大约有 15,475 项符合查询结果(耗时:0.0248秒) [XML]

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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...
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How to organize large R programs?

...nterface a lot of sanity checks via R CMD check a chance to add regression tests as well as a means for namespaces. Just running source() over code works for really short snippets. Everything else should be in a package -- even if you do not plan to publish it as you can write internal packages fo...
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Where to define custom error types in Ruby and/or Rails?

...w I'm handling custom errors in Rails, including attaching error messages, testing, and how to handle this with ActiveRecord models. Creating Custom Error class MyClass # create a custome error class MissingRequirement < StandardError; end def my_instance_method raise MyClass::Miss...
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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...
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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) ...
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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 (...
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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 ...
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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: ...
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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...
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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 ...