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What is an efficient way to implement a singleton pattern in Java? [closed]
...An online portion of "Effective Java" says:
"This approach is functionally equivalent to the public field approach, except that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated...
Convert .pfx to .cer
...d Window.
You mention ".cer" extension in the question which is conventionally used for the DER encoded files. A binary encoding. Try the ".crt" file first and if it's not accepted, easy to convert from PEM to DER:
openssl x509 -inform pem -in mycerts.crt -outform der -out mycerts.cer
...
Tool for generating railroad diagram used on json.org [closed]
...string and value using string ::= ... and value ::= ... The references are all shown.
Check out some of the example diagrams on the page. They have XML and even EBNF itself.
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How to programmatically cause a core dump in C/C++
... way to do it (though keep in mind that SIGABRT is not required to be 6 in all POSIX implementations so you may want to use the SIGABRT value itself if this is anything other than quick'n'dirty debug code).
#include <signal.h>
: : :
raise (SIGABRT);
Calling abort() will also cause a core du...
How to parse JSON data with jQuery / JavaScript?
I have a AJAX call that returns some JSON like this:
10 Answers
10
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HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...doesn't work properly on IE9 and below.
That's because in a table layout, all elements should follow the same structural properties.
By using display: block; for the <thead> and <tbody> elements, we've broken the table structure.
Redesign layout via JavaScript
One approach is to rede...
Spring ApplicationContext - Resource leak: 'context' is never closed
...l")) {
service = context.getBean(UserLibrary.class);
}
Whether you actually need to create this context is a different question (you linked to it), I'm not gonna comment on that.
It's true that the context is closed implicitly when the application is stopped but that's not good enough. Eclipse ...
Casperjs/PhantomJs vs Selenium
...ness of testing a finance application where the login screen is unintentionally broken and non-functional!
Note that the line between the two gets slightly blurred with the recent WebDriver support in the latest PhantomJS. It is now possible to quickly run the tests first using PhantomJS and then (...
Where can I download IntelliJ IDEA Color Schemes? [closed]
...
@haccks You still can download all the themes one-by-one for free. You know, I spent my time to I make that site and convert a lot of eclipse themes. After all, I have to pay for the hosting and domain. Do you think that $2 is very high price to support th...
Renaming the current file in Vim
...me2.vim (disregarding the smarter but more complex DelvarWorld version) to allow for spaces in paths and forked it here: github.com/aehlke/vim-rename3 Feel free to submit pull requests for even smarter functionality!
– aehlke
Jul 31 '13 at 21:40
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