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• fgets and strcmp [C]

  - by Blackbinary

  I'm trying to compare two strings. One stored in a file, the other retrieved from the user (stdin). Here is a sample program: int main() { char targetName[50]; fgets(targetName,50,stdin); char aName[] = "bob"; printf("%d",strcmp(aName,targetName)); return 0; } In this program, strcmp returns a value of -1 when the input is 'bob'. Why is this? I thought they should be equal. How can i get it so that they are?

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• Java replace slow?

  - by cpf

  Hi StackOverflow, I have a Java application that makes heavy use of a large file, to read, process and give through to SolrEmbeddedServer (http://lucene.apache.org/solr/). One of the functions does basic HTML escaping: private String htmlEscape(String input) { return input.replace("&", "&amp;").replace(">", "&gt;").replace("<", "&lt;") .replace("'", "&apos;").replaceAll("\"", "&quot;"); } While profiling the application, the program spends roughly 58% of the time in this function, a total of 47% in replace, and 11% in replaceAll. Now, is the Java replace that slow, or am I on the right path and should I consider the program efficient enough to have its bottleneck in Java and not in my code? (Or am I replacing wrong?) Thanks in advance!

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• Calculation with RESTful web service with MySQL database

  - by Dobby

  I am now making some RESTful web services with MySQL database. I used NetBeans to create the resources of RESTful service with MySQL, and now I can now use GET and POST/PUT to list and add/modify data entities in the MySQL server. Currently, I wish to make some calculations right after a client makes the POST activities, then the posted data with calculated results will be inserted into the MySQL database. I am very new to this, I guess I need to add some functions and call them to calculate but I don't know where and how to do that : ( Could any one help me on this issue? Thanks a lot in advance! : )

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• Storing old previous year data in Rails?

  - by Millisami

  Hi, I'm developing an app which has massive data entries. Its like Campaign which has attrs like rate_per_sq_feet, start_date, end_date. i.e it will have max date of around 30 days. Once the campaign is finished, its done and another starts. Now I'm confused that how to store those campaigns as reports so that its not accessed regurlarly. What I mean is to store in such a way that it will act like report on later years to come? Its something like fiscal year on accounts where the previous year reports are stored with all the calculations done so that when retrieved later, all the algorithms and calculations shouldn't be performed. Something like frozen data??

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• What to write in "Web location" field when starting an "New website" in Visual Studio 2010?

  - by Ivan

  I want a website to be deployed automatically to a local IIS (built in Windows XP Pro SP3), avoiding VisualStudio-built-in server if possible. I'd like development source files to be stored in a project folder outside wwwroot (I wouldn't mind built files to be copied to wwwroot each time I press F5). I don't store my projects inside default directories inside "My documents". What should I specify as in "Web location" when starting an "New website" in Visual Studio 2010? A deployment path in wwwroot, a folder where I'd like to save my project, or something else? I want the website to be a part of a complex solution in VS 2010, also icludinc a class libray project, a WinForms application project, a Windows Service project and a common Entitity Framework data model.

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• Tables are not visible in SQL Server Management Studio but they are in Visual Studio using same acco

  - by Germ

  I'm experiencing a weird problem with a particular SQL login. When I connect to the server in Microsoft SQL Server Management Studio (2008) using this account, I cannot see any of the tables, stored procedures etc. that this account should have access to. When I connect to the same server within Visual Studio (2008) with the same account everything is there. I've also had a co-worker connect to the server using the same login and he's able to view everything as well. The strange thing is if I switch logins, I'm able to view objects that the other account has access to which indicates that there isn't a problem with MSSMS on my PC. Does anyone have any suggestions on how I can diagnose this problem? I've check to make sure I don't have any Table filters etc.

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• What's the difference between IEquatable and just overriding Object.Equals() ?

