大约有 48,000 项符合查询结果（耗时：0.0870秒） [XML]
What is the difference between varchar and varchar2 in Oracle?
...R2. It is NOT a SYNONYM which is an actual object type in Oracle.
SQL> select substr(banner,1,80) from v$version where rownum=1;
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> create table test (my_char varchar(20));
Table created.
SQL> desc test
Na...
TortoiseSVN icons not showing up under Windows 7
...ress Ctrl+Shift+Esc.
Click the Processes tab.
Right-click on explorer.exe.
Select End Process.
Click End Process button.
Click the Applications tab.
Right-click.
Click New Task (Run).
Set Open to: explorer
Click OK.
Windows Explorer has restarted and the TortoiseSVN icons reappear.
...
jQuery scroll() detect when user stops scrolling
...ndler. It attaches an event handler function for one or more events to the selected elements and calls the handler function if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or such.
It is important to check...
Add all files to a commit except a single file?
... very simple script I use (that I call gitadd) to add all changes except a select few that I keep listed in a file called .gittrackignore (very similar to how .gitignore works).
#!/bin/bash
set -e
git add -A
git reset `cat .gittrackignore`
And this is what my current .gittrackignore looks like.
...
Possible reasons for timeout when trying to access EC2 instance
... I just added a rule, and instead of putting a "custom" ip address, I just selected 'my IP' and wala... I was able to ssh in!
– rikkitikkitumbo
Oct 17 '16 at 7:32
...
Can I add color to bootstrap icons only using CSS?
...) your cursor looks like an oversized capital "I" character, it's used for selecting text. In CSS it's referred to as cursor: text;. It's also known as "I-beam".
– Dai
Sep 12 '12 at 1:47
...
Easiest way to toggle 2 classes in jQuery
... match the elements that expose either class, you can use a multiple class selector and write:
$(".A, .B").toggleClass("A B");
share
|
improve this answer
|
follow
...
AddBusinessDays and GetBusinessDays
...using negative numbers with AddBusinessDays allows non-business days to be selected.
– Ristogod
May 28 '14 at 17:37
|
show 11 more comments
...
How to convert a LocalDate to an Instant?
...s a time-zone. Unlike some other date and time libraries, JSR-310 will not select the time-zone for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the ...
How to merge specific files from Git branches
...file
d - do not stage this hunk nor any of the later hunks in the file
g - select a hunk to go to
/ - search for a hunk matching the given regex
j - leave this hunk undecided, see next undecided hunk
J - leave this hunk undecided, see next hunk
k - leave this hunk undecided, see previous undecided h...