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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GR...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
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Put servlet class in a package
First of all, put the servlet class in a Java package. You should always put publicly reuseable Java classes in a package, otherwise they are invisible to classes which are in a package, such as the server itself. This way you elimini...
How to list files in a directory in a C program?
...aybe I can use exec function to run find command but I want file name as a string to send client program. How can I do this?
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Creating an array of objects in Java
...t takes parameter:
public class MainClass
{
public static void main(String args[])
{
System.out.println("Hello, World!");
//step1 : first create array of 10 elements that holds object addresses.
Emp[] employees = new Emp[10];
//step2 : now create objects in...
How do you declare an interface in C++?
...e virtual method
};
class Tester : public IBase {
public:
Tester(std::string name);
virtual ~Tester();
virtual void Describe();
private:
std::string privatename;
};
Tester::Tester(std::string name) {
std::cout << "Tester constructor" << std::endl;
this->priva...
Change IPython/Jupyter notebook working directory
... yes, it's probably not needed. It was a way to make a Unicode string in Python 2 (try type(u'bla') vs type('bla'). In Python 3 it's the same thing as the string expression without u (as all strings are Unicode).
– metakermit
Mar 9 '16 at 14:08
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Post Build exited with code 1
...bat file, you can add an "& exit 0" at the end of the post-build event string.
– Eric Wu
Jun 26 at 19:45
Adding "e...
What special characters must be escaped in regular expressions?
...ular expression is quoted as a literal in a programming language, then the string or regex formatting rules of that language may require / or " or ' to be escaped, and may even require `\` to be doubly escaped.
– Jan Goyvaerts
Feb 6 '15 at 23:39
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Bash script - variable content as a command to run
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Execute arguments as a shell command.
Combine ARGs into a single string, use the result as input to the shell,
and execute the resulting commands.
Exit Status:
Returns exit status of command or success if command is null.
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Convert Int to String in Swift
I'm trying to work out how to cast an Int into a String in Swift.
22 Answers
22
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