is there anything like \"if not\" conditions in R? easy Example (not working): fun <- function(x) { if (!x > 0) {print开发者_StackOverflow (\"not bigger than zero\")}
This question already has answers here: ' ... != null' or 'null != ....' best performance?
For some reason, this if statement is giving me an \"Expected : before ] token. if ([ [mine commodity] isEqualToString:@\"Gold\"] && [gold == YES])
One of the ideas of Python\'s design philosophy is \"There should be one ... obvious way to do it.\" (PEP 20), but that can\'t always be true. I\'m specifically referring to (simple) if statements ver
In my VBA code, I query a SQL table. I want to add an if/then statement so if one radio button is selected it pulls a certain value, and if the other radio button is selected, it pulls a different val
I\'ve got an index.php 开发者_运维知识库page, and a lot of includes on it. How can I make an if statement from the first include continue to the last include, without getting an Parse error: syntax er
With methods test1() and test2(), I get a Type Mismatch Error: Cannot convert from null to int, which is correct; but why am I not getting the same in method test3()?How does Java evaluate the conditi
if (fil开发者_如何学Pythone_exists($cachefile) && (time() - $cachetime < filemtime($cachefile)) && $_SERVER[\'REQUEST_URI\'] != \"login\" || \"thankyou\" || \"confirm\")
Can someone please explain what really 开发者_运维技巧goes on in this code ? If I put the AND statement, the message wont show ifvalues are less than 0 or greater than 10 ... I think I must use 1 0 lo
How can I write an if statement which tells the progra开发者_C百科m if the pointer is assigned or not?