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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...way to do an operation" as a constraint. Rightly so, because for example to_string and lambdas are both conveniences for things you could do already. I suppose one could interpret "only one way to do an operation" very loosely to allow both of those, and at the same time to allow almost any duplicat...
Efficient evaluation of a function at every cell of a NumPy array
...ze(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
...
Where does the .gitignore file belong?
...answered Apr 11 '18 at 12:18
XLE_22XLE_22
3,12633 gold badges1111 silver badges3737 bronze badges
...
What is the closest thing Windows has to fork()?
...he current process. Otherwise, this
parameter must be a handle of the SEC_IMAGE section object created on
the EXE file before calling ZwCreateProcess().
Though note that Corinna Vinschen indicates that Cygwin found using ZwCreateProcess() still unreliable:
Iker Arizmendi wrote:
> ...
How can I use xargs to copy files that have spaces and quotes in their names?
...answer but not working on Mac. Instead we can pipe the find into sed -e 's_\(.*\)_"\1"_g' to force quotes around the file name
– ishahak
Aug 21 '16 at 11:08
10
...
Get the Last Inserted Id Using Laravel Eloquent
... used like this.
return Response::json(array('success' => true, 'last_insert_id' => $data->id), 200);
For updated laravel version try this
return response()->json(array('success' => true, 'last_insert_id' => $data->id), 200);
...
How to execute a raw update sql with dynamic binding in rails
...using it's methods, e.g. for MySQL:
st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st.close
I'm not sure if there are other ramifications to doing this (connections left open, etc). I would trace the Rails code for a n...
How to write very long string that conforms with PEP8 and prevent E501
....
from paragraphs import par
class SuddenDeathError(Exception):
def __init__(self, cause: str) -> None:
self.cause = cause
def __str__(self):
return par(
f""" Y - e - e - e - es, Lord love you! Why should she die of
{self.cause}? She come throug...
How to install trusted CA certificate on Android device?
...oduction builds use the default trust profile.
Add a file res/xml/network_security_config.xml to your app:
<network-security-config>
<debug-overrides>
<trust-anchors>
<!-- Trust user added CAs while debuggable only -->
<certific...
usr/bin/ld: cannot find -l
...ame across another post on the Internets that suggested to run make with LD_DEBUG=all:
LD_DEBUG=all make
Although I got a TON of debugging output, it wasn't actually helpful. It added more confusion than anything else. So, I was about to give up.
Then, I had an epiphany. I thought to actually...