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How to dynamically load a Python class
...
From the python documentation, here's the function you want:
def my_import(name):
components = name.split('.')
mod = __import__(components[0])
for comp in components[1:]:
mod = getattr(mod, comp)
retu...
Custom Python list sorting
... functools cmp_to_key to have old-style comparison functions work though.
from functools import cmp_to_key
def cmp_items(a, b):
if a.foo > b.foo:
return 1
elif a.foo == b.foo:
return 0
else:
return -1
cmp_items_py3 = cmp_to_key(cmp_items)
alist.sort(cmp_ite...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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Highlight string is להדגיש מחרוזת. From now on, I will only use my custom array_push function לדחוף_מערך in Hebrew characters, of course. I'm sure all of my non-Hebrew speaking coworkers will love it. Just about all of our dev team speaks at least one...
Changing user agent on urllib2.urlopen
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Setting the User-Agent from everyone's favorite Dive Into Python.
The short story: You can use Request.add_header to do this.
You can also pass the headers as a dictionary when creating the Request itself, as the docs note:
headers should be ...
Why does Date.parse give incorrect results?
...the "Z" specifier indicates that the input is in UTC time so is not offset from the epoch and the result is 0
In the second case, the "-0500" specifier indicates that the input is in GMT-05:00 and both browsers interpret the input as being in the -05:00 timezone. That means that the UTC value is off...
Drop rows with all zeros in pandas data frame
...his question about once a month and always have to dig out the best answer from the comments:
df.loc[(df!=0).any(1)]
Thanks Dan Allan!
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How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
...but this mechanism allows for SQL injection and also prevents the database from reusing an execution plan when the statement shows up again but with different values.
– Greg Biles
Nov 4 '11 at 16:52
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Is there an R function for finding the index of an element in a vector?
...s between the examples. match(c(2,3,3), c(1:4)) returns different results from which(c(2,3,3) %in% c(1:4)) without needing a longer first vector and as many changes from example to example. It's also worth noting that they handle non-matches very differently.
– John
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...ion, this functionality has been added to pandas in the meantime. Starting from pandas 0.15.0, you can use tz_localize(None) to remove the timezone resulting in local time.
See the whatsnew entry: http://pandas.pydata.org/pandas-docs/stable/whatsnew.html#timezone-handling-improvements
So with my ex...
avoid page break inside row of table
...ide: avoid !important;
margin: 4px 0 4px 0; /* to keep the page break from cutting too close to the text in the div */
}
</style>
Even though Chrome supposedly does not recognize the 'page-break-inside: avoid;' property, this seems to keep the row content from being split in half by a...