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How to convert OutputStream to InputStream?
...original OutputStream to the PipedOutputStream
// note that in order for the below method to work, you need
// to ensure that the data has finished writing to the
// ByteArrayOutputStream
originalByteArrayOutputStream.writeTo(out);
}
ca...
How can I use vim to convert my file to utf8?
...ing=utf8
:w myfilename
Also note that UTF8 files often begin with a Byte Order Mark (BOM) which indicates endianness. The BOM is optional but some programs use it exclusively to determine the file encoding. Under certain conditions Vim will write the BOM but sometimes it won't. To explicitly se...
What is the runtime performance cost of a Docker container?
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What is the difference between using IDisposable vs a destructor in C#?
... class to exist when it runs (they may have already been cleaned up as the order in which destructors run in is not garanteed).
IDisposible should be used whenever you have an object that creates resources that need cleaning up (ie, file and graphics handles). In fact, many argue that anything you ...
.gitignore exclude folder but include specific subfolder
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Note: Remember that order does matter in a .gitignore file too, so make sure you put your ! rules at the bottom.
– starbeamrainbowlabs
Aug 12 '19 at 11:15
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How to debug stream().map(…) with lambda expressions?
...this from a parallel stream. The values can be printed in an unpredictable order across different threads. If you're storing values in a debugging data structure from peek, that data structure will of course have to be thread-safe.
Finally, if you're doing a lot of debugging of lambdas (especially ...
Want to find records with no associated records in Rails
...nd you can also chain this with other Arel methods: Person.without_friends.order("name").limit(10)
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How to join (merge) data frames (inner, outer, left, right)
...rge on multiple columns by giving by a vector, e.g., by = c("CustomerId", "OrderId").
If the column names to merge on are not the same, you can specify, e.g., by.x = "CustomerId_in_df1", by.y = "CustomerId_in_df2" where CustomerId_in_df1 is the name of the column in the first data frame and Custom...
How to create a new language for use in Visual Studio
...he time of writing).
For VS 2015 see the sample in the VS2015 branch.
In order to install the SDK for 2015 or later, you need to rerun the VS setup. In 2015 it's called "Visual Studio Extensibility Tools Update 3".
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...link
java.util.concurrent.atomic.AtomicLongArray}, require extra memory ordering
guarantees which are generally not needed in these algorithms and are also
expensive on most processors.
SoyLatte - java 6 for osx javadoc excerpt
/** Base class for sun.misc.Unsafe-based FieldAccessors...