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How to do scanf for single char in C [duplicate]
In C:
I'm trying to get char from the user with scanf and when I run it the program don't wait for the user to type anything...
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Are HTML Image Maps still used?
...et something up and running.
http://dmitrybaranovskiy.github.io/raphael/
From their web site:
Raphaël ['ræfeɪəl] uses the SVG W3C Recommendation and VML as a base
for creating graphics. This means every graphical object you create is
also a DOM object, so you can attach JavaScript even...
TCP vs UDP on video stream
I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...
Prevent browser caching of AJAX call result
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The following will prevent all future AJAX requests from being cached, regardless of which jQuery method you use ($.get, $.ajax, etc.)
$.ajaxSetup({ cache: false });
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How do I save and restore multiple variables in python?
...13906623/… And use `f = open('store.pckl', 'rb') to open a file to read from. Refer to stackoverflow.com/questions/7031699/….
– user3731622
May 20 '15 at 22:53
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Definition of a Balanced Tree
... For any node in AVL, the height of its left subtree differs by at most 1 from the height of its right subtree.
Next question, what is "height"?
The "height" of a node in a binary tree is the length of the longest path from that node to a leaf.
There is one weird but common case:
Peop...
enum.values() - is an order of returned enums deterministic
...elds instead of ordinals:
Never derive a value associated with an enum from its ordinal; store it in an instance field instead.
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What's the best way to build a string of delimited items in Java?
...ctly what i was looking for: StringUtils.join(java.util.Collection,String) from package org.apache.commons.lang3.StringUtils , the jar file is commons-lang3-3.0.1.jar
– Umar
Aug 30 '11 at 6:58
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How to get an enum which is created in attrs.xml in code
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There does not seem to be an automated way to get a Java enum from an attribute enum - in Java you can get the numeric value you specified - the string is for use in XML files (as you show).
You could do this in your view constructor:
TypedArray a = context.getTheme().obtainStyledAttr...
How do I use su to execute the rest of the bash script as that user?
...y case (I just wanted to drop root privileges and do the rest of my script from restricted user): you can make the script restart itself from correct user. Let's suppose it is run as root initially. Then it will look like this:
#!/bin/bash
if [ $UID -eq 0 ]; then
user=$1
dir=$2
shift 2 # ...