大约有 15,467 项符合查询结果（耗时：0.0393秒） [XML]
Most used parts of Boost [closed]
...:
regex
filesystem
thread
lexical_cast
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really w...
Regular expression for matching HH:MM time format
...hing 12 hours (with am/pm) strings with the above regex, keep in mind that testing "13:00 PM" against the regex will return true (some values) because "3:00 PM" part in the string is valid. I resolved the issue by using the following if statement let res = value.match(regex); if (res && re...
Why should I use an IDE? [closed]
...hing to see the docs
Keeping a view of files, errors/warnings/console/unit tests etc and source code all on the screen at the same time in a useful way
Ease of running unit tests from the same window
Integrated debugging
Integrated source control
Navigating to where a compile-time error or run-time ...
How does having a dynamic variable affect performance?
...on time)
Using a dynamically-generated method that gets created before the test.
Using a dynamically-generated method that gets lazily instantiated during the test.
Each gets called 1 million times in a simple loop. Here are the timing results:
Direct: 3.4248ms
Dynamic: 45.0728ms
Reflection: 888.4...
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 (...
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
...
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
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...
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
...
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: ...