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How to tell if node.js is installed or not
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Your OS is either 32-bit or 64-bit. When you install nodejs it picks the matching version.
– arikin
Apr 2 '15 at 7:50
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Using awk to remove the Byte-order mark
...answered Jul 1 '09 at 11:45
BartoszBartosz
5,28733 gold badges2323 silver badges1616 bronze badges
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vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and r...
How to print a linebreak in a python function?
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You can print a native linebreak using the standard os library
import os
with open('test.txt','w') as f:
f.write(os.linesep)
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Increasing the maximum number of TCP/IP connections in Linux
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The ephermal port range defines the maximum number of outbound sockets a host can create from a particular I.P. address. The fin_timeout defines the minimum time these sockets will stay in TIME_WAIT state (unusable after being used once).
Usual system defaults are:
net.ipv4.ip_local_port_range = ...
How set background drawable programmatically in Android
...nother way to achieve it is to use the following:
final int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) );
} else {
layout.setBackground(ContextCompat.getDr...
Clean way to launch the web browser from shell script?
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xdg-open is standardized and should be available in most distributions.
Otherwise:
eval is evil, don't use it.
Quote your variables.
Use the correct test operators in the correct way.
Here is an example:
#!/bin/bash
if which xdg-open > /dev/null
then
xdg-open URL
eli...
Is MonoTouch now banned on the iPhone? [closed]
A recent post by John Gruber notes that the following legalese:
18 Answers
18
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Sublime Text 2 multiple line edit
...s relative to where they are, so they are still not uniformly at the same position in the line. how do i get all the cursors at the start of the line? (for context, i am just trying to add [space]*[space] at the beginning of each line).
– user1063287
Aug 14 '...
File changed listener in Java
...the application restarts.
You can use the libraries from such servers as most of the code of tomcat is reusable and opensource.
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