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What does -save-dev mean in npm install grunt --save-dev
.... It is pretty hard to set up and I am at the point of creating a package.json file.
6 Answers
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地图组件（高德地图） · App Inventor 2 中文网
...，出于性能原因，建议使用 设置中心 来设置数值的纬度和经度，而不是转换为字符串表示形式以使用此属性。
位置传感器
使用提供的 位置传感器 提供的位置，而不是内置默认位置，以获取用户位置数据。
边界范围
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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...式，反码是原码除最高位其余位取反，规定：正数的反码和原码相同，负数的反码是原码除了符号位，其余为都取反，因此-1 的源码为 1 0000001 ，反码为 1 1111110, 现在再用反码来计算 1+(-1)
0000 0001
+ 1111 1110
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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...存的
在Linux里（别的系统也差不多），内存有物理内存和虚拟内存之说，物理内存是什么自然无需解释，虚拟内存实际是物理内存的抽象，多数情况下，出于方便性的考虑，程序访问的都是虚拟内存地址，然后操作系统会通过Pa...
What is purpose of the property “private” in package.json?
...js and express, I am wondering what is the property "private" in ./package.json file used for?
1 Answer
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Pass array to ajax request in $.ajax() [duplicate]
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Just use the JSON.stringify method and pass it through as the "data" parameter for the $.ajax function, like follows:
$.ajax({
type: "POST",
url: "index.php",
dataType: "json",
data: JSON.stringify({ paramName: info }),
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...数据库，有时则是指数据库技术，但无论是哪种含义，都和比特币没有必然的联系。
从数据的角度来看：区块链是一种分布式数据库（或称为分布式共享总账，DistributedShared Ledger），这里的“分布式”不仅体现为数据的分布式...
Convert JSON style properties names to Java CamelCase names with GSON
I'm using GSON to convert JSON data I get to a Java object. It works pretty well in all my tests.
The problem is that our real objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case ...
Python Request Post with param data
...u encoded the URL parameters into the URL already.
Your raw post contains JSON data though. requests can handle JSON encoding for you, and it'll set the correct Content-Header too; all you need to do is pass in the Python object to be encoded as JSON into the json keyword argument.
You could split...
Chrome: Uncaught SyntaxError: Unexpected end of input
...sing ]
But the root cause of the problems seems to be that the requested JSON url has a Content-Type of text/html which Chrome apparently tries to parse as HTML, which then results in the unexpected end of input due to the fact that the included image tags are being parsed.
Try setting the Conten...