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How to obtain the number of CPUs/cores in Linux from the command line?
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grep -c ^processor /proc/cpuinfo
will count the number of lines starting with "processor" in /proc/cpuinfo
For systems with hyper-threading, you can use
grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}'
which should retu...
Rails: Open link in new tab (with 'link_to')
...lt: "Facebook"), "http://www.facebook.com/mypage", target: :_blank %>
Or with a block:
<%= link_to "http://www.facebook.com/mypage", target: :_blank do %>
<%= image_tag("facebook.png", class: :facebook_icon, alt: "Facebook") %>
<% end %>
...
How to change bower's default components folder?
...iguration file .bowerrc in the project root (as opposed to your home directory) with the content:
{
"directory" : "public/components"
}
Run bower install again.
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Add table row in jQuery
...roach you suggest is not guaranteed to give you the result you're looking for - what if you had a tbody for example:
<table id="myTable">
<tbody>
<tr>...</tr>
<tr>...</tr>
</tbody>
</table>
You would end up with the following:
<table...
Is it possible to declare a variable in Gradle usable in Java?
...adle and then getting it (obviously) at build time. Just like a pre-processor macros in C/C++...
9 Answers
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How to remove folders with a certain name
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If the target directory is empty, use find, filter with only directories, filter by name, execute rmdir:
find . -type d -name a -exec rmdir {} \;
If you want to recursively delete its contents, replace -exec rmdir {} \; by -delete or -prune -...
xUnit : Assert two List are equal?
...zes collections so you just need to do
Assert.Equal(expected, actual); // Order is important
You can see other available collection assertions in CollectionAsserts.cs
For NUnit library collection comparison methods are
CollectionAssert.AreEqual(IEnumerable, IEnumerable) // For sequences, order ...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
I know nothing about Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX:
4 Answers
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IsNothing versus Is Nothing
Does anyone here use VB.NET and have a strong preference for or against using IsNothing as opposed to Is Nothing (for example, If IsNothing(anObject) or If anObject Is Nothing... )? If so, why?
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Why is spawning threads in Java EE container discouraged?
...urces within the environment are meant to be managed, and potentially monitored, by the server. Also, much of the context in which a thread is being used is typically attached to the thread of execution itself. If you simply start your own thread (which I believe some servers will not even allow),...