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  • WPF Custom TextBox ContextMenuOpening Problem

    - by Tom Allen
    I've got an issue with a custom control that I've written not firing it's ContextMenuOpening event when I hook it up programatically. The control is basically a wrapper for the standard TextBox: public class MyTextBox : TextBox { public MyTextBox() { this.ContextMenuOpening += new ContextMenuEventHandler(MyTextBox_ContextMenuOpening); } void MyTextBox_ContextMenuOpening(object sender, ContextMenuEventArgs e) { MessageBox.Show("ContextMenuOpening event fired"); } } There's nothing suspect either about the XAML: <local:MyTextBox Height="25" Width="300"/> For some reason though, I can never get the event to fire. I'm trying to intercept the context menu so I can alter it (it's context sensitive) and really am trying to avoid having to hook up the event everywhere the control is used - surely this is possible?

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  • Accessing Squid Proxy over internet

    - by prateekdayal
    Hi, I recently finished installing Squid on a VPS I have in the US and its working fine locally (I verified by setting http_proxy variable and using lynx). I want to access this proxy over the internet (as an anonymizer) so that I can see how some ads show up for US traffic on my website. I have setup authentication so abuse is not a problem. However, I am not able to access the proxy over the internet. I have set the following rule in squid.conf http_access allow all Is this not possible to do what I want or I am missing something? The port 3128 is open in the firewall so that is not an issue. Squid is running on 0.0.0.0 Thanks Prateek

