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Performing Inserts and Updates with Dapper
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edited Jun 12 '17 at 5:32
answered Apr 24 '17 at 20:02
O...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
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You can use x.astype('uint8') where x is your Boolean array.
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Get ID of last inserted document in a mongoDB w/ Java driver
...me", "Matt" );
collection.insert( doc );
ObjectId id = (ObjectId)doc.get( "_id" );
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C++0x has no semaphores? How to synchronize threads?
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32
It was deliberately excluded from Boost on the basis that a semaphore is too much rope for programmers to hang themselves with. Condition v...
namedtuple and default values for optional keyword arguments
...Node()
Node(val=None, left=None, right=None)
Before Python 3.7
Set Node.__new__.__defaults__ to the default values.
>>> from collections import namedtuple
>>> Node = namedtuple('Node', 'val left right')
>>> Node.__new__.__defaults__ = (None,) * len(Node._fields)
>&g...
What is Func, how and when is it used
...PrintListToConsole<T> {
private PrintListConsoleRender<T> _renderer;
public void SetRenderer(PrintListConsoleRender<T> r) {
// this is the point where I can personalize the render mechanism
_renderer = r;
}
public void PrintToConsole(List<T>...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
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JonathanJonathan
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Remove duplicate dict in list in Python
... {'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
if t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Example output:
[{'a': 123, 'b': 1234}, {'a': 3222, 'b': 1234}]
Note: As pointed out by @alexis ...
Java regex email
...ddresses. The Regexp's are very similar:
public static final Pattern VALID_EMAIL_ADDRESS_REGEX =
Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
public static boolean validate(String emailStr) {
Matcher matcher = VALID_EMAIL_ADDRESS_REGEX.matche...
Maximum call stack size exceeded error
...ay into a string using the following:
String.fromCharCode.apply(null, new Uint16Array(bytes))
bytes contained several million entries, which is too big to fit on the stack.
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