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MySQL Conditional Insert

... WHERE user = 123 AND item = 456) In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the v...
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How do I trap ctrl-c (SIGINT) in a C# console app

...ee MSDN: Console.CancelKeyPress Event Article with code samples: Ctrl-C and the .NET console application share | improve this answer | follow | ...
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How to simulate a click with JavaScript?

... @Anderson Green: I have added an example to this jsfiddle: jsfiddle.net/KooiInc/W4BHD – KooiInc Mar 19 '13 at 6:21 ...
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How to get a reversed list view on a list in Java?

...ith an original list that is modifiable, changes to both the original list and the view are reflected in the other. share | improve this answer | follow | ...
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adb shell command to make Android package uninstall dialog appear

I have adb running and device is connected to my system in debugging mode, 6 Answers ...
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dismissModalViewControllerAnimated deprecated

...tially, view controllers presented by this API are no longer always modal, and since they were adding a completion handler it was a good time to rename it. In response to comment from Marc: What's the best way to support all devices 4.3 and above? The new method doesn't work in iOS4, yet the ...
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How do I duplicate a whole line in Emacs?

I saw this same question for VIM and it has been something that I myself wanted to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least number of commands to perform this in Emacs? ...
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How to declare an array in Python?

...t can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to the C array type; the contents must be homogenous (all of the same type), but the length is still dynamic. ...
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How do I update my bare repo?

... doesn't show these updates in the bare repo. (Neither does git log --all, and neither does a working repo that created by cloning the bare repo - either via git log --all or by simply looking at new files that should show up there). It's a pretty quick test to see for yourself. Mostly I'm just curi...
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Comparing object properties in c# [closed]

... } return self == to; } EDIT: Same code as above but uses LINQ and Extension methods : public static bool PublicInstancePropertiesEqual<T>(this T self, T to, params string[] ignore) where T : class { if (self != null && to != null) { var type = typeof(T); ...