大约有 5,500 项符合查询结果(耗时:0.0123秒) [XML]

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ORACLE 启动提示 内存不足 OUTOF MEMORY - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

... kernel.shmmax = 2147483648 kernel.shmmni = 4096 kernel.sem = 250 32000 100 128 fs.file-max = 65536 net.ipv4.ip_local_port_range = 1024 65000 net.core.rmem_default=262144 net.core.rmem_max=262144 net.core.wmem_default=262144 net.core.wmem_max=262144 在ORACEL 用户下 输入 su - ...
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oracle top 替代方案 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

... select * from ( select * from xxx order by xx ) where rownum <= 100 等同于SQL:select top 100 * from xxx order by xx。oracle top
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MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ollection("GroupDemo").Save(CreateBsonDoc("u1", new DateTime(2015, 7, 20), 100)); db.GetCollection("GroupDemo").Save(CreateBsonDoc("u1", new DateTime(2015, 7, 22), 200)); db.GetCollection("GroupDemo").Save(CreateBsonDoc("u2", new DateTime(2015, 5, 22), 100)); ...
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PHP中9大缓存技术总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... [apc] extension=php_apc.dll apc.rfc1867 = on upload_max_filesize = 100M post_max_size = 100M apc.max_file_size = 200M upload_max_filesize = 1000M post_max_size = 1000M max_execution_time = 600 ; 每个PHP页面运行的最大时间值(秒),默认30秒 max_input_time = 600 ; 每...
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js中int和string互换(js int转string,js string转int) - 更多技术 - 清...

...照如下方法: 一、Javascript 将 int 转 string (1) var x = 100; a = x.toString(); (2) var x = 100; a = x + ""; //JS会自动隐性转换 二、Javascript 将string 变成 int var s = "32" var i = new Number(s); 或 var i = parseInt(s); parseInt返回值: parse...
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兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ns="http://www.w3.org/1999/xhtml"> <head> <title>Web开发者 - www.Admin10000.com </title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript"> var clipboardswfdata; var setcopy_gettext = function(){ clipboardswfdata = documen...
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js 设置max-height属性 - 更多技术 - 清泛网 - 专注C/C++及内核技术

js 设置max-height属性obj.style.maxHeight = '100px';obj.style.maxHeight = '100px'; 直接使用style.max-height会报错,同理有中横杠的属性名都要变一下。 max-height 属性
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VS编程之查看数组信息 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...辑框数组名的后面写逗号(英文状态下),然后10,想看100个元素,就写个逗号,写个100;然后点击“重新计算”,就可以看到喽! 如果“添加监视”,可以在监视窗口,看到某变量动态变化的过程,可以添加多个变量。...
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MFC日历控件完全自绘MyCalendar Control - 源码下载 - 清泛网 - 专注C/C++及内核技术

... Code #include "MyCalendar.h" CMyCalendar calendar; RECT wndRect = {100,100,0,0}; calendar.Create( hParentWnd, &wndRect ); The width and the height of the calendar window rectangle are not important since a calendar has fixed size. Next, set some calendar properties: Hide Copy Code ca...
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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网

...-X GET --compressed 'https://api.qweather.com/v7/weather/7d?location=101010100&key=YOUR_KEY' 第三方API的调用 使用”Web客户端“组件调用第三方API,代码如下: JSON结果的解析 请求成功返回JSON示例 { "code": "200", "updateTime": "2021-11-15T16:35+08:00", ...