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How to get Vim to highlight non-ascii characters?
...
Yes, there is a native feature to do highlighting for any matched strings.
Inside Vim, do:
:help highlight
:help syn-match
syn-match defines a string that matches fall into a group.
highlight defines the color used by the group.
Just think about syntax highlighting for your vimrc file...
How to convert a Java 8 Stream to an Array?
...tor reference. This is suggested in the API documentation for the method.
String[] stringArray = stringStream.toArray(String[]::new);
What it does is find a method that takes in an integer (the size) as argument, and returns a String[], which is exactly what (one of the overloads of) new String[]...
Clear variable in python
...ou were to overwrite keywords - then you would still get errors trying to call a none type. Use del variable
– Dustin K
Aug 21 '19 at 20:53
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
...ing in the "UTF-8 Bytes" column which starts with %E2 is a candidate. Generally the issue is editing code with "smart" features turned on like "smart quotes" replacing " with “ (U+201C) and ” (U+201D) or turning -- into — (U+2014 em dash). All of those start with "\xe2\x80" in UTF-8.
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Very simple log4j2 XML configuration file using Console and File appender
...n" />
</Console>
<File name="MyFile" fileName="all.log" immediateFlush="false" append="false">
<PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
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Why is there a difference in checking null against a value in VB.NET and C#?
... generated CIL (I've converted both to C#):
C#:
private static void Main(string[] args)
{
decimal? x = null;
decimal? y = null;
y = 5M;
decimal? CS$0$0000 = x;
decimal? CS$0$0001 = y;
if ((CS$0$0000.GetValueOrDefault() != CS$0$0001.GetValueOrDefault()) ||
(CS$0$0000...
How do I set environment variables from Java?
...r out a method
void setUpEnvironment(ProcessBuilder builder) {
Map<String, String> env = builder.environment();
// blah blah
}
and pass any ProcessBuilders through it before starting them.
Also, you probably already know this, but you can start more than one process with the same P...
Make $JAVA_HOME easily changable in Ubuntu [closed]
In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6.
8 Answers
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CSS: Change image src on img:hover
... <img src="https://cdn4.iconfinder.com/data/icons/imoticons/105/imoticon_15-128.png" />
<img src="https://cdn4.iconfinder.com/data/icons/imoticons/105/imoticon_12-128.png" />
</a>
CSS
a img:last-child {
display: none;
}
a:hover img:last-child {
display: block;
}
a:ho...
How to search for “R” materials? [closed]
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Joining this discussion very late, but here is my preferred search string in Google: [R] followed by search string.
For example:
[R] lm finds several links to linear modelling in R
The reason this works is that StackOverflow uses the [r] tag, and the R mailing lists also use [R].
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