  - by devoured elysium

  I want my Food class to be able to test whenever it is equal to another class. I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable or just override Object.Equals()? From MSDN: This method determines equality by using the default equality comparer, as defined by the object's implementation of the IEquatable.Equals method for T (the type of values in the list). So my next question is: which functions/classes of the .NET framework make use of Object.Equals()? Should I use it in the first place? Thanks

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• Java object caching, which is faster, reading from a file or from a remote machine?

  - by Kumar225

  I am at a point where I need to take the decision on what to do when caching of objects reaches the configured threshold. Should I store the objects in a indexed file (like provided by JCS) and read them from the file (file IO) when required or have the object stored in a distributed cache (network, serialization, deserialization) We are using Solaris as OS. ============================ Adding some more information. I have this question so as to determine if I can switch to distributed caching. The remote server which will have cache will have more memory and better disk and this remote server will only be used for caching. One of the problems we cannot increase the locally cached objects is , it stores the cached objects in JVM heap which has limited memory(using 32bit JVM). ======================================================================== Thanks, we finally ended up choosing Coherence as our Cache product. This provides many cache configuration topologies, in process vs remote vs disk ..etc.

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• Uncompressing zlib data using boost::iostreams::filtering_streambuf trouble

  - by GuitaringEgg

  I'm trying to write a small class that will load the chunk data from part of a minecraft world file. I'm to the point where I have stored some data in a char array which was compressed with zlib and need to decompress it. I'm trying to use the boost filtering_streambuf to do this. char * rawChunk = new char[length - 1]; // Load chunk data stringstream ssRawChunk(rawChunk); boost::iostreams::filtering_istream in; in.push(boost::iostreams::zlib_decompressor()); in.push(ssRawChunk); stringstream ssOut; boost::iostreams::copy(in, ssOut); My problem is that rawChunk contains null data, so when coping data from (char*) rawChunk to (stringstream) ssRawChunk, it terminates at ~257 instead of the expected length 2154. Is there any way to use filtering_streambuf without stringstream to allow for null data or is there a way to stop stringstream to not terminate on null data?

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• How to Obtain Data to Pre-Populate Forms.

  - by Stan

  The objective is to have a form reflect user's defined constraints on a search. At first, I relied entirely upon server-side scripting to achieve this; recently I tried to shift the functionality to JavaScript. On the server side, the search parameters are stored in a ColdFusion struct which makes it particularly convenient to have the data JSON'ed and sent to the client. Then it's just a matter of separately iterating over 'checkable' and text fields to reflect the user's search parameters; jQuery proved to be exceptionally effective in simplifying the workload. One observable difference lies in performance. The second method appeared to be somewhat slower and didn't work in IE8. Evidently, the returned JSON'ed struct was seen as an empty object. I'm sure it can be fixed, though before spending any more time with it, I'm curious to hear how others would approach the task. I'd gladly appreciate any suggestions. --Stan

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• Compiling zip component for PHP 5.2.11 in MAMP PRO

  - by Zlatoroh

  Helo I installed MAMP PRO on my Macbook Pro (10.6) some time ago. Now I would like to use zip functions in php. I found that I must add zip.so to my extension folder and edited php.ini. On my computer I have two different versions of PHP one in MAMP folder and other in user/lib which was pre-installed on my system. Now I wish to compile my zip library for MAMP version. I got zip sources for my version of PHP then in terminal called function /Applications/MAMP/bin/php5/bin/phpize so it uses mamp php version ./configure make then I moved compile zip.so to extensions/no-debug-non-zts-20060613. When MAMP is launched it returns this error: [11-Apr-2010 16:33:27] PHP Warning: PHP Startup: zip: Unable to initialize module Module compiled with module API=20090626, debug=0, thread-safety=0 PHP compiled with module API=20060613, debug=0, thread-safety=0 These options need to match in Unknown on line 0 Can some body explain to me how to do this the right way.

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• ActionScript 3 class over several files - how?

