大约有 40,000 项符合查询结果(耗时:0.0491秒) [XML]

https://stackoverflow.com/ques... 

How to make ng-repeat filter out duplicate results

...sion of ui utils, you can just include ui.unique on its own. use bower install just for the module. – Learning stats by example Feb 11 '15 at 19:59 ...
https://stackoverflow.com/ques... 

MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
https://stackoverflow.com/ques... 

Getting name of windows computer running python script?

Basically, I have a couple Windows computers on my network that will be running a python script. A different set of configuration options should be used in the script depending on which computer is running this script. ...
https://stackoverflow.com/ques... 

What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?

...fNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks. 2 Answers ...
https://stackoverflow.com/ques... 

How to parse JSON in Scala using standard Scala classes?

... { "languages": [{ "name": "English", "is_active": true, "completeness": 2.5 }, { "name": "Latin", "is_active": false, "completeness": 0.9 }] } """.stripMargin val result = for { Some(M(m...
https://stackoverflow.com/ques... 

Is the != check thread safe?

... Although strong evidence, bytecode is not actually a proof. It must be somewhere in the JLS as well... – Marko Topolnik Aug 27 '13 at 9:29 10 ...
https://stackoverflow.com/ques... 

Why would finding a type's initializer throw a NullReferenceException?

....cs: (196c.1874): Access violation - code c0000005 (first chance) mscorlib_ni!System.RuntimeType.GetConstructorImpl(System.Reflection.BindingFlags, System.Reflection.Binder, System.Reflection.CallingConventions, System.Type[], System.Reflection.ParameterModifier[])+0xa3: 000007fe`e5735403 488b4608 ...
https://stackoverflow.com/ques... 

MySQL: selecting rows where a column is null

... NULL = NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute. – Konerak Jan 12 '11 at 19:50 ...
https://stackoverflow.com/ques... 

How to loop through a plain JavaScript object with the objects as members?

How can I loop through all members in a JavaScript object including values that are objects. 24 Answers ...
https://stackoverflow.com/ques... 

Convert unix time to readable date in pandas dataframe

...12.15 3 1349979305 12.19 4 1350065705 12.15 In [25]: df['date'] = pd.to_datetime(df['date'],unit='s') In [26]: df.head() Out[26]: date price 0 2012-10-08 18:15:05 12.08 1 2012-10-09 18:15:05 12.35 2 2012-10-10 18:15:05 12.15 3 2012-10-11 18:15:05 12.19 4 2012-10-12 18:15:...