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What would a “frozen dict” be?
...
Python doesn't have a builtin frozendict type. It turns out this wouldn't be useful too often (though it would still probably be useful more often than frozenset is).
The most common reason to want such a type is when memoizing function calls for fu...
How can I measure the actual memory usage of an application or process?
...ion, you need to run the program through Valgrind:
valgrind --tool=massif <executable> <arguments>
Massif writes a dump of memory usage snapshots (e.g. massif.out.12345). These provide, (1) a timeline of memory usage, (2) for each snapshot, a record of where in your program memory was a...
html onchange event not working
...s the new value in the input ('element.value')
– stealthjong
Sep 11 '14 at 9:37
4
I also notice "...
Which version of MVC am I using?
...
For me, it appears in web.config as ` <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" /> <bindingRedirect oldVersion="1.0.0.0-5.0.0.0" newVersion="5.0.0.0" />`. This is showing MVC version 5. I checked by the other two...
How to generate keyboard events in Python?
...("_input", _INPUT))
LPINPUT = ctypes.POINTER(INPUT)
def _check_count(result, func, args):
if result == 0:
raise ctypes.WinError(ctypes.get_last_error())
return args
user32.SendInput.errcheck = _check_count
user32.SendInput.argtypes = (wintypes.UINT, # nInputs
...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...ul for (and the most used for) cases where you want a fixed, non-null default if something is null. Given that, firstNonNull fails if the second argument is null to help programmer errors be caught faster.
– ColinD
Jan 27 '14 at 18:37
...
When NOT to call super() method when overriding?
... super.
In the SAXParser example you provide, the implementations of DefaultHandler for those methods are just empty, so that subclasses can override them and provide a behavior for those methods. In the javadoc for this method this is also pointed out.
public void startElement (String uri, String...
Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
...g "C:\Program Files\MySQL\MySQL Server 5.6\bin\mysqld.exe" --defaults-file="C:\\Program Files\\MySQL\\MySQL Server 5.6\\my.ini" --init-file=C:\\mysql-init.txt Everything is where it is supposed to be and what you have above I did put in the file accordingly. I do have the service ...
What's the difference between an inverted index and a plain old index?
...identical, it's just a question of what information you have, and as a result what information you're trying to find.
To address your inquiry, I don't think there's actually a way to know why the use is what it is today. The only reason it's important to define which is forward and which one is inv...
Check if value exists in Postgres array
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The right operand of ANY (between parentheses) can either be a set (result of a subquery, for instance) or an array. There are several ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN vs ANY operator in PostgreSQL
Important difference: Array operators (<@, @>, &...