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Measuring function execution time in R
...ortant to know is that system.time() has an argument gcFirst which is TRUE by default. This on the one hand makes the measuring a bit more reproducible but can generate a significant overhead of total run time (which is not measured, off course).
– jakob-r
Oct ...
How can I convert this foreach code to Parallel.ForEach?
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Foreach loop:
Iterations takes place sequentially, one by one
foreach loop is run from a single Thread.
foreach loop is defined in every framework of .NET
Execution of slow processes can be slower, as they're run serially
Process 2 can't start until 1 is done. Proce...
Why can't I forward-declare a class in a namespace using double colons?
...of the best answers, because it answers why this can not easily determined by the compiler itself.
– Devolus
Jul 4 '19 at 12:12
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JPA OneToMany not deleting child
...Rooms go too.
Aggregation is a looser kind of association and is typified by Course and Student. Delete the Course and the Student still exists (probably in other Courses).
So you need to either use vendor-specific extensions to force this behaviour (if available) or explicitly delete the child AN...
How to see which flags -march=native will activate?
...amp;1 | grep cc1
If you want to see the compiler/precompiler defines set by certain parameters, do this:
echo | gcc -dM -E - -march=native
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In Git, what is the difference between origin/master vs origin master?
...:
git push origin master
More examples
You can fetch multiple branches by name...
git fetch origin master stable oldstable
You can merge multiple branches...
git merge origin/master hotfix-2275 hotfix-2276 hotfix-2290
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How Does Modulus Divison Work
...ers of computer languages treat an integer with decimal part the same way (by truncating after the decimal) as well
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How do I check if an HTML element is empty using jQuery?
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By far the most elegant solution, should be the correct answer.
– Christoffer Bubach
Sep 22 '15 at 22:32
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How to Add a Dotted Underline Beneath HTML Text
...their cursor over the element:
NOTE: The dotted border/underline is shown by default in Firefox and Opera, but IE8, Safari, and Chrome need a line of CSS:
<abbr title="Hyper Text Markup Language">HTML</abbr>
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Can I stretch text using CSS?
...e.
The question asked for a way to prevent the boldness of the text caused by the stretch and I still haven't given one, BUT the font-weight property has more values than just normal and bold.
I know, you just can't see that, but if you search for the appropriate fonts, you can use the more values.
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