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“Warning: iPhone apps should include an armv6 architecture” even with build config set

... If you uncheck "Build Active Architecture Only", then it will build all the valid architectures. Update: This is no longer applicable as of Xcode 4 - follow Nick's instructions for Xcode 4 and later. share |...
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Intersection of two lists in Bash

... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort) – Alexander Bird Jan 15 '15 at 21:11 ...
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What are the best practices for catching and re-throwing exceptions?

...don't know how to respond to the failure } PHP 5.5 has introduced the finally keyword, so for cleanup scenarios there is now another way to approach this. If the cleanup code needs to run no matter what happened (i.e. both on error and on success) it's now possible to do this while transparently a...
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Iterate an iterator by chunks (of n) in Python? [duplicate]

...y_list[i:i + chunk_size] for i in range(0, len(my_list), chunk_size)] Finally, a solution that works on general iterators an behaves as desired is def grouper(n, iterable): it = iter(iterable) while True: chunk = tuple(itertools.islice(it, n)) if not chunk: return...
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Why do I need Transaction in Hibernate for read-only operations?

... You might actually have reasons to mark transactions as read-only. Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, it's just i...
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Sequence-zip function for c++11?

...ike the c++ stdlib. template <typename Iterator> void advance_all (Iterator & iterator) { ++iterator; } template <typename Iterator, typename ... Iterators> void advance_all (Iterator & iterator, Iterators& ... iterators) { ++iterator; a...
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What does “Git push non-fast-forward updates were rejected” mean?

... GitHub has a nice section called "Dealing with “non-fast-forward” errors" This error can be a bit overwhelming at first, do not fear. Simply put, git cannot make the change on the remote without losing commits, so it refuses the push. Usual...
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Why does the JVM still not support tail-call optimization?

Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now. ...
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What is a plain English explanation of “Big O” notation?

...a notation "Θ" (which is a two-side bound). In my experience, this is actually typical of discussions in non-academic settings. Apologies for any confusion caused. Big O complexity can be visualized with this graph: The simplest definition I can give for Big-O notation is this: Big-O notation is ...
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Is there a W3C valid way to disable autocomplete in a HTML form?

...complete", "off" ); someFormElm.setAttribute( "autocomplete", "off" ); Finally, if your site is using HTTPS, IE automatically turns off autocompletion (as do some other browsers, as far as I know). Update As this answer still gets quite a few upvotes, I just wanted to point out that in HTML5, you...