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Use of def, val, and var in scala
These lines of code outputs 12 , even though person.age=20 was successfully executed. I found that this happens because I used def in def person = new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This:
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MySQL Query GROUP BY day / month / year
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edited Feb 3 '09 at 20:42
answered Feb 3 '09 at 20:33
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How to pipe input to a Bash while loop and preserve variables after loop ends
... in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line ...
JSP tricks to make templating easier?
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As skaffman suggested, JSP 2.0 Tag Files are the bee's knees.
Let's take your simple example.
Put the following in WEB-INF/tags/wrapper.tag
<%@tag description="Simple Wrapper Tag" pageEncoding="UTF-8"%>
<html><body>
<jsp:doBod...
How do you get a string from a MemoryStream?
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answered Sep 29 '08 at 18:20
BrianBrian
34.2k1818 gold badges8888 silver badges106106 bronze badges
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CSS Box Shadow - Top and Bottom Only [duplicate]
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answered Jul 12 '11 at 22:18
TeodorTeodor
2,97622 gold badges1818 silver badges1616 bronze badges
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creating a strikethrough text?
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edited Jun 10 '19 at 3:42
user13267
5,7912020 gold badges6565 silver badges114114 bronze badges
answer...
Providing white space in a Swing GUI
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+200
Using various LayoutManagers one can provide spacing between various components.
1.) BorderLayout :
Overloaded Constructor : Bo...
HTTP POST with URL query parameters — good idea or not? [closed]
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271
If your action is not idempotent, then you MUST use POST. If you don't, you're just asking fo...