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How do I decode a string with escaped unicode?
I'm not sure what this is called so I'm having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string r...
The input is not a valid Base-64 string as it contains a non-base 64 character
I have a REST service that reads a file and sends it to another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters ...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
I'm new to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like
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Insert all values of a table into another table in SQL
I am trying to insert all values of one table into another. But the insert statement accepts values, but i would like it to accept a select * from the initial_Table. Is this possible?
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Finding the mode of a list
Given a list of items, recall that the mode of the list is the item that occurs most often.
24 Answers
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How to check if a stored procedure exists before creating it
I have a SQL script that has to be run every time a client executes the "database management" functionality. The script includes creating stored procedures on the client database. Some of these clients might already have the stored procedure upon running the script, and some may not. I need to have...
How to undo a git pull?
I would like to undo my git pull on account of unwanted commits on the remote origin, but I don't know to which revision I have to reset back to.
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Ruby on Rails: Where to define global constants?
I'm just getting started with my first Ruby on Rails webapp. I've got a bunch of different models, views, controllers, and so on.
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Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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Using usort in php with a class private function
ok using usort with a function is not so complicated
5 Answers
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