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What's the idiomatic syntax for prepending to a short python list?

list.append() is the obvious choice for adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is ...
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Is R's apply family more than syntactic sugar?

...onds for vapply. – Cole Jan 1 at 16:05 add a comment  |  ...
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What’s the best way to check if a file exists in C++? (cross platform)

... | edited May 28 '12 at 7:05 lnafziger 25.5k88 gold badges5858 silver badges9898 bronze badges answered ...
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Multiplication on command line terminal

I'm using a serial terminal to provide input into our lab experiment. I found that using 8 Answers ...
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How to overcome root domain CNAME restrictions?

...uld be present; And Per IETF 'Common DNS Operational and Configuration Errors' Document: This is often attempted by inexperienced administrators as an obvious way to allow your domain name to also be a host. However, DNS servers like BIND will see the CNAME and refuse to add any o...
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How to find patterns across multiple lines using grep?

... to (\n|.)* and the latter is shorter. Moreover on my system, "pcre_exec() error -8" occurs when I run the longer version. So try 'abc(\n|.)*efg' instead! – daveagp Feb 7 '13 at 0:52 ...
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Limitations of Intel Assembly Syntax Compared to AT&T [closed]

To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default. ...
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Iterating over Java collections in Scala

I'm writing some Scala code which uses the Apache POI API. I would like to iterate over the rows contained in the java.util.Iterator that I get from the Sheet class. I would like to use the iterator in a for each style loop, so I have been trying to convert it to a native Scala collection but ...
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...等号过程。图2-9 调用点击等号过程四、代码测试及说明连接手机进行测试,按照设定的规范操作计算器,计算结果正确。这里我们创建了3个过程——点击数字、点击算符及点击等号,这三个过程是本程序中仅有的三个过程,在...
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How to copy from CSV file to PostgreSQL table with headers in CSV file?

... Got syntax error at or near "HEADER" LINE 2: delimiter ',' CSV HEADER on aws redshift. – Mithril Jan 5 '19 at 9:32 ...