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• How to deferentiate between Programmer and JVM Exceptions

  - by Haxed

  As the title suggests, how can I tell a JVM thrown exception from a Programmatically(does this mean, thrown by a programmer or the program) thrown exception ? JVM Exceptions 1) ArrayIndexOutOfBoundsException 2) ClassCastException 3) NullPointerException Programmatically thrown 1) NumberFormatException 2) AssertionError Many Thanks

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• Programmer’s block

  - by Kev

  Any one suffer from programmer’s block, if so how do you kick start your brain again? I’ve been working on a project since I returned from two weeks holiday, it’s a piece of cake to finish but I’ve done everything but pull my finger out and finish the damn thing.

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• What should every ASP.Net programmer know ?

  - by Glennular

  How does one be called a ninja ASP.Net programmer? What set of tools and immediate knowledge(Without having to open MSDN, SO, or Google) should be known to be considered a master? Webforms or MVC...

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• What should every PHP programmer know ?

  - by Waseem

  I would to be a PHP/Mysql Programmer what is the technologies that i must know ? Like :- Frameworks IDEs Template Engines Ajax and Css Frameworks please tell me the minimum requirements that i must know , and tell me your favourite things in the previous list ? thanks

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• Does Jquery add value to JAVA / J2ee Programmer

  - by harigm

  I am java J2ee Programmer, I came across Jquery some where in Stack over flow, If I am Planning to learn Jquery My question is 1) Does Jquery Add any additional weightage in my Java / J2ee Career 2) If Yes, What way it can help me

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• How do you go from a so so programmer to a great one? [closed]

  - by Cervo

  How do you go from being an okay programmer to being able to write maintainable clean code? For example David Hansson was writing Basecamp when in the process he created Rails as part of writing Basecamp in a clean/maintainable way. But how do you know when there is value in a side project like that? I have a bachelors in computer science, and I am about to get a masters and I will say that colleges teach you to write code to solve problems, not neatly or anything. Basically you think of a problem, come up with a solution, and write it down...not necessarily the most maintainable way in the world. Also my first job was in a startup, and now my third is in a small team in a large company where the attitude was/is get it done yesterday (also most of my jobs are mainly database development with SQL with a few ASP.NET web pages/.NET apps on the side). So of course cut/paste is more favored than making things more cleanly. And they would rather have something yesterday even if you have to rewrite it next month rather than to have something in a week that lasts for a year. Also spaghetti code turns up all over the place, and it takes very smart people to write/understand/maintain spaghetti code...However it would be better to do things so simple/clean that even a caveman/woman could do maintenance. Also I get very bored/unmotivated having to go modify the same things cut/pasted in a few locations. Is this the type of skill that you need to learn by working with a serious software organization that has an emphasis on maintenance and maybe even an architect who designs a system architecture and reviews code? Could you really learn it by volunteering on an open source project (it seems to me that a full time programmer job is way more practice than a few hours a week on an open source project)? Is there some course where you can learn this? I can attest that graduate school and undergraduate school do not really emphasize clean software at all. They just teach the structures/algorithms and then send you off into the world to solve problems. Overall I think the first thing is learning to write clean/maintainable code within the bounds of the project in order to become a good programmer. Then the next thing is learning when you need to do a side project (like a framework) to make things more maintainable/clean even while you still deliver things for the deadline in order to become a great programmer. For example, you are making an SQL report and someone gives you 100 calculations for individual columns. At what point does it make sense to construct a domain specific language to encode the rules in simply and then generate all the SQL as opposed to cut/pasting the query from the table a bunch of times and then adjusting each query to do the appropriate calculations. This is the type of thing I would say a great programmer would know. He/she would maybe even know ways to avoid the domain specific language and to still do all the calculations without creating an unmaintainable mess or a ton of repetitive code to cut/paste everywhere.

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• Best Ergonomic trackball (finger-operated, with scroll wheel) for programmer

  - by Clay Nichols

  We programmers are at great risk of RSI. After 10 years, I was having shoulder problems and switched to a trackball, which helped, then switched to my left hand which helped even more. I'm looking for a good finger-operated trackball with a scroll wheel. (I do not like the ones where you control the ball w/ your thumb. My thumb isn't as dexterous). I also want to have a scroll wheel. I currently use a Logitech Marble Mouse but the scrolling implementation is very poor. EDIT: I just tried the Marble Scroll (free software that provides better scrolling. Works great. Another option is the KatMouse addon (which I've not tried) for trackballs. I hear the old Logitech Trackman was very good, but is no longer available. Anyone have experience with the Marble Mouse (and the above fixes) ? Or any suggestions of a good trackball.

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• Explain ML type inference to a C++ programmer

  - by Tsubasa Gomamoto

  How does ML perform the type inference in the following function definition: let add a b = a + b Is it like C++ templates where no type-checking is performed until the point of template instantiation after which if the type supports the necessary operations, the function works or else a compilation error is thrown ? i.e. for example, the following function template template <typename NumType> NumType add(NumType a, NumType b) { return a + b; } will work for add<int>(23, 11); but won't work for add<ostream>(cout, fout); Is what I am guessing is correct or ML type inference works differently? PS: Sorry for my poor English; it's not my native language.

