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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
python: Change the scripts working directory to the script's own directory
...o so that opening relative paths will work:
import os
os.chdir("/home/udi/foo")
However, you asked how to change into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can use the os.path function...
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 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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When to wrap quotes around a shell variable?
...rm token splitting and/or wildcard expansion.
Token splitting;
$ words="foo bar baz"
$ for word in $words; do
> echo "$word"
> done
foo
bar
baz
By contrast:
$ for word in "$words"; do echo "$word"; done
foo bar baz
(The loop only runs once, over the single, quoted string.)
...
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..
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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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get name of a variable or parameter [duplicate]
... I would include the variable names inside the string, i.e. string.Format("foo={0}, bar={1}", foo, bar), because: in the method they are an implementation detail, but in the file they are part of the document format, which has nothing to do with what the locals are called.
– Ma...