大约有 47,000 项符合查询结果（耗时：0.0943秒） [XML]
Recursively list all files in a directory including files in symlink directories
... directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
...
Studies on optimal code width?
...
Actually, the 80-column thing long precedes DOS. It comes from card punches, which were 80-column devices.
And to kind of answer the OP's question, one "study" has been going on for about 600 years now - the printed book. These ...
What is REST? Slightly confused [closed]
...ps go over it a few times slowly, but you will grasp the concept, it's actually not hard at all. People just have a tendency to explain it poorly.
– Anders
Jan 12 '11 at 0:01
...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...et returns positive numbers of minutes for zones west of UTC, which are usually stated as negative hours (since they're "behind" UTC). For example, Los Angeles is UTC–8h Standard, UTC-7h DST. getTimezoneOffset returns 480 (positive 480 minutes) in December (winter, Standard Time), rather than -480...
How to concatenate multiple lines of output to one line?
...t file | grep pattern , I get many lines of output. How do you concatenate all lines into one line, effectively replacing each "\n" with "\" " (end with " followed by space)?
...
Scrolling a flexbox with overflowing content
... They work when the parent's height doesn't depend on its children, generally, which is the case here. min-height: 100% does indeed fix your stretch-even-when-columns-are-short issue in Firefox (though not in Chrome). Not sure offhand if that's a Chrome bug or a Firefox bug.
...
Updating packages in Emacs
...
In order to automatically update the list of packages, only if there is no package list already, use the following:
(when (not package-archive-contents)
(package-refresh-contents))
In order to update all installed packages, type package-li...
Multiple Indexes vs Multi-Column Indexes
...ique key (an identity column I would recommend) as the first column.
Basically it helps your data insert at the end of the index and not cause lots of disk IO and Page splits.
Secondly, if you are creating other indexes on your data and they are constructed cleverly they will be reused.
e.g. ima...
Is there any difference between “!=” and “” in Oracle Sql?
...
No there is no difference at all in functionality.
(The same is true for all other DBMS - most of them support both styles):
Here is the current SQL reference: https://docs.oracle.com/database/121/SQLRF/conditions002.htm#CJAGAABC
The SQL standard only...
How do I update Node.js?
...tiple version of node on windows
download nvm-setup.zip extract and install it.
execute command nvm list available from cmd or gitbash or powershell, this will list all available version of node
use command nvm install version e.g. nvm install 12.14.0 to install on the machine
last once instal...