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How do I start Mongo DB from Windows?
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96
This worked for me
mongod --port 27017 --dbpath C:\MongoDB\data\db
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demystify Flask app.secret_key
...gt;> import os
>>> os.urandom(24)
'\xfd{H\xe5<\x95\xf9\xe3\x96.5\xd1\x01O<!\xd5\xa2\xa0\x9fR"\xa1\xa8'
You copy the key and paste it in your configuration file as the value of SECRET_KEY.
Short of using a key that was randomly generated, you could use a complex assortment of wor...
How to retrieve a single file from a specific revision in Git?
...es looked a few months ago. I found the revision at that date; it's 27cf8e84bb88e24ae4b4b3df2b77aab91a3735d8 . I need to see what one file looks like, and also save it as a ("new") file.
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Virtualbox “port forward” from Guest to Host [closed]
.... check it with ping:
# ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
64 bytes from 192.168.5.1: icmp_seq=1 ttl=128 time=2.30 ms
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Firewall issues?
@Stranger suggested that in some cases it would be necessary to open used port (8000 or whichever is used) in firewall like t...
Difference between float and decimal data type
... example, if you take a 32-bit int you can store any number from 0 - 4,294,967,295. That will only reliably cover 999,999,999, so if you threw out 2 bits and used (1<<30 -1) you'd give up nothing. Covering all 9-digit numbers with only 4 bytes is more efficient than covering 4 digits in 32 bit...
How to increment a NSNumber
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DarkDustDarkDust
84.1k1616 gold badges175175 silver badges209209 bronze badges
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File Explorer in Android Studio
...ted Jul 21 '18 at 4:32
thanhbinh84
13.9k44 gold badges4343 silver badges5757 bronze badges
answered May 26 '17 at 14:19
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How to select multiple files with ?
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84
There is also HTML5 <input type="file" multiple /> (specification).
Browser support is q...
pandas dataframe columns scaling with sklearn
...MinMaxScaler()
>>> dfTest = pd.DataFrame({'A':[14.00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', 'B']] = scaler.fit_transform(dfTest[['A', 'B...
How to call a PHP function on the click of a button
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96
Yes, you need Ajax here. Please refer to the code below for more details.
Change your mark...