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What does `:_*` (colon underscore star) do in Scala?
...ild2, ... childN)
but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constructor.
Happy coding.
1 This doesn't have a cutesy-name in the SLS, but here are the details. The important thing to get is that it changes how S...
How to change theme for AlertDialog
...tyle">
<!-- Define background colors of title, message, buttons, etc. here -->
<item name="android:fullDark">...</item>
<item name="android:topDark">...</item>
<item name="android:centerDark">...</item>
<item name="android:bottomDar...
What's the difference between Cache-Control: max-age=0 and no-cache?
...: max-age=0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache .
...
Best practice for partial updates in a RESTful service
...e to accounts, create a new one and POST representations of the other two, etc.
– Jan Algermissen
Mar 14 '10 at 21:29
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
... easier ways to find linear transformations of this form, such as NMF, PCA etc. However, this is a case where a multi-layered network does NOT behave the same way as a single layer perceptron.
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Linux/Unix command to determine if process is running?
...t because it makes parsing easier.
This will work on Linux, BSD, Solaris, etc.
Another strategy would be to test on the exit value from the above ps command. It should be zero if the process is running and non-zero if it isn't. The POSIX spec says that ps must exit >0 if an error has occurred b...
DateTime2 vs DateTime in SQL Server
... likely not be used except for ex., in historical, astronomical, geologic, etc. apps).
1.3. Exactly matches the range of .NET’s DateTime Type’s range (although both convert back and forth with no special coding if values are within the target type’s range and precision except for Con # 2.1...
If threads share the same PID, how can they be identified?
...ad ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be managing the threads (whether they can run or not de...
Determine if running on a rooted device
...d above. Occasional zombie processes being left behind, device slowdowns, etc...
– AWT
Sep 3 '13 at 13:49
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Is it bad to have my virtualenv directory inside my git repository?
..., offering a -q (quiet) option, using python when python3 isn't available, etc.
This can then be sourced from any current working directory and will properly activate, first setting up the virtual environment if necessary. My top-level test script usually has code along these lines so that it can b...