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What exception classes are in the standard C++ library
...ure to allocate storage
std::bad_array_new_length <new> invalid array length
std::bad_cast <typeinfo> execution of an invalid dynamic-cast
std::bad_exception <exception> signifies an incorrect exception was thrown
std::bad_function_call <functional> thrown...
How to get div height to auto-adjust to background size?
...ion would be to include the image under an img element set to visibility: hidden;. Then make the background-image of the surrounding div the same as the image.
This will set the surrounding div to the size of the image in the img element but display it as a background.
<div style="background-...
Select random lines from a file
...
sort actually sorts identical lines together, so if you may have duplicate lines and you have shuf (a gnu tool) installed, it's better to use it for this.
– Kevin
Feb 12 '12 at 3:59
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throw new std::exception vs throw std::exception
...ime.
Throwing a pointer to a dynamically allocated object is never a good idea. Exceptions are supposed to enable you to write more robust code in the face of error conditions. If you throw an exception object in the conventional manner you can be sure that whether it is caught by a catch clause na...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
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Newer .Net Docs now has a table to help you decide which is best to use in your situation.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison, casing, and sorting ...
Understanding what 'type' keyword does in Scala
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Yes, the type alias FunctorType is just a shorthand for
(LocalDate, HolidayCalendar, Int, Boolean) => LocalDate
Type aliases are often used to keep the rest of the code simple: you can now write
def doSomeThing(f: FunctorType)
which will be interpreted by the compiler as
def doSomeThing(...
PHP shell_exec() vs exec()
...a string. exec returns the last line of the output by default, but can provide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.exec.php
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How to update PATH variable permanently from Windows command line?
... answered Dec 2 '11 at 15:09
David HeffernanDavid Heffernan
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Python: Select subset from list based on index set
...this kind of selection is very powerful, especially when nested and/or multidimensional.
– Thomas Browne
May 25 '14 at 21:11
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Creating JS object with Object.create(null)?
I know a lot of ways to create JS objects but I didn't know the Object.create(null) 's one.
5 Answers
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