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Combine two ActiveRecord::Relation objects
...ed).where(id: [6, 7])
current_user.posts.union("published_at < ?", Time.now)
user_1.posts.union(user_2.posts).union(Post.published)
user_1.posts.union_all(user_2.posts)
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
..."
Table aliases in your query would probably make it a lot more readable
Now onto the problem...
You need to explicitly convert your parameters to VARCHAR before trying to concatenate them. When SQL Server sees @my_int + 'X' it thinks you're trying to add the number "X" to @my_int and it can't do...
How to silence output in a Bash script?
...riptor 1 which is the the stdout.
2>&1
Redirect stdout to File
Now when perform this you are redirecting the stdout to the file sample.s
myprogram > sample.s
Redirect stderr and stdout to File
Combining the two commands will result in redirecting both stderr and stdout to sample.s...
Checking whether something is iterable
...ty is a function, then it is iterable. If that's not dead simple, I don't know what is ...
– adius
Jan 27 '17 at 19:21
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How to center a “position: absolute” element
... element that has the attribute position set to absolute .
Does anyone know why the images are not centered?
26 Answers
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
... I feel so shameful that this solution can solve my problem. Now, I can't go outside to meet my friends and family anymore.
– javaLover
May 25 '17 at 10:40
2
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How to send a PUT/DELETE request in jQuery?
...pe: type,
data: data,
success: callback
});
};
});
and now you can use:
$.put('http://stackoverflow.com/posts/22786755/edit', {text:'new text'}, function(result){
console.log(result);
})
copy from here
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Print all day-dates between two dates [duplicate]
...on:
ddd = [str(d1 + timedelta(days=x)) for x in range((d2-d1).days + 1)]
# now you can join
print "\n".join(ddd)
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jQuery Mobile: document ready vs. page events
...ing, basically everything before jQuery Mobile 1.4. Old way of handling is now deprecated and it will stay active until (including) jQuery Mobile 1.5, so you can still use everything mentioned below, at least until next year and jQuery Mobile 1.6.
Old events, including pageinit don't exist any more...
Why shouldn't `'` be used to escape single quotes?
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@Anon.: &apos; is now part of the HTML standard.
– Paul D. Waite
Sep 19 '13 at 9:49
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