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Block commenting in Ruby

... You can do =begin [Multi line comment] =end =begin and =end must be at the beginning of the line (not indented at all). Source Also, in TextMate you can press Command + / to toggle regular comments on a highlighted block of code. Source ...
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Retrieve column names from java.sql.ResultSet

...tMetaData rsmd = rs.getMetaData(); String name = rsmd.getColumnName(1); and you can get the column name from there. If you do select x as y from table then rsmd.getColumnLabel() will get you the retrieved label name too. ...
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Change priorityQueue to max priorityqueue

...will take two Integers as input parameters, subtract them from each other, and return the arithmetic result. The lambda function implements the Functional Interface, Comparator<T>. (This is used in place, as opposed to an anonymous class or a discrete implementation.) ...
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How to specify an array of objects as a parameter or return value in JSDoc?

... all doc tools: /** * @param {Array} myArray */ jsdoc-toolkit, JSDoc 3, and JSDuck support the following syntax to denote an array of objects: /** * @param {Object[]} myArray */ EDIT In case you know the keys and the variable type of the values you can also do: /** * @param {Array.<{myNum...
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Python argparse: default value or specified value

...ngs? I have a dilemma with differentiation of "" (empty string as default) and "" (empty string as entered by user). In the code for now I'm using the default and since I need to do some ops, I have something like this self.foo = (args.bar or some_else_source).upper(). It will break on None object A...
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Circular list iterator in Python

... (Loops forever, obviously) In order to manually advance the iterator and pull values from it one by one, simply call next(pool): >>> next(pool) 'a' >>> next(pool) 'b' share | ...
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How do I run git log to see changes only for a specific branch?

...a local branch tracking the remote/master branch. After running git-pull and git-log , the log will show all commits in the remote tracking branch as well as the current branch. However, because there were so many changes made to the remote branch, I need to see just the commits made to the curre...
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How do you get a Golang program to print the line number of the error it just called?

...his to work I only need to set that at the top of one of the package files and it will available for all my files for that package? – Pinocchio Jul 17 '14 at 18:31 4 ...
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How to go to a specific file in Chrome Developer Tools?

...eveloping a web application with a heavy front-end approach. By using Dojo and the AMD-way, I currently have testing screens which may easily load over a hundred different javascript files. ...
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Convert String[] to comma separated string in java

... Again, concepts... And thanks for the down-vote. But there you go, fixed it. – Nico Huysamen Jul 8 '11 at 10:31 ...