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Importing CSV with line breaks in Excel 2007
...have differently depending on whether a CSV file is imported by opening it from the File->Open menu or by double-clicking on the file in Explorer.
I have a CSV file that is in UTF-8 encoding and contains newlines in some cells. If I open this file from Excel's File->Open menu, the "import CSV...
Convert columns to string in Pandas
...cated dtype.
object dtype breaks dtype-specific operations like DataFrame.select_dtypes(). There isn’t a clear way to select just text
while excluding non-text but still object-dtype columns.
When reading code, the contents of an object dtype array is less clear than 'string'.
See also the se...
Growing Amazon EBS Volume sizes [closed]
...ive it the same Id (83):
$ sudo fdisk /dev/xvdf
Command (m for help): d
Selected partition 1
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1):
Using default value 1
First sector (2048-4...
Network usage top/htop on Linux
...
Not to detract from Oli's contribution - ntop has multiple dependencies (gdbm, rrdtool, everything rrdtool requires), and while it's a useful tool if you have a long-term need to store and query. If you literally just want 'top, but for net...
How to save username and password with Mercurial?
...u want a secure option, but aren't familiar with SSH, why not try this?
From the docs ...
The extension prompts for the HTTP password on the first pull/push
to/from given remote repository (just like it is done by default), but
saves the password (keyed by the combination of username and ...
Using scanner.nextLine() [duplicate]
...
I think your problem is that
int selection = scanner.nextInt();
reads just the number, not the end of line or anything after the number. When you declare
String sentence = scanner.nextLine();
This reads the remainder of the line with the number on it (...
Symbolic link to a hook in git
...k changes in .git/hooks), somewhere I read that I can make a symbolic link from hooks to .git/hooks so I don't have to copy the file from one folder to the other every time someone changes it so I tried:
...
Landscape printing from HTML
...y seem to work in IE7 but this is because IE7 will remember the users last selection of landscape or portrait in print preview (only the browser is re-started).
This article does have some suggested work arounds using JavaScript or ActiveX that send keys to the users browser although it they are no...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
... PersonRepository extends JpaRepository<Person, Long> {
@Query("SELECT p FROM Person p JOIN FETCH p.roles WHERE p.id = (:id)")
public Person findByIdAndFetchRolesEagerly(@Param("id") Long id);
}
This method will use JPQL's fetch join clause to eagerly load the roles association in a...
Tricks to manage the available memory in an R session
...
I make aggressive use of the subset parameter with selection of only the required variables when passing dataframes to the data= argument of regression functions. It does result in some errors if I forget to add variables to both the formula and the select= vector, but it sti...