大约有 40,000 项符合查询结果（耗时：0.0485秒） [XML]
List all the files that ever existed in a Git repository
Do you have a clean way to list all the files that ever existed in specified branch?
4 Answers
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In PHP, what is a closure and why does it use the “use” identifier?
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ohhhhhhhh, so the Uses is used to pass in extra variables, I thought it was some funny assignment. Thanks!
– SeanDowney
Jul 1 '09 at 20:31
41
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Random color generator
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You can remove .split('') call. String already have Array indexer.
– ujeenator
Jul 27 '15 at 6:08
4
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Subtract two variables in Bash
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You just need a little extra whitespace around the minus sign, and backticks:
COUNT=`expr $FIRSTV - $SECONDV`
Be aware of the exit status:
The exit status is 0 if EXPRESSION is neither null nor 0, 1 if EXPRESSION is null or 0.
Keep this in min...
How to remove empty cells in UITableView? [duplicate]
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But it adds extra spacing above and below table sections.
– Ben Sinclair
Jan 30 '18 at 21:29
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...Deletion of a specific element in a Linked List (Not sorted)
Comparing two strings
Checking for Palindrome
Counting/Bucket Sort
and here too you can find a million more such examples....
O(log n) time
Binary Search
Finding largest/smallest number in a binary search tree
Certain Divide and Conq...
Pros and Cons of Interface constants [closed]
...s wouldn't include any constants or conditionals or magic-numbers or magic-strings or hard-coded anything. However, that adds additional time to the development, as you must consider the uses. My view is that most times it's absolutely worth taking the additional time to build a great solid design...
Gzip versus minify
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You get 14% extra savings. This agrees with Steve Souders's results too. In his book "High Performance Websites", he has a section on gzip vs minification. (Chap10, p74) He goes from 85K (original), 68K (only JSMin), 23K (only gzip), ...
What is JSON and why would I use it?
..."646 555-4567"
]
}
JSON in JavaScript
JSON (in Javascript) is a string!
People often assume all Javascript objects are JSON and that JSON is a Javascript object. This is incorrect.
In Javascript var x = {x:y} is not JSON, this is a Javascript object. The two are not the same thing. The ...
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
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