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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...
$ cd DbConnector
$ git rev-parse HEAD
eb41d764bccf88be77aced643c13a7fa86714135
$ git branch try-merge c771610
(DbConnector) $ git merge try-merge
Auto-merging src/main.c
CONFLICT (content): Merge conflict in src/main.c
Recorded preimage for 'src/main.c'
Automatic merge failed; fix co...
How to remove/delete a large file from commit history in Git repository?
... @tony It's worth repeating the entire cloning & clearing procedure to see if the message asking you to pull re-occurs, but it's almost certainly because your remote server is configured to reject non-fast-forward updates (ie, it's configured to stop you from losing history - which is ...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
I noticed that in Internet Explorer (but, unfortunately, not in the other browsers I tested), you can use some Unicode variable names. This made my day, and I was absolutely delighted that I could write fun Unicode-laden code like this:
...
linux: kill background task
...variable for this in bash:
kill $!
$! expands to the PID of the last process executed in the background.
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Is volatile expensive?
...ethod} 'run2' '()V' in 'Test2'
# [sp+0x10] (sp of caller)
0xb396ce80: mov %eax,-0x3000(%esp)
0xb396ce87: push %ebp
0xb396ce88: sub $0x8,%esp ;*synchronization entry
; - Test2::run2@-1 (line 33)
0xb396ce8e: mov $0xffffffff,%ecx
0xb396...
Searching for UUIDs in text with regex
...ere are five equivalent string representations for a GUID:
"ca761232ed4211cebacd00aa0057b223"
"CA761232-ED42-11CE-BACD-00AA0057B223"
"{CA761232-ED42-11CE-BACD-00AA0057B223}"
"(CA761232-ED42-11CE-BACD-00AA0057B223)"
"{0xCA761232, 0xED42, 0x11CE, {0xBA, 0xCD, 0x00, 0xAA, 0x00, 0x57, 0xB2, 0x2...
How to change the docker image installation directory?
...
With recent versions of Docker, you would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file...
Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...；C：英文CLEAR的缩写，用于清除计算过程中的全部信息；CE：英文CLEAR ENTRY的缩写，用于清除在算符之后输入的所有数字——后数；←（回退）：用于从尾部清除后数中的一个字符；±（相反数）：用于求相反数，如果后数不为0...
Regular expression to match non-ASCII characters?
...ith Unicode:
[^\u0000-\u007F]+
For unicode you can look at this 2 resources:
Code charts list of Unicode ranges
This tool to create a regex filtered by Unicode block.
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