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Safe (bounds-checked) array lookup in Swift, through optional bindings?
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Nikita KukushkinNikita Kukushkin
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How can I kill a process by name instead of PID?
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edited Jun 27 '14 at 17:08
joshtch
1701010 bronze badges
answered Oct 2 '08 at 4:58
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How do you delete a column by name in data.table?
... copy of it), Methods 1, 2a, and 2b are really the best options.
# Method 4:
df3[, .SD, .SDcols = !patterns("^foo$")]
Lastly there are approaches using with=FALSE, though data.table is gradually moving away from using this argument so it's now discouraged where you can avoid it; showing here so...
Table fixed header and scrollable body
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Roko C. BuljanRoko C. Buljan
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How to replace a character by a newline in Vim
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edited Aug 31 at 13:48
answered Sep 16 '08 at 11:21
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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从上图中我们可以看到，算法是被模块化的，通过1,2,3,4的过程进行方法调用。
程序代码：
public class UserCF {
final static int NEIGHBORHOOD_NUM = 2;
final static int RECOMMENDER_NUM = 3;
public static void main(String[] args) throws IOExcept...
What do people think of the fossil DVCS? [closed]
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answered Oct 3 '08 at 13:48
Richard HippRichard Hipp
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Force “git push” to overwrite remote files
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answered May 9 '12 at 5:48
Trevor NorrisTrevor Norris
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...arenthesis according to the comment.
http://web.archive.org/web/20150206070451/http://islandlinux.org/howto/generate-random-numbers-bash-scripting
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How can the Euclidean distance be calculated with NumPy?
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Nicolas Gervais
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answered Sep 9 '09 at 20:12
u0b34a0f6aeu0b34a0f6ae
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