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  • The Art of Productivity

    - by dwahlin
    Getting things done has always been a challenge regardless of gender, age, race, skill, or job position. No matter how hard some people try, they end up procrastinating tasks until the last minute. Some people simply focus better when they know they’re out of time and can’t procrastinate any longer. How many times have you put off working on a term paper in school until the very last minute? With only a few hours left your mental energy and focus seem to kick in to high gear especially as you realize that you either get the paper done now or risk failing. It’s amazing how a little pressure can turn into a motivator and allow our minds to focus on a given task. Some people seem to specialize in procrastinating just about everything they do while others tend to be the “doers” who get a lot done and ultimately rise up the ladder at work. What’s the difference between these types of people? Is it pure laziness or are other factors at play? I think that some people are certainly more motivated than others, but I also think a lot of it is based on the process that “doers” tend to follow - whether knowingly or unknowingly. While I’ve certainly fought battles with procrastination, I’ve always had a knack for being able to get a lot done in a relatively short amount of time. I think a lot of my “get it done” attitude goes back to the the strong work ethic my parents instilled in me at a young age. I remember my dad saying, “You need to learn to work hard!” when I was around 5 years old. I remember that moment specifically because I was on a tractor with him the first time I heard it while he was trying to move some large rocks into a pile. The tractor was big but so were the rocks and my dad had to balance the tractor perfectly so that it didn’t tip forward too far. It was challenging work and somewhat tedious but my dad finished the task and taught me a few important lessons along the way including persistence, the importance of having a skill, and getting the job done right without skimping along the way. In this post I’m going to list a few of the techniques and processes I follow that I hope may be beneficial to others. I blogged about the general concept back in 2009 but thought I’d share some updated information and lessons learned since then. Most of the ideas that follow came from learning and refining my daily work process over the years. However, since most of the ideas are common sense (at least in my opinion), I suspect they can be found in other productivity processes that are out there. Let’s start off with one of the most important yet simple tips: Start Each Day with a List. Start Each Day with a List What are you planning to get done today? Do you keep track of everything in your head or rely on your calendar? While most of us think that we’re pretty good at managing “to do” lists strictly in our head you might be surprised at how affective writing out lists can be. By writing out tasks you’re forced to focus on the most important tasks to accomplish that day, commit yourself to those tasks, and have an easy way to track what was supposed to get done and what actually got done. Start every morning by making a list of specific tasks that you want to accomplish throughout the day. I’ll even go so far as to fill in times when I’d like to work on tasks if I have a lot of meetings or other events tying up my calendar on a given day. I’m not a big fan of using paper since I type a lot faster than I write (plus I write like a 3rd grader according to my wife), so I use the Sticky Notes feature available in Windows. Here’s an example of yesterday’s sticky note: What do you add to your list? That’s the subject of the next tip. Focus on Small Tasks It’s no secret that focusing on small, manageable tasks is more effective than trying to focus on large and more vague tasks. When you make your list each morning only add tasks that you can accomplish within a given time period. For example, if I only have 30 minutes blocked out to work on an article I don’t list “Write Article”. If I do that I’ll end up wasting 30 minutes stressing about how I’m going to get the article done in 30 minutes and ultimately get nothing done. Instead, I’ll list something like “Write Introductory Paragraphs for Article”. The next day I may add, “Write first section of article” or something that’s small and manageable – something I’m confident that I can get done. You’ll find that once you’ve knocked out several smaller tasks it’s easy to continue completing others since you want to keep the momentum going. In addition to keeping my tasks focused and small, I also make a conscious effort to limit my list to 4 or 5 tasks initially. I’ve found that if I list more than 5 tasks I feel a bit overwhelmed which hurts my productivity. It’s easy to add additional tasks as you complete others and you get the added benefit of that confidence boost of knowing that you’re being productive and getting things done as you remove tasks and add others. Getting Started is the Hardest (Yet Easiest) Part I’ve always found that getting started is the hardest part and one of the biggest contributors to procrastination. Getting started working on tasks is a lot like getting a large rock pushed to the bottom of a hill. It’s difficult to get the rock rolling at first, but once you manage to get it rocking some it’s really easy to get it rolling on its way to the bottom. As an example, I’ve written 100s of articles for technical magazines over the years and have really struggled with the initial introductory paragraphs. Keep in mind that these are the paragraphs that don’t really add that much value (in my opinion anyway). They introduce the reader to the subject matter and nothing more. What a waste of time for me to sit there stressing about how to start the article. On more than one occasion I’ve spent more than an hour trying to come up with 2-3 paragraphs of text.  Talk about a productivity killer! Whether you’re struggling with a writing task, some code for a project, an email, or other tasks, jumping in without thinking too much is the best way to get started I’ve found. I’m not saying that you shouldn’t have an overall plan when jumping into a task, but on some occasions you’ll find that if you simply jump into the task and stop worrying about doing everything perfectly that things will flow more smoothly. For my introductory paragraph problem I give myself 5 minutes to write out some general concepts about what I know the article will cover and then spend another 10-15 minutes going back and refining that information. That way I actually have some ideas to work with rather than a blank sheet of paper. If I still find myself struggling I’ll write the rest of the article first and then circle back to the introductory paragraphs once I’m done. To sum this tip up: Jump into a task without thinking too hard about it. It’s better to to get the rock at the top of the hill rocking some than doing nothing at all. You can always go back and refine your work.   