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Retrieving a random item from ArrayList [duplicate]
I'm learning Java and I'm having a problem with ArrayList and Random .
12 Answers
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Can you run GUI applications in a Docker container?
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You can simply install a vncserver along with Firefox :)
I pushed an image, vnc/firefox, here: docker pull creack/firefox-vnc
The image has been made with this Dockerfile:
# Firefox over VNC
#
# VERSION 0.1
# DOCKER-VERSION 0.2
FROM ubunt...
Change the maximum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
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Newline in string attribute
How can I add a line break to text when it is being set as an attribute i.e.:
13 Answers
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What is the point of function pointers?
I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
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How can I open multiple files using “with open” in Python?
I want to change a couple of files at one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
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How would I extract a single file (or changes to a file) from a git stash?
I'd like to know if it is possible to extract a single file or diff of a file from a git stash without popping the stash changeset off.
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Performing Breadth First Search recursively
...readth-first search of a binary tree recursively . How would you go about it?
21 Answers
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set the width of select2 input (through Angular-ui directive)
...ct2({ placeholder: 'Select Country', width: '192px' }); solved my problem with IE and have no effect on FF and Chrome! Thanks!
– Adrian P.
Oct 6 '13 at 15:17
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Overriding == operator. How to compare to null? [duplicate]
There is probably an easy answer to this...but it seems to be eluding me. Here is a simplified example:
9 Answers
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