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How to make my custom type to work with “range-based for loops”?
...n overload will not be called by a for(:) loop. See [stmt.ranged] 1.2-1.3 from n4527.
² Either call the begin/end method, or ADL-only lookup of free function begin/end, or magic for C-style array support. Note that std::begin is not called unless range_expression returns an object of type in nam...
How to save traceback / sys.exc_info() values in a variable?
...ng traceback module. Is there someway we can just print trace-back details from this object reference? sys.exc_info()[2]
– codersofthedark
Nov 23 '11 at 8:24
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Relatively position an element without it taking up space in document flow
... absolute; left: 100px; top: 100px">
Hi there, I'm 100px offset from where I ought to be, from the top and left.
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How can I convert my Java program to an .exe file? [closed]
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UPDATE: GCJ is dead. It was officially removed from the GCC project in 2016. Even before that, it was practically abandoned for seven years, and in any case it was never sufficiently complete to serve as a viable alternative Java implementation.
Go find another Java AOT c...
Are std::vector elements guaranteed to be contiguous?
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This was missed from C++98 standard proper but later added as part of a TR. The forthcoming C++0x standard will of course contain this as a requirement.
From n2798 (draft of C++0x):
23.2.6 Class template vector [vector]
1 A vector ...
How to remove leading and trailing zeros in a string? Python
... is also a general solution that strips both leading and trailing elements from an iterable:
Code
import more_itertools as mit
iterables = ["231512-n\n"," 12091231000-n00000","alphanum0000", "00alphanum"]
pred = lambda x: x in {"0", "\n", " "}
list("".join(mit.strip(i, pred)) for i in iterables...
How to install 2 Anacondas (Python 2 and 3) on Mac OS
...PATH, so that when you type python at the terminal it will load the Python from that environment.
If you don't want all of Anaconda, you can replace anaconda in the command above with whatever packages you want. You can use conda to install packages in that environment later, either by using the -...
Best way to create custom config options for my Rails app?
...s
production:
<<: *defaults
This configuration file gets loaded from a custom initializer in config/initializers:
# Rails 2
APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[RAILS_ENV]
# Rails 3+
APP_CONFIG = YAML.load_file(Rails.root.join('config/config.yml'))[Rails.env]
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Why does an image captured using camera intent gets rotated on some devices on Android?
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From @JasonRobinson code's I learn how to get the actual orientation and by combining with these code I'm successfully manage the orientation.
– Raditya Kurnianto
Sep 21 '14 at 4:31
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What are the undocumented features and limitations of the Windows FINDSTR command?
... is not the offset of the match within the line. It is the number of bytes from the beginning of the file to the beginning of the line.
text = The binary representation of the matching line, including any <CR> and/or <LF>. Nothing is left out of the binary output, such that this example ...