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How to initialise memory with new operator in C++?
... useful for value initialization).
This is explicitly permitted by ISO C++03 5.3.4[expr.new]/15, which says:
A new-expression that creates an object of type T initializes that object as follows:
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If the new-initializer is of the form (), the item is value-initialized (8.5);
and does not restr...
gitignore all files of extension in directory
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130
Never tried it, but git help ignore suggests that if you put a .gitignore with *.js in /public/...
How to drop a list of rows from Pandas dataframe?
...bels:
In [65]: df
Out[65]:
one two
one 1 4
two 2 3
three 3 2
four 4 1
In [66]: df.drop(df.index[[1,3]])
Out[66]:
one two
one 1 4
three 3 2
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How to deselect a selected UITableView cell?
... [tableView deselectRowAtIndexPath:indexPath animated:YES];
}
Swift 3.0:
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
//Change the selected background view of the cell.
tableView.deselectRow(at: indexPath, animated: true)
}
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How to chain scope queries with OR instead of AND?
I'm using Rails3, ActiveRecord
19 Answers
19
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Create a completed Task
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edited Jul 23 '15 at 23:53
answered Oct 6 '14 at 23:04
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Compare JavaScript Array of Objects to Get Min / Max
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53
The fastest way, in this case, is looping through all elements, and compare it to the highest/lo...
Best way to create custom config options for my Rails app?
...IG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[RAILS_ENV]
# Rails 3+
APP_CONFIG = YAML.load_file(Rails.root.join('config/config.yml'))[Rails.env]
If you're using Rails 3, ensure you don't accidentally add a leading slash to your relative config path.
You can then retrieve the value using...
What is the purpose and use of **kwargs?
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13 Answers
13
Active
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
... like 2.0.4.2709
You won't find a lot of apps going down to four levels, 3 is usually sufficient.
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