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Sql Server: CASE Statement does unexpected behavior when comparing to NULL
Given: The following Select statement: select开发者_Python百科 case NULL when NULL then 0 else 1 end[详细]
2023-03-31 21:12 分类：问答Nils and method chaining
I\'m just breaking into the ruby world and I could use a helping hand. Suppose b is nil. I\'d like the following code to return nil instead of a \"NoMethodError: undefined method\"[详细]
2023-03-31 19:18 分类：问答WHEN you run self=[super init] and it returns nil, what is the correct response?
I run this code in the instance of may class: -(id)init { self = [super init]; if (self) { // my init code here[详细]
2023-03-31 14:59 分类：问答Javascript / jQuery + length = problem
A small version of my script would be this: var x = null; for(var i=0; i<x.length; i++) { //do stuff } I noticed (by doing some \'alert\' debugs) that my script halts when evaluating x.length. E[详细]
2023-03-31 12:38 分类：问答How is this better than the Null Coalesce operator?
I ran into this blog post today. I\'ll summarize. The blogger is commenting on this code and saying it was ugly.[详细]
2023-03-31 11:39 分类：问答Is NULL defined as nullptr in C++11?
Will C++11 implementa开发者_如何学JAVAtions define NULLas nullptr? Would this be prescribed by the new C++ standard?From the horse\'s mouth[详细]
2023-03-31 10:30 分类：问答XML, what is this: null or empty element?
Regarding to my other question: XML deserialize null elements? I\'ve got elements like these from a third-party server for API testing:[详细]
2023-03-31 10:19 分类：问答Lua: attempt to index field '?' (a nil value)
I am just starting with lua, and i have some code, from someone with some intentionally mistakes in it. Now i\'ve hit a roadblock getting this error on and on for the following code:[详细]
2023-03-31 02:39 分类：问答passing pointer to change its value but stay still
passing pointer to change its value but stay still I am working on C++ with allegro library. there is draw_tiles function.[详细]
2023-03-30 23:28 分类：问答Dropdownlist returns null with partial page post back [duplicate]
This question already has answers here: JQuery BlockUI with UpdatePanel Viewstate Issue (4 answers) Closed 2 years ago.[详细]
2023-03-30 20:23 分类：问答
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