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sqlite_query

SQLITE_BOTH 会同时返回关联和数字索引。 SQLITE_BOTH 是本函数的默认值。 error_msg The specified variable will be filled if an error occurs. This is specially important because SQL syntax errors can't be fetched using the sqlite_last_error() function. 注: 为兼容其它数据库(例如 MySQL),支持另...
www.jb51.net/shouce/php5/zh/function... 2025-3-10

7. 输入和输出 Input and Output

'w'for only writing (an existing file with the same name will be erased), and'a'opens the file for appending; any data written to the file is automatically added to the end.'r+'opens the file for both reading and writing. Themodeargument is optional;'r'will be assumed if it's ...
www.jb51.net/shouce/python/python_cn... 2025-3-18

数据库 关键字一览表_MsSql_脚本之家

BOTH GROUP ROLLBACK BY HAVING ROWS CASCADE HOUR SCHEMA CASCADED IDENTITY SCROLL CASE IMMEDIATE SECOND CAST IN SECTION CATALOG INCLUDE SELECT CHAR INDEX SESSION CHAR_LENGTH INDICATOR SESSION_USER CHARACTER INITIALLY SET CHARACTER_LENGTH INNER SIZE CHECK INPUT SMALLINT CLOSE INSENSITIVE ...
www.jb51.net/article/951...htm 2025-3-13

Java8并发新特性CompletableFuture_java_脚本之家

依赖两个任务都完成(thenAcceptBoth):两个CompletionStage任务并发执行,必须都完成了才执行action回调处理,即仅仅消费了两个CompletionStage任务的返回值,回调处理结果无返回值。 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 /** * 额外多了CompletionStage参数表示CompletionStage任务依赖的另一个Co...
www.jb51.net/article/2503...htm 2025-3-17

Standard Windows Fonts

$TBS_BOTH 0x0008 Places ticks on both sides of the trackbar. $TBS_BOTTOM 0x0000 Places ticks on the bottom of a horizontal trackbar. $TBS_HORZ 0x0000 Specifies a horizontal trackbar. This is the default. $TBS_VERT 0x0002 Places ticks on the left side of a vertical trackbar. $TBS_NOTH...
www.jb51.net/shouce/autoit/AutoIt_CN... 2025-3-18

Vue 2.0 中依赖注入 provide/inject组合实战_vue.js_脚本之家

// when parentVal & childVal are both present, // we need to return a function that returns the // merged result of both functions... no need to // check if parentVal is a function here because // it has to be a function to pass previous merges. return function mergedDataFn ()...
www.jb51.net/article/1635...htm 2025-3-2

Java CompletableFuture实现多线程异步编排_java_脚本之家

3.0.1-1、runAfterBothAsync:任务01 任务02都完成了,再开始执行任务3,不感知任务1、2的结果的,也没返回值 1 2 3 CompletableFuture<Void> future = future01.runAfterBothAsync(future02, () -> { System.out.println("任务3开始"); }, executor); 3.0.1-2、thenAcceptBothAsync:任务01 任务02都完成了...
www.jb51.net/article/2620...htm 2025-2-22

HTML clearfix清除浮动讲解_CSS/HTML_脚本之家

.clearfix:after{content:'\20';display:block;height:0;clear:both} .clearfix{zoom:1} .clear{clear:both;height:0;line-height:0;font-size:0;visibility:hidden;overflow:hidden} 原理:通过CSS伪元素在容器的内部元素之后添加一个看不见的空格“/20”或点“.” ,并且设置clear属性清除浮动。
www.jb51.net/article/2197...htm 2025-2-23

使用Object.defineProperty实现简单的js双向绑定_javascript技巧_脚本...

TypeError: Invalid property. A property cannot both have accessors and be writable or have a value,#<Object> 因为这里的 name 属性同时声明了 value 特性和 set 及 get 特性,这两者提供了两种对 name 属性的读写控制。这里如果不声明 value 特性,而是声明 writable 特性,结果也是一样的,同样会报错。
www.jb51.net/article/824...htm 2025-3-18

JetCache 缓存框架的使用及源码解析(推荐)_java_脚本之家

getValue方法会创建一个缓存实例,通过@Cached注解可以看到缓存实例名称cacheName为'JetCacheExampleService.getValue',缓存的有效时长为6小时,本地缓存的数量最多为50,缓存类型为BOTH(优先从本地缓存获取);通过@CacheRefresh注解可以看到会为该缓存实例设置一个刷新策略,刷新间隔为1小时,2个小时没访问后不再刷新,需要刷...
www.jb51.net/article/2343...htm 2025-3-14