大约有 40,000 项符合查询结果（耗时：0.0672秒） [XML]
Add a property to a JavaScript object using a variable as the name?
...must use the actual property name explicitly. No substitution, variables, etc.
Bracket notation is open ended. It uses a string but you can produce the string using any legal js code. You may specify the string as literal (though in this case dot notation would read easier) or use a variable ...
Generating random numbers in Objective-C
...es from 0.0 to 0.5 to 0, but values from 0.5 to 1.5 will be converted to 1 etc. So the numbers 0 and 47 will come up only half as often as all the other numbers.
– gnasher729
Feb 28 '14 at 23:42
...
Equivalent to 'app.config' for a library (DLL)
...d probably be passed as method arguments in constructors, factory methods, etc. by whoever is calling your library. This prevents calling applications from accidentally reusing configuration entries that were expected by the class library.
That said, XML configuration files are extremely handy, so ...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...hat your lock isn't automatically released on kill -9, reboot, power loss, etc.
– Charles Duffy
May 26 '17 at 14:50
...
How could I use requests in asyncio?
...ove example). That way you don't have to deal with shared memory, locking, etc., and the complex parts of your program are still single threaded thanks to asyncio.
– christian
Mar 27 '14 at 13:17
...
What does -D_XOPEN_SOURCE do/mean?
...with the downside that it might not compile on Solaris, FreeBSD, Mac OS X, etc.
It's a good idea to check each man page before doing a #include, #define, or using a new function, because sometimes their behavior changes depending on what options and #defines you have, for example with basename(3).
...
Can I target all tags with a single selector?
...
The jQuery selector for all h tags (h1, h2 etc) is " :header ". For example, if you wanted to make all h tags red in color with jQuery, use:
$(':header').css("color","red")
share
...
Does Python optimize tail recursion?
... functions, working in an interactive session rather than editing my code, etc.).
Optimizing tail-recursion in Python is in fact quite easy. While it is said to be impossible
or very tricky, I think it can be achieved with elegant, short and general solutions; I even
think that most of these soluti...
Constants in Objective-C
...nst MyFirstConstant;
FOUNDATION_EXPORT NSString *const MySecondConstant;
//etc.
(you can use extern instead of FOUNDATION_EXPORT if your code will not be used in mixed C/C++ environments or on other platforms)
You can include this file in each file that uses the constants or in the pre-compiled h...
Get user info via Google API
...It has loads of stuff - including name, public profile url, gender, photo etc.
share
|
improve this answer
|
follow
|
...