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What does %w(array) mean?
...otation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspider's quickref.
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How do you get the index of the current iteration of a foreach loop?
... collection, which will return an Enumerator.
This Enumerator has a method and a property:
MoveNext()
Current
Current returns the object that Enumerator is currently on, MoveNext updates Current to the next object.
The concept of an index is foreign to the concept of enumeration, and cannot be don...
Difference between “process.stdout.write” and “console.log” in node.js?
What is the difference between "process.stdout.write" and "console.log" in node.js?
8 Answers
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How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @rProductID, @...
Are there best practices for (Java) package organization? [closed]
...y a heated discussion. Below are some simple guidelines for package naming and structuring:
Follow java package naming conventions
Structure your packages according to their functional role as well as their business role
Break down your packages according to their functionality or modules. e.g. ...
Git Pull While Ignoring Local Changes?
...ll that ignores any local file changes without blowing the directory away and having to perform a git clone ?
12 Answers
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.append(), prepend(), .after() and .before()
I am pretty proficient with coding, but now and then I come across code that seems to do basically the same thing. My main question here is, why would you use .append() rather then .after() or vice verses?
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How to preview git-pull without doing fetch?
...EAD..origin/master to show the log entries between your last common commit and the origin's master branch. To show the diffs, use either git log -p HEAD..origin/master to show each patch, or git diff HEAD...origin/master (three dots not two) to show a single diff.
There normally isn't any need to u...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
...nnection timeout error.
I'm not familiar with this - why does it occur and how can I fix it?
19 Answers
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