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What is the formal difference in Scala between braces and parentheses, and when should they be used?
What is the formal difference between passing arguments to functions in parentheses () and in braces {} ?
9 Answers
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Reverting to a specific commit based on commit id with Git? [duplicate]
...r HEAD to where they were , but leave your local files etc. the same.
So what exactly do you want to do with this reset?
Edit -
You can add "tags" to your repo.. and then go back to a tag. But a tag is really just a shortcut to the sha1.
You can tag this as TAG1.. then a git reset --soft c1480...
How to select all records from one table that do not exist in another table?
...le1 t1
LEFT JOIN table2 t2 ON t2.name = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion o...
What is the difference between partitioning and bucketing a table in Hive ?
... with a fixed number of files, since you do specify the number of buckets. What hive will do is to take the field, calculate a hash and assign a record to that bucket.
But what happens if you use let's say 256 buckets and the field you're bucketing on has a low cardinality (for instance, it's a US s...
What is the difference between Amazon SNS and Amazon SQS?
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@NickGinanto Queue per user probably isn't what you want. You'd probably want one queue for each service that then handles user-specific messages. This diagram may help: aws.amazon.com/blogs/aws/…
– Trenton
Jul 28 '15 at 16:27
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How to create a .gitignore file
... it in my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
41 Answers...
Getting key with maximum value in dictionary?
...ould be: max(stats.keys(), key=(lambda k: stats[k])) since keys() now does what iterkeys() used to do automatically.
– watsonic
May 5 '15 at 1:58
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What are the pros and cons of the leading Java HTML parsers? [closed]
... that some people have spent some comparing these libraries, and can share what they've learned.
6 Answers
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What is the difference between properties and attributes in HTML?
... of the value attribute from the HTML source code.
So if you want to know what's currently inside the text-box, read the property. If you, however, want to know what the initial value of the text-box was, read the attribute. Or you can use the defaultValue property, which is a pure reflection of th...
Why use deflate instead of gzip for text files served by Apache?
What advantages do either method offer for html, css and javascript files served by a LAMP server. Are there better alternatives?
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