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• What is better and why to use List as thread safe: BlockingCollection or ReaderWriterLockSlim or lock?

  - by theateist

  I have System.Collections.Generic.List _myList and many threads can read from it or add items to it simultaneously. From what I've read I should using 'BlockingCollection' so this will work. I also read about ReaderWriterLockSlim' and 'lock', but I don't figure out how to use them instead ofBlockingCollection`, so my question is can I do the same with: ReaderWriterLockSlim lock instead of using 'BlockingCollection'. If YES, can you please provide simple example and what pros and cons of using BlockingCollection, ReaderWriterLockSlim, lock?

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• How to use a photo that has just been uploaded to Tomcat v6?

  - by Zombie_Colonel

  In an android application a user can upload a picture to a Tomcat server v6 in (Projet\WebContent\images) A second user can come at the same time display the picture thing not work it shows me: The requested resource is not available. I did what? I have to reboot the server? refresh? in a PHP page I upload pictures and then they are simply viewed by the user, for cons there I find difficulty with JEE

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• Can anyone explian C++ exception specifications to me?

  - by skyeagle

  Can anyone explain Exception Specifications as used in C++ ? When are they used (I have rarely seen it used in code) What are the pros and cons (benefits/disadvantages) of using exception specifications?

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• Mandatory method documentation

  - by Sjoerd

  On my previous job, providing all methods with javadoc was mandatory, which resulted in things like this: /** * Sets the Frobber. * * @param frobber The frobber */ public setFrobber(Frobber frobber) { ... } As you can see, the documentation adds little to the code, but takes up space and work. Should documenting all methods be mandatory or optional? Is there a rule for which methods to document? What are pros and cons of requiring every method to be documented?

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• SQL Server 2005 + JavaEE application on one computer in production

  - by Max

  We have project with a server witch have about 3000 requests at day from client. 30-40 on-line users. And smth about 30-40Gb data increase per year. And system should be on-line 24x7. Where can we locate the SQL server better? On one computer with JavaEE container or on standalone computer? What pros and cons on this ways?

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• Can anyone explain C++ exception specifications to me?

  - by skyeagle

  Can anyone explain Exception Specifications as used in C++ ? When are they used (I have rarely seen it used in code) What are the pros and cons (benefits/disadvantages) of using exception specifications?

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• Would I want to throw an exception or an error in this PHP script?

  - by Tower

  Hi, I have a PHP script that runs database queries. Now, if a query fails, should I trigger an error or throw an exception? I noticed that if I do the latter, the script execution will stop after facing the exception. My code is as follows: if (!$this->connection[0]->query($this->query)) throw new Exception($this->connection[0]->error); What are the pros and cons of using exceptions for this kind of cases (failed queries)?

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• Foreign keys - temporarily bypass?

  - by Industrial

  Hi, I have just started to learn about the pros of foreign keys in database design (mySQL / innoDB) and I wonder if there's any way to temporarily bypass the foreign key when doing a specific delete query, to just delete in the parent table, and not from the linked child tables. Thanks

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• Should we have separate database instance for each developer?

  - by Amitabh

  What is the best way for developing a database based application? We can have two approaches. One common database for all the developers. List item Separate database for all the developers. What are the pros and cons of each? And which one is better way?

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• Should i repeat lable text in for="...." and id=".."?

  - by metal-gear-solid

  Is there any cons of 2nd method? Why http://www.webstandards.org/ decided to use 2nd method Is first method better than first for screen reader users? First <label for="name">Name</label> <input id="name" /> Second <label for="n">Name</label> <input id="n" />

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• Wordpress Hooks vs. includes?

  - by Chris J. Lee

  This is somewhat a subjective question. Noticed themes like thematic and carrington use hooks to display their themes. Trying to figure out which works best for a more efficient workflow. Which seems more efficient at theming? Trying to weigh in the cons and pros of hooks vs. just including static files.

