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Creating an abstract class in Objective-C
...s with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible?
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ActionController::InvalidAuthenticityToken
Below is an error, caused by a form in my Rails application:
24 Answers
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
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Problem: (Sql server 2014) This issue happens when assembly Microsoft.SqlServer.management.sdk.sfc version 12.0.0.0 not found by visual studio.
Solution: just go to http://www.microsoft.com/en-us/download/details.aspx?id=42295 and download:
ENU\x64\SharedManage...
Ensure that HttpConfiguration.EnsureInitialized()
I've installed Visual Studio 2013 and when I run my app I get the error below.
14 Answers
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How does deriving work in Haskell?
...ese type classes: http://www.haskell.org/onlinereport/derived.html#derived-appendix
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Why is Go so slow (compared to Java)?
... the next release of the Go FAQ, something similar to the following should appear.
Performance
Why does Go perform badly on benchmark
X?
One of Go's design goals is to
approach the performance of C for
comparable programs, yet on some
benchmarks it does quite poorly,
includin...
Bulk insert with SQLAlchemy ORM
...e in performance on the server side resulting in about 10x more inserts/s. Apparently is bulk-loading using \copy (or COPY on the server) using a packing in communicating from client-to-server a LOT better than using SQL via SQLAlchemy. More info: Large bulk insert performance difference PostgreSQL ...
Python __str__ versus __unicode__
...s override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it necessary/good practice to implement both?
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
I am working on an internal web application at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and th...
What should a Multipart HTTP request with multiple files look like? [duplicate]
I'm working on an iPhone app that makes a multipart HTTP request with multiple image files.
2 Answers
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