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Remove Elements from a HashSet while Iterating [duplicate]
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You can manually iterate over the elements of the set:
Iterator<Integer> iterator = set.iterator();
while (iterator.hasNext()) {
Integer element = iterator.next();
if (element % 2 == 0) {
iterator.remove();
}
}
You will often see this pattern using a for loop r...
How do I get jQuery to select elements with a . (period) in their ID?
...s issue, it now replaces the dots with underscores for the ID attribute.
<%= Html.TextBox("Person.FirstName") %>
Renders to
<input type="text" name="Person.FirstName" id="Person_FirstName" />
For more information view the release notes, starting on page 14.
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Difference between a View's Padding and Margin
...e of padding and margin in a TextView:
xml layout for the image above
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation=...
Is SQL syntax case sensitive?
...ble/disable it. Usually case-sensitive table and column names are the default on Linux MySQL and case-insensitive used to be the default on Windows, but now the installer asked about this during setup. For MSSQL it is a function of the database's collation setting.
Here is the MySQL page about name...
C#: How to convert a list of objects to a list of a single property of that object?
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List<string> firstNames = people.Select(person => person.FirstName).ToList();
And with sorting
List<string> orderedNames = people.Select(person => person.FirstName).OrderBy(name => name).ToList();
...
Avoid dropdown menu close on click inside
...n (e) { e.stopPropagation(); e.preventDefault(); });
– Frank Thoeny
Mar 29 '16 at 4:04
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Python set to list
...t you didn't overwrite list by accident:
>>> assert list == __builtins__.list
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android layout: This tag and its children can be replaced by one and a compound drawable
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To expand on Romain Guy's answer, here is an example.
Before:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:padding="5dp" >
<TextView
android:layout_width="wrap_content"
android:layout_...
Sort a list from another list IDs
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Since you don't specify T,
IEnumerable<T> OrderBySequence<T, TId>(
this IEnumerable<T> source,
IEnumerable<TId> order,
Func<T, TId> idSelector)
{
var lookup = source.ToDictionary(idSelector, t => t);
fo...
How to persist a property of type List in JPA?
...ementation is
javax.persistence.ElementCollection
@ElementCollection
Map<Key, Value> collection;
See: http://docs.oracle.com/javaee/6/api/javax/persistence/ElementCollection.html
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