大约有 15,461 项符合查询结果（耗时：0.0224秒） [XML]
How can I measure the speed of code written in PHP? [closed]
... and averaging the time and (b) using separate files for each thing you're testing. If you have several timings within one script, their order can make a difference sometimes.
– DisgruntledGoat
Jul 29 '09 at 16:48
...
How can I check whether an array is null / empty?
...here's a key difference between a null array and an empty array. This is a test for null.
int arr[] = null;
if (arr == null) {
System.out.println("array is null");
}
"Empty" here has no official meaning. I'm choosing to define empty as having 0 elements:
arr = new int[0];
if (arr.length == 0) ...
Could not locate Gemfile
... tmp
bin config.ru doc files Gemfile.lock log public README.rdoc test vendor
bash-4.2$ cd plugins/
bash-4.2$ bundle install
Using rake (0.9.2.2)
Using i18n (0.6.0)
Using multi_json (1.3.6)
Using activesupport (3.2.11)
Using builder (3.0.0)
Using activemodel (3.2.11)
Using erubis (...
Can you get DB username, pw, database name in Rails?
...
I think this is the simplest solution. After some testing (in Rails 5.2 at least) this will resolve DATABASE_URL correctly.
ActiveRecord::Base.configurations[Rails.env]
share
|
...
What are some better ways to avoid the do-while(0); hack in C++?
...ate in function" means refactoring into a new function which does only the tests.
– MSalters
Aug 29 '13 at 10:12
35
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What is the most compatible way to install python modules on a Mac?
...X environment and my development setup. Just move out your /opt folder and test your packages with a normal user Python environment
MacPorts is only portable within Mac, but with easy_install or pip you will learn how to setup your environment in any platform (Win/Mac/Linux/Bsd...). Furthermore it ...
Can a JSON value contain a multiline string
...ssible solution to improve 'readability' is to store it as an array.
{
"testCases" :
{
"case.1" :
{
"scenario" : "this the case 1.",
"result" : ["this is a very long line which is not easily readble.",
"so i would like to write it in multiple lines.",
...
Finding out the name of the original repository you cloned from in Git
...\s*Fetch.*(:|\/){1}([^\/]+\/[^\/]+).git/.match($_)[2] rescue nil'
It was tested with three different URL styles:
echo "Fetch URL: http://user@pass:gitservice.org:20080/owner/repo.git" | ruby -ne 'puts /^\s*Fetch.*(:|\/){1}([^\/]+\/[^\/]+).git/.match($_)[2] rescue nil'
echo "Fetch URL: Fetch URL: ...
Check for current Node Version
... "start" : "npm run check-version && npm run start-server",
"test": "npm run check-version && echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dependencies": {
"bluebird": "^3.5.1",
"express": "^4.16.3",
"good-guy-http...
Get folder name from full file path
...
@PeterMortensen, no. I just tested this and the method returns the name of the lowest level folder from the string, even if the folder path does not exist.
– vbguyny
Apr 5 '16 at 13:40
...