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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
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Re: comment above - also see this answer
– Steve Chambers
Apr 25 '18 at 14:54
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Dynamically Changing log4j log level
...og4j will automatically refresh the log levels according to your changes. See the documentation of org.apache.log4j.xml.DOMConfigurator.configureAndWatch(String,long) for details. The default wait time between checks is 60 seconds. These changes would be persistent, since you directly change the con...
How to add hyperlink in JLabel?
...plays a HandCursor when you move the mouse over the link, so the look&feel is just like what most users would expect. If browsing is not supported by the platform, no blue, underlined HTML-link is created that could mislead the user. Instead, the link is just presented as plain text.
This could ...
Auto-loading lib files in Rails 4
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lulalalalulalala
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Regular expression to match numbers with or without commas and decimals in text
...QUIRE THE WHOLE STRING TO BE A NUMBER
#For numbers embedded in sentences, see discussion below
#### NUMBERS AND DECIMALS ONLY ####
#No commas allowed
#Pass: (1000.0), (001), (.001)
#Fail: (1,000.0)
^\d*\.?\d+$
#No commas allowed
#Can't start with "."
#Pass: (0.01)
#Fail: (.01)
^(\d+\.)?\d+$
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Overloading Macro on Number of Arguments
... @Uroc327 Adding a 0-argument macro to the list is possible, see my answer.
– augurar
Jan 27 '14 at 0:59
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Combine --user with --prefix error with setup.py install
...n is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .)
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Where to place and how to read configuration resource files in servlet based application?
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It's your choice. There are basically three ways in a Java web application archive (WAR):
1. Put it in classpath
So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path:
ClassLoader classLoader = Thread.currentThread().getContext...
Persistence unit as RESOURCE_LOCAL or JTA?
... and JCA, but that's fairly exotic usage for most of us.
To use JTA, you need support for it in your application server, and also support from the JDBC driver.
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...os Fragkakis
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