大约有 47,000 项符合查询结果（耗时：0.0687秒） [XML]
Remove blue border from css custom-styled button in Chrome
... custom-styled <button> tags. So with CSS, I said: border: none . Now it works perfectly in safari, but in chrome, when I click one of the buttons, it puts an annoying blue border around it. I thought button:active { outline: none } or button:focus { outline:none } would work, but neith...
Process all arguments except the first one (in a bash script)
...
@GordonDavisson Hmm... you're right, now that I think about it; the line break shouldn't be an issue. I must have been thinking of something else. However, I still have to disagree about running them together; I need to use $* quite often in my scripts.
...
Deleting an element from an array in PHP
...() or alternatively \array_splice().
Also if you have the value and don't know the key to delete the element you can use \array_search() to get the key.
unset()
Note that when you use unset() the array keys won't change/reindex. If you want to reindex the keys you can use \array_values() after unset...
Get time difference between two dates in seconds
...
time difference between now and 10 minutes later using momentjs
let start_time = moment().format('YYYY-MM-DD HH:mm:ss');
let next_time = moment().add(10, 'm').format('YYYY-MM-DD HH:mm:ss');
let diff_milliseconds = Date.parse(next_time) - Date.pars...
Creating an R dataframe row-by-row
...as you need
stringsAsFactors=FALSE) # you don't know levels yet
and then during your operations insert row at a time
DF[i, ] <- list(1.4, "foo")
That should work for arbitrary data.frame and be much more efficient. If you overshot N you can always shrink empty rows...
How do I test if a string is empty in Objective-C?
...
Let me know if I'm wrong, but I think you could also omit == 0 part and add a negation in front: ![string length]. Seems more clean.
– damirstuhec
Aug 31 '14 at 20:29
...
How to initialise memory with new operator in C++?
...
It's a surprisingly little-known feature of C++ (as evidenced by the fact that no-one has given this as an answer yet), but it actually has special syntax for value-initializing an array:
new int[10]();
Note that you must use the empty parentheses — ...
How do I fix a merge conflict due to removal of a file in a branch?
...hen I try to merge it to master branch. There are 2 conflicts. I don't know how to resolve CONFLICT (delete/modify) . Can you please tell me what to do?
...
How to use RestSharp with async/await
...some asynchronous C# code that uses RestSharp with async and await . I know there's been a recent update by Haack but I don't know how to use the new methods.
...
How can I reset or revert a file to a specific revision?
...file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous version.
...