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How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...
git reset --hard <tag/branch/commit id>
Notes:
git reset without the --hard option resets the commit history, but not the files. With the --hard option the files in working tree are also reset. (credited user)
If you wi...
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:
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Obtaining a powerset of a set in Java
The powerset of {1, 2, 3} is:
26 Answers
26
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Reading binary file and looping over each byte
In Python, how do I read in a binary file and loop over each byte of that file?
12 Answers
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Are NSLayoutConstraints animatable? [duplicate]
... follow this exact pattern:
self.heightFromTop.constant = 550.0f;
[myView setNeedsUpdateConstraints];
[UIView animateWithDuration:0.25f animations:^{
[myView layoutIfNeeded];
}];
where myView is the view where self.heightFromTop was added to. Your view is "jumping" because the only thing you ...
LINQ order by null column where order is ascending and nulls should be last
I'm trying to sort a list of products by their price.
10 Answers
10
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Block Comments in a Shell Script
Is there a simple way to comment out a block of code in a shell script?
12 Answers
12
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显示列表 · App Inventor 2 中文网
...使用 while 循环
序列化列表的另一种方法是使用迭代器（foreach、while）块将每个项目以及任何分隔符或装饰连续添加到标签。
下面是在标签中显示 BroadcastList 的示例，项目之间用逗号分隔。 这些块位于一个过程中，只要列表被...
What encoding/code page is cmd.exe using?
... gibberish. When you get gibberish,
there’s more going on than just font settings.
When programs use standard C-library I/O functions like printf, the
program’s output encoding must match the console’s output encoding, or
you will get gibberish. chcp shows and sets the current codepage. All
o...
Generating an MD5 checksum of a file
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