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Python: Ignore 'Incorrect padding' error when base64 decoding
...:returns: The decoded byte string.
"""
data = re.sub(rb'[^a-zA-Z0-9%s]+' % altchars, b'', data) # normalize
missing_padding = len(data) % 4
if missing_padding:
data += b'='* (4 - missing_padding)
return base64.b64decode(data, altchars)
Tests for this function: weasypr...
Using GCC to produce readable assembly?
...lt;puts@plt>
80483e1: b8 00 00 00 00 mov $0x0,%eax
80483e6: 83 c4 04 add $0x4,%esp
80483e9: 59 pop %ecx
80483ea: 5d pop %ebp
80483eb: 8d 61 fc lea -0x4(%ecx),%esp
80483ee: c3 ...
How to delete a row by reference in data.table?
... is all i care about here. something like this:
DT = data.table(col1 = 1:1e6)
cols = paste0('col', 2:100)
for (col in cols){ DT[, (col) := 1:1e6] }
keep.idxs = sample(1e6, 9e5, FALSE) # keep 90% of entries
DT.subset = data.table(col1 = DT[['col1']][keep.idxs]) # this is the subsetted table
for (col...
Is MD5 still good enough to uniquely identify files?
...parison. What I mean is that it is meaningless to go beyond some 99.999....9% certainty, and SHA-256 already provides more than that.
– Thomas Pornin
Oct 27 '10 at 16:16
2
...
How to get the current time in milliseconds from C in Linux?
...LTIME, &spec);
s = spec.tv_sec;
ms = round(spec.tv_nsec / 1.0e6); // Convert nanoseconds to milliseconds
if (ms > 999) {
s++;
ms = 0;
}
printf("Current time: %"PRIdMAX".%03ld seconds since the Epoch\n",
(intmax_t)s, ms);
}
If your goal is to...
How does this giant regex work?
...jcRdJgB7597+xtctMYcQGOLcx1Yas7IcfWJlx7HpKhcHIMBDBf4hpNZLaLA7nLnaHC4ML8yVtDF95LaFn4sAPFjDKGLQPvJbfv37fPT6t1qubWCCQYC28qUUllwKcVWx4twGDQCs+Tr0b/FiKnKHbnQQDFz7S0Bjh0FBfiX9LAy9yYHLpyu6PDOBMKs80DmAA9RcDhAU4eCrLwZBq2T41K1K80x8PvLCsJRCqfCxUE1E/zoZ6mdA2OGX4Th9Y8+ICp8gN+KVAiPNLy2EFmGAxfD0HUN+dlilpvXEJ0yGzN2z...
What characters do I need to escape in XML documents?
... as & unless & is starting an &entity;.
Attribute Values (9% important to remember)
attr=" 'Single quotes' are ok within double quotes."
attr=' "Double quotes" are ok within single quotes.'
Escape " as " and ' as ' otherwise.
Comments, CDATA, and Processing Inst...
Which characters are valid in CSS class names/selectors?
...ats.php IE6 is now used by less than 3% of users, behind IE9 on 4%, IE7 on 9%, IE8 on 22%. All versions of Firefox have 28%, all versions of Chrome have 17%.
– Daniel Earwicker
Jun 15 '11 at 13:49
...
Moving average or running mean
...n with only 100,000 points
np.random.seed(42)
x = np.random.randn(100000)+1e6
y1 = running_mean_convolve(x, 10)
y2 = running_mean_cumsum(x, 10)
assert np.allclose(y1, y2, rtol=1e-12, atol=0)
the more points you accumulate over the greater the floating point error (so 1e5 points is noticable, 1e6 ...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
安装安装
1、下载下载
ftp://ftp.zebra.org/pub/zebra/zebra-0.95a.tar.gz 2、安装过程安装过程
[root@RS1 mnt]# gunzip zebra-0.95a.tar.gz
[root@RS1 mnt]# tar xvf zebra-0.95a.tar
会在当前目录下自动生成一个zebra-0.95a子目录，进入zebra-0.95a目录后执行以...