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Is the “struct hack” technically undefined behavior?

... It's not clear if it's legal or portable, but it is rather popular. and: ... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might iss...
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iPhone: How to get current milliseconds?

... I've been using this method for a while and came to realise it can return an earlier value when you call it after couple of miliseconds (e.g. call it consecutively and you might not end up with an increasing sequence) – Ege Akpinar ...
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Simulate delayed and dropped packets on Linux

I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this? ...
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Delete duplicate rows from small table

...table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values. ...
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Summarizing multiple columns with dplyr? [duplicate]

... a bit with the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R. ...
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Ruby: How to post a file via HTTP as multipart/form-data?

...ke an HMTL form posted from a browser. Specifically, post some text fields and a file field. 12 Answers ...
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Scala framework for a Rest API Server? [closed]

... I've been enjoying what I've been learning these days with the Scala book and all the blog posts and questions (it's not so ugly!) ...
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Multiline strings in VB.NET

... - I typically find it more readable to put tokens in the string constant, and then replace them. So s="... a=~someint~ ..." and then s=s.Replace("~someint~', SomeInt). – Herb Caudill Aug 17 '11 at 9:44 ...
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Remote Connections Mysql Ubuntu

... been unable to connect remotely to my MySQL server. I've tried everything and I'm still getting errors. 5 Answers ...
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REST API Token-based Authentication

... Let me seperate up everything and solve approach each problem in isolation: Authentication For authentication, baseauth has the advantage that it is a mature solution on the protocol level. This means a lot of "might crop up later" problems are already ...