conditional-operator

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Ruby ternary operator without else

Is there a ruby idiom for \"Ifdo-this,\" and \"do-this\" just as a simple command? for example, I\'m currently doing[详细]

2022-12-19 05:48 分类：问答
Can one make an assignment on conditional statement in php?

Can you make an assig开发者_JAVA百科nment on conditional statement in php as so: if(siteName_err = isValid(\"sitename\", $_POST[\'sitename\'], false))[详细]

2022-12-18 20:54 分类：问答
Use of conditional operator to select which object calls a particular method?

I have two collections, and items that are added to one or the other of those collections based on whether some criteria is met.[详细]

2022-12-18 05:19 分类：问答
Java ?: operator in vb.net

Is there a ?: operator equivalent in .net? eg in java I can do: retParts[0] = (emailParts.length > 0) ? emailParts[0] : \"\";[详细]

2022-12-17 11:19 分类：问答
Is there, or is there ever going to be, a conditional operator in Delphi?

I kept my hands off Delphi for too long, I guess; busied myself with Java and PHP a lot over the last couple of years. Now, when I got back to doing a little Delphi job, I realised I really miss the c[详细]

2022-12-17 10:40 分类：问答
What does this syntax ( page = $page ? $page : 'default' ) in PHP mean?

I\'m new to PHP. I came across this syntax in WordPress. What does the last line of开发者_如何学C that code do?[详细]

2022-12-16 19:29 分类：问答
?: operator (the 'Elvis operator') in PHP

I saw this today in some PHP code: $items = $items开发者_StackOverflow ?: $this->_handle->result(\'next\', $this->_result, $this);[详细]

2022-12-15 12:53 分类：问答
if statement on one line if poss

I am printing an image using an ID which is generated.however i wanted to do a check to se开发者_开发知识库e if this image exists and if it doesnt print no-image.jpg instead...[详细]

2022-12-15 07:05 分类：问答
Check if int is between two numbers

Why can\'t do you this if you try to find out whether an int is between to numbers: if(10 < x < 20)[详细]

2022-12-15 02:44 分类：问答
How does the Python conditional operator workaround work?

From what I have read, I found that a built-in ternary operator does not exist (I will be happy to know more about it.).[详细]

2022-12-14 20:00 分类：问答