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How does one output bold text in Bash?
...ne text, you could add a variable. Notice, the backticks are being removed from comment formatting. Use the same format in the answer. UNDERLINE=tput smul
– jayem
Aug 13 '13 at 17:51
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jquery, find next element by class
...
And what if wanted to get an attribute from that HTMLObject returned? Like an $(obj).closest('tr').nextAll('.class')[0].attr('data-attribute');
– Dennis Braga
Sep 2 '14 at 16:37
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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ub and Heroku) solved it. @David, I'm using Windows with the RoR framework from RailInstaller 1.2.0.
– Mark Berry
Jun 23 '11 at 1:42
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“unadd” a file to svn before commit
... folder and then re-do the operation with correct ignoring configuration.
From the documentation:
you can undo any scheduling operations:
$ svn add mistake.txt whoops
A mistake.txt
A whoops
A whoops/oopsie.c
$ svn revert mistake.txt whoops
Reverted mistake.txt
Reverted w...
argparse module How to add option without any argument?
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As @Felix Kling suggested use action='store_true':
>>> from argparse import ArgumentParser
>>> p = ArgumentParser()
>>> _ = p.add_argument('-f', '--foo', action='store_true')
>>> args = p.parse_args()
>>> args.foo
False
>>> args = p.pa...
How to multiply duration by integer?
...ation) duration as a parameter. Your rand.Int31n returns int32.
The line from the example works (time.Sleep(100 * time.Millisecond)) because the compiler is smart enough to understand that here your constant 100 means a duration. But if you pass a variable, you should cast it.
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Fixed point vs Floating point number
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From my understanding, fixed-point arithmetic is done using integers. where the decimal part is stored in a fixed amount of bits, or the number is multiplied by how many digits of decimal precision is needed.
For example, If...
How to make div background color transparent in CSS
...
From https://developer.mozilla.org/en-US/docs/Web/CSS/background-color
To set background color:
/* Hexadecimal value with color and 100% transparency*/
background-color: #11ffee00; /* Fully transparent */
/* Special keywo...
Can an enum class be converted to the underlying type?
...ic_cast. I use the following helper functions in my code to convert to and from an enum type and its underlying class.
template<typename EnumType>
constexpr inline decltype(auto) getIntegralEnumValue(EnumType enumValue)
{
static_assert(std::is_enum<EnumType>::value,"...
How to revert a Git Submodule pointer to the commit stored in the containing repository?
...repository believes it should be. This is what the update command is for:
From the submodule manpage:
Update the registered submodules, i.e. clone missing submodules and
checkout the commit specified in the index of the containing
repository. This will make the submodules HEAD be detached unless
-...