大约有 45,000 项符合查询结果(耗时:0.0317秒) [XML]

https://stackoverflow.com/ques... 

Generating random whole numbers in JavaScript in a specific range?

... have an interval like this: [0 .................................... 1) Now, we'd like a number between min (inclusive) and max (exclusive): [0 .................................... 1) [min .................................. max) We can use the Math.random to get the correspondent in the [min, ...
https://stackoverflow.com/ques... 

Where is shared_ptr?

I am so frustrated right now after several hours trying to find where shared_ptr is located. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all b...
https://stackoverflow.com/ques... 

How do I declare an array of weak references in Swift?

...lt;T>(&object) can change randomly (same with withUnsafePointer). I now use a version backed by a NSHashTable: gist.github.com/simonseyer/cf73e733355501405982042f760d2a7d. – simonseyer Feb 27 '18 at 15:42 ...
https://stackoverflow.com/ques... 

Where to find extensions installed folder for Google Chrome on Mac?

... making Launcher not function. Removed alias and set a soft link....works now. – Mark Aug 20 '15 at 20:13 add a comment  |  ...
https://stackoverflow.com/ques... 

How to Free Inode Usage?

...ding the files open. If you do that and you still have a problem, let us know. By the way, if you're looking for the directories that contain lots of files, this script may help: #!/bin/bash # count_em - count files in all subdirectories under current directory. echo 'echo $(ls -a "$1" | wc -l) $...
https://stackoverflow.com/ques... 

How can I mock dependencies for unit testing in RequireJS?

...ems like it's only working if I mock out all of the dependencies. Do you know of a way to return the mock objects if they are there, but fallback to retrieving from the actual .js file if a mock is not provided? I've been trying to dig through the require code to figure it out, but I'm getting a l...
https://stackoverflow.com/ques... 

PHP/MySQL insert row then get 'id'

... As to PHP's website, mysql_insert_id is now deprecated and we must use PDO. To do this with PDO, proceed as following: $db = new PDO('mysql:dbname=database;host=localhost', 'user', 'pass'); $statement = $db->prepare('INSERT INTO people(name, city) VALUES(:name,...
https://stackoverflow.com/ques... 

How to pass command line arguments to a rake task

...3"} NOTE: variable task is the task object, not very helpful unless you know/care about Rake internals. RAILS NOTE: If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks. task :work, [:option, :foo, :bar] =&...
https://stackoverflow.com/ques... 

How do I export UIImage array as a movie?

...erious problem: I have an NSArray with several UIImage objects. What I now want to do, is create movie from those UIImages . But I don't have any idea how to do so. ...
https://stackoverflow.com/ques... 

What is the difference between varchar and varchar2 in Oracle?

... As for now, they are synonyms. VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes. VARCHAR2 does not distinguish between a NULL and empty string, and never wil...