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Why would you use an ivar?
...ficantly more at times).
Program Correctness
Since the subclasses can override any method, you may eventually see there is a semantic difference between writing to the interface versus managing your state appropriately. Direct access for program correctness is especially common in partially construc...
string.Format() giving “Input string is not in correct format”
...
string.Format() considers each '{' or '}' to be part of a placeholder (like '{0}' you already use). You need to escape each literal occurrence by doubling it.
So in your case do:
string tmp = @"
if (UseImageFiles) {{
...
}}";
...
Stateless vs Stateful - I could use some concrete information
...y design, entity classes (or atleast that's what I call them - like Person(id, name, ..)) are stateful, etc.
8 Answers
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How to write a UTF-8 file with Java?
...ss an encoding in the constructor. Then you can write your data to that inside a try-with-resources Statement:
try (OutputStreamWriter writer =
new OutputStreamWriter(new FileOutputStream(PROPERTIES_FILE), StandardCharsets.UTF_8))
// do stuff
}
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OAuth: how to test with local URLs?
...ened URL as the callback in your Twitter app.
This should be easier than fiddling around in the .hosts file.
Note that now (Aug '14) bit.ly is not allowing link forwarding to localhost; however Google link shortener works.
PS edit: (Nov '18): Google link shortener stopped giving support for localho...
How to filter Android logcat by application? [duplicate]
How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes.
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Include another JSP file
... that
<jsp:include page='about.jsp'>
<jsp:param name="articleId" value=""/>
</jsp:include>
and
in about.jsp you can take the paramter
<%String leftAds = request.getParameter("articleId");%>
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Validating parameters to a Bash script
...mp;2 "$@"
exit 1
}
[ "$#" -eq 1 ] || die "1 argument required, $# provided"
echo $1 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does not exist"
rm -rf "$dir"
done <<EOF
~/myfolder1/$1/anotherfolde...
Convert Base64 string to an image file? [duplicate]
.../png;base64, is included in the encoded contents. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open the output file for writing
$if...
Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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