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The calling thread cannot access this object because a different thread owns it
... problem with people getting started. Whenever you update your UI elements from a thread other than the main thread, you need to use:
this.Dispatcher.Invoke(() =>
{
...// your code here.
});
You can also use control.Dispatcher.CheckAccess() to check whether the current thread owns the cont...
Google Chrome display JSON AJAX response as tree and not as a plain text
...hrome Developer tools pretty print XHR content. See:
Viewing HTML response from Ajax call through Chrome Developer tools?
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log4j: Log output of a specific class to a specific appender
... @dwjohnston setting additivity to false will prevent the logger from logging to the appenders of it's ancestors (it's true by default), In this case, had the additivity been left to true, logging to the Baz appender would have written to both files.
– Maurice Perry
...
What's the best way to iterate over two or more containers simultaneously
...tation of zip is left as an exercise for the reader, but it follows easily from the implementation of indices.
(Before C++17 you’d have to write the following instead:)
for (auto items&& : zip(containerA, containerB))
get<0>(items) = get<1>(items);
...
What is the difference between NaN and None?
...rence. Link-only answers can become invalid if the linked page changes. - From Review
– A. Kootstra
Jan 18 at 19:05
@...
What is the best way to create constants in Objective-C
...ce of the true value of that symbol, so everyone's getting the same string from one place. That's what extern gets you.
– Peter Hosey
Nov 9 '15 at 14:11
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Is there a benefit to defining a class inside another class in Python?
... class cls1(object):
...
class cls2(object):
...
Then from another module, you can import Group and refer to these as Group.cls1, Group.cls2 etc. However one might argue that you can accomplish exactly the same (perhaps in a less confusing way) by using a module.
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...reat one to start with, as a comparison if nothing else.
Greedy placement from large to small.
Put the largest rectangle remaining into your packed area. If it can't fit anywhere, place it in a place that extends the pack region as little as possible. Repeat until you finish with the smallest rect...
How Do I Convert an Integer to a String in Excel VBA?
...an CStr() because CStr() doesn't seem to convert decimal numbers that came from variants in my experience.
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Android Studio: Android Manifest doesn't exists or has incorrect root tag
...ue for both Android Studio and Intelli J. Sometime when you import project from existing sources it prefer the manifest file inside the generates sources directory.
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