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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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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 ...
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 ...
how to deal with google map inside of a hidden div (Updated picture)
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In order to keep the original center of the map right after resizing, consider extending the resize statement this way: var center = map.getCenter(); google.maps.event.trigger(map, 're...
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...
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;
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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...
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...
Returning null as an int permitted with ternary operator but not if statement
...hink that's the applicable clause. Then it tries to apply auto-unboxing in order to return an int value from the function, which causes a NPE.
– Ted Hopp
Nov 12 '11 at 23:11
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Java Programming - Where should SQL statements be stored? [closed]
...l. But without the nice question marks, or the question marks in the wrong order and leave you to stick it back in the Java code.
We have also used a ORM, and while this is great for developers our DBAs hated it as there is no SQL for them to laugh at. We also used a odd ORM (a custom one from 3rd ...