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Finding Key associated with max Value in a Java Map
...ntry = null;
for (Map.Entry<Foo, Bar> entry : map.entrySet())
{
if (maxEntry == null || entry.getValue().compareTo(maxEntry.getValue()) > 0)
{
maxEntry = entry;
}
}
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Getting the names of all files in a directory with PHP
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How can we get all files within list of extensions? E.g. if we want all .php and .js files ?
– Nis
Apr 30 '14 at 4:33
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Java Generics Wildcarding With Multiple Classes
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Actually, you can do what you want. If you want to provide multiple interfaces or a class plus interfaces, you have to have your wildcard look something like this:
<T extends ClassA & InterfaceB>
See the Generics Tutorial at sun.com, specifically t...
Labels for radio buttons in rails form
... to Rails, I've found this answer the one I keep coming back to. It's the gift that keeps on giving. Well, until I remember the proper syntax anyway... :)
– John Gallagher
Oct 20 '11 at 19:14
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How to build sources jar with gradle
...IntelliJ IDEA) and debug through the project. I know how to load the file if I can generate it.
7 Answers
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Xcode stuck on Indexing
...ecause Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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Highlight bash/shell code in markdown
... rendering engine and the markdown flavour. There is no standard for this. If you mean github flavoured markdown for example, shell should work fine. Aliases are sh, bash or zsh. You can find the list of available syntax lexers here
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Does the join order matter in SQL?
...ON (a.x, a.y) = (b.x, b.y) and the two queries would still be equivalent.
If however, any of these involved IS NULL or a function that is related to nulls like COALESCE(), for example if the condition was b.ab_id IS NULL, then the two queries would not be equivalent.
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How do I rename a column in a SQLite database table?
...nd also within all indexes, triggers, and views that reference the column. If the column name change would result in a semantic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stm...
How can I generate random alphanumeric strings?
...ch as creating passwords or tokens. Use the RNGCryptoServiceProvider class if you need a strong random number generator.)
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