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Create new user in MySQL and give it full access to one database

...r'@'hostname'; Try this to give it access to the database dbTest: GRANT ALL PRIVILEGES ON dbTest.* To 'user'@'hostname' IDENTIFIED BY 'password'; If you are running the code/site accessing MySQL on the same machine, hostname would be localhost. Now, the break down. GRANT - This is the command...
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”

...ON DUPLICATE KEY UPDATE. If you use INSERT IGNORE, then the row won't actually be inserted if it results in a duplicate key. But the statement won't generate an error. It generates a warning instead. These cases include: Inserting a duplicate key in columns with PRIMARY KEY or UNIQUE constrain...
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Uniq by object attribute in Ruby

... Do it on the database level: YourModel.find(:all, :group => "status") share | improve this answer | follow | ...
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UNIX export command [closed]

... Unix The commands env, set, and printenv display all environment variables and their values. env and set are also used to set environment variables and are often incorporated directly into the shell. printenv can also be used to print a single variable by giving that variab...
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Ruby regular expression using variable name

...aracters. If it does and you want those matacharacters to do what they usually do in a regular expression, then the same gsub will work: var = "Value|a|test" str = "a test Value" str.gsub( /#{var}/, 'foo' ) # => "foo foo foo" However, if your search string contains metacharacters and you do n...
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Turn a string into a valid filename?

I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python. ...
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Clone() vs Copy constructor- which is recommended in java [duplicate]

...rclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all properties in F...
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Stash only one file out of multiple files that have changed with Git?

...ot stash this hunk or any of the remaining ones a - stash this hunk and all later hunks in the file d - do not stash this hunk or any of the later hunks in the file g - select a hunk to go to / - search for a hunk matching the given regex j - leave this hunk undecided, see next undeci...
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List comprehension vs map

...ing map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other? ...
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SPAN vs DIV (inline-block)

...turn and have default margin. Note that inline-block is not supported in all browsers. For instance in Firefox 2 and less you must use: display: -moz-inline-stack; which displays slightly different than an inline block element in FF3. There is a great article here on creating cross browser inl...