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How does the “final” keyword in Java work? (I can still modify an object.)

... try to do t.foo = new ArrayList(); in the main method and you will get compilation error...the reference foo is binded to just one final object of ArrayList...it cannot point to any other ArrayList – Code2Interface ...
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How can I change the default Django date template format?

... I think this works only if date is provideded as a datetime object. What if it is just a string passed from the view? – Mohammed Shareef C Dec 13 '16 at 5:33 ...
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Classes residing in App_Code is not accessible

...Ick10.App_Code.Glob Not sure if that's your issue or not but if you were new to C# then this is an easy one to get tripped up on. Update: I recently found that if I add an App_Code folder to a project, then I must close/reopen Visual Studio for it to properly recognize this "special" folder. ...
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Returning a C string from a function

... Note this new function: const char* myFunction() { static char array[] = "my string"; return array; } I defined "array" as static. Otherwise when the function ends, the variable (and the pointer you are returning) gets out o...
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python generator “send” function purpose?

...er = yield number Here is what that looks like, as you can see sending a new value for number changes the outcome: >>> def double_number(number): ... while True: ... number *= 2 ... number = yield number ... >>> c = double_number(4) >>> >>>...
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?

... when you're not on Java 8 yet, use java.text.SimpleDateFormat: Date now = new Date(); // java.util.Date, NOT java.sql.Date or java.sql.Timestamp! String format1 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS", Locale.ENGLISH).format(now); String format2 = new SimpleDateFormat("EEE, d MMM yyyy HH...
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How do I create test and train samples from one dataframe with pandas?

... In new versions (0.18, maybe earlier), import as from sklearn.model_selection import train_test_split instead. – Mark Oct 19 '16 at 17:24 ...
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What does “O(1) access time” mean?

...r to maintain its linear structure, not to mention about the creation of a new arrays and the copying of elements from the old to new array which takes up expensive processing time hence, detriment the performance. share ...
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How to get the containing form of an input?

... I agree. As I said, I just wasn't initially sure if the form property was extensively implemented in all common browsers. I've edited my answer to more explicitly list this as the better option while I'm leaving closest as a tidbit if this w...
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“open/close” SqlConnection or keep open?

... kinda like the call to close the connection. Especially for beginners and newcomers to a code base. It's more explicit and readable. – edhedges Jul 25 '14 at 19:39 27 ...