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How to split a dos path into its components in Python
... bitten loads of times by people writing their own path fiddling functions and getting it wrong. Spaces, slashes, backslashes, colons -- the possibilities for confusion are not endless, but mistakes are easily made anyway. So I'm a stickler for the use of os.path, and recommend it on that basis.
(H...
How to select rows from a DataFrame based on column values?
How to select rows from a DataFrame based on values in some column in Pandas?
10 Answers
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What is Dispatcher Servlet in Spring?
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The job of the DispatcherServlet is to take an incoming URI and find the right combination of handlers (generally methods on Controller classes) and views (generally JSPs) that combine to form the page or resource that's supposed to be found at that location.
I might have
a file /W...
lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
5
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Spring @Transactional - isolation, propagation
...nce characteristics in a multi-threaded application. I think if you understand the dirty reads concept you will be able to select a good option.
Example of when a dirty read can occur:
thread 1 thread 2
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write(x) |
| |
| read(x)
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Type definition in object literal in TypeScript
...has methods as well as properties? Since the class doesn't get initialized and we only assign properties, calling a method on the class will cause a null exception. Basically, the object we create only 'acts' as the class because we assign its type, but it is not actually an instance of that class. ...
How to use QueryPerformanceCounter?
...eded to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure how to implement i...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
...nnection timeout error.
I'm not familiar with this - why does it occur and how can I fix it?
19 Answers
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Xcode 4.2 debug doesn't symbolicate stack call
...owever, I have found an effective work-around - creating my own exception handler (which is also useful for other reasons). First, create a function that will handle the error and output it to the console (as well as whatever else you want to do with it):
void uncaughtExceptionHandler(NSException *...
How can I have grep not print out 'No such file or directory' errors?
I'm grepping through a large pile of code managed by git, and whenever I do a grep, I see piles and piles of messages of the form:
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