大约有 42,000 项符合查询结果(耗时:0.0663秒) [XML]

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How to switch a user per task or set of tasks?

...ng theme that's in my ansible playbooks is that I often must execute a command with sudo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post com...
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How to test if a string is JSON or not?

I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message. ...
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How do I convert a datetime to date?

... To get in UTC which can be very helpful --> datetime.datetime.utcnow() and correspondingly datetime.datetime.utcnow().date() – Nick Brady Mar 7 '16 at 22:51 2 ...
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SQL Server principal “dbo” does not exist,

...My database did not have had any owner before this issue. Execute this command in your database to set owner to sysadmin account: use [YourDatabaseName] EXEC sp_changedbowner 'sa' share | improve ...
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Adding div element to body or document in JavaScript

... but it also removes the current contents in body. How to add div element and keep contents on body? 9 Answers ...
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Which is faster: multiple single INSERTs or one multiple-row INSERT?

... I know I'm answering this question almost two and a half years after it was asked, but I just wanted to provide some hard data from a project I'm working on right now that shows that indeed doing multiple VALUE blocks per insert is MUCH faster than sequential single VALU...
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How to debug Angular JavaScript Code

...tarang is no longer being maintained. Tested in various versions of Chrome and it does not work.) Here is the the link for a description and demo: Introduction of Angular JS Batarang Download Chrome plugin from here: Chrome plugin for debugging AngularJS You can also use ng-inspect for debugging ang...
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Python group by

Assume that I have a set of data pair where index 0 is the value and index 1 is the type: 6 Answers ...
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Making a mocked method return an argument that was passed to it

..."anotherString",mock.myFunction("anotherString")); } Since Mockito 1.9.5 and Java 8, you can also use a lambda expression: when(myMock.myFunction(anyString())).thenAnswer(i -> i.getArguments()[0]); share | ...
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Setting the default value of a DateTime Property to DateTime.Now inside the System.ComponentModel De

...de to the constructor to initialize the date if required, create a trigger and handle missing values in the database, or implement the getter in a way that it returns DateTime.Now if the backing field is not initialized. public DateTime DateCreated { get { return this.dateCreated.HasVal...