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创业公司倒闭大潮 教你正确烧钱速度？ - 资讯 - 清泛网 - 专注C/C++及内核技术
创业公司倒闭大潮 教你正确烧钱速度？时刻关注企业自身变化和市场环境，理性分析“烧钱”速度，有进有退，及时调整资金策略，你才有可能在创业公司倒闭的大潮中取得难得的胜利。什么是一家创业公司的正确烧钱速度？...
What is the difference between children and childNodes in JavaScript?
... Yeah, IE seems to have some problems: quirksmode.org/dom/w3c_core.html#t71
– Felix Kling
Oct 28 '11 at 23:12
4
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Git Bash is extremely slow on Windows 7 x64
...by running three commands to set some config options:
git config --global core.preloadindex true
git config --global core.fscache true
git config --global gc.auto 256
Notes:
core.preloadindex does filesystem operations in parallel to hide latency (update: enabled by default in Git 2.1)
core.fsc...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
... $viewValue is not always a string. It is a string for the current Angular core directives, but it may be a primitive or an Object in your custom controls. A good example, is the <input file="type"> component, where viewValue contains FileList object with files attached by the user. The Angula...
Add floating point value to android resources/values
... value programmatically you can use ResourcesCompat.getFloat from androidx.core
Gradle dependency:
implementation("androidx.core:core:${version}")
Usage:
import androidx.core.content.res.ResourcesCompat;
...
float value = ResourcesCompat.getFloat(context.getResources(), R.dimen.my_dimen);
...
EF LINQ include multiple and nested entities
...
In Entity Framework Core (EF.core) you can use .ThenInclude for including next levels.
var blogs = context.Blogs
.Include(blog => blog.Posts)
.ThenInclude(post => post.Author)
.ToList();
More information: https://docs.mi...
BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...个8051内核的RF收发器，可编程闪存，8KB RAM和其他功能强大的配套特征及外设。CC2540有两种版本：CC2540F128 / F256，分别为128和256 KB的闪存，结合TI的低功耗蓝牙协议栈，CC2540F128 / F256形成了市场上最灵活，性价比也最高的单模式蓝...
Parallelize Bash script with maximum number of processes
... also supports running jobs on remote computers. This will run one per CPU core on the remote computers - even if they have different number of cores:
some-command | parallel -S server1,server2 do-something
A more advanced example: Here we list of files that we want my_script to run on. Files hav...
Migrating from JSF 1.2 to JSF 2.0
...Encoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html>
<f:view>
<html lang="en">
<head>
<title>JSP page</title>
</head...
程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...出原文
原文的非常细小的改动，都会引起Hash结果的非常大的变化
因此，这个比较适合用来保存用户密码，因为不能反推出用户密码，Hash结果一致就证明原文一致，我们来用Ruby代码试一下上面的第二点 （MD5是一种常用的Hash...