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Sorting Python list based on the length of the string
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def lensort(list_1):
list_2=[];list_3=[]
for i in list_1:
list_2.append([i,len(i)])
list_2.sort(key = lambda x : x[1])
for i in list_2:
list_3.append(i[0])
return list_3
This works for me!
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How do I list one filename per output line in Linux?
... -1 ftw.
– crantok
May 21 '13 at 21:05
4
ls defaults to -1 behavior when the output isn't connect...
SQL Query to concatenate column values from multiple rows in Oracle
...ted string exceeds 4000 characters( limit for VARCHAR2 in SQL ), the below error is thrown, which is difficult to manage in Oracle versions upto 12.1
ORA-01489: result of string concatenation is too long
A new feature added in 12cR2 is the ON OVERFLOW clause of LISTAGG.
The query including t...
Generating random strings with T-SQL
...should differ by first character, but it does not because of an off-by-one error: SUBSTRING(..., 0, ...) returns empty string for index 0, and for 529126 this 'hides' the first character generated. Fix is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based.
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Removing duplicates in lists
...hable. This means, that this does not work for a list of dictionaries. TypeError: unhashable type: 'dictlist'
– CraZ
May 16 '18 at 17:27
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How do you effectively model inheritance in a database?
... to confusion. "TPT" is supertype-subtype. "TPH" is Unnormalised, a gross error. "TPH" is even less Normalised, another gross error.
– PerformanceDBA
Nov 10 '10 at 21:33
45
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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File "./my_script.py", line 2, in <module>
import json
ImportError: No module named json
The json module doesn't exist in Python 2.5.
One way to guard against that kind of problem is to use the versioned python command names that are typically installed with most Pythons:
$ cat my_...
How to convert a string to lower case in Bash?
...sn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematch;. Unsetting that nocasematch causes [[ "fooBaR" == "FOObar" ]] to match OK BUT inside case weirdly [b-z] are incorrectly matched by [A-Z]. Bash i...
Reconnection of Client when server reboots in WebSocket
...lt:
break;
}
};
websocket.onerror = function(ev){};
websocket.onclose = function(ev) { init(); };
}
share
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improve this answer
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
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105
You can try:
top -bn1 | grep "Cpu(s)" | \
sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | \
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