大约有 31,000 项符合查询结果（耗时：0.0626秒） [XML]
How do I check if a number evaluates to infinity?
...
@Eli: In my tests Number.POSITIVE_INFINITY and Number.NEGATIVE_INFINITY are read-only (tested on Chrome8, FF3.6 and IE8). Using 1/0 works fine but it won't be so obvious to maintainers of your code what you're actually trying to test ...
Copy constructor versus Clone()
...or an interface, how about having DeepClone(of T)() and DeepClone(of T)(dummy as T), both of which return T? The latter syntax would allow T to be inferred based upon the argument.
– supercat
Jul 27 '10 at 17:50
...
How do I detect the Python version at runtime? [duplicate]
... FYI this works, but the python_version function returns a string (e.g. on my system it prints '3.6.1'). If you're checking the version in an if statement like the OP is, Chris' answer makes much more sense, as you don't have to go through the clunky process of searching the string for the desired i...
Is it better in C++ to pass by value or pass by constant reference?
... the caller can optimize as much as possible - as detailed in that paper:
my::string uppercase(my::string s) { /* change s and return it */ }
However, if you don't need to change the parameter anyway, take it by reference to const:
bool all_uppercase(my::string const& s) {
/* check to s...
How can I use redis with Django?
...che but how exactly does it work? Is it used as a layer between django and my rdbms, by caching the rdbms queries somehow?
...
CSS: bolding some text without changing its container's size
... clean solution, it simply reserves space for bold text in the element. In my case, the additional pseudo-element caused change of height. Adding negative margin-top to the ::after block solved that.
– Vaclav Novotny
May 20 '16 at 9:07
...
C++ lambda with captures as a function pointer
...aying with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
...
Can regular expressions be used to match nested patterns? [duplicate]
...
I am spoiled by my upbringing in Natural Language Processing and the automata theory it included.
– Torsten Marek
Sep 25 '08 at 15:31
...
In which order do CSS stylesheets override?
... understand how CSS displays in terms of specificity, but then I'll assume my master sheet will load unless overridden.
– ian5v
Feb 27 '12 at 1:49
11
...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
...
I inspired myself from @maxisam's answer and created my own sort function and I'd though I'd share it (cuz I'm bored).
Situation
I want to filter through an array of cars. The selected properties to filter are name, year, price and km....