大约有 40,000 项符合查询结果(耗时:0.0500秒) [XML]

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What's the difference between the build and create methods in FactoryGirl?

...ance of the model while the build() method keeps it only on memory. Personally, I use the create() method only when persistence is really necessary since writing to DB makes testing time consuming. e.g. I create users to authentication with create() because my authentication engine queries the D...
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How long is the SHA256 hash?

...(64), or even a char(64), as the length is always the same, not varying at all. And the demo : $hash = hash('sha256', 'hello, world!'); var_dump($hash); Will give you : $ php temp.php string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728" i.e. a string with 64 character...
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How to set host_key_checking=false in ansible inventory file?

..." -- Is shown to be false, proven by my answer. I'd even say this is not really an answer to the question on how to set it on inventory level. – gertvdijk Aug 2 '17 at 10:06 ...
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What generates the “text file busy” message in Unix?

...table while it was running. For example, I was building a make workalike called rmk, and after a while it was self-maintaining. I would run the development version and have it build a new version. To get it to work, it was necessary to use the workaround: gcc -g -Wall -o rmk1 main.o -L. -lrmk -L...
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What's the best way to get the last element of an array without deleting it?

...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used: <<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
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Unusual shape of a textarea?

Usually textareas are rectangular or square, like this: 10 Answers 10 ...
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JSON and XML comparison [closed]

...ne, a little background: edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be used, and there are plenty of good parsers which will change the details to make what I'm saying not quite va...
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How to show SQL queries run in the Rails console?

... Perfect, just what I needed. Have any recommendation where to go find small tricks such as these are documented? – randombits May 29 '10 at 18:18 2 ...
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Rails: create on has_one association

... First of all, here is how to do what you want: @user = current_user @shop = Shop.create(params[:shop]) @user.shop = @shop Now here's why your version did not work: You probably thought that this might work because if User had a ha...
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Best practice to return errors in ASP.NET Web API

... For me I usually send back an HttpResponseException and set the status code accordingly depending on the exception thrown and if the exception is fatal or not will determine whether I send back the HttpResponseException immediately. At ...