大约有 40,000 项符合查询结果（耗时：0.0486秒） [XML]
How can I get the diff between all the commits that occurred between two dates with Git?
...any way. These commits are more likely to be in some sort of chronological order but you are still at the mercy of the committer having the correct time set on his computer and even so, an unmodified commit can sit on a feature branch on a remote repository indefinitely before being merged into the ...
Heroku Postgres - terminate hung query (idle in transaction)
... sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER BY xact_start;
(The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activity). You'll find the pid in the first (left) column, and the first (top) row is likely to...
Java - get pixel array from image
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People noticing a color difference and/or incorrect byte ordering: @Mota's code assumes a BGR ordering. You should check the incoming BufferedImage's type e.g. TYPE_INT_RGB or TYPE_3BYTE_BGR and handle appropriately. This is one of the things that getRGB() does for you, that makes ...
How to find the kth largest element in an unsorted array of length n in O(n)?
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This is called finding the k-th order statistic. There's a very simple randomized algorithm (called quickselect) taking O(n) average time, O(n^2) worst case time, and a pretty complicated non-randomized algorithm (called introselect) taking O(n) worst case ...
Cross-browser testing: All major browsers on ONE machine
...ptional: Disable unnecessary services via Start > Run > services.msc
Order the rows by column Startup Type, and switch all "Automatic" services to "manual", according to the image. Whenever you want to install a MSI package, run net start msiServer ("Windows Installer"):
Optional: Disable Des...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
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I think some of those steps are out of order, no? This looks like this would work though if done in the right order. Please edit your answer and I will mark it as accepted.
– aarona
Jul 18 '11 at 5:13
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Path to Powershell.exe (v 2.0)
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I believe it's in C:\Windows\System32\WindowsPowershell\v1.0\. In order to confuse the innocent, MS kept it in a directory labeled "v1.0". Running this on Windows 7 and checking the version number via $Host.Version (Determine installed PowerShell version) shows it's 2.0.
Another option is ...
Psql list all tables
...ring(d.datacl, E'\n') AS "Access privileges"
FROM pg_catalog.pg_database d
ORDER BY 1;
**************************
so you can see that psql is searching pg_catalog.pg_database when it gets a list of databases. Similarly, for tables within a given database:
SELECT n.nspname as "Schema",
c.relname...
How to choose the right bean scope?
...n in some broader scope which has overridden Map#put() and/or Map#get() in order to have more fine grained control over bean creation and/or destroy.
The JSF @NoneScoped and CDI @Dependent basically lives as long as a single EL-evaluation on the bean. Imagine a login form with two input fields refer...
LINQ To Entities does not recognize the method Last. Really?
...ELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do a First(), which is what you did.
EDIT:
Other providers will possibly have different implementations of SELECT TOP 1, on Oracle it would probably be something more like WHERE ROWNUM = 1
EDIT:
A...