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Drop data frame columns by name
I have a number of columns that I would like to remove from a data frame. I know that we can delete them individually using something like:
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers
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The compiler Eclipse is using is able to resolve the symbols just fine, so the code will compile fine.
But the code-completion/indexer or preprocessor Eclipse is using doesn't know where stdio.h exists.
You need to specify the filesystem path where stdio.h ...
Laravel blank white screen
My laravel site was working before, I recently upgraded to Apache 2.4 and PHP 5.5.7.
31 Answers
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Getting the closest string match
... multiple strings to a test string and return the string that closely resembles it:
12 Answers
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Setting DEBUG = False causes 500 Error
Once I change the DEBUG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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How to make a background 20% transparent on Android
How do I make the background of a Textview about 20% transparent (not fully transparent), where there is a color in the background (i.e. white)?
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How can I view a git log of just one user's commits?
When using git log , how can I filter by user so that I see only commits from that user?
15 Answers
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How do I get the first n characters of a string without checking the size or going out of bounds?
...ers of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...日志分析相关的技术，主要是ELK（Elasticsearch、Logstash、Kibana），当时是学习+ELK优...【编者的话】我从2014年初入职新浪后就开始接触实时日志分析相关的技术，主要是ELK（Elasticsearch、Logstash、Kibana），当时是学习+ELK优化，接一些...
How to redirect and append both stdout and stderr to a file with Bash?
To redirect stdout to a truncated file in Bash, I know to use:
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