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Hide grid row in WPF
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UpVoted - Converters permit all this to be declarative in Xaml. I generally hate using code-behind to fiddle with visual stuff.
– Allen
May 22 '14 at 13:43
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How to add a Timeout to Console.ReadLine()?
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I'm surprised to learn that after 5 years, all of the answers still suffer from one or more of the following problems:
A function other than ReadLine is used, causing loss of functionality. (Delete/backspace/up-key for previous input).
Function behaves badly when in...
Configuring diff tool with .gitconfig
...mdiff, gvimdiff, ecmerge, diffuse, opendiff, p4merge and araxis), and also allows you to specify your own. To use one of the pre-configured difftools (for example, "vimdiff"), you add the following lines to your ~/.gitconfig:
[diff]
tool = vimdiff
Now, you will be able to run "git difftool" a...
System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
...ost efficient since it does not even create an object, but new Date() is really just a thin wrapper about a long, so it is not far behind. Calendar, on the other hand, is relatively slow and very complex, since it has to deal with the considerably complexity and all the oddities that are inherent to...
How to get value of selected radio button?
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@mzalazar No, every radio-button has its own ID but all have the same name which is what puts them into one group so if you select one the other one gets deselected. With Kamran Ahmed answer you can check which of the radio buttons in the group is selected and get only the val...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
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catching an EOF exception won't save you from all the other potential errors.
– Padraic Cunningham
Jul 16 '14 at 23:06
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Why is std::map implemented as a red-black tree?
...1) or O(log n) because the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferior to red-black trees.
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Android Game Keeps Getting Hacked [closed]
...d someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is randomly made each time the license is initiated with the unique device ID. ...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
Somehow my master and my origin/master branch have diverged.
I actually don't want them to diverge.
13 Answers
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Hibernate, @SequenceGenerator and allocationSize
We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
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