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How to assign the output of a Bash command to a variable? [duplicate]
...erforms globbing on these words. Always double-quote variable expansions "$foo" and command substitutions "$(foo)" (unless you specifically know you have not to).
In the general case, as other answers have mentioned already:
You can't use whitespace around the equal sign in an assignment: var=val...
How to find out where a function is defined?
...PHP 5):
one-liner to print the filename:
print (new ReflectionFunction("foo"))->getFileName();
Please note that it won't show you the location for internal functions (such as _), but it still can print the API for it as below.
to print the definition and parameters of the function:
print...
Initializing multiple variables to the same value in Java
...
Way too late to this but the simplest way I've found is:
String foo = bar = baz = "hello"
println(foo)
println(bar)
println(baz)
Output:
hello
hello
hello
Finding Key associated with max Value in a Java Map
...Or just the entry containing both, of course.)
For example:
Map.Entry<Foo, Bar> maxEntry = null;
for (Map.Entry<Foo, Bar> entry : map.entrySet())
{
if (maxEntry == null || entry.getValue().compareTo(maxEntry.getValue()) > 0)
{
maxEntry = entry;
}
}
...
How do I decode HTML entities in Swift?
... // decode("&lt;") --> "<"
// decode("&foo;") --> nil
func decode(_ entity : Substring) -> Character? {
if entity.hasPrefix("&#x") || entity.hasPrefix("&#X") {
return decodeNumeric(entity.dropFirst(3).dropLast(...
How can I change or remove HTML5 form validation default error messages?
...
When I set a title to "foo" I get "Please match the requested format. foo", so this won't work for me
– Daan
Mar 26 '14 at 8:35
...
Highlight bash/shell code in markdown
...e), then the right identifier to use at the moment is console:
```console
foo@bar:~$ whoami
foo
```
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Convert a list to a string in C#
... separator between the substrings.
var myList = new List<String> { "foo","bar","baz"};
Console.WriteLine(String.Join("-", myList)); // prints "foo-bar-baz"
Depending on your version of .NET you might need to use ToArray() on the list first..
...
Are static class variables possible in Python?
...gt;> X.bar = 0
>>> x = X()
>>> x.bar
0
>>> x.foo
Traceback (most recent call last):
File "<interactive input>", line 1, in <module>
AttributeError: X instance has no attribute 'foo'
>>> X.foo = 1
>>> x.foo
1
And class instances can chan...
How to perform element-wise multiplication of two lists?
...
you can multiplication using lambda
foo=[1,2,3,4]
bar=[1,2,5,55]
l=map(lambda x,y:x*y,foo,bar)
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