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Are there pronounceable names for common Haskell operators? [closed]
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194
Here is how I pronounce them:
>>= bind
>> then
*> then
-> ...
How to compare strings ignoring the case
...or 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 compare for equality.
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Find column whose name contains a specific string
...list of column names that 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', ...
image processing to improve tesseract OCR accuracy
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13 Answers
13
Active
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Why is using “for…in” for array iteration a bad idea?
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1581
The reason is that one construct:
var a = []; // Create a new empty array.
a[5] = 5; ...
How to write lists inside a markdown table?
...------------- |:-------------:| -----:|
| col 3 is | right-aligned | $1600 |
| col 2 is | centered | $12 |
| zebra stripes | are neat | $1 |
| <ul><li>item1</li><li>item2</li></ul>| See the list | from the first column|
Or pure HTML:
&l...
What is database pooling?
...:
+---------+
| |
| Clients |
+---------+ |
| |-+ (1) +------+ (3) +----------+
| Clients | ===#===> | Open | =======> | RealOpen |
| | | +------+ +----------+
+---------+ | ^
| | (2)
| ...
How can I undo git reset --hard HEAD~1?
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18 Answers
18
Active
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Why should I use Deque over Stack?
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193
For one thing, it's more sensible in terms of inheritance. The fact that Stack extends Vector ...