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Type safety: Unchecked cast
In my spring application context file, I have something like:
10 Answers
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How do I remove repeated elements from ArrayList?
...ontents to a Set (which will not allow duplicates) and then add the Set back to the ArrayList:
Set<String> set = new HashSet<>(yourList);
yourList.clear();
yourList.addAll(set);
Of course, this destroys the ordering of the elements in the ArrayList.
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How can I make my custom objects Parcelable?
I'm trying to make my objects Parcelable. However, I have custom objects and those objects have ArrayList attributes of other custom objects I have made.
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Extract file name from path, no matter what the os/path format
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Using os.path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module...
How do I execute a string containing Python code in Python?
... x = eval("2+2")
>>> x
4
However, the first step should be to ask yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as high...
Is there any way I can define a variable in LaTeX?
...se \newCommandName{} in the text
For more info on \newcommand, see e.g. wikibooks
Example:
\documentclass{article}
\newcommand\x{30}
\begin{document}
\x
\end{document}
Output:
30
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How to convert Milliseconds to “X mins, x seconds” in Java?
...ours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour.
27 Answers
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Check if table exists in SQL Server
I would like this to be the ultimate discussion on how to check if a table exists in SQL Server 2000/2005 using SQL Statements.
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Better way to revert to a previous SVN revision of a file?
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svn merge -r 854:853 l3toks.dtx
or
svn merge -c -854 l3toks.dtx
The two commands are equivalent.
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How to read multiple text files into a single RDD?
...s from a hdfs location and perform mapping on it in an iteration using spark.
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