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What is the entry point of swift code execution?
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In the AppDelegate.swift file you can see @UIApplicationMain.
The AppDelegate is the initial en...
javascript set a variable if undefined
...efined. It would therefore not only match undefined but also null, false, 0, NaN, "" (but not "0").
If you want to set to default only if the variable is strictly undefined then the safest way is to write:
var x = (typeof x === 'undefined') ? your_default_value : x;
On newer browsers it's actu...
How can I find script's directory with Python? [duplicate]
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edited Nov 12 '16 at 8:07
answered Feb 19 '12 at 16:10
C...
How to state in requirements.txt a direct github source
... point to particular commit:
-e git://github.com/mozilla/elasticutils.git@000b14389171a9f0d7d713466b32bc649b0bed8e#egg=elasticutils
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How can I use speech recognition without the annoying dialog in android phones
... FemiFemi
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How to find if a given key exists in a C++ std::map
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edited Aug 28 '13 at 9:05
answered Dec 21 '09 at 12:58
a...
Check for changes to an SQL Server table?
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answered Aug 2 '08 at 5:20
Jon GallowayJon Galloway
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Inheriting from a template class in c++
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For understanding templates, it's of huge advantage to get the terminology straight because the ...
How to create a bash script to check the SSH connection?
...h -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty st...
stop all instances of node.js server
...ess ID, then send a kill signal to it. So in your case, where the port is 8080, you could run the following:
C:\>netstat -ano | find "LISTENING" | find "8080"
The fifth column of the output is the process ID:
TCP 0.0.0.0:8080 0.0.0.0:0 LISTENING 14828
TCP ...