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ssh remote host identification has changed
...
ssh-keygen -R <host>
For example,
ssh-keygen -R 192.168.3.10
From ssh-keygen man page:
-R hostname Removes all keys belonging to hostname from a known_hosts file. This option is useful to delete hashed hosts (see the -H option above).
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
I've found C code that prints from 1 to 1000 without loops or conditionals :
But I don't understand how it works. Can anyone go through the code and explain each line?
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How to copy a file from one directory to another using PHP?
...'foo/test.php', 'bar/test.php');
Quoting a couple of relevant sentences from its manual page :
Makes a copy of the file source to
dest. If the destination
file already exists, it will be
overwritten.
share
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What is the purpose of willSet and didSet in Swift?
... = 0 {
didSet {
print("The value of myProperty changed from \(oldValue) to \(myProperty)")
}
}
}
myProperty prints its old and new value every time it is modified. With just getters and setters, I would need this instead:
class Foo {
var myPropertyValue: Int = ...
notifyDataSetChange not working from custom adapter
When I repopulate my ListView , I call a specific method from my Adapter .
11 Answers
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Redis - Connect to Remote Server
...st to be sure.
After establishing it is listening where you expect it to, from a remote node which should have access try:
redis-cli -h REMOTE.HOST ping
You could also try that from the local host but use the IP you expect it to be listening on instead of a hostname or localhost. You should see ...
Is there a simple way to remove unused dependencies from a maven pom.xml?
... dependencies. Is there is a command which removes any unused dependencies from a pom?
5 Answers
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How do I subtract minutes from a date in javascript?
...is pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date].
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Why isn't Python very good for functional programming? [closed]
...e, powerful expression syntax (Python's simple block syntax prevents Guido from adding it)
No pattern matching and no tail recursion mean your basic algorithms have to be written imperatively. Recursion is ugly and slow in Python.
A small list library and no functional dictionaries mean that yo...
how to convert from int to char*?
..., particularly to older projects. Plenty of C++ games also still stay away from std::string. Going from int to std::string to char* isn't the same as int to char*.
– Adambean
Jan 25 '16 at 19:05
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