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What does value & 0xff do in Java?
... not quite. The & operator works on long values as well, if either operand is a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2.
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What ports does RabbitMQ use?
...olution of node names in a cluster. Nodes must be able to reach each other and the port mapper daemon for clustering to work.
PORT 35197
set by inet_dist_listen_min/max Firewalls must permit traffic in this range to pass between clustered nodes
RabbitMQ Management console:
PORT 15672 for RabbitM...
Dependent DLL is not getting copied to the build output folder in Visual Studio
...ects in the solution.
There is one main project which acts as the start up and uses other projects.
There is one project say "ProjectX". Its reference is added to main project.
The ProjectX references another .NET dll (say abc.dll) that isn't part of the solution.
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What is the difference between object keys with quotes and without quotes?
...e JSON data exchange format does require double quotes around identifiers (and does not allow single quotes).
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Using XPATH to search text containing
...ormalizes
whitespace within elements, ignoring
leading/trailing spaces and converting
extra spaces, tabs and newlines into a
single space. When Selenium reads text
out of the page, it attempts to
duplicate this behavior, so you can
ignore all the tabs and newlines in
your HTML and do...
Add a properties file to IntelliJ's classpath
...ct Structure.
Select your module.
Find the folder in the tree on the right and select it.
Click the Sources button above that tree (with the blue folder) to make that folder a sources folder.
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Best way to include CSS? Why use @import?
...
From a page speed standpoint, @import from a CSS file should almost never be used, as it can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.css");
then the dow...
.gitignore exclude folder but include specific subfolder
...ing /* is significant:
The pattern dir/ excludes a directory named dir and (implicitly) everything under it.
With dir/, Git will never look at anything under dir, and thus will never apply any of the “un-exclude” patterns to anything under dir.
The pattern dir/* says nothing about dir itself...
Peak-finding algorithm for Python/SciPy
... something, but it seems like a common-enough function to be included in standard libraries. Anyone know of one?
8 Answers...
Is it correct to use JavaScript Array.sort() method for shuffling?
I was helping somebody out with his JavaScript code and my eyes were caught by a section that looked like that:
12 Answers
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