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Scalar vs. primitive data type - are they the same thing?
...ke an enum value.
http://ee.hawaii.edu/~tep/EE160/Book/chap5/section2.1.3.html
Perhaps the 'scalar' term may be a throwback to C:
where scalars are primitive objects which contain a single value and are not composed of other C++ objects
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1995...
How to get VM arguments from inside of Java application?
...gy:
http://java.sun.com/javase/6/docs/technotes/guides/management/mxbeans.html
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Initializing a struct to 0
... that had a NULL pointer that wasn't all 0 bits : c-faq.com/null/machexamp.html. And then there's the possibility the platform is not using IEEE 754 to represent floating point values, but uses some other representation that doesn't have an all 0 bit 0.0 value - but admittedly I know of no such plat...
Should __init__() call the parent class's __init__()?
...ame.methodname(self, arguments).
http://docs.python.org/tutorial/classes.html#inheritance
That's all the story:
when the aim is to KEEP the initialization performed by the base-class, that is pure inheritance, nothing special is needed, one must just avoid to define an __init__ function in the...
Yes/No message box using QMessageBox
...MessageBox::Question QMessageBox::Information doc.qt.io/qt-4.8/qmessagebox.html#icon-prop
– rednaks
Jul 17 '17 at 9:55
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“Uncaught TypeError: Illegal invocation” in Chrome
...ostfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C...
NSLog/printf specifier for NSInteger?
... linux manpages are more explicit http://www.manpages.info/linux/sprintf.3.html
Both warnings can only be fixed by NSLog(@"%lu", (unsigned long)arg); combined with a cast as the code will be compiled in 32 AND 64 bit for iOS. Otherwise each compilation creates a separate warning.
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...index.
See also http://www.postgresql.org/docs/9.1/static/ddl-constraints.html#DDL-CONSTRAINTS-FK and specifically:
Finally, we should mention that a foreign key must reference columns
that either are a primary key or form a unique constraint.
Emphasis mine.
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Matplotlib: “Unknown projection '3d'” error
...ocumentation at http://matplotlib.org/examples/mplot3d/mixed_subplots_demo.html which shows projection='3d' working in combination with the Axes3D import.
from mpl_toolkits.mplot3d import Axes3D
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ax = fig.add_subplot(2, 1, 1)
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ax = fig.add_subplot(2, 1, 2, projection='3d')
In fact as long a...
The differences between .build, .create, and .create! and when should they be used?
...y what you want from an API.
I would always use the new + save option for html, especially if you are relying on the return value for flow control.
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