Error: ..\\Record.cpp: In function `std::ostream& operator<<(std::ostream&, Record&)\':
Is there any difference between MySQL IF (myText IS NOT NULL) THEN and IF (my开发者_运维知识库Text != \'\') THEN
I saw this on a screencast and 开发者_运维百科couldn\'t figure out what it was. Reference sheets just pile it in with other operators as a general pattern match operator. It matches string to a regula
This question already has answers here: Closed 12 years ago. Possible Duplicate: what is the difference between (.) dot operator and (->) arrow in c++
I have a class with a few numeric fields such as: class Class1 { int a; int b; int c; public: // constructor and so on...
b=10; while(a=b) { b--; if(b==-10)break; } B goes from 10 to -10. In my world, the while-statement, a=b, should always be true (since the assigment always \"goes well\"). That is no开发者_如何学Ct t
I have seen this in a开发者_C百科 few places, and to confirm I wasn\'t crazy, I looked for other examples. Apparently this can come in other flavors as well, eg operator+ <>.
if (fil开发者_如何学Pythone_exists($cachefile) && (time() - $cachetime < filemtime($cachefile)) && $_SERVER[\'REQUEST_URI\'] != \"login\" || \"thankyou\" || \"confirm\")
Usual method of applying mathematics to variables is a * b Is it able to calculate and manipulate two operands like this?
if(0 =开发者_开发百科= (\'Pictures\')) { echo \'true\'; } why it\'s giving me \'true\' ?Your string will be evaluated as an Integer, so becomes 0, use this : 0 === \'Pictures\' that verifies identit
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