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Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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Does Python support short-circuiting?
Does Python support short-circuiting in boolean expressions?
3 Answers
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How to use sed to replace only the first occurrence in a file?
I would like to update a large number of C++ source files with an extra include directive before any existing #includes. For this sort of task, I normally use a small bash script with sed to re-write the file.
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Android adding simple animations while setvisibility(view.Gone)
I have designed a simple layout.I have finished the design without animation, but now I want to add animations when textview click event and I don't know how to use it.
Did my xml design looks good or not?
Any suggestions would be appreciated.
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Code for a simple JavaScript countdown timer?
I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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How to find out which fonts are referenced and which are embedded in a PDF document
We have a little problem with fonts in PDF documents. In order to put the finger on the problem I'd like to inspect, which fonts are actually embedded in the pdf document and which are only referenced. Is there an easy (and cheap as in free) way to do that?
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Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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How to crop an image using PIL?
I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions?
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Find Oracle JDBC driver in Maven repository
I want to add the oracle jdbc driver to my project as dependency (runtime scope) - ojdbc14.
In MVNrepository site the dependency to put in the POM is:
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