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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

... have MySQL, Python, and GCC installed on the mac. Step 1: Download the latest MySQL for Python adapter from SourceForge. Step 2: Extract your downloaded package: tar xzvf MySQL-python-1.2.2.tar.gz Step 3: Inside the folder, clean the package: sudo python setup.py clean COUPLE OF EXTRA STEPS...
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How can I add “href” attribute to a link dynamically using JavaScript?

... First, try changing <a>Link</a> to <span id=test><a>Link</a></span>. Then, add something like this in the javascript function that you're calling: var abc = 'somelink'; document.getElementById('test').innerHTML = '<a href="' + abc + '">Link...
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

... by Peter Gulutzan and Trudy Pelzer, of the six or eight RDBMS brands they tested, there was no difference in optimization or performance of SQL-89 versus SQL-92 style joins. One can assume that most RDBMS engines transform the syntax into an internal representation before optimizing or executing t...
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What Are the Differences Between PSR-0 and PSR-4?

...gs; | +-- Road | | +-- Car.php - namespace Vehicle\Road; +-- tests +-- test.php +-- vendor Difference between psr-0 and psr-4 psr-0 It is deprecated. Looking at vendor/composer/autoload_namespaces.php file you can see the namespaces and the directories that they are mapped to. ...
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Is there a Java equivalent to C#'s 'yield' keyword?

...our own generators this way: import java.util.stream.Stream; public class Test01 { private static void myFoo(int someVar){ //do some work System.out.println(someVar); } private static void myFoo2(){ //do some work System.out.println("some work"); } ...
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Logger slf4j advantages of formatting with {} instead of string concatenation

...out knowing if it is needed or not (the traditional "is debugging enabled" test known from log4j), and should be avoided if possible, as the {} allows delaying the toString() call and string construction to after it has been decided if the event needs capturing or not. By having the logger format a ...
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Why does this Java code compile?

...ferent. So this answer will tackle the rules in two parts. We'll use this test program throughout: public class test { int a = a = 1; int b = b + 1; public static void Main(String[] args) { int c = c = 1; int d = d + 1; } } The declaration of b is invalid and fail...
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How to properly URL encode a string in PHP?

...'url'] = $mailToUri; because output encoding is handled by json_encode(). Test case Run the code on a PHP test site (is there a canonical one I should mention here?) Click the link Send the email Get the email Click that link You should see: "args": { "token": "w%a&!e#\"^2(^@azW" }, A...
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what is the difference between ?:, ?! and ?= in regex?

...etween lookahead and non-capturing groups it is all about if you want just test the existence or test and save the match. Capturing group are expensive so use it judiciously. share | improve this an...
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Efficient evaluation of a function at every cell of a NumPy array

Given a NumPy array A , what is the fastest/most efficient way to apply the same function, f , to every cell? 6 Ans...