大约有 40,000 项符合查询结果（耗时：0.0703秒） [XML]
Jquery select all elements that have $jquery.data()
...
You could do
$('[data-myAttr!=""]');
this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set);
you could also use filter()
$('*').filter(function() {
return $(this).data('myAttr') !== undefined;
});
...
How to empty a redis database?
...e (how can I list those guys though ?).
Any idea about how to get rid of all of them ?
6 Answers
...
Determine if a sequence contains all elements of another sequence using Linq [duplicate]
...nt> hashSet = new HashSet<int>(superset);
bool contained = subset.All(i => hashSet.Contains(i));
share
|
improve this answer
|
follow
|
...
How do I add files without dots in them (all extension-less files) to the gitignore file?
...**/
!*.*
That gitignore exclusion rule (a negated pattern) should ignore all files, except the ones with an extension.
As mentioned below by Mad Physicist, the rule is:
It is not possible to re-include a file if a parent directory of that file is excluded. (*)
(*: unless certain conditions are m...
List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
...
How do I list all loaded assemblies?
In .Net, I would like to enumerate all loaded assemblies over all AppDomains. Doing it for my program's AppDomain is easy enough AppDomain.CurrentDomain.GetAssemblies() . Do I need to somehow access every AppDomain? Or is there already a tool that does this?
...
MySQL error 1449: The user specified as a definer does not exist
... options:
1. Change the DEFINER
This is possibly easiest to do when initially importing your database objects, by removing any DEFINER statements from the dump.
Changing the definer later is a more little tricky:
How to change the definer for views
Run this SQL to generate the necessary ALTER ...
Generate all permutations of a list without adjacent equal elements
...is greedy algorithm returns optimal solutions, by the following logic. We call a prefix (partial solution) safe if it extends to an optimal solution. Clearly the empty prefix is safe, and if a safe prefix is a whole solution then that solution is optimal. It suffices to show inductively that each gr...
MySQL: Quick breakdown of the types of joins [duplicate]
...n rows when there is at least one match in both tables
LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table
FULL JOIN: Return rows when there is a match i...
git - skipping specific commits when merging
...
If you want to merge most but not all of the commits on branch "maint" to "master", for instance, you can do this. It requires some work---- as mentioned above, the usual use case is to merge everything from a branch--- but sometimes it happens that you made ...