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Signal handling with multiple threads in Linux
...ogram (that possibly has multiple threads) receives a signal, like SIGTERM or SIGHUP?
2 Answers
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How to determine SSL cert expiration date from a PEM encoded certificate?
If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
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How can I determine if a String is non-null and not only whitespace in Groovy?
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myString?.trim() returns a string (or null or blank) instead of the question's which returns a boolean. I guess it depends how you're using the output, for just an 'if' it's fine.
– Steven
Feb 7 '12 at 0:31
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What is the convention for word separator in Java package names?
How should one separate words in package names? Which of the following are correct?
6 Answers
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CSS content generation before or after 'input' elements [duplicate]
In Firefox 3 and Google Chrome 8.0 the following works as expected:
5 Answers
5
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
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Think of it this way: The "short version" (CFBundleShortVersionString) is the public version number. The "version" (CFBundleVersion) is more of an internal version number that could change far more frequently than the public "short version". Personally I...
What does the brk() system call do?
According to Linux programmers manual:
8 Answers
8
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
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Yes, it's subassignment in R using <- (or = or ->) that makes a copy of the whole object. You can trace that using tracemem(DT) and .Internal(inspect(DT)), as below. The data.table features := and set() assign by reference to whatever object they are passed. So...
Why can't a 'continue' statement be inside a 'finally' block?
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finally blocks run whether an exception is thrown or not. If an exception is thrown, what the heck would continue do? You cannot continue execution of the loop, because an uncaught exception will transfer control to another function.
Even if no exception is thrown, finally ...
Difference between thread's context class loader and normal classloader
What is the difference between a thread's context class loader and a normal class loader?
4 Answers
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