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Any reason not to use '+' to concatenate two strings?
...n, results in unnecessary function calls which could add to the overhead.
Now coming back to the question. Should one discourage the use of + over join in all cases?
I believe no, things should be taken into consideration
Length of the String in Question
No of Concatenation Operation.
And off-...
Java: Why is the Date constructor deprecated, and what do I use instead?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.
– Basil Bourque
Nov 28 '18 at 19:18
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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.
– Basil Bourque
Jan 24 '19 at 23:55
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Running shell command and capturing the output
...ompared to the old way of doing things. But I think it's worth the payoff: now you can do almost anything you need to do with the run function alone.
Older versions of Python (2.7-3.4): check_output
If you are using an older version of Python, or need modest backwards compatibility, you can probab...
Mapping many-to-many association table with extra column(s)
...= other.getId())
return false;
return true;
}
}
Now, we have to create the association table. The first step is to create an object representing a complex primary key (a.id, c.id).
public class ACId implements Serializable{
private A a;
private C c;
public A...
What REST PUT/POST/DELETE calls should return by a convention?
...
@PerryTew Now you can go here tools.ietf.org/wg/httpbis and see the currently being revised version of the HTTP spec. Enjoy!
– Darrel Miller
Aug 5 '12 at 1:49
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How to uninstall editable packages with pip (installed with -e)
... install --editable .
Uninstall:
rm -r $(find . -name '*.egg-info')
Now you can use:
pip uninstall package_name
or python setup.py develop --uninstall or python setup.py develop -u
share
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Add timestamps to an existing table
...add_column :users, :updated_at, :datetime, null: false, default: Time.zone.now. Time.zone.now is just an example, you should use whatever value makes sense for your logic.
– Delong Gao
Jul 30 '19 at 23:46
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Does a favicon have to be 32x32 or 16x16?
...ee any up to date info listed here, so here goes:
To answer this question now, 2 favicons will not do it if you want your icon to look great everywhere. See the sizes below:
16 x 16 – Standard size for browsers
24 x 24 – IE9 pinned site size for user interface
32 x 32 – IE new page tab, Wind...
Executing Shell Scripts from the OS X Dock?
...
You don't happen to know if there is an easy way to have files passed as arguments to the shell script? For files opened using "open with...".
– Fuzzy76
Jun 14 '11 at 12:05
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