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Erasing elements from a vector

...y once in the vector. It may be present multiple times and I need to clear all of them. My code is something like this: 5 A...
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What's wrong with foreign keys?

... get Orphaned Rows you can get nice "on delete cascade" behavior, automatically cleaning up tables knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality. FKs giv...
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Automatically enter SSH password with script

I need to create a script that automatically inputs a password to OpenSSH ssh client. 19 Answers ...
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Java heap terminology: young, old and permanent generations?

... permanent generations are in the Java heap terminology, and more specifically the interactions between the three generations. ...
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How to declare global variables in Android?

...em you are encountering is how to save state across several Activities and all parts of your application. A static variable (for instance, a singleton) is a common Java way of achieving this. I have found however, that a more elegant way in Android is to associate your state with the Application con...
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How to force Selenium WebDriver to click on element which is not currently visible?

...ome cases even that is not practical. In those cases, you may have to get all the elements that match your criteria and reference the right one by the index. It's dirty, but it works. I'm using Selenium / Watir from Ruby on Rails app, so in my case the example would be: browser = Watir::Browser.n...
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How do I format a number in Java?

... Actually, String.format is like C's printf. It can format several kinds of data types. – cesarse Jul 2 '13 at 13:36 ...
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Why are local variables not initialized in Java?

... edited Feb 3 '14 at 13:33 allprog 15.7k88 gold badges5353 silver badges9393 bronze badges answered Jan 6 '09 at 7:18 ...
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Change timestamps while rebasing git branch

...mps of the commits to be in an mixed up order. I would rather have them be all be today with only seconds in between. 4 Ans...
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Draw radius around a point in Google map

..."). And if you have a flat coordinate system you can draw 2D objects on it all you want. In other words you can draw a scaled vector circle on a google map. The catch is, google maps doesn't give it to you out of the box (they want to stay as close to GIS values as is pragmatically possible). They ...