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• Application installer tells that my app reads Phone State and identity :-(

  - by jdekeij

  Hoi, I have a simple app with a surfaceview nothing special one would say. However when installing on my phone I get two warnings. 1 - Phone calls - read phone state and identity 2 - Storage - modify/delete SD card content. My really is nothing more than a simple puzzle and I dont understand why I get these warnings. Any ideas how to avoid this? Help is very much appreciated, Kind regards Jasper de Keijzer.

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• asp.net dropdownlist databind on init causes data loss

  - by user2191496

  On which event or how should I bind data to the dropdownlist to avoid selected value overridden? For some reasons, I can't use "IsPostBack" to bind data only on postback I've tried binding data on page init, it works ok but when postback, the selected value will be overridden (Loss) protected void Page_Init(object sender, EventArgs e) { this.BindData(); } protected void BindData() { //grab the source of dropdownlist }

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• How to merge multiple arrays in pairs

  - by user3688059

  I have a problem with "pairing" arrays into one (by index). Here is an example: INPUT: inputArray = [ [0, 1, 2, 3, 4], [2, 3, 5, 7, 8], [9, 6, 1] ] OUTPUT: outputArray = [ [0,2,9], [1,3,6], [2,5,1], [3,7,chooseRandom()], [4,8,chooseRandom()]] Questions: 1) How to avoid out of range problem 2) How to write chooseRandom() to choose N neighbour I'm using python but feel free to share your thoughts in any language.

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• In ruby on rails, is it possible to do a sum query with group by using the find_each batching?

  - by BarryOg

  I'm loading data from my database and I'm doing a sum calculation with a group by. ElectricityReading.sum(:electricity_value, :group => "electricity_timestamp", :having => ["electricity_timestamp = '2010-02-14 23:30:00'"]) My data sets are extremely large, 100k upwards so I was wondering if its possible to use the find_each to batch this to help with memory overhead. I can write the batching manually use limit and offset I guess but I'd like to avoid that if the code already exists.

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• Rendering UML diagrams from text files

  - by Per Ersson

  Is there any good tool or tool-chain that allows UML images in the .svg format to be created from a textual source file? The reason for this question is that I want to automate the generation of these images to avoid having to manually create and update this set of images.

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• What is unchecked cast and how do I check it?

  - by Mike

  Hi, I think I get what unchecked cast means (casting from one to another of a different type), but what does it mean to "Check" the cast? How can I check the cast so that I can avoid this warning in Eclipse? Thanks,

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• Is there a way through the Visual Studio IDE to move buttons between ToolStrips?

  - by Eric

  I have multiple ToolStrips with buttons on my form. I'd like to move some buttons from one ToolStrip to another. However, the Visual Studio IDE is not allowing me to drag the buttons off of a ToolStrip. I could go and edit the designer file for the form, but I try to avoid that as much as possible. So is there some way to do this through the IDE?

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• Whys is this event declared with an anonymous delegate?

  - by John_Sheares

  I have seen people define their events like this: public event EventHandler MyEvent = delegate{}; Can somebody explain how this is different from defining it without it? Is it to avoid checking for null when raising the event?

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• Sending mail using Javascript

  - by user146780

  Here's what I'm trying to do. I want to use Java Script to send an email. I have created a form with a subject text field, a message field, and a send button. I want for when the person clicks Send that it sends the email, but I want to avoid server side scripting. Thanks

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• Why does this simple division between 2 floats not work with java ?

  - by user323186

  System.out.println((26.55f/3f)); or System.out.println((float)( (float)26.55 / (float)3.0 )); etc. returns the result 8.849999. not 8.85 as it should. Can anyone explain this or should we all avoid using floats?

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• UITableView crashes when adding 2 objects to an empty store, with sections (NSRangeException)

  - by likejy

  UITableView crashes in endUpdate, called by the Managed Object Context "save" method, when: 1- The Core-Data Store is empty 2- The Fetched Result Controller is configured to show sections 3- Two managed objects (or more) have been added to the store When I've searched this situation in google. I've found exactly matched error in this post. It looks like a bug.Is there a any solution to avoid this bug ?

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• One log4j.xml - many scripts

  - by psed

  One of my utility jar files is used by different nix scripts, located in different categories. Problem: unable to initialize log4j framework (unable to find log4j.xml). Solution, that allows to configure logger correctly while launching jar classes by different scripts - usage of env vars and force configuring using DOMConfigurtor.configure(pathToConfXml) method. is it possible to avoid path hardcoding and configure logger inside of a script? Appreciate all your help. Thanks.

