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  • Kotlin Example2022-02-08 18:02:02

    Introduction Hello Word Kotlin code is usually defined in packages. Package specification is optional: If you don’t specify a package in a source file, its content goes to the default package. An entry point to a Kotlin application is the main function.

  • MySQL - 学习笔记 - 表连接 SQL JOIN2022-02-04 23:33:16

    MySQL - 学习笔记 - 表连接 SQL JOIN 表连接 SQL JOIN 速查表参考资料 表连接 SQL JOIN 速查表 CSDN下载:SQL JOIN 表连接.PDF 原址下载:SQL JOIN 表连接.PDF 参考资料 菜鸟教程:MySQL 连接的使用 官方文档:/Functions and Operators / String Functions and Operators / S

  • functools.reduce(lambda f, g: lambda x: f(g(x)), functions, lambda x: x)2022-01-27 23:34:07

    首先,这里操作的数据对象是「函数」,目标是将这些函数复合,也就是「function composing」 functools.reduce(lambda f, g: lambda x: f(g(x)), functions, lambda x: x) lambda f, g: lambda x: f(g(x)) 通过lambda表达式复合函数,它将返回f与g的复合函数f(g(x))) functions 包含多个

  • 15 Python 3 - Functions2022-01-27 20:33:23

      A function is a block of organized, reusable code that is used to perform a single, related action. Functions provide better modularity for your application and a high degree of code reusing. As you already know, Python gives you many built-in functions

  • CAPL接口学习之Signal Access CAPL Functions2022-01-25 19:03:10

    CAPL接口学习之Signal Access CAPL Functions

  • modern_cpp_4-C++ Functions2022-01-23 17:30:59

    文章目录 函数命名建议函数返回值返回类型自动推导和返回多个值RVO(Return Value Optimization) 局部变量和静态变量默认参数传递较大的参数应使用`Const Reference`实验:Cost of passing by value inlineOverloadingNaive overloading Good Practices & Bad Practices实践 Na

  • .NET CORE LinQ查询中计算时间差2022-01-14 11:03:01

    项目中有这样一个需求: 当客户端输入一个数值,后端需要过滤两个时间差的秒数是该数值再返回数据 1错误的方法 一开始直接使用了C#中的时间计算方法 int second=20; if (second > 0) { list = list.Where(p => (p.EndTime - p.StartTime).TotalSeconds >= second); } 以上

  • [Blue Prism] Decision 的使用2022-01-10 16:36:38

          1.用于判断流程内的走向,表达式的值必须是 TRUE 或 FALSE。 Link的 Yes 和 No 属性,可以通过右键Link出现的菜单选项 Switch 修改, 2.属性对话框 Name - 输入的名称将显示在流程图上的 "Decision"。 Description - 附加说明字段允许输入更长的叙述。 Expression - 

  • man命令详解2022-01-09 18:34:19

    man命令详解 - 1 Executable programs or shell commands - 2 System calls (functions provided by the kernel) - 3 Library calls (functions within program libraries) - 4 Special files (usually found in /dev) - 5 File formats and conventions, e.

  • linux shell显示ok或fail --- action2022-01-07 10:00:38

    经常看到shell运行会显示 Web is OK. [ OK ] Web is Fail. [FAILED] 这样的ok和fail是怎么来的呢? 是不是感觉这样显示更直观,好看。其实就是调用系统的命令 测试shell #!/bin

  • Linux:ftrace: 为什么有些函数没有在available_filter_functions2022-01-04 21:32:57

    文章目录 例如:__run_hrtimer汇编 例如:__run_hrtimer 这个函数其实有被用到,在函数__hrtimer_run_queues 中,有调用__run_hrtimer 但是在available_filter_functions 文件中就是没有 <sbc2048-fwp-a:root>/sys/kernel/debug/tracing: # grep __run_hrtimer av* <sbc2048-fwp

  • THE FUNDAMENTALS OF AUTOGRAD2022-01-03 17:31:03

    What Do We Need Autograd For? A machine learning model is a function, with inputs and outputs. For this discussion, we’ll treat the inputs a as an i-dimensional vector \vec{x}x, with elements x_{i}xi​. We can then express the model, M, as a vector-va

