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How can I open multiple files using “with open” in Python?
...se it for file opening: "using nested() to open two files is a programming error as the first file will not be closed promptly if an exception is thrown when opening the second file."
– weronika
Sep 1 '11 at 20:49
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What data is stored in Ephemeral Storage of Amazon EC2 instance?
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Actually, I just went ahead and did this but there was an error anyway: Unable to connect to your database server using the provided settings. Filename: core/Loader.php Line Number: 346 Any ideas? This wasn't happening prior to doing this.
– James
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round() for float in C++
... but there are others such as round-to-even, which is less biased and generally better if you're going to do a lot of rounding; it's a bit more complex to implement though.
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What is the difference between a reference type and value type in c#?
...e person colouring their paper wouldn't change the other person's paper at all.
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How to check that an object is empty in PHP?
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The typecasting doesn't work for me, because I get the error: PHP Parse error: syntax error, unexpected '(array)' (array) (T_ARRAY_CAST) in ... I use PHP version 5.4.28 and the first option with two lines of code works for me.
– Coanda
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What is the 'new' keyword in JavaScript?
...n's external, accessible, prototype object (every function object automatically has a prototype property).
It makes the this variable point to the newly created object.
It executes the constructor function, using the newly created object whenever this is mentioned.
It returns the newly created objec...
How do I implement an Objective-C singleton that is compatible with ARC?
...ls init when they should have called sharedInstance or similar, it's their error. Subverting the fundamentals, and basic contracts, of the language in order to stop others potentially making mistakes seems quite wrong. There's more discussion at boredzo.org/blog/archives/2009-06-17/doing-it-wrong
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What does “zend_mm_heap corrupted” mean
...y application that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean.
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How do you represent a JSON array of strings?
... invalid, when you would try to parse that string as a json it'll throw an error/exception. The fact you say that JSON is always key/value pairs is also inherently wrong. Nothing in the JSON spec says you NEED to have key/value pairs. When talking about data transport indeed key/value pairs are the ...
UPDATE multiple tables in MySQL using LEFT JOIN
...just update 10000 rows at a time. If I just add LIMIT 10000 it gives me an error saying 'Incorrect usage of UPDATE and LIMIT'
– Haril Satra
Feb 19 '19 at 21:46
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