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Accessing last x characters of a string in Bash
...of string:
${string: -3}
or
${string:(-3)}
(mind the space between : and -3 in the first form).
Please refer to the Shell Parameter Expansion in the reference manual:
${parameter:offset}
${parameter:offset:length}
Expands to up to length characters of parameter starting at the character
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
Based on the examples from this page , I have the working and non-working code samples below.
14 Answers
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Java Security: Illegal key size or default parameters?
... had asked a question about this earlier, but it didn't get answered right and led nowhere.
19 Answers
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.gitignore is ignored by Git
...t your current changes, or you will lose them.
Then run the following commands from the top folder of your Git repository:
git rm -r --cached .
git add .
git commit -m "fixed untracked files"
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How can I increment a char?
I'm new to Python, coming from Java and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
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How to automatically indent source code?
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I have tried both ways, and from the Edit|Advanced menu, and they are not doing anything to my source code. Other options like line indent are working. What could be wrong?
– Chucky
Jul 12 '13 at 11:06
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CSS: How to position two elements on top of each other, without specifying a height?
...t I need to find a way to position these two elements on top of each other and have the container stretch as the content stretches:
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Compelling examples of custom C++ allocators?
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std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; see page 7 in this document)
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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
In Eclipse, selecting a line and pressing Alt + ↑ / ↓ will move the line up and down, a quick way to avoid copy&paste.
Is there an equivalent in Visual Studio?
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How to generate service reference with only physical wsdl file
I have been creating and consuming web services for years and always have been able to use Visual Studio to create a service reference from the client. I have a third party service I need to work with and they refuse to open their security so I can see the wsdl and make the service reference. It's a...