大约有 40,000 项符合查询结果(耗时:0.0530秒) [XML]

https://stackoverflow.com/ques... 

How to write :hover condition for a:before and a:after?

...r, then you can get away with using single colons just fine. This specific order of pseudo-classes and pseudo-elements is stated in the spec: One pseudo-element may be appended to the last sequence of simple selectors in a selector. A sequence of simple selectors is a chain of simple selectors that...
https://stackoverflow.com/ques... 

What is SQL injection? [duplicate]

...t data is valid. Do a code review to check for the possibility of second-order attacks. Use parameterised queries. Use stored procedures. Re-validate data in stored procedures. Ensure that error messages give nothing away about the internal architecture
https://stackoverflow.com/ques... 

Remove local git tags that are no longer on the remote repository

...e remote, then it will remain deleted. Thus you need to type two lines in order: git tag -l | xargs git tag -d git fetch --tags These: Delete all tags from the local repo. FWIW, xargs places each tag output by "tag -l" onto the command line for "tag -d". Without this, git won't delete anythi...
https://stackoverflow.com/ques... 

Split data frame string column into multiple columns

...oses it into 2 vectors with a single value in each. paste0 is just used in order to create the column names, it is not used on the values. On the LHS of the equation are the column names, on the RHS is the split + transpose operation on the column. := stands for "assign in place", hence you don't se...
https://stackoverflow.com/ques... 

Reading an Excel file in PHP [closed]

...once had to read some Excel files but I used the Office 2003 XML format in order to read them and told the people that were using the application to save and upload only that type of Excel file. share | ...
https://stackoverflow.com/ques... 

Quickest way to compare two generic lists for differences

...ow up in the first list but not in the second". There's no indication that ordering is relevant, whereas SequenceEqual does consider it to be relevant. This appears to be answering an entirely different question. – Jon Skeet Sep 5 '19 at 9:44 ...
https://stackoverflow.com/ques... 

Skip Git commit hooks

... might, as in this blog post, have to comment/disable somehow that hook in order for your git cherry-pick to proceed. The same process would be necessary in case of a git rebase --continue, after a merge conflict resolution. ...
https://stackoverflow.com/ques... 

How to use split?

... According to MDN, the split() method divides a String into an ordered set of substrings, puts these substrings into an array, and returns the array. ???? Example var str = 'Hello my friend' var split1 = str.split(' ') // ["Hello", "my", "friend"] var split2 = str.split('') // ["H"...
https://stackoverflow.com/ques... 

Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]

...oadClass("..."); on a Class type to attempt to load a Torque peer class in order to run a static initializer block which maps the peer to a database table. The static block was not executed on this call. However, upon calling Class.forName("..."); for the peer class the static block was executed. +1...
https://stackoverflow.com/ques... 

abort, terminate or exit?

...t successfully exits the application, and calls atexit() functions in LIFO order. I don't normally see this in C++ applications, however, I do see it in many unix based applications where it sends an exit code at the end. Usually a exit(0) indicates a successful run of the application. ...