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Can I set null as the default value for a @Value in Spring?
I'm currently using the @Value Spring 3.1.x annotation like this:
5 Answers
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How can I list ALL DNS records?
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Thanks for that(also to deltab). Very clear explanation, confirming what I'd suspected - it is available but not to me (unless I start setting up my own nameservers). As I look after very many domains it would have been so nice just to run a script to get ALL the DNS entrie...
Make Div overlay ENTIRE page (not just viewport)?
... a problem that I think is quite common but I have yet to find a good solution for. I want to make an overlay div cover the ENTIRE page... NOT just the viewport. I don't understand why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what...
What are the performance characteristics of sqlite with very large database files? [closed]
... enterprise rdbms. Can't find it anymore, might be related to an older version of sqlite).
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What is the JavaScript version of sleep()?
...ay to engineer a sleep in JavaScript than the following pausecomp function ( taken from here )?
78 Answers
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How to redirect stderr and stdout to different files in the same line in script?
...d 2> error 1> output if you do not want to append.
Just for completion's sake, you can write 1> as just > since the default file descriptor is the output. so 1> and > is the same thing.
So, command 2> error 1> output becomes, command 2> error > output
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Correct idiom for managing multiple chained resources in try-with-resources block?
...one AutoCloseable resource. However, I am not sure what is the correct idiom when I need to declare multiple resources that are dependent on each other, for example a FileWriter and a BufferedWriter that wraps it. Of course, this question concerns any case when some AutoCloseable resources a...
What is the difference between PS1 and PROMPT_COMMAND
...he terminal. Note the outer ' surrounding the entire PROMPT_COMMAND expression. It includes PS1 so that this variable is re-evaluated each time the PROMPT_COMMAND variable is evaluated.
PROMPT_COMMAND='RET=$?;\
BRANCH="";\
ERRMSG="";\
if [[ $RET != 0 ]]; then\
ERRMSG=" $RET";\
fi;\
if...
How to save a BufferedImage as a File
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File outputfile = new File("image.jpg");
ImageIO.write(bufferedImage, "jpg", outputfile);
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How do I provide JVM arguments to VisualVM?
...DK_HOME%\lib\visualvm\etc\visualvm.conf
Xms and Xmx are in the default_options line.
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