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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...重构的，架构的问题咱们在这儿就不展开聊了：）
代码V1版
遵循tsf4j的tapp写法，ServerCenterApp类是后台程序的主逻辑类，其中process_pkg是消息处理的主逻辑函数。会对不同的消息调用不同的消息processor函数。而每个消息processor...
Code for decoding/encoding a modified base64 URL
...e only solution that worked for me when parsing a message in the GMail API v1 (Message.Raw)
– HeyZiko
Apr 18 '15 at 18:22
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What is the best practice for “Copy Local” and with project references?
I have a large c# solution file (~100 projects), and I am trying to improve build times. I think that "Copy Local" is wasteful in many cases for us, but I am wondering about best practices.
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postgresql return 0 if returned value is null
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For those wondering, NULLIF(v1, v2) does pretty much the opposite of COALESCE in that it returns NULL if v1 equals v2.
– s.m.
Jun 8 '16 at 6:30
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AngularJS Multiple ng-app within a page
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V1.6 Deprecated: Use angular.element(callback) instead of angular.element(document).ready(callback)). See AngularJS angular.element API Reference. Also github.com/angular/angular.js/commit/…
– georgea...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...classes which takes two arguments is std::string
std::string hundred_dots(100, '.');
This is all well and fine (technically, it would have most vexing parse if it would be written as std::string wat(int(), char()), but let's be honest - who would write that? But let's assume this code has a vexin...
Add spaces before Capital Letters
...pend(text[i]);
}
return newText.ToString();
}
Will do it 100,000 times in 2,968,750 ticks, the regex will take 25,000,000 ticks (and thats with the regex compiled).
It's better, for a given value of better (i.e. faster) however it's more code to maintain. "Better" is often comprom...
Is “double hashing” a password less secure than just hashing it once?
...;
foreach ($tests as $test) {
$hash = $test;
for ($i = 0; $i < 100; $i++) {
$hash = ourHash($hash);
}
echo "Hashing $test => $hash\n";
}
That outputs:
Hashing abc => 152
Hashing def => 152
Hashing hij => 155
Hashing klm => 155
Hrm, wow. We've generated co...
Principal component analysis in Python
...nalysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 columns
fraction: use principal components that account for e.g.
90 % of the total variance
Out:
p.U, p.d, p.Vt: from numpy.linalg.svd, A = U . d . Vt
p.di...
Is there a method to generate a UUID with go language
...interface and the underlying type is an array.
The library also generates v1 UUIDs and correctly generates v3 and 5 UUIDs. There are several new methods to help with printing and formatting and also new general methods to create UUIDs based off of existing data.
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