Learn a Productivity Technique and Stick to It There are a lot of different productivity programs and seminars out there being sold by companies. I’ve always laughed at how much money people spend on some of these motivational programs/seminars because I think that being productive isn’t that hard if you create a re-useable set of steps and processes to follow. That’s not to say that some of these programs/seminars aren’t worth the money of course because I know they’ve definitely benefited some people that have a hard time getting things done and staying focused. One of the best productivity techniques I’ve ever learned is called the “Pomodoro Technique” and it’s completely free. This technique is an extremely simple way to manage your time without having to remember a bunch of steps, color coding mechanisms, or other processes. The technique was originally developed by Francesco Cirillo in the 80s and can be implemented with a simple timer. In a nutshell here’s how the technique works: Pick a task to work on Set the timer to 25 minutes and work on the task Once the timer rings record your time Take a 5 minute break Repeat the process Here’s why the technique works well for me: It forces me to focus on a single task for 25 minutes. In the past I had no time goal in mind and just worked aimlessly on a task until I got interrupted or bored. 25 minutes is a small enough chunk of time for me to stay focused. Any distractions that may come up have to wait until after the timer goes off. If the distraction is really important then I stop the timer and record my time up to that point. When the timer is running I act as if I only have 25 minutes total for the task (like you’re down to the last 25 minutes before turning in your term paper….frantically working to get it done) which helps me stay focused and turns into a “beat the clock” type of game. It’s actually kind of fun if you treat it that way and really helps me focus on a the task at hand. I automatically know how much time I’m spending on a given task (more on this later) by using this technique. I know that I have 5 minutes after each pomodoro (the 25 minute sprint) to waste on anything I’d like including visiting a website, stepping away from the computer, etc. which also helps me stay focused when the 25 minute timer is counting down. I use this technique so much that I decided to build a program for Windows 8 called Pomodoro Focus (I plan to blog about how it was built in a later post). It’s a Windows Store application that allows people to track tasks, productive time spent on tasks, interruption time experienced while working on a given task, and the number of pomodoros completed. If a time estimate is given when the task is initially created, Pomodoro Focus will also show the task completion percentage. I like it because it allows me to track my tasks, time spent on tasks (very useful in the consulting world), and even how much time I wasted on tasks (pressing the pause button while working on a task starts the interruption timer). I recently added a new feature that charts productive and interruption time for tasks since I wanted to see how productive I was from week to week and month to month. A few screenshots from the Pomodoro Focus app are shown next, I had a lot of fun building it and use it myself to as I work on tasks.   There are certainly many other productivity techniques and processes out there (and a slew of books describing them), but the Pomodoro Technique has been the simplest and most effective technique I’ve ever come across for staying focused and getting things done.   Persistence is Key Getting things done is great but one of the biggest lessons I’ve learned in life is that persistence is key especially when you’re trying to get something done that at times seems insurmountable. Small tasks ultimately lead to larger tasks getting accomplished, however, it’s not all roses along the way as some of the smaller tasks may come with their own share of bumps and bruises that lead to discouragement about the end goal and whether or not it is worth achieving at all. I’ve been on several long-term projects over my career as a software developer (I have one personal project going right now that fits well here) and found that repeating, “Persistence is the key!” over and over to myself really helps. Not every project turns out to be successful, but if you don’t show persistence through the hard times you’ll never know if you succeeded or not. Likewise, if you don’t persistently stick to the process of creating a daily list, follow a productivity process, etc. then the odds of consistently staying productive aren’t good.   Track Your Time How much time do you actually spend working on various tasks? If you don’t currently track time spent answering emails, on phone calls, and working on various tasks then you might be surprised to find out that a task that you thought was going to take you 30 minutes ultimately ended up taking 2 hours. If you don’t track the time you spend working on tasks how can you expect to learn from your mistakes, optimize your time better, and become more productive? That’s another reason why I like the Pomodoro Technique – it makes it easy to stay focused on tasks while also tracking how much time I’m working on a given task.   Eliminate Distractions I blogged about this final tip several years ago but wanted to bring it up again. If you want to be productive (and ultimately successful at whatever you’re doing) then you can’t waste a lot of time playing games or on Twitter, Facebook, or other time sucking websites. If you see an article you’re interested in that has no relation at all to the tasks you’re trying to accomplish then bookmark it and read it when you have some spare time (such as during a pomodoro break). Fighting the temptation to check your friends’ status updates on Facebook? Resist the urge and realize how much those types of activities are hurting your productivity and taking away from your focus. I’ll admit that eliminating distractions is still tough for me personally and something I have to constantly battle. But, I’ve made a conscious decision to cut back on my visits and updates to Facebook, Twitter, Google+ and other sites. Sure, my Klout score has suffered as a result lately, but does anyone actually care about those types of scores aside from your online “friends” (few of whom you’ve actually met in person)? :-) Ultimately it comes down to self-discipline and how badly you want to be productive and successful in your career, life goals, hobbies, or whatever you’re working on. Rather than having your homepage take you to a time wasting news site, game site, social site, picture site, or others, how about adding something like the following as your homepage? Every time your browser opens you’ll see a personal message which helps keep you on the right track. You can download my ubber-sophisticated homepage here if interested. Summary Is there a single set of steps that if followed can ultimately lead to productivity? I don’t think so since one size has never fit all. Every person is different, works in their own unique way, and has their own set of motivators, distractions, and more. While I certainly don’t consider myself to be an expert on the subject of productivity, I do think that if you learn what steps work best for you and gradually refine them over time that you can come up with a personal productivity process that can serve you well. Productivity is definitely an “art” that anyone can learn with a little practice and persistence. You’ve seen some of the steps that I personally like to follow and I hope you find some of them useful in boosting your productivity. If you have others you use please leave a comment. I’m always looking for ways to improve.

