大约有 45,000 项符合查询结果（耗时：0.0686秒） [XML]
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...
Calculate the number of business days between two dates?
... lastDay.DayOfWeek == DayOfWeek.Sunday
? 7 : (int)lastDay.DayOfWeek;
Now the result is:
Friday to Friday -> 1
Saturday to Saturday -> 0
Sunday to Sunday -> 0
Friday to Saturday -> 1
Friday to Sunday -> 1
Friday to Monday -> 2
Saturday to Monday -> 1
Sunday to Monday ->...
Best way to store password in database [closed]
...if a trespasser gets a hold of your database, they can still use what are known as rainbow tables to be able to "decrypt" the password (at least those that show up in the rainbow table). To get around this, developers add a salt to passwords which, when properly done, makes rainbow attacks simply in...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
...
MVC DateTime binding with incorrect date format
Asp.net-MVC now allows for implicit binding of DateTime objects. I have an action along the lines of
10 Answers
...
Null or default comparison of generic argument in C#
... @Jordan here's the IL for that - as you can see, it clearly boxes. Now, whether boxing is an issue for you is contextual. It clearly won't matter for your example since the program exits straight away. However, every box is an allocation. If you deal with anything non-trivial, avoiding unnec...
Pushing app to heroku problem
...
that worked...but now it is giving me this message: $ git push heroku master Counting objects: 1652, done. Delta compression using up to 4 threads. fatal: object 91f5d3ee9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 898...
htaccess redirect to https://www
...ll catch it.
RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
# Now, rewrite any request to the wrong domain to use www.
# [NC] is a case-insensitive match
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule .* https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
About proxying
When behind s...
How can I parse JSON with C#?
... Can I deserialize to a var type variable, in the case I dont know the complete structure of my objective? Specifically, I'm consuming Rally User Stories, and I want to convert them to objects.
– Pedro Dusso
Mar 11 '13 at 10:52
...
What is the best java image processing library/approach? [closed]
...
I know this question is quite old, but as new software comes out it does help to get some new links to projects that might be interesting for folks.
imgscalr is pure-Java image resizing (and simple ops like padding, cropping, r...