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How to check if a python module exists without importing it

...active help system starts on the interpreter console. If the argument is a string, then the string is looked up as the name of a module, function, class, method, keyword, or documentation topic, and a help page is printed on the console. If the argument is any other kind of object, a help page on th...
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How can I create a copy of an object in Python?

...ame object: >>> tuple_copy_attempt is a_tuple True Similarly for strings: >>> s = 'abc' >>> s0 = s[:] >>> s == s0 True >>> s is s0 True and for frozensets, even though they have a copy method: >>> a_frozenset = frozenset('abc') >>> fro...
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Manually map column names with class properties

... _mappers = mappers; } public SqlMapper.IMemberMap GetMember(string columnName) { foreach (var mapper in _mappers) { try { var result = mapper.GetMember(columnName); if (result != null) { ...
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Convert Dictionary to semicolon separated string in c#

Simple one to start the day, given a Dictionary<string, string> as follows: 4 Answers ...
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Do zombies exist … in .NET?

... private static extern void ExitThread(uint dwExitCode); static void Main(string[] args) { new Thread(Target).Start(); Console.ReadLine(); } private static void Target() { using (var file = File.Open("test.txt", FileMode.OpenOrCreate)) { ExitThread(0); } } This progra...
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Using Regular Expressions to Extract a Value in Java

I have several strings in the rough form: 13 Answers 13 ...
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Custom Adapter for List View

... class MyCustomAdapter extends BaseAdapter { private ArrayList<String> mData = new ArrayList<String>(); private LayoutInflater mInflater; public MyCustomAdapter() { mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); ...
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Get the current script file name

...o($filename, PATHINFO_FILENAME); } var_dump(chopExtension('bob.php')); // string(3) "bob" var_dump(chopExtension('bob.i.have.dots.zip')); // string(15) "bob.i.have.dots" Using standard string library functions is much quicker, as you'd expect. function chopExtension($filename) { return subst...
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How to change a django QueryDict to Python Dict?

...n where a given key may have one or more values, you could sometimes get a string, and sometimes get a list of strings. – Asherah Jan 4 '16 at 3:11 add a comment ...
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what is faster: in_array or isset? [closed]

...ated and contain non-hashable objects. Keys must be unique and can only be strings and integers which makes them easily hashable. While you could create a one-to-one map that hashes both keys and values, this isn't how PHP's array works. – David Harkness Nov 20...