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  • Using FOP to generate french PDF document, having problem with œ character.

    - by Gautham
    I am using iso-8859-15 encoding both in xml data and in the xslt style sheet. But when I try convert XML doc to FO document 'œ' does'nt show up it shows up as '?' Below is the example of the problem I am facing. The xml data is as follows: Nous sommes sous l'emprise du Divin cœur de Celui que mon fils vénère par-dessus in the fo file the same line is generated as : --------Nous sommes sous l'emprise du Divin c?ur de Celui que mon fils vénère par-dessus As you see all the other accents are getting generated fine except for the 'œ'character. Any help is greatly appreciated. This one issue is holding up a project.

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  • Howto I get the user domain\username and Display name From SharePoint People Picker InternalId?

    - by Benjamin Wong
    I have been trying to user sharepoint designer to retrieve the user's full name and even the domain\username from the people pucker field but the problem is I tend to get numbers. It looks like the intetrnal Id. In my case I am getting 14 instead of domain\username from the list form's field. Any idea on where I can get the dmain\username or even better the full name? Thanks !! I am using SharePoint Designer and Windows Sharepoint Services 3/SharePoint 2007. Update : I have managed to get the domain\username now. I just had to change the people picker's show field to ID. However now I am getting a weird prefix on my domain\username. I am getting this -1;#domain\username instead of just domain\username. Anybody know how I can overcome this? Thanks !!

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  • modalpopupextender and commas appearing in my textbox asp.net

    - by SLC
    Some weird stuff is happening, I am converting an application that used to use javascript to open another web page in a tiny window for data input to use a ModalPopupExtender. It seems to work fine, but in the OK event, when I do txtData.Text (the textbox in my modal popup), it comes back with a comma before the data, so if you type "Rabbit", it comes back as ",Rabbit". Also when I use it multiple times, in another place where I might click to show it, and type "Fish", it starts coming back with stuff like ",Rabbit,,Fish" I don't know why or how to stop it from doing this... any ideas?

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  • jQuery accordion menu - keep accordion menu open to the page I am on

    - by MelissaTA
    Hi everyone, I hope you can help. I'm very new to jQuery and am working on a five- or six-level accordion menu for my side navigation. I got the majority of the code I have so far from Dane Peterson @ daneomatic.com (thanks Dane!). But, I'm stuck on one thing: I'd like to have my accordion/tree work like this: When I navigate down into, say, level three, and click on the link to open the page linked to that level, how do I indicate once the level three page loads that I'm on that page? Also, how do I keep the tree open to that level when I load the page? I guess what I'm asking is: is there a way for the accordion/tree to automatically update to show what page you're at, and have the tree open to that level? Thanks in advance!

