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How to concatenate two IEnumerable into a new IEnumerable?
...
Yes, LINQ to Objects supports this with Enumerable.Concat:
var together = first.Concat(second);
NB: Should first or second be null you would receive a ArgumentNullException. To avoid this & treat nulls as you would an empty set, use the null ...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
I'm trying to configure a dark gray seperator color. Why does the following do nothing?
4 Answers
...
Load HTML file into WebView
...der then call:
webView.loadUrl("file:///android_asset/filename.html");
For Complete Communication between Java and Webview See This
Update: The assets folder is usually the following folder:
<project>/src/main/assets
This can be changed in the asset folder configuration setting in your &l...
What is “function*” in JavaScript?
...
It's a Generator function.
Generators are functions which can be exited and later re-entered. Their context (variable bindings) will be saved across re-entrances.
Calling a generator function does not execute its body immediately; an iter...
What is “2's Complement”?
...nderstand it but everything I've read hasn't brought the picture together for me. I've read the wikipedia article and various other articles, including my text book .
...
Why use try {} finally {} with an empty try block?
...empty-try-block-mystery/:
This methodology guards against a
Thread.Abort call interrupting the
processing. The MSDN page of
Thread.Abort says that “Unexecuted
finally blocks are executed before the
thread is aborted”. So in order to
guarantee that your processing
finishes even ...
What's the point of Spring MVC's DelegatingFilterProxy?
... implements the Filter interface", that is, it finds a bean ("target bean" or "delegate") in your Spring application context and invokes it. How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Support...
How to sort Counter by value? - python
...comprehensions of reversed list comprehension, is there a pythonic way to sort Counter by value? If so, it is faster than this:
...
What is the fastest way to compare two sets in Java?
...r? Your method has a void return type so I assume you'll do the necessary work in this method.
More fine-grained control if you need it:
if (!firstSet.containsAll(secondSet)) {
// do something if needs be
}
if (!secondSet.containsAll(firstSet)) {
// do something if needs be
}
If you need to ...
@Transactional(propagation=Propagation.REQUIRED)
...n setting is PROPAGATION_REQUIRED, a logical transaction scope is created for each method upon which the setting is applied. Each such logical transaction scope can determine rollback-only status individually, with an outer transaction scope being logically independent from the inner transaction sco...