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• Would you hire a developer who doesn't know how to use regular expressions?

  - by Neil

  Would you hire a developer who doesn't know how to use regular expressions? That's about it, please state your reasons for or against, and feel free to give different answers for different situations. Just try to break up your answers if you can.

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• Initialising structs in C++

  - by Neil Butterworth

  As an addendum to this question, what is going on here: #include <string> using namespace std; struct A { string s; }; int main() { A a = {0}; } Obviously, you can't set a std::string to zero. Can someone provide an explanation (backed with references to the C++ Standard, please) about what is actually supposed to happen here?…

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• How often do you implement the big three?

  - by Neil Butterworth

  I was just musing about the number of questions here that either are about the "big three" (copy constructor, assignment operator and destructor) or about problems caused by them not being implemented correctly, when it occurred to me that I could not remember the last time I had implemented them myself. A swift grep on my two most active…

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• How do you edit tab labels per tab in GVim?

  - by Neil

  How do you edit a tab label, per tab, in GVim? You can do this: set guitablabel=foo But that will set every tab's label to "foo". The documentation seems to suggest using a t:var, like this: let t:guitablabel="foo" But it doesn't do anything. Is there any way to give each different tab a different name?

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• How do I combine hash values in C++0x?

  - by Neil G

  C++0x adds hash<...>(...). I could not find a hash_combine function though, as presented in boost. What is the cleanest way to implement something like this? Perhaps, using C++0x xor_combine?

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• why aren't strongly typed C++0x enumerations comparable to each other?

  - by Neil G

  why aren't strongly typed C++0x enumerations comparable to each other?

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• Providing *implicit* conversion operator for template specialization

  - by Neil G

  I have a templated sparse_vector<T> class, and I am also using Boost UBLAS. How would I provide implicit conversions between sparse_vector<double> and boost::numeric::ublas::compressed_vector<double>? I would also like to provide similar conversions between std::vector<double> and…

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• Factory vs instance constructors

  - by Neil N

  I can't think of any reasons why one is better than the other. Compare these two implementations: public class MyClass { public myClass(string fileName) { // some code... } } as opposed to: public class MyClass { private myClass(){} public static Create(string fileName) …

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• WCF COM+ component

  - by Neil B

  I have a C# WCF client that is wrapped for COM+ Enterprise Services. I install the component on the target machine and use regsvcs to put it into Component services. My question is, where will it look for it's configuration file, as it is running under the dllhost process rather than a regular exe?

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• Is an editable select box the right way?

  - by Neil Middleton

  I have a scenario where a user is emailing another user in an HTML based web app. For the To: field, the user may select one of a pre-defined list of emails OR enter their own ignoring the pre-defined options. What would be the best way of doing this from a UI point of view? I've looked at editable…

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• ASP.NET MVC: Do I really have to create one view per action?

  - by Neil Barnwell

  If I have a fairly crud-based area of my app, do I really have to create separate "Create" and "Edit" views? The HTML will be practically the same. I want an "Edit" and "Create" action to both render a "Show.aspx" view, but certainly Resharper 5 is complaining about there being no "Show" action. …

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• Windows API Codepack - TaskDialog on Window XP

  - by Neil Barnwell

  I don't have an XP machine handy. If I use the TaskDialog via the Windows API Codepack in C#, how will it look/work on Windows XP machines?

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• How do you use boost iterators

  - by Neil G

  It worked, and then I added the typedefs so that I could have a const_sparse_iterator as well. Now, when I compile this and try to use sparse_iterator, it says: /Users/neilrg/nn/src/./core/sparse_vector.h:331: error: invalid use of incomplete type 'struct sparse_vector<A>::sparse_iterator' …

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• Swap image with jquery and show zoom image

  - by Neil Bradley

  Hi there, On my site I have 4 thumbnail product images that when clicked on swap the main image. This part is working okay. However, on the main image I'm also trying to use the jQZoom script. The zoom script works for the most part, except that the zoomed image always displays the zoom of the…

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• Command Query Separation validating for retries

  - by Neil Barnwell

  So I'm comfortable with the basic concept of CQS, where you might have a command that writes to one database, and that updates the query database that you read from. However, consider the scenario where you are entering data, and want to prevent duplicates. Using new employee data entry an…

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• When is C++ covariance the best solution?

  - by Neil Butterworth

  This question was asked here a few hours ago and made me realise that I have never actually used covariant return types in my own code. For those not sure what covariance is, it's allowing the return type of (typically) virtual functions to differ provided the types are part of the same…

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• C++0x unique_ptr replaces scoped_ptr taking ownership?

  - by Neil G

  I used to write code like this: class P {}; class Q: public P {}; class A { // takes ownership A(P* p): p_(p) {} scoped_ptr<P> p_; }; A a(new Q); With C++0x, should I rewrite class A as: class A { // takes ownership A(unique_ptr<P>&&…

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• Where does MSBuild store it's options, and how can I change them?

  - by Neil

  We have a large project at work, under source control, including an MSBuild file to run the build. Recently, the build has stopped working on my machine (I get errors saying that 'zzz' is ambiguous in the namespace 'yyy'). The same MSBuild file is working fine on both the build…

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• Is there a C++0x syntax file for vim?

  - by Neil G

  In particular, the display of initialization lists is really bad: vector<int> v({1,2,3}); will highlight the curly braces in red (denoting an error.)

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• Changing image domain / path in css for production?

  - by Neil

  Currently, for things like background images, our css files have no domain specified. This works both in our development and production environments. background-image: url(/images/bg.png); For performance reasons (cookie-less domain), we'd like to switch this: …

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• Using boost::iterator_adaptor

  - by Neil G

  I wrote a sparse vector class (see #1, #2.) I would like to provide two kinds of iterators: The first set, the regular iterators, can point any element, whether set or unset. If they are read from, they return either the set value or value_type(), if they are…

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• What is the difference between type.__getattribute__ and object.__getattribute__?

  - by Neil G

  Given: In [37]: class A: ....: f = 1 ....: In [38]: class B(A): ....: pass ....: In [39]: getattr(B, 'f') Out[39]: 1 Okay, that either calls super or crawls the mro? In [40]: getattr(A, 'f') Out[40]: 1 This is expected. In [41]:…

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• Classic ASP shopping cart discounts

  - by Neil Bradley

  Hi there, I have a Classic ASP shopping cart, but I need to add in an option to enter a promo code and (if valid) apply a discount to the total. There is a promo codes table that stores the promotional codes and the value of the discount to apply. So I…

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• How do I convince Eclipse to show javadoc documentation under Ubuntu 9.04 for openjdk?

  - by Neil Trodden

  I'm having a pretty hard time with this! I have installed the java documentation at: file:///usr/share/doc/openjdk-6-jre/api/index.html And loading that file up does show me all the documentation. However, I would like to browse it directly from…

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• Configuring log4j at runtime

  - by Neil

  I'm using org.apache.tools.ant.listener.Log4jListener to manage logging with my ant script. The ant script is highly configurable and designed to be run different ways with different parameters and therefore I need to be able to log to files specified…

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