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MySQL: determine which database is selected?
...BASE();
That said, it is perhaps important to note, that while FROM DUAL does not actually do anything, it is valid MySQL syntax. From a strict perspective, including braces in a single line conditional in JavaScript also does not do anything, but it is still a valid practice.
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What is Haskell used for in the real world? [closed]
...t is easier to write search programs such as this sudoku solver because it doesn't load every combination at once—it just generates them as it goes along. You can do this in other languages, but only Haskell does this by default.
You can check out following links:
https://c2.com/cgi/wiki?Adva...
What's the _ underscore representative of in Swift References?
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so basically, it does this for no reason and just confuses everybody. awesome.
– botbot
Dec 4 '14 at 9:02
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...nventor has around 3 million users representing 195 countries. However, it does not support the functionality to allow programmers to detect multi-touch events. In this paper, we illustrate the implementation of two extension components. The first component detects the two-finger rotation, and the s...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...nventor has around 3 million users representing 195 countries. However, it does not support the functionality to allow programmers to detect multi-touch events. In this paper, we illustrate the implementation of two extension components. The first component detects the two-finger rotation, and the s...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...nventor has around 3 million users representing 195 countries. However, it does not support the functionality to allow programmers to detect multi-touch events. In this paper, we illustrate the implementation of two extension components. The first component detects the two-finger rotation, and the s...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...nventor has around 3 million users representing 195 countries. However, it does not support the functionality to allow programmers to detect multi-touch events. In this paper, we illustrate the implementation of two extension components. The first component detects the two-finger rotation, and the s...
Python - Create a list with initial capacity
... What if the preallocation method (size*[None]) itself is inefficient? Does the python VM actually allocate the list at once, or grow it gradually, just like the append() would?
– haridsv
Nov 15 '09 at 3:01
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How to grab substring before a specified character jQuery or JavaScript
...ile it's not the best place for definitive information on what each method does (mozilla developer network is better for that) w3schools.com is good for introducing you to syntax.
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PHP global in functions
...pushing in (arguments). When you push in/inject dependencies, the function does not rely on the outside anymore. When you do fn(1) you dont have to have a variable holding 1 somewhere outside. But when you pull in global $one inside the function, you couple to the global scope and expect it to have ...