大约有 48,000 项符合查询结果(耗时:0.0566秒) [XML]
How do you convert a DataTable into a generic list?
...(DateTime )); for(int i=0;i<=1000;i++){dt.Rows.Add(i, "foo", DateTime.Now);}
– Rahul Garg
Jul 25 '18 at 10:56
...
SQLAlchemy: print the actual query
...e = table('mytable', column('mycol'))
values = (
5,
u'snowman: ☃',
b'UTF-8 snowman: \xe2\x98\x83',
datetime.now(),
Decimal('3.14159'),
10 ** 20, # a long integer
)
statement = select([mytable]).where(mytable.c.mycol.in_(values)).limit(1...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...rminals or on 80-column printouts. Those requirement have mostly gone away now, but there are still valid reasons to keep the 80 column rule:
To avoid wrapping when copying code into email, web pages, and books.
To view multiple source windows side-by-side or using a side-by-side diff viewer.
To i...
Get image data url in JavaScript?
...e need to redownload the image (ie. it's already loaded by the browser, so now I want the content).
8 Answers
...
TypeScript or JavaScript type casting
...
Now, I see that in in doc, referred to as Type Assertions in section 4.13.
– Klaus Nji
Nov 3 '12 at 12:27
...
python setup.py uninstall
...d also undo any other stuff that installation did manually.
If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces.
To record a list of installed files, you can use:
python setup.py install --record files.txt
Once you wa...
System.currentTimeMillis vs System.nanoTime
What I would like to know is whether I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
...
How to embed a SWF file in an HTML page?
...
Thanks for your answer. Now can you suggest a player as well for accessing playback capability along with working example in html itself. ????
– Sumit Ramteke
Dec 18 '13 at 4:16
...
What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
....gz DOES NOT EXTRACT the archive to the filesystem (I double checked right now to be sure and it's confirmed)
– Cecile
Oct 19 '18 at 15:19
50
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...
from here ORA-00054: resource busy and acquire with NOWAIT specified
You can also look up the sql,username,machine,port information and get to the actual process which holds the connection
SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT...
