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MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...集。
例2.3
sets:
product/A B/;
machine/M N/;
week/1..2/;
allowed(product,machine,week):x;
endsets
LINGO生成了三个父集的所有组合共八组作为allowed集的成员。列表如下：
编号 成员
1 (A,M,1)
2 2 (A,M,2...
How to only get file name with Linux 'find'?
I'm using find to all files in directory, so I get a list of paths. However, I need only file names. i.e. I get ./dir1/dir2/file.txt and I want to get file.txt
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Hidden features of Scala
What are the hidden features of Scala that every Scala developer should be aware of?
28 Answers
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What's the absurd function in Data.Void useful for?
The absurd function in Data.Void has the following signature, where Void is the logically uninhabited type exported by that package:
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Continuously read from STDOUT of external process in Ruby
...iven by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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How to convert a std::string to const char* or char*?
... Notice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this.
boost::scoped_array
boost::scoped_array will delete the memory for you upo...
Remove duplicate elements from array in Ruby
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array = array.uniq
uniq removes all duplicate elements and retains all unique elements in the array.
This is one of many beauties of the Ruby language.
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How to round a number to significant figures in Python
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round_sig = lambda f,p: float(('%.' + str(p) + 'e') % f) allows you to adjust the number of significant digits!
– denizb
Aug 6 '17 at 22:43
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