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When to use a “has_many :through” relation in Rails?
.... However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
3 An...
What is the difference between “int” and “uint” / “long” and “ulong”?
...nt. I've gone through all three and briefly looked at 6502 shudder
A brief google search shows this:
https://www.tutorialspoint.com/cprogramming/c_data_types.htm
This is also good info:
https://docs.oracle.com/cd/E19620-01/805-3024/lp64-1/index.html
use int if you really don't care how large your bi...
How to reuse an ostringstream?
...
the std::ends doesn't work for me in google test boost::any a = 1; std::ostringstream buffer; buffer << a << std::ends; EXPECT_EQ( buffer.str(), "any<(int)1>" ); TestUtilsTest.cpp:27: Failure Expected: buffer.str() Which is: ...
Getting the difference between two sets
...
If you use Guava (former Google Collections) library there is a solution:
SetView<Number> difference = com.google.common.collect.Sets.difference(test2, test1);
The returned SetView is a Set, it is a live representation you can either make im...
Chrome refuses to execute an AJAX script due to wrong MIME type
...ter since questions are supposed to be helpful to others, not just the OP. Google pointed me here and this doesn't help my case
– Juan Mendes
Jan 10 '18 at 23:42
...
Regex Named Groups in Java
... the given "named group".
Other alternatives for pre-Java 7 were:
Google named-regex (see John Hardy's answer)
Gábor Lipták mentions (November 2012) that this project might not be active (with several outstanding bugs), and its GitHub fork could be considered instead.
jregex (See Brian Cl...
Render HTML to an image
...n 74.0.3729.157 as of this response), it is actually easy:
"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" --headless --screenshot --window-size=256,256 --default-background-color=0 button.html
Explanation of the command:
you run Chrome from the command line (here shown for the M...
How do I break out of a loop in Perl?
...son, i am completely unable to remember this keyword 'last'. always end up googling 'perl break loop' :(
– Thupten
Sep 8 '15 at 4:50
...
How to undo another user’s checkout in TFS?
...uts.
I'm sure Arne has found a solution but I hope this helps others who google the issue.
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Source code highlighting in LaTeX
... @Paŭlo Thanks. I try to read all mentions of the package (I’ve got a Google alert) but I don’t always succeed. The question you mentioned I’ve actually read (apparently: I upvoted it but I can’t remember) but it’s not at all straightforward. “Ab”using TikZ for this seems like a bad...