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• How much time do you spend in Reflector? (.NET)

  - by mannu

  As a consultant I get to toy around with many different products and APIs as the customer demands we use X and Y. I think it is great fun and I learn a lot from it. What will make a great developer over time is, in my opinion, the will to understand and learn new things. Therefore, I will always try to understand what happens "behind the scenes" when I am using 3rd party products. I spend around 10-15% of my time in Reflector to learn what the heck I'm really doing when I call method X. How much time do you spend on average? This may also apply to reading (open) source code, documentation etc.

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• Predicting performance for an iPhone/iPod Touch App

  - by Avizz

  I don't have an iPhone Developer Program Account yet and will be getting one in the next couple of days. Can instruments be used with the simulator to give a rough estimate on how well my app may perform? Using instruments I checked and fixed all the leaks it was detecting, and it appears that my memory usage maxes out at about 5.77mb. Is there any other tests I could perform with instruments to judge how well my app would perform? I realize there is no way other then the actual device to get a definite answer, it would be nice to get an estimate.

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• VLC player event catch

  - by user350632

  In my C# application i need to trigger some events when a VLC player (preferably) starts playback (a play button is pressed in VLC for example).Tried Windows Media Player classic with Microsoft Spy++ and observed messages that are sent when playback starts\repeats but i don't know how i could "catch" those messages in my C# code.So my question: is there any way to hook up to event in VLC (or WMP) and get notified about playback status (play, stop, start of repeat). My goal is to create a C# function that waits for start of playback event in player and then triggers some actions in my application (this should also happen when playback ends and starts repeating). What approach should i take here? Just to clearify: I don't want to embedded a new instance of VLC in my app, but instead control/read the "real" full version of VLC, started seperatly by the user

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• How can I access variables outside of current scope in javascript?

  - by sekmet64

  I'm writing some application in javascript and cannot figure it out how to access the variables declared in my function, inside this jquery parse. Inside I can access global variables, but I don't really want to create global vars for these values. Basically I want to extract file names from an xml document in the simulationFiles variable. I check if the node attribute is equal with the simName and extract the two strings inside the xml elements, that part I think it's working. How can I extract those xml elements and append them to local variables? function CsvReader(simName) { this.initFileName = "somepath"; this.eventsFileName = "somepath"; $(simulationFiles).find('simulation').each(function() { if ($(this).attr("name") == simName) { initFileName += $(this).find("init").text(); eventsFileName += $(this).find("events").text(); } }); }

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• How to set breakpoint in inline Javascript in Google Chrome browser for linux?

  - by Alan McCloud

  When I open Developer Tools in Google Chrome, I see all kinds useless crap like Profiles, Timelines, not to mentions Audits but basic functionality like being able to set breakpoint both in js files and within html javascript code is missing!. I tried to use javascript Console which itself is buggy ( like when once it encounter JS error, cannot get out of it unless refresh the whole page useless when ajax is involved). I am surprised google engineers still have not figured this out if these features still not available. If they are and there is some twisted way to do this, can some one help?

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• Migrating from CVS to Mercurial - how to handle cross-repo symbolic links?

  - by NVRAM

  I have a project that is stored in CVS as numerous modules/repositories. In several of the modules the CVS tree has symbolic links to the files in another tree. For example, the internal support tools have links to binary files (DLL, EXE) that are created and stored in the C# module. In all cases, the files are modified only in in the module where the files exist and are treated as read-only in the tree where the symbolic link exists. More often than not, the files are pulled to machines running MSWindows so the use of symbolic links on the developer machine is not an option. My question is this: Is there a mechanism in Mercurial that can provide the same capabilities?

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• What is the logic behind to use Semantic meaningful markup?

  - by metal-gear-solid

  Is it only for screen reader software? because browser renders both type of tags semantic and presentational in same manner. For example: for browser for us and for css <strong> and <b> is same. what is the purpose to semantic tag over presentational tag. is it for screen readers only or it's for better management of code? if it's for developer strong and b both can produce same result on browser.

