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How to remove the border highlight on an input text element
.../tabbed into), many browsers (at least Safari and Chrome) will put a blue border around it.
17 Answers
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
... the program from opening files, or network connections, or forking, exec, etc?
11 Answers
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
...erts to ~/.wgetrc file.
You can also fix that by running ln -sT /usr/ssl /etc/ssl as pointed out in another answer, but that will work only if you have administrative access to the system. Other solutions I described do not require that.
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What is scope/named_scope in rails?
... scope :fresh, -> { where('age < ?', 25) }
scope :recent, -> { order(created_at: :desc) }
end
And you call
Zombie.rotting.fresh.recent.limit(3)
It translates to the below in SQL,
select "zombies.*" from "zombies" where "zombies"."rotting" = 't' and (age<20) order by create_at de...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
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Perhaps it is because the order of items in a list in Python are persistent whereas the ordering of items in a dictionary are not. You can instantiate a DataFrame with an empty dictionary. In principle I suppose a single-row DataFrame as shown here wo...
How to print the contents of RDD?
...ion is to write in multiple files in HDFS, then use hdfs dfs --getmerge in order to merge the files
– Oussama
Jul 21 '15 at 16:10
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How to iterate through SparseArray?
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Is this guaranteed to be in key order?
– HughHughTeotl
Apr 27 '19 at 20:53
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oracle top 替代方案 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...案由于Oracle不支持select top 语句，所以在Oracle中经常是用order by 跟 rownum的组合来实现select top n的查询。select * from (...由于Oracle不支持select top 语句，所以在Oracle中经常是用order by 跟 rownum 的组合来实现select top n的查询。
select * f...
What are Aggregates and PODs and how/why are they special?
...f the array elements we will initialize the non-static data members in the order of their appearance in the class definition (they are all public by definition). If there are fewer initializers than members, the rest are value-initialized. If it is impossible to value-initialize one of the members w...
How do I remove duplicate items from an array in Perl?
...een; grep !$seen{$_}++, @_ } is a better implementation since it preserves order at no cost. Or even better, use the one from List::MoreUtils.
– ikegami
Nov 6 '12 at 18:51
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