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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)

... You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'. As per the manual: When multiple matches are possible, the server must determine which of them to use. It resolves this issue as follows: (...) When a client attempts to connect, the server looks throug...
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu

...n other formats like mm/dd/yyyy (usually works). Specifying the date as 30/12/2013 resulted in the error for me. However, specifying it as mm/dd/yyyy format worked. If you need to convert your input the you can try looking into the CONVERT method. Syntax is CONVERT(VARCHAR,@your_date_Value,103...
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Regex how to match an optional character

...e letter optional. {1} is redundant. (Of course you could also write [A-Z]{0,1} which would mean the same, but that's what the ? is there for.) You could improve your regex to ^([0-9]{5})+\s+([A-Z]?)\s+([A-Z])([0-9]{3})([0-9]{3})([A-Z]{3})([A-Z]{3})\s+([A-Z])[0-9]{3}([0-9]{4})([0-9]{2})([0-9]{2}) ...
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Best way to make Java's modulus behave like it should with negative numbers?

...the negative values of a, since (a % b) is a negative value between -b and 0, (a % b + b) is necessarily lower than b and positive. The last modulo is there in case a was positive to begin with, since if a is positive (a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it into s...
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A top-like utility for monitoring CUDA activity on a GPU

...r – Lee Netherton Oct 25 '19 at 18:10 1 watch -n 0.5 -c gpustat -cp --color ...
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How to count the number of true elements in a NumPy bool array

...xample: >>> import numpy as np >>> boolarr = np.array([[0, 0, 1], [1, 0, 1], [1, 0, 1]], dtype=np.bool) >>> boolarr array([[False, False, True], [ True, False, True], [ True, False, True]], dtype=bool) >>> np.sum(boolarr) 5 Of course, that is ...
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How can I shrink the drawable on a button?

...rawable = getResources().getDrawable(R.drawable.s_vit); drawable.setBounds(0, 0, (int)(drawable.getIntrinsicWidth()*0.5), (int)(drawable.getIntrinsicHeight()*0.5)); ScaleDrawable sd = new ScaleDrawable(drawable, 0, scaleWidth, scaleHeight); Button btn = findViewbyId(R.id.yo...
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Better way to sum a property value in an array

...ay { sum(key) { return this.reduce((a, b) => a + (b[key] || 0), 0); } } const traveler = new TravellerCollection(...[ { description: 'Senior', Amount: 50}, { description: 'Senior', Amount: 50}, { description: 'Adult', Amount: 75}, { description: 'Child', Amount...
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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug

...This is going to sound stupid, but I tried all these solutions, running VS2010 on Windows 7. None of them worked except the renaming and building, which was VERY tedious to say the least. Eventually, I tracked down the culprit, and I find it hard to believe. But I was using the following code in Ass...
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How do I put two increment statements in a C++ 'for' loop?

...valuates both operands, and returns the second operand. Thus: for(int i = 0; i != 5; ++i,++j) do_something(i,j); But is it really a comma operator? Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all...