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Java LinkedHashMap get first or last entry
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I know that I came too late but I would like to offer some alternatives, not something extraordinary but some cases that none mentioned here. In case that someone doesn't care so much for efficiency but he wants something with more simplicity(perhaps find the last entry value with one...
How do I copy items from list to list without foreach?
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You could try this:
List<Int32> copy = new List<Int32>(original);
or if you're using C# 3 and .NET 3.5, with Linq, you can do this:
List<Int32> copy = original.ToList();
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Type safety: Unchecked cast
...n available to the garbage collector. So, don't do that, use:
private Map<String, String> someMap = (HashMap<String, String>)getApplicationContext().getBean("someMap");
Secondly, the compiler is complaining that you cast the object to a HashMap without checking if it is a HashMap. But...
Center content in responsive bootstrap navbar
... class around the navbar. This will center the links inside the navbar:
<nav class="navbar navbar-default">
<!-- here's where you put the container tag -->
<div class="container">
<div class="navbar-header">
<!-- header and collapsed icon here -->
<...
PHP array_filter with arguments
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As an alternative to @Charles's solution using closures, you can actually find an example in the comments on the documentation page. The idea is that you create an object with the desired state ($num) and the callback method (taking...
Possible to iterate backwards through a foreach?
...for as much as foreach is implemented in-order, the construct itself is built for expressing loops that are independent of element indexes and iteration order, which is particularly important in parallel programming. It is my opinion that iteration relying on order should not use foreach for looping...
How to prevent column break within an element?
...void;
page-break-inside: avoid;
break-inside: avoid-column;
}
<div class='x'>
<ul>
<li>Number one, one, one, one, one</li>
<li>Number two, two, two, two, two, two, two, two, two, two, two, two</li>
<li>Number three...
Retrieving Property name from lambda expression
... if the expression is not a property.
public PropertyInfo GetPropertyInfo<TSource, TProperty>(
TSource source,
Expression<Func<TSource, TProperty>> propertyLambda)
{
Type type = typeof(TSource);
MemberExpression member = propertyLambda.Body as MemberExpression;
...
How can I convert comma separated string into a List
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Here is one way of doing it:
List<int> TagIds = tags.Split(',').Select(int.Parse).ToList();
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How can I make a JPA OneToOne relation lazy
... and you're still having problems, please post your classes, query and resulting SQL for more to-the-point conversation.
B) @OneToOne is trickier. If it's definitely not nullable, go with Rob H.'s suggestion and specify it as such:
@OneToOne(optional = false, fetch = FetchType.LAZY)
Otherwise, i...
