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iOS: How to get a proper Month name from a number?
...] init] autorelease];
NSString *monthName = [[df monthSymbols] objectAtIndex:(monthNumber-1)];
Note that you'll need to subtract 1 from your 1..12 monthNumber since monthSymbols is zero-based.
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C# declare empty string array
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Your syntax is wrong:
string[] arr = new string[]{};
or
string[] arr = new string[0];
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How do I determine the size of an object in Python?
...turn
correct results, but this does not
have to hold true for third-party
extensions as it is implementation
specific.
Only the memory consumption directly attributed to the object is
accounted for, not the memory consumption of objects it refers to.
The default argument allows to define
a value whi...
What is the 'dynamic' type in C# 4.0 used for?
...st it.
dynamic cust = GetCustomer();
cust.FirstName = "foo"; // works as expected
cust.Process(); // works as expected
cust.MissingMethod(); // No method found!
Notice we did not need to cast nor declare cust as type Customer. Because we declared it dynamic, the runtime takes over and then search...
Is std::vector so much slower than plain arrays?
...s quick as vector.
But after looking at the code in more detail this is expected; as you run across the vector twice and the array only once. Note: when you resize() the vector you are not only allocating the memory but also running through the vector and calling the constructor on each member.
R...
convert '1' to '0001' in JavaScript [duplicate]
...t; "0001"
12345 -> "12345"
Supporting negative numbers is left as an exercise ;-)
Happy coding.
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SQL Server query - Selecting COUNT(*) with DISTINCT
...l return a row for each unique count. What you want is COUNT(DISTINCT <expression>): evaluates expression for each row in a group and returns the number of unique, non-null values.
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How to use java.net.URLConnection to fire and handle HTTP requests?
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First a disclaimer beforehand: the posted code snippets are all basic examples. You'll need to handle trivial IOExceptions and RuntimeExceptions like NullPointerException, ArrayIndexOutOfBoundsException and consorts yourself.
Preparing
We first need to know at least the URL and the charset. The...
How do I make a list of data frames?
...lly named data frames is a problem, and putting them in a list is a good fix, but best practice is to avoid having a bunch of data.frames not in a list in the first place.
The other answers give plenty of detail of how to assign data frames to list elements, access them, etc. We'll cover that a lit...