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What is a vertical tab?
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Microsoft Word uses VT as a line separator in order to distinguish it from the normal new line function, which is used as a paragraph separator.
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How to get a specific output iterating a hash in Ruby?
...ash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
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When is “i += x” different from “i = i + x” in Python?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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SQLAlchemy: cascade delete
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I had to set passive_deletes='all' in order to get the children to be deleted by the database cascade when the parent is deleted. With passive_deletes=True, children objects were getting disassociated (parent set to NULL) before the parent is deleted, so the data...
How does the const constructor actually work?
...peated calculations, or to make it possible to impose a meaningful sorting order.
This means that const expressions like const Foo(1, 1) can represent any usable form that is useful for comparison in virtual machine.
The VM only needs to take into account the value type and arguments in the orde...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...hpp"
#include "boost/multi_index/member.hpp"
#include "boost/multi_index/ordered_index.hpp"
#include "boost/multi_index/composite_key.hpp"
#include "boost/multi_index/identity.hpp"
#include "boost/multi_index/sequenced_index.hpp"
#include "boost/multi_index/mem_fun.hpp"
using boost::multi_i...
How can I link to a specific glibc version?
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it gives a nice overview of the build steps:
Available build steps, in order:
- companion_tools_for_build
- companion_libs_for_build
- binutils_for_build
- companion_tools_for_host
- companion_libs_for_host
- binutils_for_host
- cc_core_pass_1
- kernel_headers
- libc_start_file...
Mediator Vs Observer Object-Oriented Design Patterns
I have been reading the Gang Of Four , in order to solve some of my problems and came across the Mediator pattern.
8 Ans...
How to change a django QueryDict to Python Dict?
...licitly iterating the dictionary contents: dict(querydict.iterlists())
In order to retrieve a dictionary-like value that functions as the original, an inverse function uses QueryDict.setlist() to populate a new QueryDict value. In this case, I don't think the explicit iteration is avoidable.
My h...
Flatten nested dictionaries, compressing keys
...atten(...) can be recovered from the alleged duplicate by mapping a higher-order accumulator, one cannot recover the keys. (edit: Also it turns out that the alleged duplicate owner's question is completely different, in that it only deals with dictionaries exactly 2-level deep, though one of the ans...