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Is it better practice to use String.format over string Concatenation in Java?
Is there a perceptible difference between using String.format and String concatenation in Java?
14 Answers
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How to write lists inside a markdown table?
... @TreborRude No, because Markdown is not HTML actually. But if you use a library (e.g. marked), you probably have this feature (to combine HTML with markdown).
– Ionică Bizău
Aug 5 '14 at 12:59
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Group query results by month and year in postgresql
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@BurakArslan Did the results look like what the OP specifically asked for?
– bma
Nov 24 '14 at 20:41
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How to remove items from a list while iterating?
...terating over a list of tuples in Python, and am attempting to remove them if they meet certain criteria.
26 Answers
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How to prevent errno 32 broken pipe?
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It depends on how you tested it, and possibly on differences in the TCP stack implementation of the personal computer and the server.
For example, if your sendall always completes immediately (or very quickly) on the personal computer, the connection may simply never have b...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
... and leaving connections open and then opening new ones when it restarts. If this kind of thing happens a lot then you'll run out of connections. Or the app is just configured improperly and opens too many connections.
– Scott Marlowe
Aug 7 '12 at 15:04
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Scala how can I count the number of occurrences in a list
...-> 3, apple -> 3)
The question asks how to find the count of a specific item. With this approach, the solution would require mapping the desired element to its count value as follows:
s.groupBy(identity).mapValues(_.size)("apple")
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What is the quickest way to HTTP GET in Python?
What is the quickest way to HTTP GET in Python if I know the content will be a string? I am searching the documentation for a quick one-liner like:
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When to use leading slash in gitignore
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You've answered your own question entirely. If you look at the github/gitignore repo more closely, you'll see most files use inconsistent rules about how patterns are written; it's very likely most were contributed by people who didn't bother to read the documentation...
How do you round to 1 decimal place in Javascript?
...12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rounded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseF...