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How to count objects in PowerShell?
...the PowerShell user guide, one of the core PowerShell concepts is that commands accept and return objects instead of text. So for example, running get-alias returns me a number of System.Management.Automation.AliasInfo objects:
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Rails detect if request was AJAX
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Warning: this does not work on standard remote: true calls in newer Rails versions, as the necessary headers don't get set.
– Roland Studer
May 27 at 18:04
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Difference between Django's annotate and aggregate methods?
Django's QuerySet has two methods, annotate and aggregate . The documentation says that:
3 Answers
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:first-child not working as expected
...1:first-child selector means
Select the first child of its parent
if and only if it's an h1 element.
The :first-child of the container here is the ul, and as such cannot satisfy h1:first-child.
There is CSS3's :first-of-type for your case:
.detail_container h1:first-of-type
{
color: bl...
How to align this span to the right of the div?
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CSS is simplified and proper clean: both should be added. Also fiddle contain very fragile solution: jsfiddle.net/8JwhZ/2090
– Risord
Nov 14 '17 at 0:40
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Setting a timeout for socket operations
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Use the Socket() constructor, and connect(SocketAddress endpoint, int timeout) method instead.
In your case it would look something like:
Socket socket = new Socket();
socket.connect(new InetSocketAddress(ipAddress, port), 1000);
Quoting from the do...
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
... ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine.
4 Answers
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...ere's nothing wrong with that statement; you're just multiplying 4 numbers and assigning it to an int, there just happens to be an overflow. This is different than assigning a single literal, which would be bounds-checked at compile-time.
It is the out-of-bounds literal that causes the error, not t...
How do I hide javascript code in a webpage?
...ion directly which is code being viewed from the browser's View Source command.
As other have said, there is no way to protect javascript intended to run in a browser from a determined viewer. If the browser can run it, then any determined person can view/run it also.
But, if you put your javascr...
round() for float in C++
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there is also lround and llround for integral results
– sp2danny
Feb 23 '15 at 11:55
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