大约有 47,000 项符合查询结果（耗时：0.0510秒） [XML]
How to open a web server port on EC2 instance
...asn't immediately clear to me from the linked instructions, but you should select "Custom TCP". Otherwise you won't be able to change the port.
– KKOrange
Dec 12 '19 at 1:39
a...
What causes a TCP/IP reset (RST) flag to be sent?
...hiccuping every 10 minutes (exactly, within 1-2 seconds). I ran Wireshark and discovered that after 10 minutes of inactivity the other end is sending a packet with the reset (RST) flag set. A google search tells me "the RESET flag signifies that the receiver has become confused and so wants to abor...
Change application's starting activity
...default or the correct one under "Launch:". Not sure why the default was deselected for me, but changing it back worked.
– zeh
Feb 1 '12 at 1:32
|
...
Using openssl to get the certificate from a server
...certificate of a remote server, which I can then use to add to my keystore and use within my java application.
11 Answers
...
Getting jQuery to recognise .change() in IE
..., in my testing this is not correct and jquery's click does trigger when i select the next radio button using arrow keys. (vista, ie7)
– svandragt
Nov 7 '08 at 13:51
1
...
Postgresql: password authentication failed for user “postgres”
I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...ng from "File's Owner" under "Place Holders" to "view" under "Objects" and selecting the view outlet.
– Nirma
Aug 11 '11 at 14:49
...
MySQL Insert into multiple tables? (Database normalization?)
... 2 and 3:
Will stock the LAST_INSERT_ID() in
a MySQL variable:
INSERT ...
SELECT LAST_INSERT_ID() INTO @mysql_variable_here;
INSERT INTO table2 (@mysql_variable_here, ...);
INSERT INTO table3 (@mysql_variable_here, ...);
Will stock the LAST_INSERT_ID() in a
php variable (or any language that
can c...
How to replace strings containing slashes with sed?
...
@MaxWaterman it's standard operating procedure when using sed that the regex command is put in double quotes. I didn't use them in my answer because I wasn't showing the whole sed command line but just the sed regex command string as the OP had ...
Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...