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  • Initializing SD card in SPI issues

    - by Sembazuru
    Sorry for the length of this question, but I thought it best to show as much detail to fend of questions asking if I had done A when I had already done A... ;-) I've had a look at the "micro-SD card initialization using SPI interface" thread and didn't see any answers that matched my issue (i.e. things I haven't already tried). I have a similar issue where I'm trying to access a SD card through a micro-controller's SPI interface (specifically an HC908). I've tried following the flow charts in the Physical Layer Simplified Specification v2.00 and it seems to initialize correctly on Transcend 1GB & 2GB and an AE&C 1GB card. But I'm having problems on 3 other random cards from my stash of old cards that I've used on my camera. My code is all HC908 assembler. I scoped out the SPI clock line and during initialization it's running about 350kHz (the only speed multiplier that the HC908 supplies at my low MCU clock speed that falls within the 100-400kHz window). Here are the results of the three cards that aren't completing my initialization routine (all done consecutively w/o changing any code or timing parameters): Canon 16Meg card (labeled as SD): Set card select high Send 80 SPI clock cycles (done by writing 0xFF 10 times) Set card select low Send CMD0 [0x400000000095] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (indicates idle) Send CMD8 [0x48000001AA87] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command) Because illegal command set local flag to indicate v1 or MMC card Send CMD58 [0x7A00000000FD] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command) because illegal command branch to error routine Send CMD13 [0x4D000000000D] (show status buffer) and Loop up to 8 times waiting for high bit on response to go low R1= 0x05 (idle and illegal command) Is the illegal command flag stuck? Should I be doing something after CMD8 to clear that flag? SanDisk UltraII 256Meg Set card select high Send 80 SPI clock cycles (done by writing 0xFF 10 times) Set card select low Send CMD0 [0x400000000095] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle) Send CMD8 [0x48000001AA87] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command) Because illegal command set local flag to indicate v1 or MMC card Send CMD58 [0x7A00000000FD] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle) Send 0xFF 4 times to read OCR OCR = 0xFFFFFFFF Send CMD55 [0x770000000065] (1st part of ACMD41) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle) Send CMD41 [0x6900000000E5] (2nd part of ACMD41) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command) Because illegal command, assume card is MMC Send CMD1 [0x4100000000F9] (for MMC) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command) Repeat the CMD1 50 times (my arbitrary number to wait until idle clears) Every R1 response is 0x05 (idle and illegal command) Why is OCR all F? Doesn't seem proper at all. Also, why does ACMD41 and CMD1 respond illegal command? Is CMD1 failing because the card is waiting for a valid ACMD after the CMD55 even with the illegal command response? SanDisk ExtremeIII 2G: Set card select high Send 80 SPI clock cycles (done by writing 0xFF 10 times) Set card select low Send CMD0 [0x400000000095] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle) Send CMD8 [0x40000001AA87] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x7F (??? My loop shows the responses for each iteration and I got 0xFF 0xFF 0xC1 0x7F... is the card getting out of sync?) Send CMD58 [0x7A00000000FD] and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle and back in sync) Send 0xFF 4 times to read OCR OCR = 0x00FF80 Send CMD55 [0x770000000065] (1st part of ACMD41) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x5F (??? loop responses are 0xFF 0xFF 0xF0 0x5F... again out of sync?) Send CMD41 [0x6900000000E5] (2nd part of ACMD41) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x05 (idle and illegal command, but back in sync???) Because illegal command, assume card is MMC Send CMD1 [0x4100000000F9] (for MMC) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x7F (??? loop responses are 0xFF 0xFF 0xC1 0x7F... again out of sync?) Repeat CMD1 and Loop up to 8 times waiting for high bit on response to go low R1 = 0x01 (idle) Repeat CMD1 and Loop up to 8 times waiting for high bit on response to go low R1 = 0x7F (??? loop responses are 0xFF 0xFF 0xC1 0x7F... again out of sync?) Repeat CMD1 and Loop up to 8 times waiting for high bit on response to go low R1 = 0x00 (out of idle) Send CMD9 [0x4900000000AF] (get CSD) and Loop up to 8 times waiting for high bit on response to go low R1 = 0x3F (??? loop responses are 0xFF 0xFF 0xC1 0x3F... again out of sync?) Code craps out because Illegal command bit is high. WTF is wrong with that card? Sometimes in sync, other times not. (The above pattern is repeatable.) I've scoped this one out and I'm not seeing any rogue clock cycles going through between MOSI/MISO transfers. Anyone have any clues? Need any more info? Thanx in advance for spending the time to read through all of this.

