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ReactJS Two components communicating
... arrange those components. A few example scenarios that come to mind right now:
<Filters /> is a child component of <List />
Both <Filters /> and <List /> are children of a parent component
<Filters /> and <List /> live in separate root components entirely.
Th...
How do you create a Swift Date object?
...her date-times, you can use one of the following methods.
Method 1
If you know the number of seconds before or after the 2001 reference date, you can use that.
let someDateTime = Date(timeIntervalSinceReferenceDate: -123456789.0) // Feb 2, 1997, 10:26 AM
Method 2
Of course, it would be easier to us...
How to print the full traceback without halting the program?
...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers)
import logging
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
In which case, you'll want the l...
hasNext in Python iterators?
...
@Giorgio, there is no way to know whether another element exists without executing the code that generates it (you don't know whether the generator will execute yield or not). It is, of course, not difficult to write an adaptor that stores the result of n...
CSS, Images, JS not loading in IIS
...nse will save the agony for my fellow developers.
I would really like to know why this is working. Any thoughts?
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How can I change IIS Express port for a site
...icking the Create Virtual Directory button. Doing that made the different; now it works. But why is that necessary?
– Rod
Jun 1 '18 at 17:20
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How to use a dot “.” to access members of dictionary?
...
Very simple answer, great! Do you happen to know what I would need to to in order to have tab-completion in IPython work? The class would need to implement __dir__(self), but somehow I cannot get it to work.
– andreas-h
Feb 19 '16...
Actual meaning of 'shell=True' in subprocess
...es it provides.
Where the interactions with the shell are nontrivial, you now require the reader and maintainer of the Python script (which may or may not be your future self) to understand both Python and shell script. Remember the Python motto "explicit is better than implicit"; even when the Pyt...
Too many 'if' statements?
...ne 1-digit base 4 number {0,1,2,3} -- 4 different values, also important.
Now, a 1-digit base 4 number can be expressed as a 2-digit base 2 number; {0,1,2,3} = {00,01,10,11}, and so each output can be encoded with only 2 bits. From above, there are only 16 different outputs possible, so 16*2 = 32...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...= new B();" After compilation, I removed the B.class file from bin folder. Now from Main method of third class when I create object of Class1. The rror is thown as follws :-------- "Exception in thread "main" java.lang.NoClassDefFoundError: spring/B" ........ So it exactly mentiones which class it d...