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• Do iphone push notifications send the actual sound data to play, just a filename, or is it handled b

  - by SLC

  And, does it cache it locally? I ask because I am wondering if it's possible to change the sound of a push notification via SSH, replacing an app sound. My question is specifically about how the API for push notifications works. Does it send a .caf (aiff) binary file for the phone to play each time?

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• Batch closes prematurely on a for /f command

  - by VonC

  I have a batch file (in windows XP, with command extension activated) with the following line: for /f %%s in ('type version.txt') do set VERSION=%%s On some computer, it works just fine (as illustrated by this SO question), but on other it kills cmd (the console window just closes) Why ? Note: the computers seem to have a similar configuration: XpSP2, the user has administrative right, no 'Command processor" defined in HKEY_CURRENT_USER\Software\Microsoft\Command Processor...

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• How to access a control form from a constructor in another class

  - by h1266

  Hi, C# question: I have a textBox in a default form Form1 and I want to access (write on) it from a constructor in another class that is in another different file. How can I do it? Tx in advance, Gerard

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• Java Interfaces Methodology

  - by Amir Rachum

  Hi all, I've been programming in Java for a few courses in the University and I have the following question: Is it methodologically accepted that every class should implement an interface? Is it considered bad practice not to do so? Can you describe a situation where it's not a good idea to use interfaces? Thanks.

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• Display both summary and individual error messages using jquery validation plugin

  - by mastah

  Hi, I'm just wondering how can I display both individual error messages and summary for the jquery plugin, I actually found a similar question but it just reference some hooks I can use, but I'm not sure where to start, I got the displaying individual error messages part, but I need to display the summary in an alert box on submit, plugin can be found here

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• Connection between Properties of Entities in Data Oriented Design

  - by sharethis

  I want to start with an example illustrating my question. The following way it is done in the most games. class car { vec3 position; vec3 rotation; mesh model; imge texture; void move(); // modify position and rotation void draw(); // use model, texture, ... }; vector<car> cars; for(auto i = cars.begin(); i != cars.end(); ++i) { i->move(); i->draw(); } Data oriented design means to process the same calculation on the hole batch of data at once. This way it takes more advantage out of the processor cache. struct movedata { vec3 position; vec3 rotation; }; struct drawdata { mesh model; imge texture; }; vector<movedata> movedatas; vector<drawdata> drawdatas; for(auto i = movedatas.begin(); i != movedatas.end(); ++i) { // modify position and rotation } for(auto i = drawdatas.begin(); i != drawdatas.end(); ++i) { // use model, texture, ... } But there comes a point where you need to find other properties according to an entity. For example if the car crashes, I do not need the drawdata and the movedata any more. So I need to delete the entries of this entity in all vectors. The entries are not linked by code. So my question is the following. How are properties of the same entity conceptually linked in a data oriented design?

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• How to give an alert in the mobile browser?

  - by MadhuBala

  When we try to open an attachment file from the mail, the desktop browser asks to save / open the file. As like that I need to do in the android mobile browser. How it's possible to ask a question in the mobile browser at the time of open an attachment file (*.ics)? Can anyone help me to develop an application for this ???

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• Is CPU execution time different in Loop with Sleep() and Long Loops without sleep(), with both havin

  - by Jagira

  Hello, I have a loop that runs for approx. 25 minutes i.e 1500 seconds. [100 loops with sleep(15)] The execution time for the statements inside loop is very less. My scripts are hosted on GoDaddy. I am sure that they are having some kind of limit on execution time. My question is, are they concerned with "the total CPU execution time" or the total running time.

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• Faster way to dump mysql

  - by japancheese

  This may be a dumb question, but I was just watching a screencast on MySQL replication, and I learned that a master database doesn't send SQL over to a slave for replication, it actually sends data over in binary, which makes importing extremely fast. I started wondering, "if a database can export and import binary, why do mysqldumps / imports take so long?" Is there a way to get mysql to dump a database in binary in a similar fashion to speed up that process as well?

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• how to init binary buffer in python

  - by ace

  so, I read from DB binary field i.e. 'field1' to var Buf1, and then do something like: unpack_from('I', Buf1, 0) so, all is ok. but question is how can I ini Buf1 without going to DB? I can get value from DB manually and init my var statically, but how? in DB field 'field1' I see something like '0x7B0500000100000064000000B80100006'. and how can I init valid binary buffer from it?

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• How to detect slow internet connections?

  - by Starx

  Currently, most of the popular websites, like google, yahoo detect if the user connection speed is slow and then give a option to load basic version of the website instead of the high end one. What are the methods available to detect slow internet connections? P.S. I think this is achieved through javascript, so I will tag it as a javascript question? However, I am looking for answers oriented more towards PHP, if this is also server related.