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• Too late to become a programmer?

  - by Tomas

  Hi, Working in IT for 5 years, I focused on system integration - testing, performance tests and analysis, automation etc. Altough I am working for one of the biggest IT companies, I have the possibility to come up with my own ideas and realize them - for example I have written C# (with SQL backend) bugtracker application with management elements...and I really liked it. I am very creative person but being 25 y/o, I am wondering whether it is too late. I understand the logic of programming but as I was never very good in math I assume I have no chance to become professional programmer in this age. What do you think? Thanks

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• How can an amateur programmer become professional without formal education (college) outside the US

  - by AlexRednic

  What is the path? Do I get certified (Microsoft,Sun,etc)? How do I build reputation? How do I make myself valuable without a college degree? How do I make others recognize my value? These are just a few questions but all point in the same direction. Are any of you in the same situation? What paths did you follow to become a successful programmer without the need of formal education?

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• Freeware Programmer Calculator

  - by AdamC

  There have been lots of times in the past where a good programmer-oriented calculator would've saved me a lot of time. Lately, I've been doing quite a lot of bit manipulation, and having to do build/run to debug my calculations feels really slow. I've looked for something like this in the past, but found nothing that worked very well. The only thing that comes close is this one from AnalogX, but I can't get it to work or really do anything on my vista box which is where I'm doing most of my work at the moment. (btw - please send comments about my vista usage here;). Anyway, I'm looking for something for simple calculations using a C-like syntax with support for proper precenedce, operators, etc. Bonus points for cross-platform. The python interpreter was a great idea and is totally cross-platform. For windows only SpeQ is amazing. Thanks for the suggestions.

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• Career advice for a frustrated newbie programmer.

  - by Satoru.Logic

  Hi, all. This is my first year as a programmer. The programming language that I'm most familiar with is Python. I am maintaining a web2py based legacy system, alone, which means I have to grow up as an all-rounder. The original programmers on this project are nowhere to find, and there are hardly any usable documents about requirements or anything. I find it very frustrating every time I hear the users criticize the system, and I can't help explaining that "that was not my fault, those mess was there even before I entered this company." I wonder what should I do with this situation. Please give me some advice, thanks in advance.

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• Exercise 26 of The Pragmatic Programmer

  - by _ande_turner_

  There is a code snippet presented in The Pragmatic Programmer on page 143 as: public class Colada { private Blender myBlender; private Vector myStuff; public Colada() { myBlender = new Blender(); myStuff = new Vector(); } private doSomething() { myBlender.addIngredients(myStuff.elements()); } } This obeys the Law of Demeter / Principle of Least Knowledge. Is it preferable to, and are there any caveats for, replacing it with the following, which utilises Dependency Injection? public class Colada throws IllegalArgumentException { private Blender myBlender; private Vector myStuff; public Colada(Blender blender, Vector stuff) { blender == null ? throw new IllegalArgumentException() : myBlender = blender; stuff == null ? throw new IllegalArgumentException() : myStuff = stuff; } public getInstance() { Blender blender = new Blender(); Vector stuff = new Vector(); return new Colada(blender, stuff); } private doSomething() { myBlender.addIngredients(myStuff.elements()); } }

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• Pro JavaScript programmer interview questions (with answers)

  - by WooYek

  What are good questions to determine if applicant is really a pro JavaScript developer? Questions that can distinguish if someone is not an ad-hoc JavaScript programmer, but is really doing professional JavaScript development, object-oriented, reusable, and maintainable. Please provide answers, so an intermediate and ad-hoc JavaScript programmers can interview someone more experienced, coming up with answers to quite few of those advanced questions will elude me. Please avoid open questions. Please keep one interview question/answer per SO answer for better reading experience and easier interview preparation. It's possible duplicate, but there only questions and no answers (mostly): Advanced JavaScript Interview Questions What questions should every good JavaScript developer be able to answer?

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• Programmer productivity by programming language?

  - by Jason Baker

  In code complete, there's a nice table listing how productive a programmer is depending on language. Jeff Atwood has a nice blog post about it. This chart is at least 4 years old by now. I'm curious: have there been any more recent studies done on this? (insert standard anti-flamewar boilerplate here... we're all adults) Update: I appreciate everyone's opinions on the subject and whether or not this is a relevant question or not. But that's not really what I'm asking for. I'm wanting any studies on the subject. I'm inclined to agree with most of the opinions posted thus far, but I'd like to see if there's any research to back that up. And I'm also aware that choice of programming language is a complicated subject that depends on other factors like developer familiarity. To me, this is all the more reason to have these kinds of discussions backed by research. Also, thanks for the link, Robert Gamble.

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• Pro JavaScript programmer interview questions

  - by WooYek

  What are good questions to determine if applicant is really a pro JavaScript developer? Questions that can distinguish if someone is not an ad-hoc JavaScript programmer, but is really doing professional JavaScript development, object-oriented, reusable, and maintainable. Please provide answers, so an intermediate and ad-hoc JavaScript programmers can interview someone more experienced, coming up with answers to quite few of those advanced questions will elude me. Please avoid open questions. Please keep one interview question/answer per SO answer for better reading experience and easier interview preparation. It's possible duplicate, but there only questions and no answers (mostly): Advanced JavaScript Interview Questions What questions should every good JavaScript developer be able to answer?

