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How to increase the vertical split window size in Vim
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:res <N> to set the current window size to exactly N rows (for height not width)
– lukecampbell
Apr 30 '13 at 16:43
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What is a 'semantic predicate' in ANTLR?
... editor after snippets, if snippets enabled
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How to implement __iter__(self) for a container object (Python)
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If your object contains a set of data you want to bind your object's iter to, you can cheat and do this:
>>> class foo:
def __init__(self, *params):
self.data = params
def __iter__(self):
if hasattr(self.data[0], "...
How to remove last n characters from every element in the R vector
... the answer by @nfmcclure, I prefer using stringr package as it provdies a set of functions whose names are most consistent and descriptive than those in base R (in fact I always google for "how to get the number of characters in R" as I can't remember the name nchar()).
library(stringr)
str_sub(i...
Selecting/excluding sets of columns in pandas [duplicate]
...D from df:
df2 = df[df.columns.difference(['B', 'D'])]
Note that it's a set-based method, so duplicate column names will cause issues, and the column order may be changed.
Advantage over drop: you don't create a copy of the entire dataframe when you only need the list of columns. For instance,...
Handling InterruptedException in Java
...ur method. You should therefore log the fact an interruption took place by setting the interrupted flag: Thread.currentThread().interrupt()
Example: The user has asked to print a sum of two values. Printing "Failed to compute sum" is acceptable if the sum can't be computed (and much better than...
Does Eclipse have line-wrap
...va source files. Here's how and where:
Comment width and line wrapping is set in Preferences->Java->Code Style->Formatter, then click on the Edit button and select the Comments tab. I like Line Width for Comments to be 120.
Code line wrapping is set nearby, in Preferences->Java->C...
Creating hard and soft links using PowerShell
...eating symlinks without account elevation, if Developer mode is enabled in Settings, New-Item doesn't. Hopefully in next update.
– papo
Jun 29 '17 at 1:46
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Recompile Heroku slug without push or config change
... FYI for me this solution did not work when I had a new ENV value for a setting in a js file that gets compiled into the Rails application.js. It took committing a space to the js file and a push to get the asset to actually recompile.
– Josh Diehl
Oct 14 '...
How to identify server IP address in PHP
...ig wlan0 | ...". This script is by no means perfect but it works in simple settings and it demonstrates how to do this in principle, to be adjusted as needed.
– Dom
May 24 '17 at 7:36
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