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How do I make python wait for a pressed key?
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@Solarsaturn9 and an increasing and large number do not. Thus this answer did not work for me, and the many other that come here.
– ctrl-alt-delor
Oct 22 '15 at 22:00
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Curious null-coalescing operator custom implicit conversion behaviour
...hen there is a lifted conversion involving two nullable types on the left-hand side of the coalescing operator.
I have not yet identified where precisely things go wrong, but at some point during the "nullable lowering" phase of compilation -- after initial analysis but before code generation -- we...
Turn off constraints temporarily (MS SQL)
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You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NOCHECK CONSTRAINT ALL
or
ALTER TABLE foo NOCHECK CONSTRAINT CK_foo_column
Primary keys and unique constraints can not be disabled, but this shoul...
C# Events and Thread Safety
... be out of date, but that's all. It won't cause a NullReferenceException.
And yes, there's certainly a race condition - but there always will be. Suppose we just change the code to:
TheEvent(this, EventArgs.Empty);
Now suppose that the invocation list for that delegate has 1000 entries. It's per...
Is there a method to generate a UUID with go language
...amp; 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, ...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
Performance associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet.
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java.lang.NoClassDefFoundError: Could not initialize class XXX
... properties from file
}
It would appear some uncaught exception occurred and propagated up to the actual ClassLoader attempting to load the class. We would need a stacktrace to confirm this though.
Either that or it occurred when creating PropHolder.prop static variable.
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When to wrap quotes around a shell variable?
... a numeric value. Whether $URL needs it depends on what you allow in there and whether you still want an argument if it's empty.
I tend to always quote strings just out of habit since it's safer that way.
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Regex replace uppercase with lowercase letters
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And in IntelliJ
– Patrick
May 9 '18 at 16:56
13
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How can I make my custom objects Parcelable?
I'm trying to make my objects Parcelable. However, I have custom objects and those objects have ArrayList attributes of other custom objects I have made.
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