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大数据不是万能的 - 资讯 - 清泛网 - 专注C/C++及内核技术
...地方。我们认为,大数据其实面对的不是99%的机构面对的问题,这个说法跟市场上很多的说法不大一样。
我们看一下,把这个额度分配到一万到十万区域。在这个领域从事信贷服务的,大家马上想到的是信用卡,也可能想到某...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...定是可信的。
区块链技术原理的来源可归纳为一个数学问题:拜占庭将军问题。拜占庭将军问题延伸到互联网生活中来,其内涵可概括为:在互联网大背景下,当需要与不熟悉的对手方进行价值交换活动时,人们如何才能防止...
AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...
做TCP通讯时遇到的问题,主要问题是:列表如果是字母开头就会出问题
发送这个列表
字母开头的都有这个问题,文本显示没有问题。
上面那个是程序 ,下面这个是测试工具
测试了一下:
1、ClientSocket拓展默认...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...入浅出计算机字符集编码通过解决一个实际工作中的编码问题,深入研究调查了下计算机的字符编码原理,掌握编码的基本原理后,相关的问题都可轻松解决,希望能给大家带来一定帮助。问题缘由:前面页面编码方式统一为UTF...
Best way to give a variable a default value (simulate Perl ||, ||= )
...
In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name'...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...ile /var/www/foo/bar.html exists and serve it if so. If the file ends in ".php" it will invoke the PHP interpreter and then return the result. All this association is completely configurable; a file doesn't have to end in ".php" for the web server to run it through the PHP interpreter, and the URL d...
MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...性的核对与修复我上一次遇到MySQL主从服务器数据一致性问题,想想是几年前的事情了,还依稀记得当时惊慌失措的情景,好在最后借助Maatkit解决了问题。几年...我上一次遇到MySQL主从服务器数据一致性问题,想想是几年前的事...
Checking if form has been submitted - PHP
... type="submit" name="treasure" value="go!">
</form>
Then in the PHP handler:
if (isset($_POST['treasure'])){
echo "treasure will be set if the form has been submitted (to TRUE, I believe)";
}
share
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Can I get CONST's defined on a PHP class?
... are doing this a lot you may want to looking at caching the result.
<?php
class Profile {
const LABEL_FIRST_NAME = "First Name";
const LABEL_LAST_NAME = "Last Name";
const LABEL_COMPANY_NAME = "Company";
}
$refl = new ReflectionClass('Profile');
print_r($refl->getConstants());
...
Simplest way to detect a mobile device in PHP
...est way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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