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Why are Python's 'private' methods not actually private?
Python gives us the ability to create 'private' methods and variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this
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Type definition in object literal in TypeScript
...has methods as well as properties? Since the class doesn't get initialized and we only assign properties, calling a method on the class will cause a null exception. Basically, the object we create only 'acts' as the class because we assign its type, but it is not actually an instance of that class. ...
Variable interpolation in the shell
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What is the difference between using ${} and double quotes? Should I prefer one over the other?
– user31389
Mar 10 '18 at 10:49
3
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How to remove spaces from a string using JavaScript?
...?
str = str.replace(/\s/g, '');
Example
var str = '/var/www/site/Brand new document.docx';
document.write( str.replace(/\s/g, '') );
Update: Based on this question, this:
str = str.replace(/\s+/g, '');
is a better solution. It produces the same result, but it does it faster.
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How does the “final” keyword in Java work? (I can still modify an object.)
...antics of final. In other words: final is only about the reference itself, and not about the contents of the referenced object.
Java has no concept of object immutability; this is achieved by carefully designing the object, and is a far-from-trivial endeavor.
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Java: parse int value from a char
...about getNumericValue(char) is that it also works with strings like "el٥" and "el५" where ٥ and ५ are the digits 5 in Eastern Arabic and Hindi/Sanskrit respectively.
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Get context of test project in Android junit test case
Does anyone know how can you get the context of the Test project in Android junit test case (extends AndroidTestCase).
9...
Build query string for System.Net.HttpClient get
...d the query string that
doesn't involve building a name value collection and url encoding
those and then finally concatenating them?
Sure:
var query = HttpUtility.ParseQueryString(string.Empty);
query["foo"] = "bar<>&-baz";
query["bar"] = "bazinga";
string queryString = query.ToStri...
How do I get the difference between two Dates in JavaScript?
...uite figure out, however, how to get the difference between the two times, and then how to create a new end Date using that difference.
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How can I define a composite primary key in SQL?
...rID)
);
The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because...