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How can I remove specific rules from iptables?
...ks this way:
1. Add temporary rule with some comment:
comment=$(cat /proc/sys/kernel/random/uuid | sed 's/\-//g')
iptables -A ..... -m comment --comment "${comment}" -j REQUIRED_ACTION
2. When the rule added and you wish to remove it (or everything with this comment), do:
iptables-save | grep -v...
Empty arrays seem to equal true and false at the same time
...
@Devy all objects in JavaScript are truthy, so the convert any objects to Boolean is true. See 2ality.com/2013/08/objects-truthy.html
– Thomson
Oct 17 '16 at 21:27
...
Convert to/from DateTime and Time in Ruby
How do you convert between a DateTime and a Time object in Ruby?
6 Answers
6
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How to get current date & time in MySQL?
...g / search / comparison performance.
UNIX_TIMESTAMP()
One can always convert to human readable formats afterwards, internationalizing as is individually most convenient.
FROM_ UNIXTIME (unix_timestamp, [format ])
sha...
Convert PEM to PPK file format
Is there a way to convert PEM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity).
...
How do you configure Django for simple development and deployment?
....py file under my Django project, along with any default settings:
import sys
import os.path
def _load_settings(path):
print "Loading configuration from %s" % (path)
if os.path.exists(path):
settings = {}
# execfile can't modify globals directly, so we will load them manually
...
How do I convert dates in a Pandas data frame to a 'date' data type?
...
The pandas timestamp have both date and time. Do you mean convert it into python date object?
– waitingkuo
May 31 '13 at 8:42
7
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Java String remove all non numeric characters
...() are duplicates. Also if you see an answer in comment you can ask mod to convert it to an answer or even add an answer on your own - answers in comments are discouraged on StackOverlow.
– Boris Treukhov
Jan 31 '18 at 17:20
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How do I call ::std::make_shared on a class with only protected or private constructors?
...ivate ctor and a create method returning a raw pointer, and I am trying to convert them to smart pointers.
– zahir
Aug 11 '15 at 7:09
2
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Why is “import *” bad?
...clare a new variable. That’s a crucial piece of information for the type system. You say that modern IDEs solve the mistyping problem but that’s simply wrong, and in fact this is a substantial problem in non statically compiled languages, which is why Perl added use strict (JavaScript var). As a...