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Why does Python code use len() function instead of a length method?
...... def len(self):
... return len(self)
...
>>> class Set(set):
... def len(self):
... return len(self)
...
>>> my_list = List([1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F'])
>>> my_dict = Dict({'key': 'value', 'site': 'stackoverflow'})
>>> my...
boost::flat_map and its performance compared to map and unordered_map
... recommend doing this:
u64 g_correctionFactor; // number of clocks to offset after each measurement to remove the overhead of the measurer itself.
u64 g_accuracy;
static u64 const errormeasure = ~((u64)0);
#ifdef _MSC_VER
#pragma intrinsic(__rdtsc)
inline u64 GetRDTSC()
{
int a[4];
__cpu...
How to get rspec-2 to give the full trace associated with a test failure?
...in spec_helper.rb. I like this solution most as I'm able to keep all RSpec settings in one place and get rid of .rspec file or explicit --backtrace in .travis.yml.
# spec_helper.rb
RSpec.configure do |config|
config.backtrace_exclusion_patterns = []
end
...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...
Adding libEGL.dll did not worked. However, setting the following environment variable worked for me: QT_QPA_PLATFORM_PLUGIN_PATH=%QTDIR%\plugins\platforms\
– arsalank2
Jun 24 '15 at 11:34
...
What is causing this ActiveRecord::ReadOnlyRecord error?
...it (or finder-scope-inherited) :readonly option (see the implementation of set_readonly_option! in active_record/base.rb for Rails 2.3.4, or the implementation of to_a in active_record/relation.rb and of custom_join_sql in active_record/relation/query_methods.rb for Rails 3.0.0)
however, :readonly =...
How to style the with only CSS?
...extent of your second screenshot. You might be able to make them bold, and set the font-size, but that will be about it...
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How to create a new (and empty!) “root” branch?
... staged. At that point you could just remove them.
("remove them": A git reset --hard will empty the index, leaving you with an empty working tree)
Take a look at the man page for checkout for more information on --orphan.
...
How do you get assembler output from C/C++ source in gcc?
...ault this will output a file helloworld.s. The output file can be still be set by using the -o option.
gcc -S -o my_asm_output.s helloworld.c
Of course this only works if you have the original source.
An alternative if you only have the resultant object file is to use objdump, by setting the --di...
C++ semantics of `static const` vs `const`
...nst value can be computed in the ctor-initializer-list. A static const is set during startup initialization and remains unchanged for the rest of the program. (Note: the code for static members looks a little different because declaration and initialization are separated.)
Remember, in C++, const...
background-size in shorthand background property (CSS3)
...ginal size of the image. So generally I would avoid using the shorthand to set background-size.
background: url('../images/sprite.png') -312px -234px no-repeat;
background-size: 355px auto;
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