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Can you add new statements to Python's syntax?
...pr test, stmt* body, stmt* orelse)
| Until(expr test, stmt* body)
If you now run make, notice that before compiling a bunch of files, Parser/asdl_c.py is run to generate C code from the AST definition file. This (like Grammar/Grammar) is another example of the Python source-code using a mini-langu...
When do we have to use copy constructors?
I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...ll try to launch adb logcat and select the library path automatically. For now, you'll have to do these steps manually.
As of now, ndk-stack doesn't handle libraries that don't have debug information in them. It may be useful to try to detect the nearest function entry point to a given PC address (...
How to cherry pick a range of commits and merge into another branch?
...the comments:
This assumes that B is not a root commit; you'll get an "unknown revision" error otherwise.
Note: as of Git 2.9.x/2.10 (Q3 2016), you can cherry-pick a range of commit directly on an orphan branch (empty head): see "How to make existing branch an orphan in git".
Original answer (Jan...
When to use single quotes, double quotes, and backticks in MySQL
...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
...
Internet Explorer 8 Developer Tools not displaying
...m satisfying myself with chrome debugging tools (they are also very good). Now as I've got this window back I can test things quickly on IE also. I would have given +10 if I could.
– IsmailS
Jul 23 '10 at 10:12
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Elegant way to invert a map in Scala
... different keys associated with same values. So, if you are interested in knowing all the keys, here's the code:
scala> val m = Map(1 -> "a", 2 -> "b", 4 -> "b")
scala> m.groupBy(_._2).mapValues(_.keys)
res0: Map[String,Iterable[Int]] = Map(b -> Set(2, 4), a -> Set(1))
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Does Python SciPy need BLAS?
...to provide build and installation instructions, but the instructions there now rely on OS binary distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then statically link to the Fortran libraries BLAS and LAPACK:
m...
Can a project have multiple origins?
...rebase/push on there behalf by using there fork and are able to merge code now, not tomorrow).
– Benoit Drapeau
Oct 20 '17 at 3:04
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How do I move an existing Git submodule within a Git repository?
...nts this answer refers to the steps needed with older versions of git. Git now has native support for moving submodules:
Since git 1.8.5, git mv old/submod new/submod works as expected and does all the plumbing for you. You might want to use git 1.9.3 or newer, because it includes fixes for sub...