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财务计算器拓展：复利计算、平均值、中位数、众数、方差计算 - App Invento...
Financial Calculator Extension
精心打造的“财务计算器”扩展，为您的Android应用程序增添先进的财务和统计功能。此扩展让您能够执行广泛的财务计算，从简单利息和复利到净现值和投资回报率。它还使您能够进行基本的统计计算...
Mutex example / tutorial? [closed]
...eady executing some lines of code. There are concepts of recursive mutexes etc, but this example was only meant to show you the basic concept. Hope the example gives you a clear picture of the concept.]
With C++11 threading:
#include <iostream>
#include <thread>
#include <mutex>...
How to access property of anonymous type in C#?
...an array into a list, e.g.
var nodes = (new[] { new { Checked = false, /* etc */ } }).ToList();
Then you'll be able to access it like:
nodes.Any(n => n.Checked);
Because of the way the compiler works, the following then should also work once you have created the list, because the anonymous ...
How to Query an NTP Server using C#?
... {
ct.Token.Register(() => _resultCompletionSource.TrySetCanceled());
socket.MessageReceived += OnSocketMessageReceived;
//The UDP port number assigned to NTP is 123
await socket.ConnectAsync(new HostName("pool.ntp.org"), "123");
u...
Generating v5 UUID. What is name and namespace?
...e a filename within a logical directory, object-id within an object-store, etcetera.
While this works well for a moderately large number of namespaces and keys, it eventually runs out of steam if you are aiming for a very large numbers of keys that are unique with very high probability. The Wikiped...
Determining if a variable is within range?
...1..10
# do thing 1
when 11..20
# do thing 2
when 21..30
# do thing 3
etc...
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How to file split at a line number [closed]
...hanks. found a similarly answered question over at superuser ie. use tail etc And, yes split will work with my example, but not always had my example been 100K.
– denormalizer
Jun 18 '10 at 4:24
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How do I use reflection to invoke a private method?
...ore difficult.
It looks like you should just have a DrawItem1, DrawItem2, etc class that override your dynMethod.
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Add data annotations to a class generated by entity framework
...an read the rules for validating each field (from a database, config file, etc.) and add validators as need be. It has the added values that your validation is no longer tightly coupled to the model and can be changed without need to even restart the site. Of course it might be overkill for your cas...
Storing Images in PostgreSQL
...m with backing up blobs!), PostgreSQL additional supplied modules, How-tos etc.
use a separate database with DBlink: for original image store, at another (unified/specialized) database. In this case, I prefer bytea, but blob is near the same. Separating database is the best way for a "unified imag...