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Handling InterruptedException in Java
What is the difference between the following ways of handling InterruptedException ? What is the best way to do it?
7 Answ...
How to write a scalable Tcp/Ip based server
...em.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName());
System.Net.IPEndPoint serverEndPoint;
try
{
serverEndPoint = new System.Net.IPEndPoint(localhost.AddressList[0], _port);
}
catch (System.ArgumentOutOfRangeException e)
{
throw new ArgumentOutOfRangeException("Port number ent...
Why is f(i = -1, i = -1) undefined behavior?
...s nothing to say that the instructions performing the assignment cannot be interleaved. It might be optimal to do so, depending on CPU architecture. The referenced page states this:
If A is not sequenced before B and B is not sequenced before A, then
two possibilities exist:
evaluatio...
Logical operators for boolean indexing in Pandas
...ou say
(a['x']==1) and (a['y']==10)
You are implicitly asking Python to convert (a['x']==1) and (a['y']==10) to boolean values.
NumPy arrays (of length greater than 1) and Pandas objects such as Series do not have a boolean value -- in other words, they raise
ValueError: The truth value of an...
How do I include inline JavaScript in Haml?
.../tr>
{% } %}
</script>
At first I used the :cdata to convert (from html2haml), it doesn't work properly (Delete button can't remove relevant component in callback).
<script id='template-download' type='text/x-tmpl'>
<![CDATA[
{% for (var i=0, fil...
Can I return the 'id' field after a LINQ insert?
When I enter an object into the DB with Linq-to-SQL can I get the id that I just inserted without making another db call? I am assuming this is pretty easy, I just don't know how.
...
C#/Linq: Apply a mapping function to each element in an IEnumerable?
I've been looking for a way to transform each element of an IEnumerable into something else using a mapping function (in a Linq-compatible way) but I haven't found anything.
...
Is the != check thread safe?
...e following execution scenario:
The program is loaded and the JVM starts interpreting the bytecodes. Since (as we have seen from the javap output) the bytecode does two loads, you (apparently) see the results of the race condition, occasionally.
After a time, the code is compiled by the JIT compi...
How to pattern match using regular expression in Scala?
...
Since version 2.10, one can use Scala's string interpolation feature:
implicit class RegexOps(sc: StringContext) {
def r = new util.matching.Regex(sc.parts.mkString, sc.parts.tail.map(_ => "x"): _*)
}
scala> "123" match { case r"\d+" => true case _ => fals...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...d, // handle of window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning flags
);
参数解释:
hWnd
Identifies the window. 窗口句柄
hWndInsertAft...