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Splitting string into multiple rows in Oracle
...t from Regular Expressions, a few other alternatives are using:
XMLTable
MODEL clause
Setup
SQL> CREATE TABLE t (
2 ID NUMBER GENERATED ALWAYS AS IDENTITY,
3 text VARCHAR2(100)
4 );
Table created.
SQL>
SQL> INSERT INTO t (text) VALUES ('word1, word2, word...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...始扫描 -> 获取BLE设备列表 -> 连接指定设备(也可指定MAC地址连接)-> 设备指定服务uuid和特征uuid 发送 / 接收 数据。
广播
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你真的了解熊市有多么可怕吗? - 创意 - 清泛网 - 专注C/C++及内核技术
...们都说,瞧,那是大户的,有钱人,90万才能上大户室。我的股票从10万到1万。
就拿最近的一次来说把:2000年到2005年,这期间,证券公司倒闭了一半!股市日成交金额很多天低于40亿,云南铜业最低不到4块钱,那个时候,谁在...
How to change the default encoding to UTF-8 for Apache?
...
This is a great solution and less invasive than modifying the httpd.conf file.
– Andrew Swift
Jun 26 '12 at 16:20
1
...
WordPress is giving me 404 page not found for all pages except the homepage
...de the line, it's a Wordpress permissions issue.
Verify that the 'rewrite' module is loaded: create a PHP file with
<?php
phpinfo()
?>
in it, open it in the browser and search for mod_rewrite. It should be in the 'Loaded Modules' section.
If it's not, enable it - Look at your apache defa...
一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
...特币产生的动机开始。
以物易物的比特村
话说在这个世界上,有一个叫比特村的小村庄,村庄共有几百户人家。这个村庄几乎与世隔绝,过着自给自足的生活。由于没有大规模贸易,比特村村民一直过着以物易物的生活,也...
Cleaner way to update nested structures
...e his example here:
scala> @zip case class Pacman(lives: Int = 3, superMode: Boolean = false)
scala> @zip case class Game(state: String = "pause", pacman: Pacman = Pacman())
scala> val g = Game()
g: Game = Game("pause",Pacman(3,false))
// Changing the game state to "run" is simple usin...
How to debug .htaccess RewriteRule not working
...che .conf file.
open the .conf file, and look for a line similar to:
LoadModule rewrite_module modules/mod_rewrite.so
If it is commented(#), uncomment and restart apache.
To log rewrite
RewriteEngine On
RewriteLog "/path/to/rewrite.log"
RewriteLogLevel 9
Put the above 3 lines in your virtu...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...个异常标识、抛出的对象的数目和抛出的对象的数组的首地址。其代码示例如下:
__declspec(noreturn) void __stdcall __CxxThrowException(void* pObj, _ThrowInfo* pInfo)
{
struct { unsigned int magic; void* object, _ThrowInfo* info } Params;
Params throwParams =
...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...个异常标识、抛出的对象的数目和抛出的对象的数组的首地址。其代码示例如下:
__declspec(noreturn) void __stdcall __CxxThrowException(void* pObj, _ThrowInfo* pInfo)
{
struct { unsigned int magic; void* object, _ThrowInfo* info } Params;
Params throwParams =
...