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Simple state machine example in C#?

...(Inactive, Active, Paused, and Exited) 5 types of state transitions (Begin Command, End Command, Pause Command, Resume Command, Exit Command). You can convert this to C# in a handful of ways, such as performing a switch statement on the current state and command, or looking up transitions in a tra...
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JPA getSingleResult() or null

...okup technically there could be multiple results (even if one, both or the combination of your foreign keys or constraints makes this impossible in practice) so this is probably the more appropriate solution. share ...
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In Unix, can I run 'make' in a directory without cd'ing to that directory first?

... add a comment  |  101 ...
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What are the -Xms and -Xmx parameters when starting JVM?

... has no default value, and Xmx typically has a default value of 256 MB. A common use for these flags is when you encounter a java.lang.OutOfMemoryError. When using these settings, keep in mind that these settings are for the JVM's heap, and that the JVM can/will use more memory than just the size ...
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Difference between UTF-8 and UTF-16?

...h is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases. No null bytes, which allows to use null-terminated strings, this introduces a great deal of backwards compatibility too. UTF-8 is independent of b...
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Check OS version in Swift?

...x. UIStackView } else { // or use some work around } BUT it is not recommended to check the OS version. It is better to check if the feature you want to use is available on the device than comparing version numbers. For iOS, as mentioned above, you should check if it responds to a selector; e...
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convert a JavaScript string variable to decimal/money

...or pennies etc.) and then convert prior to output.". Source: stackoverflow.com/questions/149055/… – SSH This Nov 27 '13 at 17:33 ...
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Display lines number in Stack Trace for .NET assembly in Release mode

...y. Deploy the generated .pdb file with the assembly. Implemented with the comment below: One other thing to check is in the "Package/Publish Web" section that the "Exclude generated debug symbols" checkbox is also unchecked ...
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How do I find out which DOM element has the focus?

... change the activeElement to body. Related links: activeElement Browser Compatibility jQuery alternative for document.activeElement share | improve this answer | follow ...
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warning about too many open figures

...on the collective wisdom here for this answer, @JoeKington mentions in the comments that plt.close(fig) will remove a specific figure instance from the pylab state machine (plt._pylab_helpers.Gcf) and allow it to be garbage collected. ...