  - by Poni

  So, how do we write a class over several files in action script 3? In C# there's the "partial" keyword. In C++ it's natural (you just "#include ..." all files). In Flex 3, in a component, you add this tag: <mx:Script source="myfile.as"/>. How do I split the following class into several files; package package_path { public class cSplitMeClass { public function cSplitMeClass() { } public function doX():void { // .... } public function doY():void { // .... } } } For example I want to have the doX() and doY() functions implemented in another ".as" file. Can I do this? And please, don't tell me something like "a good practice is to have them in one file" :)

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• MSBuild - setting a reference path

  - by Ryan

  I have several assemblies my project is dependant upon. These are stored in the Project's directory under the "Dependencies" folder. So something like this. Solution - Project - Dependancies FunkyAssembly.dll - bin - Debug - Release SomeCode.cs I've referenced FunkyAssembly.dll using Browse and in project.csproj I see <Reference Include="FunkyAssembly"> <HintPath>Dependancies\FunkyAssembly.dll</HintPath> </Reference> So far so good - except after a release build FunkyAssembly.dll is copied to the Release directory (not a problem in itself) but then future debug builds will reference this copy rather than the copy in Dependencies. You can see this if you at Path in the reference properties. This means that if Dependencies\FunkyAssembly.dll is updated the build won't pick it up as its referencing the old copy in bin/Release. Any way to FORCE the damn thing to pick up Dependencies\FunkyAssembly.dll rather than HINT?

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• Should I use dialog boxes in my web application?

  - by Tom

  I'm developing a typical web application with functions like add, remove, view, search and other yada yada. However, I'm uncertain how much I should rely on dialog boxes. Should I have a dialog box for adding information to the system or perhaps only as a confirmation when deleting something? I could also, for example, use a login dialog box instead of a login page. Should modern web sites be designed so that they use dialog boxes? Are there any general guidelines for when to use a dialog box in a web application or is it more "when I feel like it"?

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• How safe am I signing into Google Spreadsheets with yeroon.net/ggplot2

  - by Farrel

  I am impressed by what I have seen of yeroon.net/ggplot2 which is a web interface for Hadley Wickham's R package ggplot2. I want to try it out on my own data. The part that has me very excited is that one can use data stored in one's own Google spreadsheet as the data. One just signs into their Google Account so that yeroon.net/ggplot2 can access the spreadsheet list. I have been hesitant to do it. If I sign in whilst on yeroon.net am I handing over my username and password to a third party? It would not be wise of me to divulge my google password to third parties since Google is fast becoming my repository of everything. How do I know if Jeroon's application is using ClientLogin or OAuth? My understanding is very basic and may be wrong but nevertheless here it is. OAuth would be better since it does not actually pass the password onto the third party application.

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• Why does IE8 change flash callback function into object?

  - by Christian Hollbaum

  Hi Guys I have put 2 swf's (using swfobject 2) on the same website; One for playing a movie, and one for controlling the movie (I want to position them seperately, so they can't be in the same swf). I'm doing the communication between the two using javascript with jQuery, and externalcallback functions in both swf's. Everything is running smoothly on all browsers, but IE8. In IE8 I can only call the pause callback function in the control swf once. When it has been called it will not run properly the next time. After trying to debug what is happening live, using javascript's "type of" I have found that IE8 changes the callback function on the flash object from a function into an object when it has been triggered. Can anyone explain why this is happening? .. and maybe suggest how to avoid this? .. or change the object back to a function?

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• Building a titanium module with xcode that uses other libraries

  - by kudorgyozo

  I have a Titanium module and i want to use it for voice over ip using pjsip. I have changed the project settings the following way: added to the other linker flags the libraries from pjsip added to the header search paths the headers from pjsip added to the library search paths the libraries from pjsip If i do these things for a normap iPhone app it works i can make calls i have tested it and made a wrapper class that has methods like makeCall, hangup. etc. But i want to use this class together with the libraries from pjsip in a Titanium module. It gives me errors like: implicit declaration of function 'pjsua_perror' implicit declaration of function 'pjsua_destroy' 'pjsua_config' undeclared (first use in this function) These are all part of pjsip (pjsua_perror and pjsua_destroy are functions and pjsua_config is a struct) Does it work this way? Can i include other libraries in a library? What is the difference between making an app that uses libraries and making a library that uses libraries?

