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Error Dropping Database (Can't rmdir '.test\', errno: 17)
...nted the database. It will not, however, remove non-table files, whereby making it not possible to remove the directory.
MySQL displays an error message when it cannot remove the directory
you can really drop the database manually by removing any remaining files in the database directory and then...
Is there a Mutex in Java?
Is there a Mutex object in java or a way to create one?
I am asking because a Semaphore object initialized with 1 permit does not help me.
Think of this case:
...
Java / Android - How to print out a full stack trace?
In Android (Java) how do I print out a full stack trace? If my application crashes from nullPointerException or something, it prints out a (almost) full stack trace like so:
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How to convert lazy sequence to non-lazy in Clojure
...ing evaluation. Lazy seqs cache their results, so all you need to do is walk the lazy seq once (as doall does) in order to force it all, and thus render it non-lazy. seq does not force the entire collection to be evaluated.
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Matplotlib different size subplots
...ccomplished this using GridSpec and the colspan argument but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize argument in the constructor, but how do I change the size of the second plot?
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What are the main purposes of using std::forward and which problems it solves?
...s. It now fails to allow E to have non-const arguments:
int i = 1, j = 2, k = 3;
void E(int&, int&, int&); f(i, j, k); // oops! E cannot modify these
The third attempt accepts const-references, but then const_cast's the const away:
template <typename A, typename B, typename C>
...
How to determine the encoding of text?
I received some text that is encoded, but I don't know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#.
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Detect Windows version in .net
...lease of Windows that the current execution environment is running in, check out this library.
Important note: if your executable assembly manifest doesn't explicitly state that your exe assembly is compatible with Windows 8.1 and Windows 10.0, System.Environment.OSVersion will return Windows 8 ver...
is it possible to select EXISTS directly as a bit?
I was wondering if it's possible to do something like this (which doesn't work):
9 Answers
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Why does Pycharm's inspector complain about “d = {}”?
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What is the following code to your dictionary declaration?
I think pycharm will trigger the error if you have something like:
dic = {}
dic['aaa'] = 5
as you could have written
dic = {'aaa': 5}
BTW: The fact that the error goes away if you use the function doesn't necessarily mean tha...