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Why is the use of tuples in C++ not more common?
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I don't know the specifics of what you're seeing, but I'm guessing that the parts people are using like crazy are features they really, really wanted. Thus (again, guessing) the popularity of the hash map, the counted pointer, and th...
How to detect if a stored procedure already exists
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At least if you drop it you know you have to re-add the permissions. If you ran this sql you would not know whether the sproc had the correct permissions or not as you wouldn't know if you had created it or altered it.
– Liazy
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Visual Studio, debug one of multiple threads
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Thanks Charles, that was helpful (did not know you could do that). However, the most efficient way for me to debug is the one that jeffamaphone wrote as I do not know the name before it hits the breakpoint and sees some values
– Oskar Kjellin
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Best programming based games [closed]
... dragging tiles into slots. The game is very polished.
Update Lightbot is now the most recent version of the game, and has versions specifically designed for kids ages 4-8 or ages 9+ (with no upper limit) and also features kind of an if
screen of lightbot 1 http://www.lostateminor.com/wp-content/u...
How does having a dynamic variable affect performance?
... that represents "there's going to be a dynamic call to Foo here".
OK, so now that you've got the call site, how does the invocation work?
The call site is part of the Dynamic Language Runtime. The DLR says "hmm, someone is attempting to do a dynamic invocation of a method foo on this here object....
RabbitMQ and relationship between channel and connection
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I think this reference to the Java Client API is now outdated and in fact today's reference directly contradicts the quote in this answer. Today's reference says "Channel instances must not be shared between threads".
– Edwin Dalorzo
J...
Find maximum value of a column and return the corresponding row values using Pandas
... the index of the row with the largest value.
index = df.Value.argmax()
Now the index could be used to get the features for that particular row:
df.iloc[df.Value.argmax(), 0:2]
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How do I plot in real-time in a while loop using matplotlib?
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This answer requires a-priori knowledge of the x/y data... which is not needed: I prefer 1. don't call plt.axis() but instead create two lists x and y and call plt.plot(x,y) 2. in your loop, append new data values to the two lists 3. call plt.gca().lines[0...
Import SQL file into mysql
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You guys know that this was the OP who answered this?
– Wes
Feb 1 '16 at 14:20
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... = A[i][j];
which is just horrible for a modern CPU. One solution is to know the details about your cache system and tweak the algorithm to avoid those problems. Works great as long as you know those details.. not especially portable.
Can we do better than that? Yes we can: A general approach to ...