...-empty string value, any object or array reference, etc... On the other hand: if (booleanValue === true) This will only satisfy the if condition if booleanValue is exactly equal to true. No other truthy value will satisfy it. On the other hand if you do this: if (someVar == true) Then, wha...

...defined"); #elif (DEBUG && VC_V7) Console.WriteLine("DEBUG and VC_V7 are defined"); #else Console.WriteLine("DEBUG and VC_V7 are not defined"); #endif } } Only useful for excluding parts of methods. If you use #if to exclude some method from compilation then you will h...

I'm defining my Django models right now and I realized that there wasn't a OneToManyField in the model field types. I'm sure there's a way to do this, so I'm not sure what I'm missing. I essentially have something like this: ...

... You are searching for a multimap, and indeed both commons-collections and Guava have several implementations for that. Multimaps allow for multiple keys by maintaining a collection of values per key, i.e. you can put a single object into the map, but you retr...

... No. Order is not guaranteed in JSON and most other key-value data structures, so therefore the last item could sometimes be carrot and at other times be banana and so on. If you need to rely on ordering, your best bet is to go with arrays. The power of key-val...

...not get executed, it doesn't even get compiled. #if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary. It's often used for temporarily removing segments of code with the intention of turning them bac...

...bars of the iFrame, the parent is made overflow: hidden to hide scrollbars and the iFrame is made to go upto 150% width and height which forces the scroll-bars outside the page and since the body doesn't have scroll-bars one may not expect the iframe to be exceeding the bounds of the page. This hide...

I have an angular foreach loop and i want to break from loop if i match a value. The following code does not work. 21 Answe...

...rtaain cases you don't want it to be a part of the visual experience then handle it at the cosmetic layer. Bear in mind that some agents attempt to parse CSS and if they determine that something wouldn't be SEEN then they don't output it at all. I think this is aberrant behavior but it can help to k...

... (bytecode instruction tableswitch). However, once the JIT starts its job and compiles the bytecode into assembly, the tableswitch instruction does not always result in an array of pointers: sometimes the switch table is transformed into what looks like a lookupswitch (similar to an if/else if stru...