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Convert list of dictionaries to a pandas DataFrame
... there's no mention of this in the documentation, at least not in the docs for pandas.DataFrame
– Leo Alekseyev
Apr 13 '17 at 22:56
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How to get current time with jQuery
The following returns time in microseconds, for example 4565212462.
15 Answers
15
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Operation on every pair of element in a list
... It does exactly what you describe.
import itertools
my_list = [1,2,3,4]
for pair in itertools.product(my_list, repeat=2):
foo(*pair)
This is equivalent to:
my_list = [1,2,3,4]
for x in my_list:
for y in my_list:
foo(x, y)
Edit: There are two very similar functions as well, pe...
Using Custom Domains With IIS Express
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This is what worked for me (Updated for VS 2013, see revision history for 2010, for VS 2015 see this: https://stackoverflow.com/a/32744234/218971):
Right-click your Web Application Project ▶ Properties ▶ Web, then configure the Servers sec...
Get epoch for a specific date using Javascript
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The month argument for the date constructor lacks a little consistency and is actually zero-based. This means 7 is August, so you need to subtract 1 :-)
– Andy E
Jul 29 '10 at 22:25
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Can a for loop increment/decrement by more than one?
Are there other ways to increment a for loop in Javascript besides i++ and ++i ? For example, I want to increment by 3 instead of one.
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How to compare strings ignoring the case
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You're looking for casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.casecmp(str2) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compar...
How to take column-slices of dataframe in pandas
...uz ant cat sat
.loc accepts the same slice notation that Python lists do for both row and columns. Slice notation being start:stop:step
# slice from 'foo' to 'cat' by every 2nd column
df.loc[:, 'foo':'cat':2]
# foo quz cat
# slice from the beginning to 'bar'
df.loc[:, :'bar']
# foo bar
# slice ...
Comparing two byte arrays in .NET
...// true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is OK.
Compiler\run-time environment will optimize your loop so you don't need to worry about performance.
share
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How do I output text without a newline in PowerShell?
...erent function than Write-Host. Readers should note this big discrepency before copy/pasting the answer.
– NathanAldenSr
Mar 7 '15 at 2:50
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