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Class does not implement its superclass's required members
So I updated to Xcode 6 beta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes.
4 Ans...
What exactly are “spin-locks”?
...ritical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel ob...
Difference between JSP EL, JSF EL and Unified EL [closed]
...difference between the Expression Languages (EL).
There is JSP EL, JSF EL and Unified EL.
2 Answers
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How using try catch for exception handling is best practice
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My exception handling strategy is :
To catch all unhandled exceptions by hooking to the Application.ThreadException event, then decide :
For a UI application: to pop it to the user with an apology message (winforms)
For a Service or a ...
RESTful Services - WSDL Equivalent
I have been reading about REST and SOAP, and understand why implementing REST can be beneficial over using a SOAP protocol. However, I still don't understand why there isn't the "WSDL" equivalent in the REST world. I have seen posts saying there is "no need" for the WSDL or that it would be redund...
Storing Images in PostgreSQL
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Updating to 2012, when we see that image sizes, and number of images, are growing and growing, in all applications...
We need some distinction between "original image" and "processed image", like thumbnail.
As Jcoby's answer says, there are two options, then, I recommend:
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
4 Answers
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What is Haskell used for in the real world? [closed]
...world applications. What are the most popular projects / usages of Haskell and why it excels at solving these problems?
10 ...
Configure WAMP server to send email
...auth_password=your_password
The above will work against a Gmail account.
And then configure php.ini:
sendmail_path = "C:\wamp\sendmail\sendmail.exe -t"
Now, restart Apache, and that is basically all you need to do.
sha...
CSS scrollbar style cross browser [duplicate]
...CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox.
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