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Copy/duplicate database without using mysqldump
...e the target database using MySQLAdmin or your preferred method. In this example, db2 is the target database, where the source database db1 will be copied.
Execute the following statement on a command line:
mysqldump -h [server] -u [user] -p[password] db1 | mysql -h [server] -u [user] -p[password...
Comparing two NumPy arrays for equality, element-wise
...rt numpy as np H = 1/np.sqrt(2)*np.array([[1, 1], [1, -1]]) #hadamard matrix np.array_equal(H.dot(H.T.conj()), np.eye(len(H))) # checking if H is an unitary matrix or not H is an unitary matrix, so H x H.T.conj is an identity matrix. But np.array_equal returns False
– Dex
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How to convert a PIL Image into a numpy array?
...PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
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Create a tar.xz in one command
I am trying to create a .tar.xz compressed archive in one command. What is the specific syntax for that?
5 Answers
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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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Android get color as string value
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This is not working any more, error 'Expected resource of type String'
– Clive Jefferies
Mar 5 '15 at 15:29
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Using unset vs. setting a variable to empty
...ides returning a return code, set some meaningful message saying what was expected.
4 Answers
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What is the equivalent of the C# 'var' keyword in Java?
...yword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
15 Answers
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...most cases you should also set up individual user accounts before working extensively with the DB as well.
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How do I check for null values in JavaScript?
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Javascript is very flexible with regards to checking for "null" values. I'm guessing you're actually looking for empty strings, in which case this simpler code will work:
if(!pass || !cpass || !email || !cemail || !user){
Which will check for ...