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Unpack a list in Python?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Access to private inherited fields via reflection in Java
..."Field '" + fieldName
+ "' not found on class " + clazz);
}
(based on this answer)
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What's the purpose of SQL keyword “AS”?
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The AS keyword is to give an ALIAS name to your database table or to table column. In your example, both statement are correct but there are circumstance where AS clause is needed (though the AS operator itself is optional), e.g.
SELECT salary * 2 AS "Double salary" FROM empl...
What is x after “x = x++”?
...iginal code
int x = 7;
x = x++;
Let's rewrite this to do the same thing, based on removing the ++ operator:
// behaves the same as the original code
int x = 7;
int tmp = x; // value of tmp here is 7
x = x + 1; // x temporarily equals 8 (this is the evaluation of ++)
x = tmp; // oops! we overwrote...
How to make sure that string is valid JSON using JSON.NET
... return false;
}
}
The reason to add checks for { or [ etc was based on the fact that JToken.Parse would parse the values such as "1234" or "'a string'" as a valid token. The other option could be to use both JObject.Parse and JArray.Parse in parsing and see if anyone of them succeeds, b...
Get value from NSTextField
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Handler vs AsyncTask
... reasons:
AsyncTask is not guaranteed to run since there is a ThreadPool base and max size set by the system and if you create too much asynctask they will eventually be destroyed
AsyncTask can be automatically terminated, even when running, depending on the activity lifecycle and you have no cont...
Objective-C Split()?
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Returning a file to View/Download in ASP.NET MVC
I'm encountering a problem sending files stored in a database back to the user in ASP.NET MVC. What I want is a view listing two links, one to view the file and let the mimetype sent to the browser determine how it should be handled, and the other to force a download.
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Javascript foreach loop on associative array object
...aningful names that only describe the variable type (e.g. array), and name based on what it should contain (e.g. pages). Simple objects don't have many good direct ways to iterate, so often we'll turn then into arrays first using Object methods (Object.keys in this case -- there's also entries and v...