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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 goes into your .gitignore if you're using CocoaPods?

... Personally I do not check in the Pods directory & contents. I can't say I spent long ages considering the implications but my reasoning is something like: The Podfile refers to a specific tag or or commit of each dependency so...
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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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Index of Currently Selected Row in DataGridView

...ndex error two. You'd better wrapped it with a if – Allan Ruin Mar 11 '15 at 1:22 add a comment  |  ...
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grep exclude multiple strings

I am trying to see a log file using tail -f and want to exclude all lines containing the following strings: 7 Answers ...
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How to run Nginx within a Docker container without halting?

I have Nginx installed on a Docker container, and am trying to run it like this: 9 Answers ...
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Store query result in a variable using in PL/pgSQL

...s, as @Pavel commented. I shortened the syntax with a table alias additionally. Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel. share | improve thi...
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Cannot lower case button text in android studio

... You could add android:textAllCaps="false" to the button. The button text might be transformed to uppercase by your app's theme that applies to all buttons. Check themes / styles files for setting the attribute android:textAllCaps. ...
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Use Fieldset Legend with bootstrap

... Just wanted to summarize all the correct answers above in short. Because I had to spend lot of time to figure out which answer resolves the issue and what's going on behind the scenes. There seems to be two problems of fieldset with bootstrap: Th...
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.NET WebAPI Serialization k_BackingField Nastiness

...rk with Web API. Just leave your model as is, and Web API would serialize all the public properties for you. Only if you want to have more control about what's included, you then decorate your class with [DataContract] and the properties to be included with [DataMember] (because both DCS and JSON...