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  • UIPopOver from MKAnnotation callout

    - by Nithin
    Hi all, i'm developing an application for iPad. I have a mapview with several annotations. I need to show a pop-over when the accessory callout method is called, so that the arrow of the popover will point towards the annotation. I am trying to use 'initWithRect' method of the popover, but i'm not getting the co-ordinates(the CGRect in view) of the annotation correctly. How can i get the co-ordinates of an annotation? I need to find out the location of that annotation in the view.

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  • WPF ComboBox text inside ListBox

    - by geosteve
    I've got a list of ComboBoxes inside a listbox, like so: <ListBox ItemsSource="{Binding Values}"> <ListBox.ItemTemplate> <DataTemplate> <ComboBox ItemsSource="{...}" IsTextSearchEnabled="True" IsEditable="True"/> </DataTemplate> </ListBox.ItemTemplate> </ListBox> The Values for my listbox ItemsSouce is defined in my ViewModel as public ObservableCollection<string> Values { get; set; } How can I get the Text for each one of the ComboBoxes to show the Value for that particular ListBox item? (i.e. if values is {"a", "b", "c"} I want a list of 3 comboboxes showing "a", "b" and "c")

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  • Playing a .wav sound file in JPanel/JFrame using Java (Swing)

    - by JavaIceCream
    I need some code example on how I would use a filepath from a harddrive location to then play a .wav sound file when opened in swing GUI. I don't need it to show a play button, or pause or stop. I just want it to play when I select the 'Sound' option from my 'Files' in my window (I know how to do that already, no need to explain that). So basically, just how to play a .wav sound file from a filepath (i.e. c:/cake/thereisnone.wav) inside of a JFrame. And how can I easily apply methods to that sound file afterwards. Also, if anyone knows how to apply methods on a BufferedImage in a JFrame, that would be helpful too. Thank you very much everyone!

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  • Using DropDownList in EditTemplates of a GridView

    - by vaibhav
    I am working on a GridView in Asp.Net. When initially a the Page Loads, my gridview look like: When a user clicks, to edit a row, I am using edit templates to show 'Domain' in a DropDownList. But problem is , when the DropDownlist gets load with data, it lost the current value of the 'Domain'. i.e If I want to edit 4th Row, its domain which is currently set to 'Computers' is getting changed to 'MBA' which is ofcourse the first element return by the DataSource. I want to display the current value ('computers') as the selected value in DropDownList. But I am unable to get the value of Domain, which is being edited.

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  • uploadify and absolute filepaths ?

    - by Haroldo
    can anyone with experience of the plugin see anything I'm doing wrong? var SITE_ROOT = 'http://localhost/hf_latest_desktop/'; $("#uploadify").uploadify({ 'uploader' : SITE_ROOT+'st_wd_assets/js/uploadify/scripts/uploadify.swf', 'script' : SITE_ROOT+'st_wd_assets/js/uploadify/scripts/uploadify.php', 'cancelImg' : SITE_ROOT+'st_wd_assets/js/uploadify/cancel.png', 'folder' : SITE_ROOT+'res/img/temp', 'auto' : true, 'multi' : false, 'buttonImg' : SITE_ROOT+'st_wd_assets/img/uploadify-button.png' }); it loads in the swf fine (can see it in firebug), however the upload button does not show and there is no functionality? edit: it looks like it could be something to do with it encoding the " : " entity in the absolute paths for example examining the .swf it the attributed are encoded ie: &buttonImg=http%3A//localhost/hf_latest_desktop/st_wd_assets/img/uploadify-button.png

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  • iPhone Development: CoreLocation and MapKit

    - by Mustafa
    How bad is it to use Location Manager to retrieve the location information when MapView.showUserLocation is also TRUE? I have a situation where i want to show the blue dot to indicate the user's current location, and i want to record the user's current location after some time interval. Having said that, there may be situations where the user's current location is now being shown, but i still want to get the user's current location. I think i'll have to use the Location Manager in my controller class, but setting showUserLocation = YES would mean that i'll be draining more battery since two Location Managers are working at the same time? Is this assumption correct?

