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In PHP, why does not show a parse error?
...t;? ... ?> (known as short_open_tag)
<?php ... ?> (the standard really)
<script language="php"> ... </script> (not recommended)
<% ... %> (deprecated and removed ASP-style tag after 5.3.0)
Apparently, you can open a PHP block one way, and close it the other. Didn't know ...
Import pandas dataframe column as string not int
...import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
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Vim: How do you open another [No Name] buffer like the one on startup?
...user can save to a file of her/his choosing, just like the initial buffer called [No Name] . How can I do this?
3 Answers
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How do I create a pylintrc file
...n here, we can use the following command to generate a pylint rc file with all its options present:
pylint --generate-rcfile > $HOME/.pylintrc
The above command will create the file .pylintrc under your home directory. Then you can tweak the rc file to fit your needs.
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Add column to SQL Server
...erver 2008 the first one is a metadata only change. The second will update all rows.
In SQL Server 2012+ Enterprise edition the second one is a metadata only change too.
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Converting String array to java.util.List
...>(Arrays.asList(new String[]{"one", "two", "three"}));
This will copy all elements from the source array into a new list (complexity: O(n))
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What is the size of an enum in C?
...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...
Convert UNIX epoch to Date object
...16:32:00 CST"
R> anydate(1352068320)
[1] "2012-11-04"
R>
Note how all this works without any format or origin arguments.
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Turn Pandas Multi-Index into column
...he parameter is drop=False (which will keep the index values as columns).
All you have to do add .reset_index(inplace=True) after the name of the DataFrame:
df.reset_index(inplace=True)
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Why does this go into an infinite loop?
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Note: Originally I posted C# code in this answer for purposes of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt...