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Java: parse int value from a char

...So e.g. '0' in ascii is 48, '1' is 49, etc. So if you take '2' - '0' you really just get 50 - 48 = 2. Have a look at an ASCII table in order to understand this principle better. Also, 'x' means get the ascii value of the character in Java. – Kevin Van Ryckegem ...
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Why does SSL handshake give 'Could not generate DH keypair' exception?

... This works for me too, but I have added a provider dynamically. Reffer my answer here for details. – v.ladynev Nov 22 '15 at 9:19 ...
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Flask-SQLalchemy update a row's information

...e many objects to be updated. If you want to give add_user permission to all the admins, rows_changed = User.query.filter_by(role='admin').update(dict(permission='add_user')) db.session.commit() Notice that filter_by takes keyword arguments (use only one =) as opposed to filter which takes an e...
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Convert nested Python dict to object?

...; s.a 1 >>> s.b {'c': 2} >>> s.c Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'MyStruct' object has no attribute 'c' >>> s.d ['hi'] The alternative (original answer contents) is: class Struct: def __init__(self...
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Test if lists share any items in python

... Short answer: use not set(a).isdisjoint(b), it's generally the fastest. There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such: bool(set(a) & set(b)) Because sets are stor...
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Preferred way to create a Scala list

...do so with a tail-recursive function, foldLeft, or something else is not really relevant. If you get the elements in the same order you use them, then a ListBuffer is most likely a preferable choice, if performance is critical. But, if you are not on a critical path and the input is low enough, yo...
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Make a borderless form movable?

... This article on CodeProject details a technique. Is basically boils down to: public const int WM_NCLBUTTONDOWN = 0xA1; public const int HT_CAPTION = 0x2; [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam...
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How to include external Python code to use in other files?

...ods in a file, is there a way to include those files in another file, but call them without any prefix (i.e. file prefix)? ...
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HTML5 Email Validation

...e="Submit"> </form> And when the user press submit, it automatically shows an error message like: share | improve this answer | follow | ...
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How to run functions in parallel?

...find an answer to my question. I am trying to run multiple functions in parallel in Python. 6 Answers ...