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Find method references in Xcode
..."Callers" submenu for a list of all methods that call the selected method, and click any of them to jump to that file and method.
In pictures...
A couple of notes:
You can do this for properties too.
Note that when you select a calling method from the Callers menu to jump to where your meth...
Merge up to a specific commit
...med newbranch from the master branch in git. Now I have done some work and want to merge newbranch to master ; however, I have made some extra changes to newbranch and I want to merge newbranch up to the fourth-from-the-last commit to master .
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In C, do braces act as a stack frame?
...nt of view, it is like they are pushed onto the stack as they are declared and then popped when the scope is exited. However, compilers don't have to generate code that pushes/pops anything on entry/exit (and generally, they don't).
Also note that local variables may not use any stack space at all...
How to tell if rails is in production?
...ed script/server -e production to start rails in production mode. It did and I got no errors. However how do I tell if it is in production mode? I tried a non-existent route, and I got a similar error page I did in development.
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RSpec: how to test if a method was called?
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Sorry, I'm not understanding how this format of "to .. receive(:bar)" checks for the value of "called_bar" in this example. Can you explain that to me?
– ecoding5
Jun 29 '15 at 3:51
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Nested classes' scope?
I'm trying to understand scope in nested classes in Python. Here is my example code:
6 Answers
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Determine if running on a rooted device
...e root is available. Rather than having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the respective options in the first place.
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Order by multiple columns with Doctrine
...rBy is 'ASC'.
To add multiple order by's you need to use 'add' function. And it will be like this.
->add('orderBy','first_name ASC, last_name ASC'). This will give you the correctly formatted SQL.
More info on add() function. https://www.doctrine-project.org/projects/doctrine-orm/en/2.6/refe...
How can we make xkcd style graphs?
...ly, folk have figured out how to make xkcd style graphs in Mathematica and in LaTeX . Can we do it in R? Ggplot2-ers? A geom_xkcd and/or theme_xkcd?
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Is there a CSS not equals selector?
... you know what you're doing which is now
supported by all major browsers (and has been for quite some time; this is an old answer...).
Example:
<input type="text" value="will be matched" />
<input type="text" value="will not be matched" class="avoidme" />
<input type="text" value="...