how powerful is Bluetooth programming on Android? is it possible to add new protocols and encryption techniques? or even change in the current protocols? does it support bluetooth 2.1+EDR?
I have never worked on ejb, when I started programming Spring was already arrived and all my projects have been with Spring only, recently I had one interview and they wanted knowledge of EJB3.0 and so I want to know how does EJB3.0 stack up with Spring Framework and why many projects now a day are with Spring Framework and not with EJB3.0, do not quote me here as I can be wrong
I would really appreciate if difference and benefits of using one over another could be explained from practical perspective.
What alternatives are there to GAE, given that I already have a good bit of code working that I would like to keep. In other words, I'm digging python. However, my use case is more of a low number of requests, higher CPU usage type use case, and I'm worried that I may not be able to stay with App Engine forever. I have heard a lot of people talking about Amazon Web Services and other sorts of cloud providers, but I am having a hard time seeing where most of these other offerings provide the range of services (data querying, user authentication, automatic scaling) that App Engine provides. What are my options here?
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.
I'm reading this article about Comet http://en.wikipedia.org/wiki/Comet_(programming). It mentions that browser should support multipart/x-mixed-replace to make XmlHttpRequest Streaming possible.
Why this multipart/x-mixed-replace is necessary?
Without this header, HTTP response can still be chunked and sent piece by piece to browser, right?
Ever since I started programming this has been something I have been curious about. But seems too complicated for me to even attempt.
I'd love to see a solution.
1, 2, 3, 4, 5 // returns 6 (n + 1)
10, 20, 30, 40, 50 //returns 60 (n + 10)
10, 17, 31, 59, 115 //returns 227 ((n * 2) - 3)
hi everyone,
I need a help, I'm doing survey questionnaire on following topics
1- pair programming
2- measuring programmer productivity
3- software metrics
so what are questions should I ask ? please , could anyone help me ?
thanks in advance.
Is there high-level language out there for describing algorithms, that's geared towards specification, rather than implementation?
The idea would be to have a machine-readable archive of standard algorithms, with machine-readable annotations on trade-offs, and variants.
I'm thinking of something like CycL / OpenCyC, but for algorithms and programming patterns.
I wrote a program to compile a simple text program to a compiled executable... Is it possible that I can load an executable to memory an some how point a pc counter to the memory space at will?
Here is what I made that I would like to store the programs to memory for execution on demand... Kind of wanting to make a little web language like php but compile it... Just for learning.
http://spiceycurry.blogspot.com/2010/05/simple-compilable-programming-language.html
I have installed xcode 3.2 with iphone SDK. (without Mac OS 10.4 SDK). WHen i create new project i only got these options for Mac OS
-- Application
-- Framework and Library
-- Application plugin
-- System plugin
--Other
But a book named: Programming Object C 2.0. From which i am learning object C. Its showing XCode with these templates for Mac OS
--Application
--Audio Units
--Automater actions
--Bundles
--Command Line Utility
--dynamic library
--Framework
--Java
--Kernal Extensions
--Standard Apple plugin
--Static Library
--Other
I need the Command Line Utility template so that can create sample projects mentioned in book.
hi guys ,
I am new to iphone Programming . I have a rectangle on which i display some data. I want to assign an image to its background. And is it possible that the data would be visible even after the image is assigned . Any idea how i can do it ?
Thanks
Been searching for a good coverage tool for a while now.
I'm with VC++ 2008.
Tried already:
NCover, PureCoverage, PartCover and a few others I can't remember their names.
None works!
Not even with a very basic console application that does almost nothing.
Tried to get an evaluation copy from BullsEye and few more others - not only that they require you to ask for it (no automatic process), they don't even answer after you request AND after you ask what's going on, through the support mail.
So the question is: Is there any tool, which I can immediately download an evaluation for it, that actually works on VC 2008 projects? Something that will get me going within 10 minutes? It's funny but it seems to be a very non-trivial request in the area of this kind of software.
I'm looking for a good example of reading and writing to the Windows Registry using VB6.
Yes, I know there are lots of mediocre examples. I spent an hour googling and testing. Some were incredibly complex, others had only some of the functions, and almost none of it had been vetted in any way (voted on).
Since Stack Overflow is intended to the canonical location for answers to programming questions, it seems reasonable to post it here.