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• Embedding Python and adding C functions to the interpreter

  - by monoceres

  I'm currently writing an applications that embedds the python interpreter. The idea is to have the program call user specified scripts on certain events in the program. I managed this part but now I want the scripts to be able to call functions in my program. Here's my code so far: #include "python.h" static PyObject* myTest(PyObject* self,PyObject *args) { return Py_BuildValue("s","123456789"); } static PyMethodDef myMethods[] = {{"myTest",myTest},{NULL,NULL}}; int main() { Py_Initialize(); Py_InitModule("PROGRAM",myMethods); PyRun_SimpleString("print PROGRAM.myTest()"); Py_Finalize(); } Thanks!

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• xcodeproj merge fails when adding new group

  - by user1473113

  I'm currently using Xcode with Git, and I'm experiencing some troubles during the merge process of my xcodeproj. Developer1 create a new group in Xcode file arborescence the commit and push. Developer2 on an other computer do the same with an other group name, commit and pull(with merge). The xcodeproj of Developer 2 become unreadable with Xcode. But when I create a new file or just drag and drop files from finder to repository, the merge succeed. Did someone has experienced that kind of trouble? I'm using in .gitattributes: *.pbxproj -crlf -diff merge=union # Better to treat them as binary files. *.pbxuser -crlf -diff -merge *.xib -crlf -diff -merge and in my .gitignore # Mac OS X *.DS_Store *~ # Xcode *.mode1v3 *.mode2v3 *.perspectivev3 *.xcuserstate project.xcworkspace/ xcuserdata/ *.xcodeproj/* !*.xcodeproj/project.pbxproj !*.xcodeproj/*.pbxuser # Generated files *.o *.pyc *.hi #Python modules MANIFEST dist/ build/ # Backup files *~.nib \#*# .#*

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• android phone's scroll ball, D-Pad not working

  - by user270811

  hi, i have a Cliq and a MyTouch phone. i am writing a game that requires a fire button. on the cliq, it's the center of the D-Pad, and on the MyTouch, the scroll ball. i am handling the onKeyDown events via a separate thread. it all works until i press the button too many times, meaning the key down event is no longer fired off. if i press the D-Pad down or scroll the ball down, then the fire button works again. i can only guess that maybe the message queue within the OS is full, therefore the fire button temporarily malfuntions. can someone help me? thanks.

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• Are there any good resources on developing ASP.NET for Windows CE Internet Explorer?

  - by IronicMuffin

  I've been tasked with creating a web app to be consumed by a mobile device sporting Windows CE 5.0 (and some with Windows CE 4.2). I've found a host of things that seem to work fine in IE6 on my desktop, but fail when rendered in IE for Windows CE. IE6 is bad enough as it is...does it lose any more functionality on an embedded system? Are there quirks that a developer would need to know about? AJAX seems extremely unlikely. JavaScript seems quirky when linking to a .js file. Panels with scrollbars are finicky. Textboxes can't get focus. DefaultButtons on a form don't work. Any help or resources you can provide would be greatly appreciated.

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• Unable to execute an oracle update statement within perl

  - by Gunnlaugur

  I have a problem in a perl script that I'm writing. When I run the script it hangs after prepare(). I've tried to run the update statement from SQL Developer and it works fine. I've also tried to print out all parameters and they are correct. What am I missing here? my $upd = 'update ngs.pp_subscr_data set address=?, city=?, postalcode=?, kennitala=?, email=?, firstname=?, lastname=?, last_upd=systimestamp where snb=?'; my $s = $dbh->prepare ($upd) || exitError(-9802, 'Couldn\'t prepare update statement.'); $s->execute($addr, $city, $pcode, $ktala, $email, $fname, $lname, $snb) Thanks.

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• socket programming: How do I handle out of band data

  - by soulmerge

  I just looked into wikipedia's entry on out-of-band data and as far as I understand, OOB data is somehow flagged more important and treated as ordinary data, but transmitted in a seperate stream, which profoundly confuses me. The actual question would be (besides "Could someone explain what OOB data is?"): I'm writing a unix application that uses sockets and need to make use of select() and was wondering what to do with the exceptfds parameter? Do I need to put all my sockets into this parameter and react to such events? Or do I just ignore them?

