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Breaking up long strings on multiple lines in Ruby without stripping newlines
...aybe this is what you're looking for?
string = "line #1"\
"line #2"\
"line #3"
p string # => "line #1line #2line #3"
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Create unique constraint with null columns
..., menu_id, recipe_id)
WHERE menu_id IS NOT NULL;
CREATE UNIQUE INDEX favo_2col_uni_idx ON favorites (user_id, recipe_id)
WHERE menu_id IS NULL;
This way, there can only be one combination of (user_id, recipe_id) where menu_id IS NULL, effectively implementing the desired constraint.
Possible dra...
how to get first three characters of an NSString?
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263
mystr=[mystr substringToIndex:3];
Be sure your string has atleast 3 ch.. o.e. it will crash...
Executing an EXE file using a PowerShell script
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128
& "C:\Program Files\Automated QA\TestExecute 8\Bin\TestExecute.exe" C:\temp\TestProject1\Te...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...hings that I noticed while reading RWH. It's probably incomplete.
Chapter 2. Types and Functions vs the FTP
Since GHC 7.10.
The type of null has been changed due to the Foldable-Traversable-Proposal. Many other functions such as foldr, foldl and many other that were previously only defined for [a...
How can I use a local image as the base image with a dockerfile?
...
jpetazzojpetazzo
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JQuery .on() method with multiple event handlers to one selector
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254
+50
That's ...
Java “params” in method signature?
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edited Feb 6 '09 at 10:21
community wiki
3 r...
How do you use window.postMessage across domains?
...
Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
Note t...