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How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getByt...
Detect changes in the DOM
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2015 update, new MutationObserver is supported by modern browsers:
Chrome 18+, Firefox 14+, IE...
How to select Python version in PyCharm?
I have PyCharm 1.5.4 and have used the "Open Directory" option to open the contents of a folder in the IDE.
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
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Remove all elements contained in another array
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How can I get the active screen dimensions?
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Rails Console: reload! not reflecting changes in model files? What could be possible reason?
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reload! only reloads the latest code in the console environment. It does not re-initialize exi...
What makes a SQL statement sargable?
...tion for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-01-2009'
Some other examples:
Bad: Select ... WHERE isNull(FullName,'Ed Jones') = 'Ed Jones'
Fixed: Select ... WHERE ((FullName = 'Ed Jones') OR (FullName IS NULL))
Bad: Select ... WHERE SUB...
How to use ScrollView in Android?
... android:layout_height="match_parent"
android:stretchColumns="1">
<!-- everything you already have -->
</TableLayout>
</ScrollView>
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