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How do I use su to execute the rest of the bash script as that user?
...y case (I just wanted to drop root privileges and do the rest of my script from restricted user): you can make the script restart itself from correct user. Let's suppose it is run as root initially. Then it will look like this:
#!/bin/bash
if [ $UID -eq 0 ]; then
user=$1
dir=$2
shift 2 # ...
What's the idiomatic syntax for prepending to a short python list?
...eally only efficient for rather short lists, as you ask.
Here's a snippet from the CPython source where this is implemented - and as you can see, we start at the end of the array and move everything down by one for every insertion:
for (i = n; --i >= where; )
items[i+1] = items[i];
If you...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...e attacks abound)
use makecert to create a root CA and
create certificates from that (ok
move, but there is still no CRL)
create an internal root CA using
Windows Certificate Server or other
PKI solution then trust that root
cert (a bit of a pain to manage)
purchase an SSL certificate from one
of t...
Unexpected Caching of AJAX results in IE8
I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.
10 Answers
...
Prevent automatic browser scroll on refresh
...ing and then remove the bound event. This prevents subsequent page scrolls from borking the system.
$(document).ready(function() {
if (window.location.hash) {
//bind to scroll function
$(document).scroll( function() {
var hash = window.location.hash
var ...
“is” operator behaves unexpectedly with integers
... that’s mysterious, but I guess it’s for (dis)assembling integers into/from bytes.
– Davis Herring
Jan 27 '18 at 1:56
...
What is simplest way to read a file into String? [duplicate]
...tring(File, Charset)
Using the given character set, reads all characters from a file into a String
List<String> readLines(File, Charset)
... reads all of the lines from a file into a List<String>, one entry per line
Apache Commons/IO
org.apache.commons.io.IOUtils also offer simi...
When to use Windows Workflow Foundation? [closed]
...as the code that you write to do exactly what you need it to do. Stay away from WF.
Of course, this is only my opinion, but I think it's a damn good one. :)
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How to force garbage collection in Java?
...n using a nifty little trick with WeakReference objects.
RuntimeUtil.gc() from the jlibs:
/**
* This method guarantees that garbage collection is
* done unlike <code>{@link System#gc()}</code>
*/
public static void gc() {
Object obj = new Object();
WeakRefer...
Defining an abstract class without any abstract methods
...e if derivations of that class will have different contractual obligations from those of other derivations of the parent.
– supercat
Dec 29 '13 at 16:41
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