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Opening port 80 EC2 Amazon web services [closed]
... Also, check your firewall (as nsof stated). RHEL has iptables started by default. Windows has windows FW. Turn them off and see if that was the problem. If it was, then edit the firewall to allow 80/443 and restart
– Andrew Backer
Feb 28 '14 at ...
How do you do a ‘Pause’ with PowerShell 2.0?
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The solutions like cmd /c pause cause a new command interpreter to start and run in the background. Although acceptable in some cases, this isn't really ideal.
The solutions using Read-Host force the user to press Enter and are not really "any key".
This solution will give you a true "pres...
Reading a file line by line in Go
... if err != nil {
return err
}
defer file.Close()
// Start reading from the file with a reader.
reader := bufio.NewReader(file)
var line string
for {
line, err = reader.ReadString('\n')
if err != nil && err != io.EOF {
break
...
Is Tomcat running?
...a pid file may not exist, it depends on the environment and how tomcat was started. See this answer to create a pid file on startup.
– Alberto de Paola
Sep 25 '16 at 1:59
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What is this Javascript “require”?
...he code balloons to something larger than a university coding exercise and starts to involve more than 1 person. Which is why we have been using them since, like, forever.
– David Tonhofer
Nov 1 '17 at 16:54
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What exactly is Heroku?
I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
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Android studio logcat nothing to show
...
Restarting logcat helps me always.
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc
...pqrstuvwxyz
^ ^
n n+10
By offsetting by 10 the characters start at a instead of 0.
Not entirely sure about how fast running the two different examples client-side would compare though.
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How to write LDAP query to test if user is member of a group?
...existing groups and add them back in again). If you enabled the overlay to start with, when the database was empty then you should be OK.
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Convert JSON string to dict using Python
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When I started using json, I was confused and unable to figure it out for some time, but finally I got what I wanted
Here is the simple solution
import json
m = {'id': 2, 'name': 'hussain'}
n = json.dumps(m)
o = json.loads(n)
p...