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How to get client's IP address using JavaScript?
...ecko) Chrome/74.0.3729.169 Safari/537.36 Hypothesis-Via
colo=SJC
http=http/1.1
loc=US
tls=TLSv1.3
sni=plaintext
warp=off
Limitations:
Returns plain text
DB-IP
Try it: http://api.db-ip.com/addrinfo?api_key=<your api key>&addr=<ip address>
Returns:
{
"address": "116.12.250.1",
...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，中断系统此时是不可用的，那么由 ROM BIOS 设置 IVT 。
1.1 中断向量表（IVT）
IDTR.base 被初始化为 0，ROM BIOS 将不会对 IDTR.base 进行更改，因此如果实模式 OS 不更改 IDTR.base 的值，这意味着 IVT 在 0 的位置上，典型的如： DOS 操作...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...e can pick any numbers we like:
# estimates for the mean
red_mean_guess = 1.1
blue_mean_guess = 9
# estimates for the standard deviation
red_std_guess = 2
blue_std_guess = 1.7
These parameter estimates produce bell curves that look like this:
These are bad estimates. Both means (the vertical ...
What are the main disadvantages of Java Server Faces 2.0?
...ou'd intuitively expect. You as developer would run hard away crying.
JSF 1.1 (May 2004)
This was the bugfix release. The performance was still not much improved. There was also one major disadvantage: you can't inline HTML in the JSF page flawlessly. All plain vanilla HTML get rendered before the...
Pretty-print C++ STL containers
...:string> j;
j.insert("hello");
j.insert("world");
double k[] = { 1.1, 2.2, M_PI, -1.0/123.0 };
std::cout << i << "\n" << j << "\n" << k << "\n";
}
It currently only works with vector and set, but can be made to work with most containers, just by exp...
Fastest way to iterate over all the chars in a String
...lls.
THIRD UPDATE: As of 2020-09-07, on my Ryzen 1950-X 16 core and source 1.14, 'charAt1' is 9 times slower than field access and 'charAt2' is 4 times slower than field access. Field access is back as the clear winner. Note than the program will need to use byte[] access for Java 9+ version jvms.
I...
What are Aggregates and PODs and how/why are they special?
...ber.109
To this in C++14:
A class S is a standard-layout class if it:
(3.1) has no non-static data members of type non-standard-layout class (or array of such types) or reference,
(3.2) has no virtual functions and no virtual base classes,
(3.3) has the same access control for all non-static dat...
AI2 Keep Awake
... Version Adjustments 1.0 (2024-10-28) Initial Version 1.1 (2024-11-03) Internal adjustments Notice: The lifespan of the device battery will be significantly reduced by using this extension. Do not set WakeLocks if you do not really need them, use them as rarely as pos...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...RAME和SWP_NOCOPYBITS标志。
速查：Windows NT：3.1以上版本；Windows：95以上版本；Windows CE：1.0以上版本；头文件：winuser.h库文件：eser32lib。
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