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How should one go about choosing a default TCP/IP port for a new service?
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Go here and pick a port with the description Unassigned
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retrieve links from web page using python and BeautifulSoup [closed]
... print(link['href'])
The BeautifulSoup documentation is actually quite good, and covers a number of typical scenarios:
https://www.crummy.com/software/BeautifulSoup/bs4/doc/
Edit: Note that I used the SoupStrainer class because it's a bit more efficient (memory and speed wise), if you know w...
Cannot install packages using node package manager in Ubuntu
... node ) on Ubuntu has been renamed to nodejs because of a name conflict with another package. Here's what the readme. Debian says:
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What unique features does Firebug have that are not built-in to Firefox?
...ox's native developer tools have come a long way since this question was
written. The differences have mainly reduced to the following points:
Can't stop the script execution on DOM mutations, XHRs, or cookie changes.
XPaths can't be copied.
Missing an events side panel in the Inspector (though ev...
Counting DISTINCT over multiple columns
...mprove performance, you could try creating a persisted computed column on either a hash or concatenated value of the two columns.
Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I b...
How to restore the permissions of files and directories within git if they have been modified?
I have a git checkout. All the file permissions are different than what git thinks they should be therefore they all show up as modified.
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Removing multiple files from a Git repo that have already been deleted from disk
I have a Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this:
29 An...
“File not found” when running new LibGDX project
I trying to learn LibGDX, I install all the software listed here with a new Eclipse 4.3 on a fresh formatted mac OS X Maverick.
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Is there a stopwatch in Java?
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You'll find one in
http://commons.apache.org/lang/
It's called
org.apache.commons.lang.time.StopWatch
But it roughly does the same as yours. If you're in for more precision, use
System.nanoTime()
See also this question here:
Time measuring overhead in Java
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How to convert Java String into byte[]?
...TF_8); // Java 7+ only
However the problem you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address. In your result [B@38ee9f13, the [B means byte[] and 38ee9f13 is the mem...