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Catch a thread's exception in the caller thread in Python

I'm very new to Python and multithreaded programming in general. Basically, I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running. ...
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JPA eager fetch does not join

... JPA's fetch strategy control? I can't detect any difference between eager and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships. ...
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How can I find out the current route in Rails?

...ent_uri as "/my/test/path" To find out the route i.e. controller, action and params: path = ActionController::Routing::Routes.recognize_path "/your/path/here/" # ...or newer Rails versions: # path = Rails.application.routes.recognize_path('/your/path/here') controller = path[:controller] action...
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How to wait for all threads to finish, using ExecutorService?

... Basically on an ExecutorService you call shutdown() and then awaitTermination(): ExecutorService taskExecutor = Executors.newFixedThreadPool(4); while(...) { taskExecutor.execute(new MyTask()); } taskExecutor.shutdown(); try { taskExecutor.awaitTermination(Long.MAX_VALUE,...
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How do I read CSV data into a record array in NumPy?

...o a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame? ...
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Meaning of epsilon argument of assertEquals for double values

... The documentation says, "delta - the maximum delta between expected and actual for which both numbers are still considered equal." So I think that should be a <= not <. – Andrew Cheong Apr 16 '18 at 17:00 ...
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PHP - Check if two arrays are equal

... $arraysAreEqual = ($a == $b); // TRUE if $a and $b have the same key/value pairs. $arraysAreEqual = ($a === $b); // TRUE if $a and $b have the same key/value pairs in the same order and of the same types. See Array Operators. EDIT The inequality operator is != whil...
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can we use xpath with BeautifulSoup?

I am using BeautifulSoup to scrape a url and I had the following code 9 Answers 9 ...
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Custom toast on Android: a simple example

I'm new to Android programming. What is a simple example showing a custom toast notification on Android? 17 Answers ...
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Rounded table corners CSS only

I have searched and searched, but haven't been able to find a solution for my requirement. 17 Answers ...