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• Where to keep config data other than config file (Windows App)?

  - by user144842

  My Windows application GUI is accepting some required application configuration fields from the user. I need to store them of course, but I wanna hide these fields from the user. I cannot use database to store these configs. I want to avoid using app.config either. (No app.config encryption) Any suggestions, Where and in which format i should store fields. (Field example is: Accepting database User credentials, Task Schedule info etc.)

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• Recommendations for c++ web programming frameworks that do not use .net

  - by BD at Rivenhill

  There are obviously a lot of different choices out there if you want to program for the web using Java. Does anybody have recommendations for someone who wants a free software framework for web programming? I want to work on Linux, and I would prefer to avoid .net/mono.

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• Mocking ISession.Query<T>() for testing consumer

  - by TheCloudlessSky

  I'm trying to avoid using an in memory database for testing (though I might have to do this if the following is impossible). I'm using NHibernate 3.0 with LINQ. I'd like to be able to mock session.Query<T>() to return some dummy values but I can't since it's an extension method and these are pretty much impossible to test. Does anyone have any suggestions (other than using an in memory database) for testing session queries with LINQ?

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• Adding String to this in jQuery

  - by Phonethics

  If this is an HTMLDivElement, how do I avoid doing this ? $('#' + $(this).id + " > p").foo(); to do something like : ($(this) + $( " > p")).foo();

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• C++, Getting website source, part 2

  - by pure841

  So, I have this source: http://paste2.org/p/808870 Now, it works getting the source, however, it keeps repeating afterwards. For example: http://img263.imageshack.us/img263/7259/outputq.png Notice how it says , then continues? I was wondering how I can avoid that. I know I can limit the buffer, however is there a better solution? Thanks

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• Multiple requests to server question

  - by embedded

  I have a DB with user accounts information. I've scheduled a CRON job which updates the DB with every new user data it fetches from their accounts. I was thinking that this may cause a problem since all requests are coming from the same IP address and the server may block requests from that IP address. Is this the case? If so, how do I avoid being banned? should I be using a proxy? Thanks

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• C# stop and continue..

  - by Betamoo

  I need some way to do the following efficiently in C#: Make program execution stop until certain value is changed. Note: I do not want to make it with a while loop to avoid wasting cpu power..

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• Java: If I overwrite the .equals method, can I still test for reference equality with ==?

  - by shots fired

  I have the following situation: I need to sort trees based by height, so I made the Tree's comparable using the height attribute. However, I was also told to overwrite the equals and hashCode methods to avoid unpredictable behaviour. Still, sometimes I may want to compare the references of the roots or something along those lines using ==. Is that still possible or does the == comparison call the equals method?

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• Algorithm to rotate an image 90 degrees in place? (No extra memory)

  - by user9876

  In an embedded C app, I have a large image that I'd like to rotate by 90 degrees. Currently I use the well-known simple algorithm to do this. However, this algorithm requires me to make another copy of the image. I'd like to avoid allocating memory for a copy, I'd rather rotate it in-place. Since the image isn't square, this is tricky. Does anyone know of a suitable algorithm?

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• Editline with non-blocking input.

  - by Sasun Hambardzumyan

  I use editline library in my program, for user commands input in shell. But becides shell, program have a gui interface, so I need to run editline's readline() function in separate thread, because it blocks until Enter pressed. Is there a way to use readline() function without blocking, so I could avoid separate thread usage?

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• How many files in a directory is too many (on Windows and Linux) ?

  - by Rhubarb

  I was told that putting too many files in a directory can cause performance problems in Linux, and Windows. Is this true? And if so, what's the best way to avoid this?

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• why is `vapply` safer than `sapply`?

  - by flodel

  The documentation says vapply is similar to sapply, but has a pre-specified type of return value, so it can be safer [...] to use. Could you please elaborate as to why it is generally safer, maybe provide examples? P.S.: I know the answer and I already tend to avoid sapply. I just wish there was a nice answer here on SO so I can point my coworkers to it. Please, no "read the manual" answer.

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• What are JOINs in SQL (for)?

  - by sabwufer

  I have been using MySQL for 2 years now, yet I still don't know what you actually do with the JOIN statement. I really didn't come across any situation where I was unable to solve a problem with the statements and syntax I already know (SELECT, INSERT, UPDATE, ordering, ...) What does JOIN do in MySQL? (Where) Do I need it? Should I generally avoid it?

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