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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?

...hese are the same b = new Array(), // a and b are arrays with length 0 c = ['foo', 'bar'], // these are the same d = new Array('foo', 'bar'), // c and d are arrays with 2 strings // these are different: e = [3] // e.length == 1, e[0] == 3 f = new Ar...
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JavaScript checking for null vs. undefined and difference between == and ===

... +50 How do I check a variable if it's null or undefined... Is the variable null: if (a === null) // or if (a == null) // but see not...
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

...icking.org/illusive-setdefaultencoding.html http://nedbatchelder.com/blog/200401/printing_unicode_from_python.html http://www.diveintopython3.net/strings.html#one-ring-to-rule-them-all http://boodebr.org/main/python/all-about-python-and-unicode http://blog.notdot.net/2010/07/Getting-unicode-right-in...
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How do you use the Immediate Window in Visual Studio?

... 130 One nice feature of the Immediate Window in Visual Studio is its ability to evaluate the return ...
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What is the effect of encoding an image in base64?

... answered Jul 9 '12 at 20:13 BlenderBlender 245k4343 gold badges378378 silver badges444444 bronze badges ...
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How do I escape reserved words used as column names? MySQL/Create Table

... | edited Dec 9 '17 at 16:03 answered May 22 '10 at 21:47 M...
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Understanding repr( ) function in Python

...48 Vlad 7031313 silver badges3030 bronze badges answered Oct 16 '11 at 12:17 user395760user395760 ...
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How to 'bulk update' with Django?

... 260 Update: Django 2.2 version now has a bulk_update. Old answer: Refer to the following django d...
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How do you commit code as a different user?

... answered Sep 12 '10 at 22:59 Tim HeniganTim Henigan 52.8k1111 gold badges7979 silver badges7474 bronze badges ...
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Android Task Affinity Explanation

... 160 What is Android Task Affinity used for? An android application has Activities that form a stack...