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• How to test the performance of a user's PC in/for Flash?

  - by Jan P.

  Hey, I'm a developer on nice space MMO using Flash. On new PCs performance is quite good, but some features shouldn't be enabled on older PCs because the framerate drops to shit if we do. Flash wasn't made for this, but hey, pushing boundaries is fun. An example is fullscreen mode. Of course every user can manually enable it, but "advertising" it to a user with and oldie PC would be a bad idea - but for the Alienware crowd it would be dumb not to. So I want to find out how "capable" a user's PC is to decide if I should enable or disable some features for him. Any ideas? Thanks, Sujan

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• Detecting periodic repetitions in the data stream

  - by pulegium

  Let's say I have an array of zeros: a = numpy.zeros(1000) I then introduce some repetitive 'events': a[range(0, 1000, 30)] = 1 Question is, how do I detect the 'signal' there? Because it's far from the ideal signal if I do the 'regular' FFT I don't get a clear indication of where my 'true' signal is: f = abs(numpy.fft.rfft(a)) Is there a method to detect these repetitions with some degree of certainty? Especially if I have few of those mixed in, for example here: a[range(0, 1000, 30)] = 1 a[range(0, 1000, 110)] = 1 a[range(0, 1000, 48)] = 1 I'd like to get three 'spikes' on the resulting data...

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• Saving WPF WIndow and Position

  - by moogs

  What would be the best way to save the window position and size in a WPF app? Currently, I'm saving the window size and position of a WPF App. Here are the events I handle: SourceInitialized : The saved info is loaded on to the window WindowClosing : The current info is saved to the backing store (I copied this from an example). The problem is, when the window is minimized and restored, the settings from the last WindowClosing is retrieved. Now, the StateChanged event fire AFTER the window has minimized, so it does not seem to be what i need. Thanks

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• NavigateBackward in Vim?

  - by vexe

  So Ctrl-o works only with jumps and has a history, '' gets you back to your last position regardless of how you ended up there (jumping, navigating, etc) but there's no history for it. What I'm looking for is the best of those two worlds, something like Visual studio's NavigateBackward. Ctrl-o is good but a lot of the times it takes me back to positions I wouldn't expect, jumping is not the only way I navigate... Is there a built-in command/way in vim that does this? if not, is there a plugin for it? if not, I have no problem writing a plugin myself, I know how to set/get the caret position, but I looked at the autocmd-events and couldn't find anything that fires when the caret changes position. How would I go about detecting the 'change' of the caret position? Thanks.

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• What should I do to practice?

  - by simion

  I start a year long industrial placement in September where i will be coding in Java predominantly. I am going to use the summer to brush up on my Java as in year one of the degree Java was the main language taught for OOP modules. However this year i have had no Java exposure except for an algorithms module, which was one of eight, so as you can see i am probably getting really rusty!. What i wanted to know is, how does the "real world" java programming differ from university coding and what do you suggest i brush up on that would be different to my normal workings. As a start I definitely need to get familiar with a professional IDE like NetBeans, opposed to having used BlueJ throughout but more specifically what coding practices should I get more familiar with. I appreciate they wont expect me to be a qualified full developer and will give me time, but I would like to hit the ground running as it were, with me having full hopes to secure a permanent position after I finish my degree.

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• class not found when running

  - by captfrank

  I'm getting "could not find class" error when I run my app. Understand that copulation and execution path different but I followed the recommendations of another question to create a sub dir under my project of lib and put the jar there but still no luck. using Eclipse and it is when I run on a device from eclipse (unable to get the broadcast events I want to trigger this code from simulator, i.e. wifi and blue-tooth). Any way to look at the apk to see what's in it like this jar file? looking around did not see anything.

