"); test.run(); I can see that the test object is some ComObject but when I call run() nothing happens. I get no error but nothing happens. Does anyone know how to call this type of custom object? Also suppose I wanted to get rid of the createTest() method, how can I create a new instance of test from C#? Also, for bonus points, is there anything special I need to know about attaching events to this custom object (on say a 'complete' member) such that it will callback into my C# code?

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• Flash CS, reference root from external class

  - by Lotus

  Hi, I made this class and I put it in the same package of Timeline.as (the Document Class): package { import flash.utils.Timer; import flash.events.TimerEvent; public class Counter2 extends Timer { public function Counter2(delay:Number, repeatCount:int=0) { super(delay, repeatCount); super.addEventListener(TimerEvent.TIMER, timerHandler); } public override function start():void { super.start(); } public override function stop():void { super.stop(); } public function timerHandler(evt:TimerEvent) { trace(evt.target.currentCount); } } } This class is instanciated in Timeline.as constructor. Is there any way to reference Timeline(root) from this class? And, if so, how? Thanks!

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• database table in Magento does not exist: sales_flat_shipment_grid

  - by dene

  We're using Magento 1.4.0.1 and want to use an extension from a 3rd party developer. The extension does not work, because of a join to the table "sales_flat_shipment_grid": $collection = $model->getCollection()->join('sales/shipment_grid', 'increment_id=shipment', array('order_increment_id'=>'order_increment_id', 'shipping_name' =>'shipping_name'), null,'left'); Unfortunately this table does not exist n our database. So the error "Can't retrieve entity config: sales/shipment_grid" appears. If I comment this part out, the extension is working, but I guess, it does not proper work. Does anybody know something about this table? There are a backend-option for the catalog to use the "flat table" option, but this is only for the catalog. And the tables already exists, no matter which option is checked. Thank you a lot! :-)

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