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• Check if a anchor exists in the url Prototype JavaScript

  - by Podlsk

  A bit of a basic question but how may I check if a anchor is in the url when I load the page? For example www.mysite.com/mypage#show And then in the JavaScript I can go if #show exists do this Thanks.

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• How do you beta test an iphone app?

  - by Michael Pryor

  How can you beta test an iPhone app? I can get it on my own device, and anyone that gives me a device, I can run it on theirs, but is there a way to do a limited release via the app store for beta testing? Update: Also, see this question on getting your app onto phones without using the App Store.

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• Java Serializable Object to Byte Array

  - by ikurtz

  (im new to java) from my searches for Serialization in Java most of the examples document writing to a file or reading from one. my question is lets say i have a serializable class AppMessage. I would like to transmit it as byte[] over sockets to another machine where it is rebuilt from bytes received. how could i achieve this please? thanks for your insight in advance.

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• Should I learn a operating system specific language or something like Java?

  - by Ben Ratajesak

  I am torn. I want to start making applications for OS X. There is a specifically under-served market that I would like to tap but I don't know if I should develop it only for the mac with Cocoa and Objective C or if I should develop it with Java and JavaFX. I guess my question is, is Java robust enough to handle the same things as Objective C on Mac and C# (.net) on Windows?

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• is there an easy way to convert jquery code to javascript?

  - by davidsleeps

  hopefully the question doesn't sound stupid, but there are lots of examples out there of achieving certain things in javascript/dom using jQuery. Using jQuery is not always an option (or even a want) which can make understanding the examples of javascript solutions written in jQuery hard. Is there an easy way to convert jQuery code to regular javascript? I guess without having to access or understand the jQuery source code... edit (future readers): pretend there is a logical reason why jQuery isn't available!

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• How does Python store lists internally?

  - by Mike Cooper

  How are lists in python stored internally? Is it an array? A linked list? Something else? Or does the interpreter guess at the right structure for each instance based on length, etc. If the question is implementation dependent, what about the classic CPython?

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• how reference copy is handled in Objective-C?

  - by Cathy

  Object graph [Instance A] tree / \ / \ / \ ↓ ↓ [Instance B] [Instance C] apple bug Question Instance A has to reference copies to Instance B and Instance C. If I retain or release Instance A, which has references to the other two instances, what happens to the various reference counts?

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• How deep are your unit tests?

  - by John Nolan

  The thing I've found about TDD is that its takes time to get your tests set up and being naturally lazy I always want to write as little code as possible. The first thing I seem do is test my constructor has set all the properties but is this overkill? My question is to what level of granularity do you write you unit tests at? ..and is there a case of testing too much?

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• Btrieve Date Integer

  - by nmiranda

  Hi everyone, this is my question: I'm migrating data from a Btrieve file (.dat) through Pervasive Control Center and there is field type which is defined as integer but is a date and for example the date '31/12/2009' (seen in the legacy system) is view it as the number 733772 when I export it. The legacy system shows the date correctly but I can't export it in the same format or at least I can't convert it. Does anybody know how to convert this number through Excel or something?

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• File Operations in Java

  - by Amir Rachum

  I'm working on a small application in Java that takes a directory structure and renames the files according to a certain format, after parsing the original name. What is the best Java class / methodology to use in order to facilitate these file operations? Edit: the question is only regarding the file operations part, I got the "getting the formatted name" down :)

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• To check the default select value tag!

  - by Small Wolf

  I have a question.Here is the code! f.select(:departments,Department.all.collect{|c|[c.name,c.id]},{},:size=>10,:multiple => ture) class Emergency has many :departments end the html source like this: <select id="emergency_departments" multiple="multiple" name="emergency[departments][]" size="10"><option value ="">""</option>....</select> now I want to get the default selected tag , who can tell me how ?

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• Require User to be Logged in to Download ZIP Files

  - by Jonathan Wood

  Is it possible to require the user be authenticated (logged in) when downloading ZIP files from my site? Note that I don't have direct control of IIS7. (I'm on a shared hosting account.) I can't simply alter the access for a particular directory because many directories are involved and most contain other files that can be accessed freely. I've Googled this a bit and found similar questions. But I've been unable to find this exact question.

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• Books on Debugging Techniques?

  - by zooropa

  Are there any books on debugging techniques? A friend of mine is learning to code and he asked me this question. I told him I don't know of any. Is it that you just have to go through the School of Hard Knocks to learn?

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• jQuery return parameters

  - by Sash

  This could be a novice question, but here goes... Why do we use data*.d* when we have to read data from a jquery web-service ? What is the significance of the .d? Is there any supporting documentation for the same? Thanks, Sashidhar Kokku

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