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Rename MySQL database [duplicate]

...atabase with the database name you wanted. The short, quick steps without all the above explanation are: mysqldump -u root -p original_database > original_database.sql mysql -u root -p -e "create database my_new_database" mysql -u root -p my_new_database < original_database.sql mysql -u roo...
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Do I set properties to nil in dealloc when using ARC?

... Short answer: no, you do not have to nil out properties in dealloc under ARC. Long answer: You should never nil out properties in dealloc, even in manual memory management. In MRR, you should release your ivars. Nilling out properties means calling setters, which may invoke code that...
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What is the _references.js used for?

... In VS 11, Visual Studio will give you intellisense from all files that have references in the “_references.js” file. For More Info share | improve this answer | ...
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Double Iteration in List Comprehension

...f_words I like to think of list comprehension as stretching code horizontally. Try breaking it up into: # List Comprehension [word for sentence in text for word in sentence] Example: >>> text = (("Hi", "Steve!"), ("What's", "up?")) >>> [word for sentence in text for word in...
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Random String Generator Returning Same String [duplicate]

...om instance in the method, which causes it to return the same values when called in quick succession. I would do something like this: private static Random random = new Random((int)DateTime.Now.Ticks);//thanks to McAden private string RandomString(int size) { StringBuilder builder = new...
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Remove array element based on object property

...he index of the specific element and then splice using it. myArray.splice(_.findIndex(myArray, function(item) { return item.value === 'money'; }), 1); Update You can also use ES6's findIndex() The findIndex() method returns the index of the first element in the array that satisfies the p...
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Combine two data frames by rows (rbind) when they have different sets of columns

... @MERose Hadley: "Yes, all dplyr methods ignore rownames." – zx8754 Dec 7 '17 at 9:11 ...
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What is the pythonic way to detect the last element in a 'for' loop?

...r the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one. ...
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Adding a Google Plus (one or share) link to an email newsletter

...ription goes here}"> <meta itemprop="image" content="{http://www.your_url.com/your_image.png}"> Step3. Add the following link to your newsletter or anywhere you want: <a href="https://plusone.google.com/_/+1/confirm?hl=en&url=http://www.your_url.com">Share it</a> Tip. T...
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Correct format specifier to print pointer or address?

... standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8: p The argument shall be a pointer to void. The value of the pointer is converted to a sequence of printing characters, in an implementation-defined manner. (In C11 — ISO/IEC 9899:2011 — the information is in §7.21.6.1 ¶8.) On som...