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• IList<T> versus Collection<T> as property

  - by Brian Triplett

  I have a class with a internal array field. I want to expose this array as a property, such that it maintains as much funtionallity of the orginal array but does not violate abstraction by exposing the array directly. What are the various methods and pros and cons? I'm thinking specifically about IList<T> or Colleciton<T>

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• What browser incompatibilities does jquery solve?

  - by pd1138

  I'm currently on the fence about using or not using jquery. I've spent hours researching the pros and cons of using jquery (or any library for that matter). One of the big selling points of jquery is that it frees a developer from worrying about browser incompatibilities. I've tried to find any documentation on exactly which incompatibilities it overcomes. So far I haven't found any. Can anyone help me out with this.

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• Problem with background in IE, all other browser work excellent.... please help...i almost get fired

  - by Tran

  Hello pros out there, I have this problem with background in IE PC, all other browsers including Mac Safari work excellent.... please help...i almost get fired... link is: http://www.imageoneads.com/missiongallery/index.htm Thanks so much tran006

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• What is the difference Between String and string?

  - by Phsika

  What is the difference Between String and string or Double and double? if i use : double s1; or if i use Double s1; can you give pros and cons?

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• should one use phpunit or lime with symfony?

  - by fayer

  i just wonder, should one use symfony's lime or phpunit for testing? what are the pros and cons with each one? thanks

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• SQL Server Text type v.s. varchar data type

  - by George2

  Hello everyone, I have variable length character and want to store in SQL Server (2005) database. I want to learn some best practices about how to choose TEXT SQL type or choose VARCHAR SQL type, pros and cons in performance/footprint/function. thanks in advance, George

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• Why the size of a pointer is 4bytes in C++

  - by skydoor

  Hi On the 32-bit machine, why the size of a pointer is 32-bit? Why not 16-bit or 64-bit? What's the cons and pros?

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• Should I repeat label text in for="...." and id=".."?

  - by metal-gear-solid

  Is there any cons of 2nd method? Why http://www.webstandards.org/ decided to use 2nd method Is first method better than first for screen reader users? First <label for="name">Name</label> <input id="name" /> Second <label for="n">Name</label> <input id="n" />

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• What is the most efficient way to create emtpy ListBuffer ?

  - by drypot

  What is the most efficient way to create emtpy ListBuffer ? val l1 = new mutable.ListBuffer[String] val l2 = mutable.ListBuffer[String] () val l3 = mutable.ListBuffer.empty[String] There are any pros and cons in difference ?

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• What object mapper solution would you recommend for .NET? [closed]

  - by Paul

  There are many ORM solutions out there, so in your experiences what seems to be the best choice? NHibernate or Subsonic, Genome,DLinq, LLBLGen - there seems to be a plethora of options, so pros and cons please people.

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• Creating C# Classes at runtime

  - by John Hartsock

  Hello, I have been curious about dynamically create class at runtime in C# and stumbled across this article. http://olondono.blogspot.com/2008/02/creating-code-at-runtime.html I am curious to hear some pros and cons regarding construction of a class at runtime. Any opinions?

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• A more flexible and agile compiled language - possible?

  - by sdudo

  I have a short question that I have been thinking about for some time now so why shouldn't I ask it here on SO: Is it theoretically possible to create a compiled, yet more agile, flexible and rapid-development-friendly language? If so: Where would be the pros and cons? Why isn't there one yet?

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• What's the catch to create _names _of _fields _like _these in java?

  - by Roman

  From time to time I see something like this: class Clazz { private int _goodName; private int _anotherGoodName; ... } I don't get it. It's hard and unusual to read such code. What are the pros?

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• Using an icon for links opening an lightbox

  - by Logistetica

  Hi, On one of our sites we decided to use lighboxes in 2 instances. I am aware of pros and cons of using lightboxes so this is not a topic for a discussion. But I'd like to get your opinion about using small icons denouncing that clicking link will open a lightbox. Something like below. What do you think?

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