大约有 23,000 项符合查询结果（耗时：0.0593秒） [XML]
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
...which means easy help is available.
"Flask is a microframework for Python based on Werkzeug, Jinja 2 and good intentions". Beware - "microframework" may be misleading. This does not mean that Flask is a half-baked library. This mean the core of flask is very, very simple. Unlike Django, It will not...
How do I implement IEnumerable
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@ja72 What if you're already inheriting from another base class and cannot inherit from Collection<MyObject>?
– Monroe Thomas
Oct 9 '18 at 22:41
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How to handle WndProc messages in WPF?
...ected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
HwndSource source = PresentationSource.FromVisual(this) as HwndSource;
source.AddHook(WndProc);
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wPara...
Using WebAPI or MVC to return JSON in ASP.NET
...ontroller instead.
Personally, I use Web API controllers for driving JSON-based RESTful clients, I use MVC controllers for handling basic browser routing and delivery of the SPA.
share
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improve th...
Inverse dictionary lookup in Python
...#####################
class _DDChecker(type):
def __new__(cls, name, bases, classdict):
for key, value in classdict.items():
if key not in {'__new__', '__slots__', '_DoubleDict__dict_view'}:
classdict[key] = cls._wrap(value)
return super().__new__(cl...
How to force R to use a specified factor level as reference in a regression?
...d the relevel command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the future you want the default behavior again), then you can ...
Generate random password string with requirements in javascript
...m number, eg: 0.123456
.toString(36) // Convert to base-36 : "0.4fzyo82mvyr"
.slice(-8);// Cut off last 8 characters : "yo82mvyr"
Documentation for the Number.prototype.toString and string.prototype.slice methods.
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How to calculate age (in years) based on Date of Birth and getDate()
...ultiplying by 100? This works for me as I'm trying to replicate in the database what exists in our code library - but I couldn't explain your function. This might be a stupid question :)
– Jen
Sep 25 '13 at 5:30
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return query based on date
I have a data like this in mongodb
7 Answers
7
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How to Create Deterministic Guids
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As mentioned by @bacar, RFC 4122 §4.3 defines a way to create a name-based UUID. The advantage of doing this (over just using a MD5 hash) is that these are guaranteed not to collide with non-named-based UUIDs, and have a very (very) small possibility of collision with other name-based UUIDs.
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