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Equation (expression) parser with precedence?
...ms. Because people
will want to do that!
[2] Yes, I am forever scarred from using that "language".
Also note that when I submitted this entry, the preview was correct, but SO's less than adequate parser ate my close anchor tag on the first paragraph, proving that parsers are not something to be...
C++ const map element access
...
Does the C++ standard forbid the implementation from defining additional non-standard member functions in library classes?
– Tim Martin
Feb 27 '11 at 17:31
...
PHP shell_exec() vs exec()
...ec also supports an additional parameter that will provide the return code from the executed command:
exec('ls', $out, $status);
if (0 === $status) {
var_dump($out);
} else {
echo "Command failed with status: $status";
}
As noted in the shell_exec manual page, when you actually require a ...
Detect if called through require or directly by command line
...My solution was to generate a stack trace and get the caller's module name from there:
module.exports = function () {
// generate a stack trace
const stack = (new Error()).stack;
// the third line refers to our caller
const stackLine = stack.split("\n")[2];
// extract the module ...
Multiple constructors in python? [duplicate]
...e fd is a file-like object.
self.fd = fd
@classmethod
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can ...
How is __eq__ handled in Python and in what order?
...ly: if neither a nor b overloads ==, then a == b is the same as a is b.
From https://eev.ee/blog/2012/03/24/python-faq-equality/
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In which order should floats be added to get the most precise result?
...ll to individually affect the sum, or if you throw away too much precision from a lot of small values that individually only affect the last few bits of the sum. In cases where the tail is negligible anyway you probably don't care. For example if you're only adding together a small number of values ...
How to use ScrollView in Android?
... </LinearLayout>
</ScrollView>
The idea for this answer came from a previous answer that is now deleted (link for 10K users). The content of this answer is an update and adaptation of this post.
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Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
... type while thenReturn takes a non-wildcard type, which must be captured. From Mockito's OngoingStubbing,
OngoingStubbing<T> thenAnswer(Answer<?> answer);
OngoingStubbing<T> thenReturn(T value);
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Assign pandas dataframe column dtypes
...en deprecated... i'm not sure what replaced it?
– joefromct
Dec 18 '15 at 3:50
6
To re-infer data...