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Create boolean column in MySQL with false as default value?
...nal things. Error codes are not booleans.
– Matthew Read
May 16 '18 at 18:19
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What does `dword ptr` mean?
... @JeremyP Word mean is changing according to processors. After reading this article can you say again word is 16 bits or you are only defining the simple meaning of word which means two bytes? Modern processors, including embedded systems, usually have a word size of 8, 16, 24, 32, or 64...
HttpServletRequest get JSON POST data [duplicate]
...to use a custom decoder that can process the raw datastream from:
BufferedReader reader = request.getReader();
Json post processing example (uses org.json package )
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
StringBuff...
Clear MySQL query cache without restarting server
...ions. We were facing the issue of data being written by one connection and read by other and it was caching heavily. This one seems to help a lot. Thx,
– psuhas
Oct 23 '16 at 1:43
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How do I combine two data-frames based on two columns? [duplicate]
...g data frames. Looks like you have data.tables. Totally different. I would read the documentation for data.table.
– joran
May 13 '14 at 21:47
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Is Javascript compiled or an interpreted language? [closed]
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Go and read the answers to this question
https://softwareengineering.stackexchange.com/questions/138521/is-javascript-interpreted-by-design
The answer I accepted is excellent and should help answer your question.
For me personall...
Local (?) variable referenced before assignment [duplicate]
... global test1
test1 += 1
testFunc()
However, if you only need to read the global variable you can print it without using the keyword global, like so:
test1 = 0
def testFunc():
print test1
testFunc()
But whenever you need to modify a global variable you must use the keyword global....
numpy matrix vector multiplication [duplicate]
... how it works, but honestly, I didn't fully understand how to use it until reading this answer and just playing around with it on my own.
>>> np.einsum('ji,i->j', a, b)
array([16, 6, 8])
As of mid 2016 (numpy 1.10.1), you can try the experimental numpy.matmul, which works like numpy.do...
How to pass objects to functions in C++?
...reasons. Sutter & Alexandrescu C++ Coding Standards is a great book to read and you can get quite a few of good advices, but it is not really a style guide. I don't know of any automated checker for style, other than humans and common sense.
– David Rodríguez - dribeas
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Why is Thread.Sleep so harmful
I often see it mentioned that Thread.Sleep(); should not be used, but I can't understand why this is so. If Thread.Sleep(); can cause trouble, are there any alternative solutions with the same result that would be safe?
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