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Max length for client ip address [duplicate]
... IPv4 uses 4 groups of 1 byte and is formatted as 4 decimal numbers in the range 0-255 separated by dots (the . character), so the maximum is DDD.DDD.DDD.DDD).
The correct maximum IPv6 string length, therefore, is 45.
This was actually a quiz question in an IPv6 training I attended. (We all answe...
Merge / convert multiple PDF files into one PDF
...directory and their order is preserved by "*". If its not preserved, using ranges: filename_{0..9}.pdf solves it.
– lepe
Jan 5 '15 at 5:48
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can you host a private repository for your organization to use with npm?
... Note: NPM currently doesn't not support specifying a version range with these git URLs (e.g. 1.2.x or ^1.2.3). github.com/npm/npm/issues/3328
– Clay
Feb 3 '16 at 17:21
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When are C++ macros beneficial? [closed]
...printf("Cookie: %s", cookies[i]);
Since C++11, this is superseded by the range-based for loop.
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Removing colors from output
...l, but I think it is mean to be an "at least one" modifier of the previous range.
– halfer
Aug 11 at 20:20
@halfer, wh...
Matplotlib scatter plot with different text at each data point
...t without markers. In version 2.0 you'll need ax.scatter to set the proper range and markers for text.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y...
Didn't Java once have a Pair class? [duplicate]
... suggest to write special classes (which isn't that hard) like Point(x,y), Range(start, end) or Map.Entry(key, value).
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...eError: 'ascii' codec can't decode byte 0xc3 in position 0: ordinal not in range(128)
The failure comes from the fact that author does not contain only ASCII bytes (i.e. with values in [0; 127]), and unicode() decodes from ASCII by default (on many machines).
A robust solution is to explicitly gi...
Best way to alphanumeric check in JavaScript
...regexen don't have POSIX character classes, so you have to write character ranges manually:
if (!input_string.match(/^[0-9a-z]+$/))
show_error_or_something()
Here ^ means beginning of string and $ means end of string, and [0-9a-z]+ means one or more of character from 0 to 9 OR from a to z.
Mor...
Remove trailing zeros
...tes "The scaling factor is implicitly the number 10, raised to an exponent ranging from 0 to 28", which I understand as the decimal number will have at most 28 digits past the decimal point. Any number of zeros >= 28 should work.
– Thomas Materna
Oct 9 '12 a...