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What breaking changes are introduced in C++11?
...bc"
const char *s = u8"def"; // Previously "abcdef", now "def"
#define _x "there"
"hello"_x // now a user-defined-string-literal. Previously, expanded _x .
New keywords: alignas, alignof, char16_t, char32_t, constexpr, decltype, noexcept, nullptr, static_assert, and thread_local
Ce...
How get integer value from a enum in Rails?
...t the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance of the Model class to access the integer v...
Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed
...the accepted answer, the following should work in Swift 3:
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
let newString = NSString(string: textField.text!).replacingCharacters(in: range, with: string)
return...
How do I set the figure title and axes labels font size in Matplotlib?
... @AlexanderMcFarlane. I ran python -c 'import matplotlib as mpl; print(mpl.__version__); print("figure.titlesize" in mpl.rcParams.keys())'. Result is 1.5.1, True. 1) What version of matplotlib are you using? What version of Python? 2) Could it be a bug where for some reason it accepts str but not un...
Access-control-allow-origin with multiple domains
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@Simon_Weaver there is a * value that allows any origin to access the resource. However the original question was asking about whitelisting a set of domains.
– monsur
Apr 29 '15 at 2:15
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...variable you are checking would be in the global scope you could do:
array_key_exists('v', $GLOBALS)
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XAMPP, Apache - Error: Apache shutdown unexpectedly
...The solution ended up being (stackoverflow.com/questions/14548768/… setup_xampp.bat to refresh the paths]
– Timmah
Feb 7 '15 at 1:35
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Get the (last part of) current directory name in C#
...the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough .
...
Pagination in a REST web application
... Range header also works to declare an order:
Range: products-by-date=2009_03_27-
to get all products newer than that date or
Range: products-by-date=0-2009_11_30
to get all products older than that date. '0' is probably not best solution, but RFC seems to want something for range start. There...
How to compare times in Python?
...use for comparison without taking the date into account:
>>> this_morning = datetime.datetime(2009, 12, 2, 9, 30)
>>> last_night = datetime.datetime(2009, 12, 1, 20, 0)
>>> this_morning.time() < last_night.time()
True
...