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How to fix a locale setting warning from Perl?

...cale failed. perl: warning: Please check that your locale settings: LC_ALL = (unset), LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). My guess is you used ssh to connect to this older host from a newer desktop ma...
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

...ssing token (see below), is replaced by the corresponding argument after all macros contained therein have been expanded. Before being substituted, each argument’s preprocessing tokens are completely macro replaced as if they formed the rest of the preprocessing file; no other preprocessin...
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Equals(=) vs. LIKE

...tify an example where these operators produce obviously different results. Allow me to quote from the MySQL manual: Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLA...
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How to check whether a variable is a class or not?

... The inspect.isclass is probably the best solution, and it's really easy to see how it's actually implemented def isclass(object): """Return true if the object is a class. Class objects provide these attributes: __doc__ documentation string __module__ ...
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How to hide keyboard in swift on pressing return key?

...wDidLoad() // Do any additional setup after loading the view, typically from a nib. self.myTextField.delegate = self } func textFieldShouldReturn(_ textField: UITextField) -> Bool { self.view.endEditing(true) return false } } Code source: http://www...
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Python extract pattern matches

...h a standard python REPL, the last result is stored in a special variable called _. It isn't valid outside anywhere else. – UltraInstinct Mar 13 '19 at 2:25 ...
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map vs. hash_map in C++

...tied to that key. map is implemented as a balanced binary search tree (usually a red/black tree). An unordered_map should give slightly better performance for accessing known elements of the collection, but a map will have additional useful characteristics (e.g. it is stored in sorted order, which...
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“Code too large” compilation error in Java

...size for code in Java? I wrote a function with more than 10,000 lines. Actually, each line assigns a value to an array variable. ...
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Facebook share link without JavaScript

...ove it (the onclick part) ... and it will still work. But I can see how it all not 100% clear ... I'll edit it. – King'ori Maina Feb 26 '14 at 16:03 2 ...
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Integrating MySQL with Python in Windows

...rrently, I would recommend using PyMySQL. It's pure python, so it supports all OSes equally, it's almost a drop-in replacement for mysqldb, and it also works with python 3. The best way to install it is using pip. You can install it from here (more instructions here), and then run: pip install pymy...