大约有 40,000 项符合查询结果(耗时:0.0483秒) [XML]
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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These are more compact and versatile forms of Hamish's answer. They handle any mixture of upper and lower case letters:
read -r -p "Are you sure? [y/N] " response
case "$response" in
[yY][eE][sS]|[yY])
do_something
;;
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Get file size, image width and height before upload
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@SMC caniuse.com/fileapi only recently supports File API. I'll take a look
– Roko C. Buljan
Mar 6 '13 at 21:23
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Local dependency in package.json
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@danilopopeye Per docs.npmjs.com/cli/install npm install <folder> description says Install the package in the directory as a symlink in the current project.
– Herman J. Radtke III
May 7 '19 at 18:42
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Generate a random point within a circle (uniformly)
...a distance x+y from the origin. If x+y>R we fold back down.
Here's the complete algorithm for R=1. I hope you agree it's pretty simple. It uses trig, but you can give a guarantee on how long it'll take, and how many random() calls it needs, unlike rejection sampling.
t = 2*pi*random()
u = rando...
How to elegantly ignore some return values of a MATLAB function?
... edited May 23 '17 at 11:46
Community♦
111 silver badge
answered Apr 14 '09 at 13:04
Jason SJason S
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Are there benefits of passing by pointer over passing by reference in C++?
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Incomplete answer. Using pointers won't authorize uses of temporary/promoted objects, nor the use of pointed object as stack-like objects. And it will suggest that the argument can be NULL when, most of the time, a NULL value s...
What's wrong with overridable method calls in constructors?
...@Override is invoked, the state of the object may be inconsistent and/or incomplete.
A quote from Effective Java 2nd Edition, Item 17: Design and document for inheritance, or else prohibit it:
There are a few more restrictions that a class must obey to allow inheritance. Constructors must not i...
Determine function name from within that function (without using traceback)
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Combining @CamHart's approach with @Yuval's avoids "hidden" and potentially deprecated methods in @RoshOxymoron's answer as well as numerical indexing into the stack for @neuro/@AndreasJung's answer: print(inspect.currentfram...
How to create a .gitignore file
...n my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
41 Answers
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Regex lookahead, lookbehind and atomic groups
...nds the 2nd bar ("bar" which does not have "foo" before it)
You can also combine them:
(?<=foo)bar(?=bar) finds the 1st bar ("bar" with "foo" before it and "bar" after it)
Definitions
Look ahead positive (?=)
Find expression A where expression B follows:
A(?=B)
Look ahead negative (?...
