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What happens if i return before the end of using statement? Will the dispose be called?
... is called -- I'm looking at you, WCF Service Reference / Client Proxy! -- and when that happens it can be very difficult to track down the original exception if Dispose was called during an exception stack unwind, since the original exception gets swallowed in favor of the new exception generated b...
How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
Selecting data frame rows based on partial string match in a column
...a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for su...
gunicorn autoreload on source change
... agreed. The other answers may work, but this is by far the simplest and it's not a workaround. It's exactly what the OP wanted.
– J-bob
Aug 11 '14 at 15:08
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What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
21
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How to implement the factory method pattern in C++ correctly
...d thing is that you can immediately see what coordinate type you're using, and at the same time you don't have to worry about copying. If you want copying, and it's expensive (as proven by profiling, of course), you may wish to use something like Qt's shared classes to avoid copying overhead.
As fo...
what's data-reactid attribute in html?
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There's no way to share the actual object references between the server and the client and sending a serialized version of the entire component tree is potentially expensive. When the application is rendered at the server and React is loaded at the client, the only data it has are the data-reacti...
Erasing elements from a vector
...ranteed to occur only once in the vector. It may be present multiple times and I need to clear all of them. My code is something like this:
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Deserialize JSON to ArrayList using Jackson
...joDeMixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this:
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PHP memory profiling
...page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
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