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Bomb dropping algorithm
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38
There is a way to reduce this to a simple sub-problem.
There are 2 parts to the explanation, th...
Add EBS to Ubuntu EC2 Instance
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answered Jul 18 '12 at 8:38
Eric HammondEric Hammond
20.8k44 gold badges6161 silver badges7272 bronze badges
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Convert list to tuple in Python
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843
It should work fine. Don't use tuple, list or other special names as a variable name. It's pro...
MySQL Query - Records between Today and Last 30 Days
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QuassnoiQuassnoi
369k8181 gold badges571571 silver badges582582 bronze badges
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Format decimal for percentage values?
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428
Use the P format string. This will vary by culture:
String.Format("Value: {0:P2}.", 0.8526) // ...
How exactly does a generator comprehension work?
... it's a generator object
<generator object <genexpr> at 0x7f2ad75f89e0>
>>> len(filtered_gen) # So technically, it has no length
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
>>> #...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...g an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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Python strptime() and timezones?
... from datetime import datetime
In [2]: start_time = datetime.strptime('2018-04-18-17-04-30-AEST','%Y-%m-%d-%H-%M-%S-%Z')
In [3]: print("TZ NAME: {tz}".format(tz=start_time.tzname()))
TZ NAME: None
In [4]: start_time = datetime.strptime('2018-04-18-17-04-30-+1000','%Y-%m-%d-%H-%M-%S-%z')
In [5]: ...
Is there a timeout for idle PostgreSQL connections?
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Hugo Leao
60166 silver badges88 bronze badges
answered Nov 6 '12 at 5:37
Craig RingerCraig Ringer
242k5353 ...