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How to download and save a file from Internet using Java?
...ine file (such as http://www.example.com/information.asp ) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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How is the AND/OR operator represented as in Regular Expressions?
...ou want to build a the regex dynamically to contain other words than part1 and part2, and that you want order not to matter. If so you can use something like this:
((^|, )(part1|part2|part3))+$
Positive matches:
part1
part2, part1
part1, part2, part3
Negative matches:
part1, //with ...
How to go to each directory and execute a command?
...e a bash script that goes through each directory inside a parent_directory and executes a command in each directory .
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Callback to a Fragment from a DialogFragment
...(getActivity())
.setTitle(R.string.ERROR)
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(R.string.ok_button,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichB...
retrieve links from web page using python and BeautifulSoup [closed]
How can I retrieve the links of a webpage and copy the url address of the links using Python?
16 Answers
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How do you specify a byte literal in Java?
...define a simple helper method byte b(int i) { return (byte) i; } somewhere and statically import it. Then you can write f(b(10)).
– Yona Appletree
Oct 11 '13 at 18:56
add a co...
Why can't I do ?
...tml file is local (on my C drive), but not if the html file is on a server and the image file is local. Why is that?
15 Ans...
How to reset a form using jQuery with .reset() method
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Simply magical and straight forward! Much appreciated for sharing.
– Ajay Kumar
Dec 10 '18 at 19:38
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Should I return EXIT_SUCCESS or 0 from main()?
...IT_SUCCESS when it succeeds, just for the sake of symmetry.
On the other hand, if the program never signals failure, you can use either 0 or EXIT_SUCCESS. Both are guaranteed by the standard to signal successful completion. (It's barely possible that EXIT_SUCCESS could have a value other than 0, ...
Add unique constraint to combination of two columns
I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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