...pDemo a right join (select userName,max(date) maxdate from GroupDemo group by userName) b on a date=b maxdate namespace MongoGroupDemo { class Program { private static string MongoConnStr = "mongodb://172.16.86.53:27017"; /// <summary> /// MongoDB Group,max...

...e builtin object.) If you are writing code that will be imported and used by others, do not presume that they will use the dict builtin directly - making that presumption makes your code more inflexible and in this case, create easily hidden bugs that would not error the program out. I strongly su...

... That usually means a process is still using that specific file (still has an handle on it) (on Windows, ProcessExplorer is good at tracking that kind of process) Try closing your other programs, and try again your git pull. Note th...

... Ruby Shoes (by why) is intended to be a really simple GUI framework. I don't know how fully featured it is, though. Some good code samples can be found in the tutorials. Also, I think shoes powers hackety hack, a compelling programming learning environment for youn...

I deleted manually a directory I just added, offline, in my repository. I can't restore the directory. 21 Answers ...

...rible things will happen to your code. Things will break. You're extending all object types, including object literals. Here's a quick example you can try: // Extend Object.prototype Object.prototype.extended = "I'm everywhere!"; // See the result alert( {}.extended ); // "I'm ev...

...of the year 109). There are a similar number of ++ and -- on the months in order to convert to a string. They're mutable. As a result, any time you want to give a date back (say, as an instance structure) you need to return a clone of that date instead of the date object itself (since otherwise, peo...

...ere is my problem: is it possible somehow to check for existence of dynamically attached event listener? Or how can I check the status of the "onclick" (?) property in DOM? I have searched internet just like Stack Overflow for a solution, but no luck. Here is my html: ...

... In order to switch between different views, you could directly change the window.location (using the $location service!) in index.html file &lt;div ng-controller="Cntrl"&gt; &lt;div ng-click="changeView('edit')"&gt; ...

... The measured differences are not meaningful. Just the order (because of garbage collection) can make important a difference. There is no runtime difference between ' and " as they are parsed to the same thing. – Marc-André Lafortune Aug 1 ...