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How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
12 Answers
12
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Preventing an image from being draggable or selectable without using JS
...
Worked on all browsers.
– Milad Abooali
Aug 21 '15 at 3:16
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How do I parse JSON with Ruby on Rails? [duplicate]
...similarity of the [] method.
Here are some examples:
hash_of_values = {'foo' => 1, 'bar' => 2}
array_of_values = [hash_of_values]
JSON[hash_of_values]
# => "{\"foo\":1,\"bar\":2}"
JSON[array_of_values]
# => "[{\"foo\":1,\"bar\":2}]"
string_to_parse = array_of_values.to_json
JSON[...
When to choose checked and unchecked exceptions
...eople misunderstand what this means.
Predictable but unpreventable: The caller did everything within their power to validate the input parameters, but some condition outside their control has caused the operation to fail. For example, you try reading a file but someone deletes it between the time ...
Python: Append item to list N times
...a good idea for constant values, like ints or strings, is because only a shallow copy is does when using the <list>*<number> syntax, and thus if you did something like [{}]*100, you'd end up with 100 references to the same dictionary - so changing one of them would change them all. Since...
difference between #if defined(WIN32) and #ifdef(WIN32)
...
#ifdef FOO
and
#if defined(FOO)
are the same,
but to do several things at once, you can use defined, like
#if defined(FOO) || defined(BAR)
share
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Differences between std::make_unique and std::unique_ptr with new
... unique_ptr<U>(new U())); // unsafe*
The addition of make_unique finally means we can tell people to 'never' use new rather than the previous rule to "'never' use new except when you make a unique_ptr".
There's also a third reason:
make_unique does not require redundant type usage. unique...
How to remove duplicate white spaces in string using Java?
...
Like this:
yourString = yourString.replaceAll("\\s+", " ");
For example
System.out.println("lorem ipsum dolor \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular expression. \s matches a space, tab...
Adding two Java 8 streams, or an extra element to a stream
...ream.concat(lhs, Stream.of(rhs));
}
With these two static methods (optionally in combination with static imports), the two examples could be written as follows:
Stream<Foo> stream = concat(stream1, concat(stream2, element));
Stream<Foo> stream = concat(
conca...
insert multiple rows via a php array into mysql
...like you might be running into string-handling problems in PHP, which is really an algorithm problem, not a language one. Basically, when working with large strings, you want to minimize unnecessary copying. Primarily, this means you want to avoid concatenation. The fastest and most memory efficient...