大约有 42,000 项符合查询结果(耗时:0.0747秒) [XML]

https://stackoverflow.com/ques... 

jQuery disable a link

...t the default behaviour - here, following the link to jquery.com - by calling event.preventDefault() in the event handler If you want to preventDefault() only if a certain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expande...
https://stackoverflow.com/ques... 

NOW() function in PHP

... this may be nice, but does not answer the question at all, it is not easier nor faster to do it this way – Asped Nov 16 '14 at 14:11 8 ...
https://stackoverflow.com/ques... 

The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'

... Yes, it does allow anyone with a connection to the DB to run the stored procedure. I would expect people worried about security to grant access to the relevant group in their database. – Rowland Shaw ...
https://stackoverflow.com/ques... 

How do you discover model attributes in Rails?

... am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files. ...
https://stackoverflow.com/ques... 

How to get the latest tag name in current branch in Git?

...turns the latest tag in the current branch. – brittohalloran Dec 21 '11 at 16:32 47 To get the la...
https://stackoverflow.com/ques... 

Multithreading: What is the point of more threads than cores?

... The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you have four cores and four workin...
https://stackoverflow.com/ques... 

How do I search within an array of hashes by hash values in ruby?

... You're looking for Enumerable#select (also called find_all): @fathers.select {|father| father["age"] > 35 } # => [ { "age" => 40, "father" => "Bob" }, # { "age" => 50, "father" => "Batman" } ] Per the documentation, it "returns an array contai...
https://stackoverflow.com/ques... 

How do I check whether a jQuery element is in the DOM?

... There is a pure-DOM way to do this, which is syntactically more readable, and I imagine very similar in terms of performance: document.contains($foo[0]) – Joel Cross Dec 1 '15 at 10:16 ...
https://stackoverflow.com/ques... 

IndentationError: unindent does not match any outer indentation level

...paces mixed in with your tabs. Try doing a search & replace to replace all tabs with a few spaces. Try this: import sys def Factorial(n): # return factorial result = 1 for i in range (1,n): result = result * i print "factorial is ",result return result print Factorial...
https://stackoverflow.com/ques... 

How can I run PowerShell with the .NET 4 runtime?

... that will change the .NET framework loaded systemwide, which will in turn allow PowerShell to use .NET 4.0 classes: reg add hklm\software\microsoft\.netframework /v OnlyUseLatestCLR /t REG_DWORD /d 1 reg add hklm\software\wow6432node\microsoft\.netframework /v OnlyUseLatestCLR /t REG_DWORD /d 1 ...