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How to set JFrame to appear centered, regardless of monitor resolution? [closed]
... the center of the screen.
This should be done after setting the size or calling pack(), but before setting it visible, like this:
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
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How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
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Should each and every table have a primary key?
...y, rethink your design: most probably, you are missing something. Why keep identical records?
In MySQL, the InnoDB storage engine always creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to.
Note that a primary key can be composite.
If y...
What is the HTML tabindex attribute?
...…, "The tabindex attribute, if specified, must have a value that is a valid integer".
– Mark Amery
Mar 26 '17 at 20:46
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How to switch to the new browser window, which opens after click on the button?
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You can actually use the call for driver.close() since you are switching window handles on the driver and calling for the window that you are currently on to close. I use it regularly in my code when dealing with multiple windows. driver.Quit() is t...
How can building a heap be O(n) time complexity?
...ritten this to describe how a max heap works. This is the type of heap typically used for heap sort or for a priority queue where higher values indicate higher priority. A min heap is also useful; for example, when retrieving items with integer keys in ascending order or strings in alphabetical orde...
What's the difference between %s and %d in Python string formatting?
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what do you call these %s, %d, etc?
– Chaine
May 19 '17 at 18:21
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Error message Strict standards: Non-static method should not be called statically in php
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to
public static function getInstanceByName($name=''){
if you want to call them statically.
Note that static methods (and Singletons) are death to testability.
Also note that you are doing way too much work in the constructor, especially all that querying shouldn't be in there. All your cons...
How do I intercept a method call in C#?
...d like to have tracing functionality i.e. I would like to log every method call (method signature and actual parameter values) and every method exit (just the method signature).
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Get type of all variables
...n R variable is written to disk, the data layout changes yet again, and is called the data's storage.mode. The function storage.mode(...) reveals this low level information: see Mode, Class, and Type of R objects. You shouldn't need to worry about R's storage.mode unless you are trying to understan...