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passport.js RESTful auth
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+50
There are many questions asked here, and it seems that even though the questions are asked in the context of Node and passport.js the...
How to wait 5 seconds with jQuery?
I'm trying to create an effect where the page loads, and after 5 seconds, the success message on the screen fades out, or slides up.
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How do you clear the focus in javascript?
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edited Jul 21 at 5:40
Donald Duck
5,7491414 gold badges5151 silver badges7575 bronze badges
ans...
Why does C++ require a user-provided default constructor to default-construct a const object?
The C++ standard (section 8.5) says:
5 Answers
5
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Maximum single-sell profit
... O(n) memory!), but it's helpful to see the algorithm evolve:
5 10 4 6 7
min 5 5 4 4 4
best (5,5) (5,10) (5,10) (5,10) (5,10)
Answer: (5, 10)
5 10 4 6 ...
Find column whose name contains a specific string
...at match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
spike_cols = [col for col in df.columns if 'spike' in col]
print(list(df.columns))
print(spike_cols)
Output:
['hey spke', 'no', 'spike-2', 'spiked-in']...
Getting the thread ID from a thread
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Wai Ha Lee
7,3991414 gold badges5050 silver badges7474 bronze badges
answered Nov 5 '09 at 9:07
BlindyBlindy
5...
What are deferred objects?
jQuery 1.5 adds "Deferred Objects". What are they, and what exactly do they do?
4 Answers
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Sorting arrays in NumPy by column
...turn a copy:
In [1]: import numpy as np
In [2]: a = np.array([[1,2,3],[4,5,6],[0,0,1]])
In [3]: np.sort(a.view('i8,i8,i8'), order=['f1'], axis=0).view(np.int)
Out[3]:
array([[0, 0, 1],
[1, 2, 3],
[4, 5, 6]])
To sort it in-place:
In [6]: a.view('i8,i8,i8').sort(order=['f1'], axis...
Add one row to pandas DataFrame
... pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i in range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10, size=2))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 name3 2 1
4 name4 9 6
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