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Undo a merge by pull request?
Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits ...
When to use margin vs padding in CSS [closed]
When writing CSS, is there a particular rule or guideline that should be used in deciding when to use margin and when to use padding ?
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Is there a 'foreach' function in Python 3?
...it in javascript, I always think if there's an foreach function it would be convenience. By foreach I mean the function which is described below:
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Hidden features of Scala
What are the hidden features of Scala that every Scala developer should be aware of?
28 Answers
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When to use dynamic vs. static libraries
When creating a class library in C++, you can choose between dynamic ( .dll , .so ) and static ( .lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
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How do I get the first element from an IEnumerable in .net?
I often want to grab the first element of an IEnumerable<T> in .net, and I haven't found a nice way to do it. The best I've come up with is:
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Print array to a file
..._r to return the output instead of printing it.
Example from PHP manual
$b = array (
'm' => 'monkey',
'foo' => 'bar',
'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results now contains output from print_r
You can then save $results with file_put_content...
How do I best silence a warning about unused variables?
...sed. Hence I get a warning from GCC telling me that there are unused variables.
21 Answers
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typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
Why do I get a warning icon when I add a reference to an MEF plugin project?
I wish to test the core class of a plugin by directly referencing the plugin project and instantiating the plugin class. When I create a test Console App project and add a project reference to the plugin project, I get a warning icon (yellow triangle with exclamation mark) next to the reference in t...