Is it practically possible to create a triangle of stars like this as below in SQL.I know that this could be done easily in any other programming language like C,C++,Java but want to know whether it is really possible with just SQL or PL/SQL.I tried working on it with dual table in Oracle but couldn't get through it.
* *
* * * *
* * * or * * *
Can someone please shed somelight if anyone knows about it.
Hey guys,
We're getting a QA for the first time in our project. We're not sure how to best use him.
We work in an Agile environment. Pair programming, user stories, short sprints (two weeks), daily stand-ups, retrospectives, planning meetings, quick releases etc.
One obviously way to use a tester is to verify bugs fixes and user stories every sprint. Are there any better ways for an Agile team to utilize a tester.
Thanks,
Sri
Say I have some highly-visited front-page, which displays number of some items by categories.
When some item is added / deleted I need to invalidate this front-page/url and some 2 others.
What is the best practice how to invalidate those urls from backend in Varnish (4.x)?
From what I captured, I can:
implement my HTTP PURGE handler in VCL configuration file, that "bans" urls matching received regex
from backend to Varnish, send 3x HTTP PURGE requests for those 3 urls.
But is this approach safe for this automatic usage? Basicly I need to invalidate some views everytime some related entity is inserted/updated/deleted.
Can it lead to ban list cumulation and increasing CPU consumption?
Is there any other approach? Thanks.
I'm on my way to programming a database application and in our course we are told to implement a library of elements using one of the Java Collections. Each of the elements has a unique ID with which it's supposed to be addressed. Now I am wondering how this can be done.
I though about using a ListArray but this won't work because the only way of addressing List elements is through the index which you can't control.
Do you have some advice for me?
What is going on?
Is this a result of a programming class assignment or someting?
Find the list at Wikipedia (older revision, somone removed them as non-notable)
http://en.wikipedia.org/w/index.php?title=Comparison_of_File_synchronization_software&oldid=361345181
Hi,
I understand that it's not a programming question, but still maybe someone here knows how comes that www.ipage.com is offering $115.00 to affiliates for every new customer ( that would buy, say, a $36 hosting plan ) ? Where's the catch?
Recently I did a Java programming exercise successfully which was sent by a recruiting firm, The problem statement goes like this 'There are two text files FI(records abt files and directory information) and FS(containing blocks of data) which represent a file Index and file System respectively and I was supposed to write a static read method in a class which will read the file from the FS depending upon the path string provided using FI' My question is where can I get these kind of exercises to solve, the complexity should be above average to tough.
Some programming environments like C++ builder have timer components with a callback function which executes in the same execution contexts as where the timer object is created.
I was wondering how to do something similar in plain c++ with threading.
Or are there any other ways to have a callback which is periodically called to perform some task and runs in the same execution context as the calling thread?
Using Delphi 7, I wonder if there is a free component which will collect diagnostic information as my application runs at a remote site and will help me to debug error reports.
Maybe it records each menu item selected, control clicked, text input, etc? Maybe it just dumps the stack on a crash. Maybe it does something else ...
I don't mind adding code (e.g at the start and end of each procedure), as that might generate more useful info than a fully automatic system.
I am not sure if the solution ought to "phone home" or if it is enough to produce a text file which can be emailed to me.
Any suggestions?
Using Java, you can get the list of ISO2 codes through Locale.getISOCountries() (see this related question http://stackoverflow.com/questions/712231/best-way-to-get-a-list-of-countries-in-java).
However, I would like to have the list of all country names (in English for example) and not the list of ISO2 country codes. How can I do that by programming in Java or Groovy ?
Thank you very much,
Fabien.
I have an app using an Oracle 11g database. I have a fairly large table (~50k rows) which I query thus:
SELECT omg, ponies FROM table WHERE x = 4
Field x was not indexed, I discovered. This query happens a lot, but the thing is that the performance wasn't too bad. Adding an index on x did make the queries approximately twice as fast, which is far less than I expected. On, say, MySQL, it would've made the query ten times faster, at the very least.
I'm suspecting Oracle adds some kind of automatic index when it detects that I query a non-indexed field often. Am I correct? I can find nothing even implying this in the docs.
Pretty basic programming question, I know PHP have a function for it, but does the iPhone OS have one?
I want to check if the current indexPath is a value in an array.
PHP Example:
<?php
$indexPath = 3;
$array = array("0", "1", "2", "3", "4");
if (in_array($indexPath, $array)) {
// Do something
}
?>
Does anybody know how to do the same thing inthe iPhone OS?