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Copy a stream to avoid “stream has already been operated upon or closed”
...gate operations without a lot of accidental detail (e.g., intermediate results) in the way of reading the code. They are also efficient, in that they (generally) make a single pass on the data and do not populate intermediate result containers. These two properties together make them an attractive...
Get nested JSON object with GSON using retrofit
...ou write a deserializer:
class MyDeserializer implements JsonDeserializer<Content>
{
@Override
public Content deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
throws JsonParseException
{
// Get the "content" element from the parsed JSON
...
LINQ: Distinct values
...y as implemented in MoreLINQ in DistinctBy.cs:
public static IEnumerable<TSource> DistinctBy<TSource, TKey>(
this IEnumerable<TSource> source,
Func<TSource, TKey> keySelector,
IEqualityComparer<TKey> comparer)
{
HashSet<TKey> knownKeys = new...
What does (angle brackets) mean in Java?
...
<T> is a generic and can usually be read as "of type T". It depends on the type to the left of the <> what it actually means.
I don't know what a Pool or PoolFactory is, but you also mention ArrayList<T>, wh...
How expensive is RTTI?
... you can afford to do
if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the latter necessarily involves traversing an inheritance tree...
How to create CSV Excel file C#? [closed]
...o csv. In case someone wants to use it for future.
public class CsvExport<T> where T: class
{
public List<T> Objects;
public CsvExport(List<T> objects)
{
Objects = objects;
}
public string Export()
{
ret...
How does one output bold text in Bash?
I'm writing a Bash script that prints some text to the screen:
4 Answers
4
...
Having links relative to root?
...
A root-relative URL starts with a / character, to look something like <a href="/directoryInRoot/fileName.html">link text</a>.
The link you posted: <a href="fruits/index.html">Back to Fruits List</a> is linking to an html file located in a directory named fruits, the dire...
How to change an Eclipse default project into a Java project
...rom SVN and did not specify the project type, so it checked out as a "default" project. What is the easiest way to quickly convert this into a "Java" project?
...
How to Set a Custom Font in the ActionBar Title?
...nd my layout xml (R.layout.titleview in the code above) looks like this:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background...