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How to compare binary files to check if they are the same?
...
The standard unix diff will show if the files are the same or not:
[me@host ~]$ diff 1.bin 2.bin
Binary files 1.bin and 2.bin differ
If there is no output from the command, it means that the files have no differences.
s...
What is the difference between a process and a thread?
...threads efficient).
Erlang uses the term "process" because it does not expose a shared-memory multiprogramming model. Calling them "threads" would imply that they have shared memory.
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Inspect hovered element in Chrome?
...-script-execution which helped me:
In the console:, Run:
const F12 = 123
window.addEventListener('keydown', function(event) {
if (event.keyCode === F12 ) {
debugger;
}
});
Highlight element with inspector
Hit F12
You can now inspect the element, with JavaScri...
How to add leading zeros for for-loop in shell? [duplicate]
...r i in {01..05}; do echo "$i"; done
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Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ echo "${foo}"
05
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MQTT报文多个数据的提取 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...教程做一遍，跑通了再考虑json数据的解析：https://www.fun123.cn/reference/iot/MQTTGuide.html还是不行，能不能结合我的画面和代码给我做一条数据的示例，非常感激了dou454 发表于 2026-03-08 21:59
还是不行，能不能结合我的画面和代码给我...
Cookie overflow in rails application?
... :mem_cache_store, 'localhost', '127.0.0.1:11211',
{:namespace => 'myapp123'}
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
I tried to restart my Apache server on CentOS 5.0 and got this message:
11 Answers
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PHP file_get_contents() and setting request headers
With PHP, is it possible to send HTTP headers with file_get_contents() ?
7 Answers
7...
mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
...47, 112, 219) // 中紫色
#define CLR_MEDIUMSLATEBLUE RGB(123, 104, 238) // 中板岩蓝
#define CLR_SLATEBLUE RGB(106, 90, 205) // 板岩蓝
#define CLR_DARKSLATEBLUE RGB( 72, 61, 139) // 暗板岩蓝
#define CLR_LAVENDER ...
Import a file from a subdirectory?
... this is hacky and even dirty, and in my opinion the language shouldn't impose its way of loading files across the filesystem. In PHP we solved the problem by letting the userland code register multiple autoloading functions that are called when a namespace/class is missing. Then the community has p...