大约有 34,900 项符合查询结果（耗时：0.0245秒） [XML]
How to make a new List in Java
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Zoe
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answered May 13 '09 at 15:15
Dan VintonDan Vi...
Delete the first three rows of a dataframe in pandas
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Acumenus
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answered May 6 '13 at 12:04
bdiamantebdiamante
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How to set up a cron job to run an executable every hour?
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0 * * * * cd folder_containing_exe && ./exe_name
should work unless there is something else that needs to be setup for the program to run.
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Auto select file in Solution Explorer from its open tab
...iles in Visual Studio 2010 are opened in many tabs, while massively working on a project. Many times, I find myself right-clicking on a tab title and searching for Show/Select/Scroll-to this file in Solution Explorer , and I can't find it.
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How do I comment out a block of tags in XML?
How do I comment out a block of tags in XML?
7 Answers
7
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When should I use genetic algorithms as opposed to neural networks? [closed]
...es) to determine when to use genetic algorithms as opposed to neural networks (and vice-versa) to solve a problem?
8 Answer...
When would you call java's thread.run() instead of thread.start()?
...ed Nov 4 '08 at 18:26
Paul CroarkinPaul Croarkin
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How many levels of pointers can we have?
... edited Apr 20 '12 at 15:24
Sklivvz
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answered Apr 10 '12 at 10:45
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Repair all tables in one go
How to check all the tables in the database in one go?
10 Answers
10
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How to log something in Rails in an independent log file?
...any model. Just pass the file name to the constructor and use the object like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
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