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Why is using the rails default_scope often recommend against?
...to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true...
How to write loop in a Makefile?
...hat the seq command which generates a sequence of numbers exists on most (all?) unix systems, so you can write for number in ``seq 1 1000``; do echo $$number; done (Put a single backtick on each side of the seq command, not two, I don't know how to format this correctly using stackoverflow's syntax...
Define all functions in one .R file, call them from another .R file. How, if possible?
How do I call functions defined in abc.R file in another file, say xyz.R?
1 Answer
1
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Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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How do I tell CPAN to install all dependencies?
How do I tell CPAN to install all dependencies?
10 Answers
10
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How do I get the size of a java.sql.ResultSet?
...ng about them to others, regardless of whether they are static or not. Actually creating an instance of the object and calling the method is implied.
– laz
Oct 10 '08 at 18:23
51
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Invoking a jQuery function after .each() has completed
In jQuery, is it possible to invoke a callback or trigger an event after an invocation of .each() (or any other type of iterative callback) has completed .
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Disable all gcc warnings
...ontent-policy\"\u003e(content policy)\u003c/a\u003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
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Most simple but complete CMake example
Somehow I am totally confused by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance i...
How can I get the diff between all the commits that occurred between two dates with Git?
Or just all the commits that occurred between two dates? In SVN, you could do something like
11 Answers
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