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How to validate IP address in Python? [duplicate]
...
Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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Can not connect to local PostgreSQL
... the permissions on the socket file and its directories /var and /var/pgsql_socket. Your Rails app (OSX user) must have execute (x) permissions on these directories (preferably grant everyone permissions) and the socket should have full permissions (wrx). You can use ls -lAd <file> to check t...
How to call a JavaScript function from PHP?
...; EOT
len = print('Hello' + ' ' + 'World!' + "\\n");
len;
EOT;
try {
var_dump($v8->executeString($JS, 'basic.js'));
} catch (V8JsException $e) {
var_dump($e);
}
?>
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FFmpeg on Android
...e generated in step 1, just add a line similar to this to Android.mk: LOCAL_STATIC_LIBRARIES := libavcodec libavformat libavutil libc libz
Use the ffmpeg-wrapping dynamic library from your java sources. There's enough documentation on JNI out there, you should be fine.
Regarding using ffmpeg for p...
How to detect if a property exists on an ExpandoObject?
...blic object this[string key]
{
get
{
object value;
_innerDictionary.TryGetValue(key, out value);
return value;
}
set { _innerDictionary[key] = value; }
}
https://github.com/ASP-NET-MVC/aspnetwebstack/blob/master/src/System.Web.Mvc/ViewDataDictionary.cs
In o...
Is MATLAB OOP slow or am I doing something wrong?
...es of functions and methods. Here are some typical results.
>> call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunct...
What is the difference between Normalize.css and Reset CSS?
...oach and use both and call them in as includes in my SASS imports @import '_normalize' && '_reset'
– killscreen
Jan 27 '18 at 18:17
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Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...esort, I would build up a dictionary like follows:
conditions = {
'new_snow_24': 5.0,
'new_snow_48': 8.5,
'base_depth': 88.0,
'comments': 'Deep and steep!',
'chains_required': True,
}
return simplejson.dumps(conditions) # Encode and dump `conditions` as a JSON string
When tr...
How do I break out of a loop in Perl?
...
Also, works the same for while() loops. my @array = ("_", "apple", "orange"); my $thing; while ($thing = shift @array){ last if $thing =~ /[A-Za-z]/; } print($thing); # "apple"
– HoldOffHunger
Jul 17 '18 at 19:06
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How to handle multiple heterogeneous inputs with Logstash?
...ed. I opened a ticket in Elastic and they recommended me to use tags or add_field instead of type
– BornToCode
Jun 18 '17 at 15:05
...