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Standard deviation of a list
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The functions are actually called stdev and pstdev, not using std for standard as one would expect. I couldn't edit the post as edits need to modify at least 6 chars...
– mknaf
Jan 6 '17 at 16:00
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Why can't yield return appear inside a try block with a catch?
...ty. I suspect there are very, very few times where this restriction is actually an issue that can't be worked around - but the added complexity in the compiler would be very significant.
There are a few things like this that I've already encountered:
Attributes not being able to be generic
Inabil...
What is Bit Masking?
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the b to indicate binary literal is not supported by all compilers, correct?
– Ungeheuer
May 8 '17 at 23:37
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How to run a program without an operating system?
How do you run a program all by itself without an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...tionaries in a single expression?
For dictionaries x and y, z becomes a shallowly merged dictionary with values from y replacing those from x.
In Python 3.5 or greater:
z = {**x, **y}
In Python 2, (or 3.4 or lower) write a function:
def merge_two_dicts(x, y):
z = x.copy() # start with x's ...
How to set Sqlite3 to be case insensitive when string comparing?
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b
A
The optimiser can also potentially make use of the index for case-insensitive searching and matching on the column. You can check this using the explain SQL command, e.g.:
sqlite> explain select Text_Value from Test where Text_Value = 'b';
addr ...
How do I use a Boolean in Python?
Does Python actually contain a Boolean value? I know that you can do:
7 Answers
7
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Send attachments with PHP Mail()?
...a convenient place in your project.
Include the main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHP...
Is it ok to use dashes in Python files when trying to import them?
Basically when I have a python file like:
7 Answers
7
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How can I use pickle to save a dict?
...ickle', 'wb') as handle:
pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open('filename.pickle', 'rb') as handle:
b = pickle.load(handle)
print a == b
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