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How do I check the difference, in seconds, between two dates?
...es, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds doesn't give you what you want:
(b-a).seconds
0
...
Why do we use arrays instead of other data structures?
...an offset, the offset specifies how far in memory to look. This provides O(1) access time.
MyArray [5]
^ ^
Pointer Offset
All other data structures either build upon this, or do not use adjacent memory for storage, resulting in poor random access look up time (Though there are ...
How to hide output of subprocess in Python 2.7
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edited Jun 30 '12 at 1:12
answered Jun 29 '12 at 22:15
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Android: upgrading DB version and adding new table
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281
1. About onCreate() and onUpgrade()
onCreate(..) is called whenever the app is freshly installe...
How to reference a file for variables using Bash?
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answered Mar 8 '11 at 4:50
EzraEzra
6,87411 gold badge1919 silver badges2727 bronze badges
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Python unittests in Jenkins?
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174
sample tests:
tests.py:
# tests.py
import random
try:
import unittest2 as unittest
exce...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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106
A simple approach would be to check how many digits are output by Integer.toHexString() and ad...
What does `kill -0 $pid` in a shell script do?
...gnal does '0' represent, because here I see SIGNAL numbers starting from 1.
6 Answers
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are
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130
From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts o...
pyplot axes labels for subplots
...e common labels.
import random
import matplotlib.pyplot as plt
x = range(1, 101)
y1 = [random.randint(1, 100) for _ in xrange(len(x))]
y2 = [random.randint(1, 100) for _ in xrange(len(x))]
fig = plt.figure()
ax = fig.add_subplot(111) # The big subplot
ax1 = fig.add_subplot(211)
ax2 = fig.add_s...