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Is a `=default` move constructor equivalent to a member-wise move constructor?
...tly-defaulted functions [dcl.fct.def.default]
A function definition of the form:
attribute-specifier-seqopt decl-specifier-seqopt declarator virt-specifier-seqopt = default ;
is called an explicitly-defaulted definition. A function that is explicitly defaulted shall
be a special member functi...
SQL query to get all values a enum can have
...m in the enum:
SELECT unnest(enum_range(NULL::myenum))
Additional Information
This solution works as expected even if your enum is not in the default schema. For example, replace myenum with myschema.myenum.
The data type of the returned records in the above query will be myenum. Depending ...
Is it .yaml or .yml?
...
The nature and even existence of file extensions is platform-dependent (some obscure platforms don't even have them, remember) -- in other systems they're only conventional (UNIX and its ilk), while in still others they have definite semantics and in some cases specific limits on ...
Removing duplicates from a list of lists
...ttlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) one may need to go into much more detail, providing probability distributions, deciding which performance measures to optimize (maybe the upper bound or the 90th centile is more important than an average or m...
How do I set a JLabel's background color?
... its pixels, allowing the underlying pixels to show through.
For more information, read the Java Tutorial How to Use Labels.
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HttpServletRequest get JSON POST data [duplicate]
...OST data is encoded as key-value pairs of content type: "application/x-www-form-urlencoded" like when you use a standard HTML form.
If you use a different encoding schema for your post data, as in your case when you post a json data stream, you need to use a custom decoder that can process the raw ...
How to Handle Button Click Events in jQuery?
...ubmit',function(){
alert("button");
});
See documentation for more information:
https://api.jquery.com/click/
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C# convert int to string with padding zeros?
...okay, but doesn't work for negative numbers
i.ToString("0000"); - explicit form
i.ToString("D4"); - short form format specifier
$"{i:0000}"; - string interpolation (C# 6.0+)
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Convert all strings in a list to int
...ist (b).
Note: int() is a function that helps to convert an integer in the form of string, back to its integer form.
Output console:
[1, 2, 3, 4, 5]
So, we can convert the string items in the list to an integer only if the given string is entirely composed of numbers or else an error will be genera...
Should I use “camel case” or underscores in python? [duplicate]
...s absolutely contradictory with the fact that a camel cased group of words form an unambiguous solid symbol that looks like a single object matching the idea that a method name is one thing (as opposed to several objects, words, that have to be read and later interpreted as one single group of sever...