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  • How to grey out spinner in Android?

    - by Janusz
    I use two Spinner in my App. One of them is initially disabled because I need the user to select something in the first spinner to load the content of the second one. I would like to change the design of the second spinner to show the user that the spinner is not active, eg. grey the spinner out. How can I achieve this? If this is not possible how would you change this dialog to make it clear to the user that she has to select something in the first spinner?

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  • How to interact with checkbox actions ? (QTableView with QStandardItemModel)

    - by Claire Huang
    I'm using QTableView and QStandardItemModel to show some data. For each row, there is a column which has a check Box, this check box is inserted by setItem, the code is as follows: int rowNum; QStandardItemModel *tableModel; QStandardItem* __tmpItem = new QStandardItem(); __tmpItem->setCheckable(true); __tmpItem->setCheckState(Qt::Unchecked); tableModel->setItem(rowNum,0,__tmpItem); Now I want to interact with the check box. If a check box changes its state by user (from checked to unchecked or vice versa), I want to do something on the corresponding data row. I know I can use signal-slot to catch the change of checkbox, but since there are lots of data row, I don't want to connect each row one by one. Is there anyway to interact with the check action more effectively? Thanks :)

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  • C# (ADO.Net): Defining DateDiff for a calculated column in a datatable

    - by Nir
    I have the column DateTimeExpired, and I would like to create another column called "Expired" which will show "Yes" or "No" according to the expiration date - "Yes" if the date has already passed. I wrote this: DataColumn colExpirationDate = new DataColumn("DateTimeExpired", typeof(DateTime)); DataColumn colExpired = new DataColumn("Expired", typeof(string), "IIF(DateDiff(DateTimeExpired, date())>= 0,'No','Yes')"); But I get an exception "The expression contains undefined function call DateDiff()." (please note that I always want to get the row, no matter if it's expired or not) How do I set the column's text to the correct form? Thanks!

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  • how to make UIAlertView with custom font , height and width?

    - by shreya
    Hi All, I want to show pop up of question with it's options. Each question have 3 options. Currently the text is not fitting in the UIAlertView. My UIalertView is in landscape mode. my questions are, 1) How to change the font and font size of UIAlertView message and Button? 2) How to increase the height and width of UIAlertView? OR please suggest me any other way , by which I implement the same pop up. Thanks .

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  • DBD::CSV: How can I generate different behavior with the two f_ext-options ".csv" and ".csv/r"?

    - by sid_com
    This is from the DBD::File-documentation: f_ext This attribute is used for setting the file extension where (CSV) files are opened. There are several possibilities. DBI:CSV:f_dir=data;f_ext=.csv In this case, DBD::File will open only table.csv if both table.csv and table exist in the datadir. The table will still be named table. If your datadir has files with extensions, and you do not pass this attribute, your table is named table.csv, which is probably not what you wanted. The extension is always case-insensitive. The table names are not. DBI:CSV:f_dir=data;f_ext=.csv/r In this case the extension is required, and all filenames that do not match are ignored. It was not possible for me to generate different behavior with the two options ".csv/r" and ".csv". Could someone show me an example, where I can see the difference between ".csv/r" and ".csv"?

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  • Codeigniter benchmarking, where are these ms coming from?

    - by ropstah
    I'm in the process of benchmarking my website. class Home extends Controller { function Home() { parent::Controller(); $this->benchmark->mark('Constructor_start'); $this->output->enable_profiler(TRUE); $this->load->library ('MasterPage'); $this->benchmark->mark('Constructor_end'); } function index() { $this->benchmark->mark('Index_start'); $this->masterpage->setMasterPage('master/home'); $this->masterpage->addContent('home/index', 'page'); $this->masterpage->show(); $this->benchmark->mark('Index_start'); } } These are the results: Loading Time Base Classes: 0.0076 Constructor: 0.0007 Index: 0.0440 Controller Execution Time ( Home/ Index ): 0.4467 Total Execution Time: 0.4545` I understand the following: Loading Time Base Classes (0.0076) Constructor (0.0007) Index (0.0440) But where is the rest of the time coming from?

