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Fast way of finding lines in one file that are not in another?
I have two large files (sets of filenames). Roughly 30.000 lines in each file. I am trying to find a fast way of finding lines in file1 that are not present in file2.
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Bin size in Matplotlib (Histogram)
... rounded down due to floating point precision. E.g. for desired_bin_size=0.05, min_boundary=0.850, max_boundary=2.05 the calculation of n_bins becomes int(23.999999999999993) which results in 23 instead of 24 and therefore one bin too few. A rounding before integer conversion worked for me: n_bins =...
Zoom to fit all markers in Mapbox or Leaflet
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var markerArray = [];
markerArray.push(L.marker([51.505, -0.09]));
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var group = L.featureGroup(markerArray).addTo(map);
map.fitBounds(group.getBounds());
share
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improve th...
.rar, .zip files MIME Type
... return TRUE;
}
// ZIP magic number: none, though PK\003\004, PK\005\006 (empty archive),
// or PK\007\008 (spanned archive) are common.
// http://en.wikipedia.org/wiki/ZIP_(file_format)
if ($ext == '.zip' and substr($bytes, 0, 2) == 'PK') {
return TRUE;
}
retu...
Is there a zip-like function that pads to longest length in Python?
Is there a built-in function that works like zip() but that will pad the results so that the length of the resultant list is the length of the longest input rather than the shortest input?
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What are “connecting characters” in Java identifiers?
...t words.
http://www.fileformat.info/info/unicode/category/Pc/list.htm
U+005F _ LOW LINE
U+203F ‿ UNDERTIE
U+2040 ⁀ CHARACTER TIE
U+2054 ⁔ INVERTED UNDERTIE
U+FE33 ︳ PRESENTATION FORM FOR VERTICAL LOW LINE
U+FE34 ︴ PRESENTATION FORM FOR VERTICAL WAVY LOW LINE
U+FE4D ﹍ DASHED LOW LINE
U+...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...以触发。
初始化一个副本集时。
副本集和主节点断开连接，可能是网络问题。
主节点挂掉。
选举还有个前提条件，参与选举的节点数量必须大于副本集总节点数量的一半，如果已经小于一半了所有节点保持只读状态。
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Longest line in a file
...vinderSingh13
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answered Oct 31 '09 at 20:13
Pale Blue DotPale Blue Dot
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Efficiency of Java “Double Brace Initialization”?
...he problem when I get too carried away with anonymous inner classes:
2009/05/27 16:35 1,602 DemoApp2$1.class
2009/05/27 16:35 1,976 DemoApp2$10.class
2009/05/27 16:35 1,919 DemoApp2$11.class
2009/05/27 16:35 2,404 DemoApp2$12.class
2009/05/27 16:...
Flatten an irregular list of lists
...en covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
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