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• Programmer's editor or IDE for C code

  - by Yktula

  I feel like this question has been repeated here, but I couldn't find it. What open-source programmer's editor or IDE is best for writing code in C? A GUI and integration with Clang for static code analysis or git for version control would be convenient, but aren't necessary. I would ideally use two editors: one feature-filled IDE and one with a small memory footprint, but editors like jEdit, Geany, Diakonos, nano, etc. don't satisfy many of my needs, which include: Good support for refactoring and code completion. Extensibility in C or a "modern" scripting language (i.e. Ruby or Python) Relatively good performance and lack of bloated-ness

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• What is your best programmer joke?

  - by hmason

  When I teach introductory computer science courses, I like to lighten the mood with some humor. Having a sense of fun about the material makes it less frustrating and more memorable, and it's even motivating if the joke requires some technical understanding to 'get it'! I'll start off with a couple of my favorites: Q: How do you tell an introverted computer scientist from an extroverted computer scientist? A: An extroverted computer scientist looks at your shoes when he talks to you. And the classic: Q: Why do programmers always mix up Halloween and Christmas? A: Because Oct 31 == Dec 25! I'm always looking for more of these, and I can't think of a better group of people to ask. What are your best programmer/computer science/programming jokes?

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• What should every programmer know about security ?

  - by M.H

  I am an IT student and I am now in the 3rd year in university,until now we are studing a lot of subjects related to computer in general (Programming,Algorithms,Computer architecture,maths....etc). But there is a whole world called security we are very far from it ,I mean here security in general(Computers Security,Interner Security,Networks Security,hacking,cracking...etc). I am very sure that nobody can learn every thing about security but sure there is a "minimum" knowledge every programmer or IT student should know about it and my question is what is this minimum knowledge ? can you suggest some E-books or courses or any thing can help to start with this road ?

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• Open Source Contribution for a newbie programmer.

  - by sasayins

  Hi, I am teaching programming to my nephews and I want them to improve their skills by contributing to open source projects. Now my question is, do you know any open source project that suit for a newbie programmer. What I mean is, the project does not have a large codebase, the project is very interesting and the project is written in C because I chose C language as their starting language but you can suggest other project made in other language. My goal here are to improve their logic by reading other source codes, familiarize to the available development tools like bug tracker, version control system, etc. and open their interest in open source community. Thanks. =)

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• What is a programmer's life like?

  - by Zee JollyRoger

  Imagine like an 8-hour long video of any "typical/average" programming job. What is it like? Before I get myself involved in that path, what can I expect? I am interested in gathering first-hand information and accounts of the typical life of a programmer. My goal is to grasp the fundamental concepts of working in the professional field of programming. I just want to "see" into what it is/means to come to an entry-level programming job and program. See what kind of skills, mentality, expectations, and such are required.

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• PHP Programmer wanting to learn Spring

  - by grokker

  I'm a PHP programmer and I want to try creating a webapp using the Spring framework. The problem is I'm clueless and I don't know where to start. What tutorials/books/websites do you guys suggest that I should learn from? What's IoC? Do I use it alongside MVC? What components of the Spring framework should I use? How do I know what to use? Are there webapps created with Spring that I could study from? Thank you so much in advance! P.S. I've used Struts (1) about a year ago.

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• Salary of a junior freelancer programmer

  - by Frank

  Hi, I'm pursuing my PhD in CS and starting freelancing to pay bills and get some experience. Since I'm new in the freelancing field, I was wondering how much you would charge for a junior programmer to do some work. Like many, I've started freelancing for website. I'm doing pretty much all the work (design, programming, finding hosting/domain). I would like to give details to my client in order for them to know how much cost every part involved in website development. How much should I charge? Charing a hourly rate or a price for the whole project? How you did it and why? Thanks

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• How does a programmer think?

  - by Gordon Potter

  This may be a hopelessly vague question. But I am interested to hear whatever logical thought processes people go through when learning a new concept or trying to get their brain around code they might not have ever seen before. Basically, what general steps does one take to to break down problems and what does it take to "get it"? If you were to diagram a flowchart of how your mental process works when you look at code or try to solve a problem what might it look like? What common references, tips, and mental assumptions do you find useful in problem solving? How is this different between different domains? For example in what ways is a web programmer's thought process similar or different from a traditional desktop app developer's process?

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• How to keep code maintainable after original programmer quit

  - by Stan

  Say if it's a 10 people project, 2-3 of the original programmer quit after the project has been release a stable version for a while. How to have the code maintainable in this case? My imagination is reviewing the code after the project goes to release version and keep review it afterwards? Maybe split into 2-3 small groups and have each group review part of the code. So at least 3-4 people are familiar with part of code. Does this work? How do companies deal with this issue? Usually how many percentage of time spent on reviewing the code? Please advise, thanks to community.

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