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  • Can't get iPhone device token

    - by d.andreykiv
    Hi. I'm trying to get iPhone device token using following code - (void)applicationDidFinishLaunching:(UIApplication *)application { // Override point for customization after app launch [window addSubview:viewController.view]; [window makeKeyAndVisible]; NSLog(@"Registering for push notifications..."); [application registerForRemoteNotificationTypes:UIRemoteNotificationTypeBadge|UIRemoteNotificationTypeAlert]; } - (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)newDeviceToken { NSLog(@"Registered!@@"); } - (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error { NSLog(@"application:didFailToRegisterForRemoteNotificationsWithError: %@", error); if ([error code] != 3010) // 3010 is for the iPhone Simulator { // show some alert or otherwise handle the failure to register. } } but only getting "2010-04-02 18:23:35.434 Untitled[3133:207] Registering for push notifications..." What I was doing wrong?

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  • How to use a SOAP API in ASP.NET?

    - by jonhobbs
    Hi, I've trying to use the API for CapsuleCRM... http://capsulecrm.com/help/page/api_gettingstarted I've been reading some articles on SOAP in asp.net and I just don't get it. Most of them seem to be ablut creating a web service, not using it and none of them seem to explain how to use basic HTTP authentication. I have got as far as constructing the XML i want to send to the API but I could really do with seeing some example code which makes an http call using http authentication to a SOAP API. Maybe I'm just searching for the wrong thing but I've drawn a blank so far. Can anybody show me how? Jon

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  • Can I turn off context menu scrolling in VS2010?

    - by Jane McDowell
    When I right-click in the middle of a code editor window in Visual Studio 2010 RTM, a context menu appears. This takes up about a fourth the height of the screen but doesn't show all options. Instead it scrolls up and down when you move the pointer to the top or bottom of the menu. If I click near the top or bottom of the screen, the menu is normal and doesn't scroll. Can I turn this behavior off? It's stupid. You can't even scroll using the mouse wheel. EDIT I reckon this might just be a bug - I've found a few.

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  • jquery slide down image on page load

    - by Dean
    Hi I'm not experienced with jquery (or java script really), but trying to make an image (img id=mike ...) slide in when a page loads. After looking through the jquery docs and trying Google queries, I have so far come up with this $(document).ready(function() { $("#mike").load(function () { $(this).show("slide", { direction: "up" }, 2000); }); }); And applied the CSS display:hidden so it remains hidden until I want it to slide in on page load. This doesn't seem to work unless I reload the page though. Hoping someone could help me out with this please :)

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  • Fill spinner from cursor in android

    - by Rickard
    Hi, i have searched for a awnser for this for a while today. It all looks so easy but i never get it to work. I want to fill a spinner with my cursor. I have been trying to use SimpleCursorAdapter for this as a lot of sites say i shall but i never get it to work. Show me just how easy it is :) Thanks for your time! My cursor Cursor cursor = db.query(DATABASE_TABLE_Clients, new String[] {"_id", "C_Name"}, null, null, null, null, "C_Name"); My spinner (Spinner) findViewById(R.id.spnClients); My Code Cursor cursor_Names = SQLData.getClientNames(); startManagingCursor(cursor_Names); String[] columns = new String[] { "C_Name" }; int[] to = new int[] { R.id.txt_Address }; SimpleCursorAdapter mAdapter = new SimpleCursorAdapter(this, android.R.layout.simple_spinner_dropdown_item, cursor_Names, columns, to); Spinner spnClients = (Spinner) findViewById(R.id.spnClients); spnClients.setAdapter(mAdapter);

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