  • 636. Exclusive Time of Functions2022-01-03 10:03:38

    这道题很明显,需要用到stack,我一开始的想法是用两个stack,一个存functions,一个存start times,算法如下: package stack; import java.util.List; import java.util.Stack; public class ExclusiveTimeofFunctions636 { public int[] exclusiveTime(int n, List<String> logs) {

  • oracle ocp 19c考题,科目082考试题-date/time functions2021-12-22 14:04:41

    4.Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.) A. CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds B. SY

  • db2 migrate to mysql2021-12-21 16:04:39

    tools https://dbconvert.com/db2/mysql/ https://www.ispirer.com/products/migrate-db2-as-400-to-mysql (spirer MnMTK 自动完成数据库对象从 DB2 iSeries 到 MySQL的整个迁移。此外,选择 Ispirer 迁移解决方案将 DB2 iSeries 转换为 MySQL,您可以消除大部分相关风险并显着减少内

  • lua+torch equivalents of numpy functions2021-12-19 20:32:05

    文章目录 torch equivalents of numpy functionsTypesConstructorsOnes and zerosFrom existing dataNumerical RangesBuilding MatricesAttributesIndexingShape ManipulationItem selection and manipulationCalculationArithmetic and comparison operations torch

  • 正式发布 Azure Functions OpenAPI Extension2021-12-07 10:03:03

    距离Azure Functions OpenAPI Extension的预览版发布已有一年的时间,今天,我们很开心地宣布它已经正式发布了!该版本支持.NET Core 2.1 (LTS)、3.1 (LTS)、.NET 5 和 .NET 6 (LTS)的同时,它还支持Azure Functions运行时的进程内和进程外工作线程。 接下来,让我们看看如何在 Visual St

  • U-Boot函数篇 | U-Boot中C语言exported functions声明2021-11-21 12:32:15

    include/export.h #ifndef __EXPORTS_H__ #define __EXPORTS_H__ #ifndef __ASSEMBLY__ #ifdef CONFIG_PHY_AQUANTIA #include <phy_interface.h> #endif struct spi_slave; /* These are declarations of exported functions available in C code */ unsigned long

  • TypeScript 之 More on Functions2021-11-17 10:32:56

    前言 TypeScript 的官方文档早已更新,但我能找到的中文文档都还停留在比较老的版本。所以对其中新增以及修订较多的一些章节进行了翻译整理。 本篇整理自 TypeScript Handbook 中 「More on Functions」 章节。 本文并不严格按照原文翻译,对部分内容也做了解释补充。 正文

  • 方法与函数(Methods and Functions)2021-11-16 18:31:52

    class Account: def __init__(self, account_holder): self.balance = 0 self.holder = account_holder def deposit(self, amount): self.balance = self.balance + amount return self.balance de

  • 2021-11-052021-11-05 18:34:08

    The difference between cstdlib and stdlib.h The header of the general-purpose standard library for C++, also known as cstdlib in C++, defines a core set of functions used for data type conversion, pseudo-random number generation, memory allocation, searc

  • Detours学习之八:DetoursAPI 函数参考2021-10-28 12:04:02

    Detours API 函数参考 The Table of Contents provides an alphabetical listing of the available API functions, which can be grouped as follows: 目录按字母顺序列出可用的API功能,可分为以下类别: APIs For Detouring Target Functions 用于迂回目标函数的api DetourTrans

  • IDAPro F5出现too big function 解决方法2021-10-26 20:35:27

    遇到了报错 报错信息: Decompilation failure: 8048602: too big function Please refer to the manual to find appropriate actions 解决 修改配置文件IDA 7.0\cfg\hexrays.cfg MAX_FUNCSIZE = 64 // Functions over 64K are not decompiled // 修改

  • 缺省源2021-10-14 19:32:45

    //#pragma GCC optimize("-fdelete-null-pointer-checks,inline-functions-called-once,-funsafe-loop-optimizations,-fexpensive-optimizations,-foptimize-sibling-calls,-ftree-switch-conversion,-finline-small-functions,inline-small-functions,-frerun-cse-afte

  • 卡常必备2021-10-08 12:04:29

    #pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra"

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