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• imported function name is not visible in entities context

  - by ali moharrami

  hi I am working on silverlight application which uses EF. I am able to retrieve the data. But I want to execute a stored procedure which returns no value. I tried using Import function. and the function is created in DataModel.Designer.cs : public int ClearWorkflow(Nullable<global::System.Guid> processId) { ObjectParameter processIdParameter; if (processId.HasValue) { processIdParameter = new ObjectParameter("ProcessId", processId); } else { processIdParameter = new ObjectParameter("ProcessId",typeof(global::System.Guid)); } return base.ExecuteFunction("ClearWorkflow", processIdParameter); } But the function name is not visible in entities context while accessing in silverlight.

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• slsvcutil.exe Proxy and Interfaces

  - by JPM

  Is it possible when using slsvcutil.exe to generate a proxy through the command line not to have the proxy file output the Interface in an Asynchronous fashion. For example, if I have a function "foo()" on the serverside in the Interface, when I generate the proxy using Slsvcutil.exe, it makes two functions in the interface definition in the proxy named "BeginFoo()" and "EndFoo()". All I want is "Foo()", I don't need the other two methods. Is this possible? I'm using the proxy with Monotouch which is why I need to use Slsvcutil.exe but don't need the Asynchronous methods. Thanks!

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• Php sessions secure log in

  - by Doodle

  My question is about creating a secure log in routine. After comparing the user name and password to the stored values I set a session variable called logged to true. Then as the user surfs around the web page I just check the logged variable for true or false to determine if the user should have access. This is my first time creating something like this. Is this secure? I feel like there is something else that I should be doing to make sure that users are valid.

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• Python Framework for small website

  - by mvid

  I am planning a small, simple website to showcase myself as an engineer. My preferred language is Python and I hope to use it to create my website. My pages will be mostly static, with some database stored posts/links. The site will be simple, but I would like to have freedom in how it operates. I plan on using CSS/JS for the design, so I really just need an easy way to throw a small amount of content around. Some frameworks I have come across: Flask cherry.py Pinax Are there any suggestions? Does anyone have any experience with Python on small/hobby websites?

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• SSRS report combine data sources and generate csv

  - by Nithin

  I am new to ssrs. I have a report that gets data from two databases. I can create two datasets that connect to two different databases. The databases are third party and I cannot create stored procedures on the databases. My issue is that I have to combine the data from the two queries. Please help me with this issue or point me to locations where I can find answers. Thanks in advance.

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• Is there a code style enforcer?

  - by Petruza

  I'm working with websites written in PHP, along with many other programmers, and sometimes I have to deal with really awful code. Indentation totally messed up, curly braces in the wrong places, terrible whitespace use, it really hurts my eyes and actually makes my work harder and take longer. Is there a tool where you can specify your coding style and then it applies it to files? I'm sure there must be such functions in different IDEs, but I need an independent tool as I code with simple notepads like Notepad++ or the like. ( if it's such a function in Notepad++, I didn't see it )

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• onbeforeunload in safari does not run code server side

  - by Deepa

  On browser close or F5, I have to perform some code on server side For this I have a button. On click of that button which has onclientclick and onclick functions written. I also wrote an event on window.onbeforeunload which does a button.click(). window.onbeforeunload=function(e) { button.click() } My problem is that this runs the code of the client side click function of the button, however server side code does not get executed. This happens only when i close the browser. When I do F5 it works perfectly. Also this happens only on Safari. In FF and mozila it works perfectly . How can i

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• Accessing a master page from httphandler

  - by vondip

  Hi All, I am developing a small application in asp.net (writing in c#). In my application I am using jquery to perform asynchronous call to the server. I have an http handler that listens in to the requests and does what it needs to do. Problems start when in the handler I need to access information stored in the page , from where the asynchronous call started. When I try this: Page page = HttpContext.Current.Handler as Page; I don't get a page. How else can I access the page itself? Thank you

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