大约有 1,500 项符合查询结果（耗时：0.0218秒） [XML]
SQL, Postgres OIDs, What are they and why are they useful?
... unsigned integers. They are not unique–OID counter will wrap around at 2³²-1. OID are also used to identify data types (see /usr/include/postgresql/server/catalog/pg_type_d.h).
In my experience, the feature is generally unused in most postgres-backed applications (probably in part because they'...
How to tell if browser/tab is active [duplicate]
... visible but an another window is active.
– Juha Syrjälä
Jul 25 '17 at 19:37
2
FYI: caniuse.co...
Are SVG parameters such as 'xmlns' and 'version' needed?
...wer made that mistake by refering to the XML, not the SVG specification in ³. I tried to correct it, but some idiotes rejected the edit.
– Bachsau
Dec 14 '18 at 2:50
...
How do I determine if a port is open on a Windows server? [closed]
...
Assuming that it's a TCP (rather than UDP) port that you're trying to use:
On the server itself, use netstat -an to check to see which ports are listening.
From outside, just use telnet host port (or telnet host:port on Unix systems) to see if ...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...to peer connections from javascript, but these connections WILL NOT BE RAW TCP.
The complete spec can be found at http://dev.w3.org/html5/websockets/
jrh
EDIT: with specific reference to peer to peer connections, check out these links:
Regarding peer to peer connections: http://www.w3.org/TR/20...
How to get past the login page with Wget?
... You don't need -p (--page-requisites) for this.
– ændrük
Jan 6 '12 at 17:24
14
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Changing .gitconfig location on Windows
...red Oct 29 '10 at 10:57
Stefan NäweStefan Näwe
2,82611 gold badge1414 silver badges1919 bronze badges
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Difference between StringBuilder and StringBuffer
...d Nov 18 '17 at 18:29
Raimund Krämer
1,03677 silver badges2626 bronze badges
answered Dec 10 '08 at 4:36
sblu...
What languages are Windows, Mac OS X and Linux written in?
...er in C, e.g. inheritance in driver code.
– Erik Alapää
Feb 23 '15 at 13:14
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How to add screenshot to READMEs in github repository?
... github changes domain name, etc. etc.)
– Linus Unnebäck
Nov 14 '13 at 21:24
8
@LinusUnnebäck: ...