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Git diff between current branch and master but not including unmerged master commits

I want a diff of all changes in a branch that is not merged to master yet. 3 Answers 3...
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What to add for the update portion in ConcurrentDictionary AddOrUpdate

...d] = sessionId; Store a key/value pair into the dictionary unconditionally, overwriting any value for that key if the key already exists: Use the indexer’s setter (See: http://blogs.msdn.com/b/pfxteam/archive/2010/01/08/9945809.aspx) The indexer is atomic, too. If you pass a function inst...
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What is the difference between setUp() and setUpClass() in Python unittest?

...erence (as noted in the answer by Benjamin Hodgson) is that setUpClass is called only once and that is before all the tests, while setUp is called immediately before each and every test. (NB: The same applies to the equivalent methods in other xUnit test frameworks, not just Python's unittest.) From...
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Integer.toString(int i) vs String.valueOf(int i)

... String.valueOf(int) just calls Integer.toString(i) directly. So best to call Integer.toString(int). – djchapm May 21 '19 at 16:21 ...
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window.onload vs document.onload

....onload and fires when the DOM is ready as well. document.onload It is called when the DOM is ready which can be prior to images and other external content is loaded. How well are they supported? window.onload appears to be the most widely supported. In fact, some of the most modern browsers h...
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Logging levels - Logback - rule-of-thumb to assign log levels

...y requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if this condition happens? If yes, then log it as "error". warn: an unexpected technical or business event happened, customers may be affected, but probably no immediate human intervent...
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T-SQL - function with default parameters

... you have to call it like this SELECT dbo.CheckIfSFExists(23, default) From Technet: When a parameter of the function has a default value, the keyword DEFAULT must be specified when the function is called in order to retrieve th...
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Differences between Microsoft .NET 4.0 full Framework and Client Profile

The Microsoft .NET Framework 4.0 full installer (32- and 64-bit) is 48.1 MB and the Client Profile installer is 41.0 MB. The extracted installation files are 237 MB and 194 MB respectively, and once installed, they are 537 MB and 427 MB. ...
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Nested fragments disappear during transition animation

...is, but based on @Jayd16's answer, I think I've found a pretty solid catch-all solution that still allows for custom transition animations on child fragments, and doesn't require doing a bitmap cache of the layout. Have a BaseFragment class that extends Fragment, and make all of your fragments exte...
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How to change plot background color?

...he stateful API (if you're doing anything more than a few lines, and especially if you have multiple plots, the object-oriented methods above make life easier because you can refer to specific figures, plot on certain axes, and customize either) plt.plot(...) ax = plt.gca() Then you can use set_...