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How can i use iptables on centos 7? [closed]
... CentOS 7, firewalld was introduced to manage iptables. IMHO, firewalld is more suited for workstations than for server environments.
It is possible to go back to a more classic iptables setup. First, stop and mask the firewalld service:
systemctl stop firewalld
systemctl mask firewalld
Then, in...
how can you easily check if access is denied for a file in .NET?
...een when you check the file and when you try to open it. A change is even more likely if you're in an area where you know you need to check first. Yet strangely enough it will never happen in your testing or development environments, which tend to be fairly static. This makes the problem difficul...
simulate background-size:cover on or
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How is malloc() implemented internally? [duplicate]
...shared memory, mmap is how you do it).
So you have two methods of getting more memory from the kernel: sbrk and mmap. There are various strategies on how to organize the memory that you've got from the kernel.
One naive way is to partition it into zones, often called "buckets", which are dedicated...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
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e.remove() is way more complex! e.remove() also squares the complexity, just as c.contains(...) does. On an ArrayList, e.remove() calls ArrayList.remove(int index), which has to shift the remainder of the array over by one.
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Getting scroll bar width using JavaScript [duplicate]
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Remove or uninstall library previously added : cocoapods
...dify your podfile (delete the lines with the pods you don't want to use anymore) and run:
$ pod install
Done.
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What is “(program)” in Chrome debugger’s profiler?
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Flatten nested dictionaries, compressing keys
... Changed it to test for collections.MutableMapping to make it more generic. But for Python < 2.6, try..except is probably the best option.
– Imran
May 17 '11 at 7:55
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How to safely open/close files in python 2.4
... simple, thanks. For some reason I was expecting that I'd need something more involved.
– TM.
Sep 22 '10 at 14:42
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