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Difference between open and codecs.open in Python
...ror: 'ascii' codec can't encode characters in position 0-2: ordinal not in range(128)
So here obviously you either explicitly encode your unicode string in utf-8 or you use codecs.open to do it for you transparently.
If you're only ever using bytestrings then no problems:
>>> example =...
What is the difference between --save and --save-dev?
...s are specified in a simple object that maps a package name
to a version range. The version range is a string which has one or
more space-separated descriptors. Dependencies can also be identified
with a tarball or git URL.
Please do not put test harnesses or transpilers in your dependenc...
What is a bus error?
...is basically requires that the memory controller accept all address in its range which would suggest that when the BARs etc are changed, it would have to internally
– Lewis Kelsey
Mar 10 '19 at 5:00
...
Should I always return IEnumerable instead of IList?
...able, prefer returning IList. This ensures that it is usable by the widest range of consumers.
Be loose in what you require, and explicit in what you provide.
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Find the max of two or more columns with pandas
...,
labels=['df.max', 'np.max', 'np.maximum.reduce', 'np.nanmax'],
n_range=[2**k for k in range(0, 15)],
xlabel='N (* len(df))',
logx=True,
logy=True)
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Current time in microseconds in java
...But beware of the inaccuracy of values in the microseconds and nanoseconds range; common computer hardware may not carry a hardware clock tracking time that accurately. A value with six or nine digits of fractional second may not be true.
– Basil Bourque
Sep 20...
Why is Java's AbstractList's removeRange() method protected?
Does anyone have any idea, why removeRange method in AbstractList (and also in ArrayList ) is protected ? It looks like a quite well-defined and useful operation, but still, to use it, we're forced to subclass the List implementation.
...
Compare two Byte Arrays? (Java)
...was unable to find a low level efficient function to perform equality test ranges. I had to whip up my own, if anyone needs it:
public static boolean ArraysAreEquals(
byte[] first,
int firstOffset,
int firstLength,
byte[] second,
int secondOffset,
int secondLength
) {
if( firstLength != s...
Convert two lists into a dictionary
...818815
>>> min(timeit.repeat(lambda: {keys[i]: values[i] for i in range(len(keys))}))
0.8782548159942962
>>>
>>> min(timeit.repeat(lambda: dict([(k, v) for k, v in zip(keys, values)])))
1.077607496001292
>>> min(timeit.repeat(lambda: dict((k, v) for k, v in zip(k...
Why does the C++ STL not provide any “tree” containers?
...don't make any sense for a hierarchy (anything that changes the order of a range, for example). Even defining a range within a hierarchy could be a messy business.
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