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Why are regular expressions so controversial? [closed]
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123
Making Regexes Maintainable
A major advance toward demystify the patterns previously referred...
javascript pushing element at the beginning of an array [duplicate]
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Use .unshift() to add to the beginning of an array.
TheArray.unshift(TheNewObject);
See MDN...
Recommended way of getting data from the server
...l';
book.create();
// to retrieve a book
var bookPromise = Book.get(123);
bookPromise.then(function(b) {
book = b;
});
};
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SQL中使用update inner join和delete inner join；Oracle delete join替代...
...r join tb_Address addr on usr.nAddressFK = addr.nAddressID
where usr.id=123
update的格式是
update t1 set t1.name=’Liu’ from t1 inner join t2 on t1.id = t2.tid
MySQL，ACCESS 写法如下：
Sql代码
UPDATE mem_world AS mw1 INNER JOIN mem_world AS mw2
ON mw1.p...
Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...火墙需要关闭，否则会阻止NTP服务端口，NTP服务默认端口123)
6、通过ntpq –p静态查看NTP服务器与外部NTP服务器同步情况。
通过watch ntpq -p 动态查看NTP服务器与外部NTP服务器同步情况，一般需要等5--10分钟左右NTP服务器...
AsciiConversion 拓展问题：字母开头的会出现“C2”非预期字符 - App Inven...
...二进制数据的发送接口，并测试通过，详见：https://www.fun123.cn/reference/ ... ctivity.html#Socket测试结果如下：
最大装载数不显示计算数值 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...一步步跟踪问题。更多调试方法请参考这里：https://www.fun123.cn/reference/creative/debug.html
App Inventor 2 TableView 拓展：TableView 拓展：数据表格视图，表格展示...
...ew 拓展
效果如下：
.aix 拓展下载：
cn.fun123.Table.aix
demo程序下载：
table_demo.aia
使用方法
初始化表格对象到一个布局中，并设置表头及表头背景颜色：
展示数据表格：
平滑滚动到最后...
How to remove leading zeros using C#
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This is the code you need:
string strInput = "0001234";
strInput = strInput.TrimStart('0');
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Convert boolean result into number/integer
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123
Imho the best solution is:
fooBar | 0
This is used in asm.js to force integer type.
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