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Is it safe to check a pointer to not being NULL by writing simply if(pointer) or do I have to use if(pointer != NULL)? 14 Answers 14
I have read the links below, but it doesn’t address my question. Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line)...
Specifically, if I have a series of if…else if statements, and I somehow know beforehand the relative probability that each statement will evaluate to true, how much difference in...
I’m trying to write a script that will check two error flags, and in case one flag (or both) are changed it’ll echo– error happened. My script: my_error_flag=0 my_error_flag_o=0...
I am trying to implement an if -else statement in XSLT but my code just doesn’t parse. Does anyone have any ideas? <xsl:variable name="CreatedDate" select="@createDate"/> <xsl:variable name="IDAppendedDate" select="2012-01-01" />...
What is the difference between these two lines of code: if not x == 'val': and if x != 'val': Is one more efficient than the other? Would it...
I was wondering if there is a way in angular to conditionally display content other than using ng-show etc. For example in backbone.js I could do something with inline...
I’m reading bash examples about if but some examples are written with single square brackets: if [ -f $param ] then #... fi others with double square brackets: if...
I am using the function ifelse() to manipulate a date vector. I expected the result to be of class Date, and was surprised to get a numeric vector instead....
Is it possible to use the range operator ... and ..< with if statement. Maye something like this: let statusCode = 204 if statusCode in 200 ..< 299 {...