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How to get terminal's Character Encoding
...or I/O. The terminal emulator itself has no knowledge of them whatsoever, and its currently effective character encoding is a setting somewhere within the emulator program (a data member inside a libvte class in the case of GNOME Terminal).
– JdeBP
Oct 31 '17 ...
Remove duplicated rows using dplyr
...mple(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_number(z) == 1)
## Source: local data frame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need...
How to bind a List to a ComboBox?
I want to connect a BindingSource to a list of class objects and then objects value to a ComboBox.
Can anyone suggest how to do it?
...
PostgreSQL wildcard LIKE for any of a list of words
...o you know it ? most of documentation I've read says that regex are slower and a LIKE %...
– DestyNova
Jul 24 '15 at 14:26
5
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Is there a simple way to remove unused dependencies from a maven pom.xml?
I have a large Maven project with many modules and many pom.xml files. The project has changed and I suspect the pom's contain some unnecessary dependencies. Is there is a command which removes any unused dependencies from a pom?
...
What are the advantages of using a schema-free database like MongoDB compared to a relational databa
I'm used to using relational databases like MySQL or PostgreSQL, and combined with MVC frameworks such as Symfony, RoR or Django, and I think it works great.
...
How to properly assert that an exception gets raised in pytest?
...
There are two ways to handle these kind of cases in pytest:
Using pytest.raises function
Using pytest.mark.xfail decorator
As the documentation says:
Using pytest.raises is likely to be better for cases where you are testing exceptions your ow...
log4net vs. Nlog
...I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
Use a logging facade (e.g. ...
Temporarily disable some plugins using pathogen in vim.
...rbert is better suited for my situation, since I do have a lot of ftplugin and such. Thanks for answering, your solution is goign to be used in boxes I can't have pathogen installed.
– Somebody still uses you MS-DOS
Nov 25 '10 at 13:42
...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
...