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WPF Data Binding and Validation Rules Best Practices
... I am using data binding to allow editing of some custom CLR objects. I am now wanting to put some input validation in when the user clicks save. However, all the WPF books I have read don't really devote any space to this issue. I see that you can create custom ValidationRules, but I am wondering i...
Loadbalancing web sockets
...ffic in one or say very few connections. for simplicity say one connection now how can I balance the requests going through one web socket connection?
– user1870400
Jan 28 '17 at 9:35
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EditText underline below text property
I would like to change the blue colour below the edit text, i don't know what property it is.
14 Answers
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What does JVM flag CMSClassUnloadingEnabled actually do?
...y, I'm sorry, I have no clue. That was in 2012... I work on other projects now.
– Lukas Eder
Jan 18 '17 at 21:54
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show 3 more comments
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How to sort an array in Bash
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Now, with the IFS, it splits your elements into little pieces if they have only one particular kind of whitespace in it. Good; not perfect :-)
– Limited Atonement
Jan 29 '16 at 14:56
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JSF backing bean structure (best practices)
...say -- 15 EL functions digging into that object from the JSF page, you are now tied not only to the bean, but to that object. Therefore it will be difficult to remove that object without breaking the UI.
– Zack Marrapese
Apr 16 '09 at 13:55
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How to pretty-print a numpy.array without scientific notation and with given precision?
...ent zeros from being stripped from the end of floats:
np.set_printoptions now has a formatter parameter which allows you to specify a format function for each type.
np.set_printoptions(formatter={'float': '{: 0.3f}'.format})
print(x)
which prints
[ 0.078 0.480 0.413 0.830 0.776 0.102 0.51...
Are Databases and Functional Programming at odds?
I've been a web developer for some time now, and have recently started learning some functional programming. Like others, I've had some significant trouble apply many of these concepts to my professional work. For me, the primary reason for this is I see a conflict between between FP's goal of rem...
Debug.Assert vs Exception Throwing
...get). Yes, assertions should usually be impossible to fire, but you don't know what's possible when things go out in the wild. What you thought of as impossible might happen in production, and a responsible program should detect violated assumptions and act promptly.
– kizzx2
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How to reorder data.table columns (without copying)
... @PeterPan See also NEWS about the devel version 1.10.5: "setcolorder() now accepts less than ncol(DT) columns to be moved to the front"
– Henrik
Oct 22 '17 at 12:21
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