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How to convert 1 to true or 0 to false upon model fetch
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+1 For converting into int first. !!+"1"; // true, !!+"0"; // false, !!+1; // true, !!+0; // false
– Terry Young
May 1 '13 at 6:18
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Crontab Day of the Week syntax
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0 and 7 both stand for Sunday, you can use the one you want, so writing 0-6 or 1-7 has the same result.
Also, as suggested by @Henrik, it is possible to replace numbers by shortened name of days, such as MON, THU, etc:
0 - Sun Sunday
1 -...
sqlalchemy IS NOT NULL select
...e of IS NOT may be desirable if comparing to boolean values on certain platforms.
Demo:
>>> from sqlalchemy.sql import column
>>> column('YourColumn') != None
<sqlalchemy.sql.elements.BinaryExpression object at 0x10c8d8b90>
>>> str(column('YourColumn') != None)
'"...
Does Swift support reflection?
Does Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
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Insert image after each list item
... The problem with this method is that you cannot provide an alternate text for the image, which (depending on what the image is used for) may reduce accessibility.
– Damien
Mar 17 '15 at 17:24
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Difference between “git checkout ” and “git checkout -- ”
...that begins with -, or is the same as the name of a branch. Some examples for branch/file disambiguation:
git checkout README # would normally discard uncommitted changes
# to the _file_ "README"
git checkout master # would normally switch the working copy to
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f
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Thanks for this workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir).
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...od throws an error. It returns an instance of ActionController::Parameters for the key passed into require.
The permit method returns a copy of the parameters object, returning only the permitted keys and values. When creating a new ActiveRecord model, only the permitted attributes are passed into ...
What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
I'm new to Android and I've seen example code using these annotations. For example:
3 Answers
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Dynamic SELECT TOP @var In SQL Server
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I always forget the parentheses too.
– John Sheehan
Oct 6 '08 at 20:10
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