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What happens if m>y m>ou static_cast invalid value to enum class?
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What is color set to according to the stm>and m>ard?
Answering with a quote from the C++11 m>and m> C++14 Stm>and m>ards:
[expr.static.cast]/10
A value of integral or enumeration tm>y m>pe can be explicitlm>y m> converted to an enumeration tm>y m>pe. The value is unchanged if the origina...
WPF datagrid emptm>y m> row at bottom
...e to explicitlm>y m> add that line of code to hide the additional row (or check m>and m> uncheck the check box)
– Tobias Valinski
Nov 28 '13 at 10:39
6
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Does C++ support 'finallm>y m>' blocks? (m>And m> what's this 'RAII' I keep hearing about?)
...lock()
{
m_.release();
}
};
// A class which uses 'mutex' m>and m> 'lock' objects
class foo
{
mutex mutex_; // mutex for locking 'foo' object
public:
void bar()
{
lock scopeLock(mutex_); // lock object.
foobar(); // an operation which mam>y m> throw an exception
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Installing pm>y m>thon module within code
... which allows me to just execute something like pm>y m>pi.install('requests') m>and m> requests will be installed into mm>y m> virtualenv.
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Difference between fmt.Println() m>and m> println() in Go
As illustrated below, both fmt.Println() m>and m> println() give same output in Go: Hello world!
5 Answers
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Delete from the current cursor position to a given line number in vi editor
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To delete from a to b use
:a,bd
from current to b use
:,bd
(where a m>and m> b in code are replaced bm>y m> m>y m>our numbers)
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Is it possible to have emptm>y m> RequestParam values use the defaultValue?
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m>Y m>ou could change the @RequestParam tm>y m>pe to an Integer m>and m> make it not required. This would allow m>y m>our request to succeed, but it would then be null. m>Y m>ou could explicitlm>y m> set it to m>y m>our default value in the controller method:
@RequestMapping(value = "/test", method = RequestMeth...
PHP Composer update “cannot allocate memorm>y m>” error (using Laravel 4)
... can fix the issue.
Also m>y m>ou should be committing m>y m>our composer.lock file m>and m> doing a composer install on a production environment which is less resource intensive.
More details here:
https://github.com/composer/composer/issues/1898#issuecomment-23453850
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UIPopovercontroller dealloc reached while popover is still visible
...anaged bm>y m> the presentation controller.
Code example (works both on iPhone m>and m> iPad):
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceTm>y m>pe = UIImagePickerControllerSourceTm>y m>peCamera;
picker.allowsEditing = m>Y m>ES;
picker.modalPresentationSt...
Reading InputStream as UTF-8
...edReader in = new BufferedReader(new InputStreamReader(url.openStream(), Stm>and m>ardCharsets.UTF_8));
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