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How Can I Download a File from EC2 [closed]
... @gideon That definitively should work as expected (i.e. recursively copy all files from /srv/www/myapp/ to the local machine). Wild guess - are you running scp from your ec2 server perhaps? If yes, you need to run it from your local machine (i.e. the machine you want to copy files to).
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Omitting the second expression when using the if-else shorthand
...o an option:
x==2 && dosomething();
dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach:
if(x==2) dosomething();
You...
Launching Spring application Address already in use
... @Junchen Lui That's because it is just a workaround. If you do this all the time, you will have a lot of unused tomcats running. Better fix the error in first place.
– Stimpson Cat
Jan 9 '18 at 8:12
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What can MATLAB do that R cannot do? [closed]
... 3 years. At this point, they have much more in common than not. It partially depends on your field and use-case. And as Spencer Graves said previously, it also depends on which "church you happen to frequent". It's best if you look at the MATLAB toolkit vs. CRAN for a specific task before you d...
Attach IntelliJ IDEA debugger to a running Java process
...rs on application startup.
Debug
Start your application as you would normally, then in IntelliJ select the new configuration and hit 'Debug'.
IntelliJ will connect to the JVM and initiate remote debugging.
You can now debug the application by adding breakpoints to your code where desired. The ...
Java 8 Iterable.forEach() vs foreach loop
...
prev = curr;
}
Can't handle checked exceptions. Lambdas aren't actually forbidden from throwing checked exceptions, but common functional interfaces like Consumer don't declare any. Therefore, any code that throws checked exceptions must wrap them in try-catch or Throwables.propagate(). But ...
How to write LDAP query to test if user is member of a group?
...OU=yourOU,DC=yourcompany,DC=com))";
SearchResultCollection res = srch.FindAll();
if(res == null || res.Count <= 0) {
Console.WriteLine("This user is *NOT* member of that group");
} else {
Console.WriteLine("This user is INDEED a member of that group");
}
Word of caution: this will onl...
How to add property to a class dynamically?
...ing on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... pass
...
>>> foo = Foo()
>>> foo.a = 3
>>> Foo.b = property(lambda self: self.a + 1)
>>&...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...ve used and what I've seen others use for a loop that has to be broken manually.
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Is Random class thread safe?
...share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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