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F# development and unit testing?
... first functional language. I have been working quasi-exclusively with C#, and enjoy a lot how F# leads me to re-think how I write code. One aspect I find a bit disorienting is the change in the process of writing code. I have been using TDD for years in C# now, and really appreciate to have unit te...
When should I use a struct rather than a class in C#?
When should you use struct and not class in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole.
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Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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Are PHP short tags acceptable to use?
...A if you ever have to move your code to a server where it's not supported (and you can't enable it). As you say, lots of shared hosts do support shorttags but "lots" isn't all of them. If you want to share your scripts, it's best to use the full syntax.
I agree that <? and <?= are easier on p...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...emove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-open console/IDE.
Welcome!
You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message.
In a nutshell, yo...
What is the difference between buffer and cache memory in Linux?
...ear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy:
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How to work with Git branches and Rails migrations
I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
... access to almost all useful Perl modules available on CPAN - but prepared and tested for Windows. This was for me, in the long run, a much better (and more robust) choice. Even for the Windows version of the Apache HTTP server, there is a precompiled mod_perl (2.0.4) ppm available which will (did f...
Are global variables bad? [closed]
..., it becomes increasingly hard to figure out which functions actually read and write these variables.
To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will get harder...
Do HttpClient and HttpClientHandler have to be disposed between requests?
System.Net.Http.HttpClient and System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker ).
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