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How to replace case-insensitive literal substrings in Java
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String target = "FOOBar";
target = target.replaceAll("(?i)foo", "");
System.out.println(target);
Output:
Bar
It's worth mentioning that replaceAll treats the first argument as a regex pattern, which can cause unexpected results. To solve this, also use Pattern.quote as...
Extract file basename without path and extension in bash [duplicate]
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You don't have to call the external basename command. Instead, you could use the following commands:
$ s=/the/path/foo.txt
$ echo "${s##*/}"
foo.txt
$ s=${s##*/}
$ echo "${s%.txt}"
foo
$ echo "${s%.*}"
foo
Note that this solution should work...
Add only non-whitespace changes
I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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Read each line of txt file to new array element
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It's just easy as that:
$lines = explode("\n", file_get_contents('foo.txt'));
file_get_contents() - gets the whole file as string.
explode("\n") - will split the string with the delimiter "\n" - what is ASCII-LF escape for a newline.
But pay attention - check that the file has UNIX-Line...
Extract every nth element of a vector
...it can be used on a temporary; in order to use seq you have to be able to call length on the vector. letters[letters < 'm'][c(TRUE, FALSE, FALSE)]
– Matt Chambers
Sep 14 '17 at 21:07
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Loading a properties file from Java package
...).getResourceAsStream("foo.properties");
prop.load(in);
in.close();
(Add all the necessary exception handling).
If your class is not in that package, you need to aquire the InputStream slightly differently:
InputStream in =
getClass().getResourceAsStream("/com/al/common/email/templates/foo.pro...
What is JavaScript garbage collection?
...ippert wrote a detailed blog post about this subject a while back (additionally comparing it to VBScript). More accurately, he wrote about JScript, which is Microsoft's own implementation of ECMAScript, although very similar to JavaScript. I would imagine that you can assume the vast majority of beh...
python setup.py uninstall
I have installed a python package with python setup.py install .
16 Answers
16
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...robably fine, but you might have an unintended side effect, or you might swallow an exceptional condition (for example, if the source of span is a property or variable that should not be null, but is).
I would therefore overload the method:
void Foo()
{
Foo(TimeSpan.FromSeconds(2.0));
}
void F...
jQuery - selecting elements from inside a element
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Actually, $('#id', this); would select #id at any descendant level, not just the immediate child. Try this instead:
$(this).children('#id');
or
$("#foo > #moo")
or
$("#foo > span")
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