大约有 40,700 项符合查询结果(耗时:0.0457秒) [XML]
Disabling browser print options (headers, footers, margins) from page?
I have seen this question asked in a couple of different ways on SO and several other websites, but most of them are either too specific or out-of-date. I'm hoping someone can provide a definitive answer here without pandering to speculation.
...
What is the difference between a HashMap and a TreeMap? [duplicate]
...
TreeMap is an example of a SortedMap, which means that the order of the keys can be sorted, and when iterating over the keys, you can expect that they will be in order.
HashMap on the other hand, makes no such guarantee. Therefore,...
What breaking changes are introduced in C++11?
...y, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been valid in the first place, but it's still a breaking change nonetheless: programs that used to be valid no longer are.
...
Checking whether something is iterable
...
The proper way to check for iterability is as follows:
function isIterable(obj) {
// checks for null and undefined
if (obj == null) {
return false;
}
return typeof obj[Symbol.iterator] === 'function';
}
Why this works (iterable protocol in depth): ht...
When should I write the keyword 'inline' for a function/method?
...
Oh man, one of my pet peeves.
inline is more like static or extern than a directive telling the compiler to inline your functions. extern, static, inline are linkage directives, used almost exclusively by the linker, not the compiler.
It is said that inline hi...
Are Databases and Functional Programming at odds?
... these concepts to my professional work. For me, the primary reason for this is I see a conflict between between FP's goal of remaining stateless seems quite at odds with that fact that most web development work I've done has been heavily tied to databases, which are very data-centric.
...
FileSystemWatcher Changed event is raised twice
...he event. I am using the NotifyFilters.LastWriteTime but still the event is getting fired twice. Here is the code.
40 Ans...
When is a C++ destructor called?
...a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
...
What's the difference between an argument and a parameter?
...way the other people know what I mean, but what's correct, and what's the history of the terms?
34 Answers
...
How do I test a private function or a class that has private methods, fields or inner classes?
...has internal private methods, fields or nested classes? Or a function that is made private by having internal linkage ( static in C/C++) or is in a private ( anonymous ) namespace?
...
