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How can I delete the current line in Emacs?
...lest way to delete (kill) a full line, from any point
on the line, without selecting anything, is:
C-w ; kill-region
It is versatile in deleting whatever is selected, or a line by default
if nothing is selected.
Given the question, you're probably also interested in replicating
Vim's "yank", yy...
Installing PG gem on OS X - failure to build native extension
...
Same error for me and I didn't experience it until I downloaded OS X 10.9 (Mavericks). Sigh, another OS upgrade headache.
Here's how I fixed it (with homebrew):
Install another build of Xcode Tools (typing brew update in the terminal will p...
How to get the primary IP address of the local machine on Linux and OS X? [closed]
...
Use grep to filter IP address from ifconfig:
ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'
Or with sed:
ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p'
I...
Thread context switch Vs. process context switch
...ching which is shortly mentioned here: youtu.be/3akTtCu_F_k?t=46m8s (watch from the beginning to know more about Virtual Memory, page tables and TLB).
– piotrwest
Jun 24 '16 at 23:05
...
How to run Unix shell script from Java code?
It is quite simple to run a Unix command from Java.
17 Answers
17
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Create empty file using python [duplicate]
...fter the open() statement finished - but it's cleaner to do it explicitely and relying on CPython-specific behaviour is not good either.
In case you want touch's behaviour (i.e. update the mtime in case the file exists):
import os
def touch(path):
with open(path, 'a'):
os.utime(path, N...
No internet on Android emulator - why and how to fix? [closed]
...Names.
Press menu button. an option menu will appear.
from the option menu select New APN.
Click on Name. provide name to apn say My APN.
Click on APN. Enter www.
Click on Proxy. enter your proxy server IP. you can get it from internet explorers internet options menu.
click on Port. enter port numbe...
Twitter bootstrap scrollable table
...able;
table-layout: fixed;
}
table{
height:300px; // <-- Select the height of the table
display: -moz-groupbox; // Firefox Bad Effect
}
tbody{
overflow-y: scroll;
height: 200px; // <-- Select the height of the body
width: 100%;
position: absolute;
}...
How to fix Terminal not loading ~/.bashrc on OS X Lion [closed]
...
From man bash: -s file True if file exists and has a size greater than zero.
– ckruse
Jan 6 '13 at 11:55
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Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio
...ncomment it (remove the #).
Download and install the latest MySQL version from mysql.com. Choose the x86_64 version for Intel (unless your Intel Mac is the original Macbook Pro or Macbook, which are not 64 bit chips. In those cases, use the 32 bit x86 version).
Install all the MySQL components. Us...