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What is the string concatenation operator in Oracle?
... edited Mar 3 '14 at 10:07
Vidar S. Ramdal
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answered Nov 10 '08 at 15:45
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What are the differences between a pointer variable and a reference variable in C++?
... no compiling error, especially if the nullptr is hidden behind a function call, yet it refers to a non-existent int at address 0
Pointers can iterate over an array; you can use ++ to go to the next item that a pointer is pointing to, and + 4 to go to the 5th element. This is no matter what size t...
Get Enum from Description attribute [duplicate]
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value.ToString() is expensive, do not call it twice (.. if it matters)...
– nawfal
Jun 11 '13 at 1:26
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Why does appending “” to a String save memory?
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Technically it's an implementation detail. But it's frustrating nonetheless, and catches out a lot of people.
– Brian Agnew
Jan 27 '10 at 15:30
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Remove NA values from a vector
...(and offer different options). So if NA's cause you problems in a function call, it's worth checking for a built-in solution among the function's arguments. I've found there's usually one already there.
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How to programmatically set maxLength in Android TextView?
... this will reset your previous filters, no ?
– crgarridos
Oct 11 '17 at 9:46
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With Kotlin you c...
微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术
...更新状态的字数限制,本身是160字母的限制,再留20字给id长度,剩余140字母留给用户发挥。
此外,YAHOO!的meme(2,000字)和Google的Buzz(没有限制)等对字数都没有短而精的要求,在这个层面上,算不上微博,只能算轻量级博客...
Should I use encodeURI or encodeURIComponent for encoding URLs?
...g a string to put in a URL component (a querystring parameter), you should call encodeURIComponent.
If you're encoding an existing URL, call encodeURI.
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What is the use of ByteBuffer in Java? [closed]
...7.html If you're wondering about a raw website, there might be, but typically it's only going to be used by websites indirectly - by using tools like cassandra
– kelloti
Jan 30 '11 at 5:48
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Why is [1,2] + [3,4] = “1,23,4” in JavaScript?
...hough typeof somewhat confusingly returns object for Null and function for callable Objects, Null is actually not an Object and strictly speaking, in specification-conforming Javascript implementations all functions are considered to be Objects.
That's right - Javascript has no primitive arrays as s...