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• Send Keyboard Input to VMWare from C#

  - by Robert

  Hi. I want to send mouse clicks and keyboards keys to a window running a virtual machine such as VMware or VirtualBox. I want to pilotate it from the host OS, from an application written in C#. I can move and click the mouse. But I can't send keyboard input. I tried with SendKeys but it doesn't work. With every other "normal" window, it works. But I think it's related to how VMware or Virtual BOx intercept keyboard events. Any idea?

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• How to edit doxygen.config from shell script?

  - by Sayan Ghosh

  Hi, I tried using Apple's shell script to automate doc set creation with every build (and loading that in XCode) - http://developer.apple.com/tools/creatingdocsetswithdoxygen.html but found that it had some bugs. Firstly it's not updating the entries in doxygen.config, perhaps one needs to put the settings in the exact hierarchy as it appears in the native doxygen file (?). My intention is to specify the settings in the following fashion in the shell script, and have a suitable config file generated tailored to my needs. ... echo "DOCSET_FEEDNAME = Some app" $TEMP_DIR/doxygen.config echo "GENERATE_LATEX = NO" $TEMP_DIR/doxygen.config echo "RECURSIVE = YES" $TEMP_DIR/doxygen.config ... Thank you, Sayan

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• Coping with weak typing

  - by John Leonard

  I'm a front end Flex developer peeking over the wall at html. One of the things I have a hard time with is weak typing in Javascript. I know many developers say they prefer it. How do I stop worrying and learn to love the weak typing? Are there best practices for variable naming that help make var types human readable? Another thing I have trouble with is getting by without my trusted compiler errors and warnings. I'm getting along with firebug. Is there anything else I should have in my toolkit?

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• Creating a ListView/TreeView using Category (Control Panel-Like) View

  - by Andrew Moore

  I currently have an application which uses a regular ListView with groups to show a bunch of modules. I would like to use a Category view. Category view is the new view introduced in Windows Vista for the Control Panel: Is there a third party control or a way (via API) to create a ListView which mimics the behavior of the Windows 7 Control Panel? Categories with icons and action links. Separate events for Category Click and Action Click. One or two column layout Separators between action links or lines EDIT: Seems like Windows is using a TreeView (SysTreeView32) control internally for this.

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• Designing template for Ruby on Rails view. What and where to learn?

  - by Victor

  Hi. I have a project going on, and I am in charge of the front-end design, whereas my developers will work on the back-end with Ruby on Rails. I do not know Ruby on Rails, and am designing front-end using XHTML, CSS, jQuery, 960.gs CSS Framework. My developer is supposed to take my design and connect the elements of back-end to it, with Ajax too. What are the things that I should know while designing the template/view so that I won't kick my developers' asses with my design? How to help the connecting of elements painless? I understand I must avoid . Some Ruby on Rails developers also prefer Blueprint CSS Framework over 960.gs. Any guidance? Thanks.

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• Jenkins and Visual Studio Online integration authentication

  - by user3120361

  right now I am trying to Setup Continuouse Integration - Delivery for a basic WCF Service, which will be hosted on a Microsoft Azure VM. The Project is Version Controlled through Visual Studio Online. So I installed Jenkins (also on the Azure VM), TFS plugin etc. and started the first Test Build: As Server URL I used "[VSO Adress]/DefaultCollection" and for Login purposes my Microsoft Account (I can Access VSO with that). The Problem is, when I run the Build I get the following error: Started by user Developer Building in workspace C:\Program Files (x86)\Jenkins\jobs\test\workspace [workspace] $ "C:\Program Files (x86)\TEE-CLC-11.0.0.1306\TEE-CLC-11.0.0\tf.cmd" workspaces -format:brief -server:[VSO Adress]/DefaultCollection ****" An error occurred: Access denied connecting to TFS server [VSO Adress] (authenticating as har****@*******o.com) FATAL: Executable returned an unexpected result code [100] ERROR: null Finished: FAILURE So my question is, whether it is generally possible to connect Jenkins and VSO that way and if so, which login credentials are needed

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