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Removing an element from an Array (Java) [duplicate]
...se arrays, two calls to System.arraycopy will most likely be the fastest.
Foo[] result = new Foo[source.length - 1];
System.arraycopy(source, 0, result, 0, index);
if (source.length != index) {
System.arraycopy(source, index + 1, result, index, source.length - index - 1);
}
(Arrays.asList is ...
Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...your CA to dir:
/usr/local/share/ca-certificates/
Use command:
sudo cp foo.crt /usr/local/share/ca-certificates/foo.crt
Update the CA store:
sudo update-ca-certificates
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grep without showing path/file:line
... for a pattern within a specific directory, this should suffice:
grep -hn FOO /your/path/*.bar
Where -h is the parameter to hide the filename, as from man grep:
-h, --no-filename
Suppress the prefixing of file names on output. This is the default
when there is only one file (or onl...
What is std::promise?
...example's sake, suppose we have a function that takes some arguments:
int foo(double, char, bool);
First off, we have the template std::future<T>, which represents a future value of type T. The value can be retrieved via the member function get(), which effectively synchronizes the progra...
How do I pick randomly from an array?
...
Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ruby 1.9.1+. To be also able to use it with an earlier version of Ruby, you could require "backports/1.9.1/array/sample".
Note that in Ruby 1.8.7 it exists un...
Android Studio: Add jar as library?
...d.gradle file, but it seemed to use absolute paths to the libraries (/libs/foo.jar). I change these to relative paths (libs/foo.jar), which fixed the problem for me.
– Matt Holgate
Oct 22 '13 at 13:25
...
Can pandas automatically recognize dates?
..., 3]] -> combine columns 1 and 3 and parse as a single date
column. {‘foo’ : [1, 3]} -> parse columns 1, 3 as date and call result ‘foo’
The default sensing of dates works great, but it seems to be biased towards north american Date formats. If you live elsewhere you might occasion...
NameError: name 'self' is not defined
...y if you try to reference values for that object inside the function.
def foo():
print(self.bar)
>NameError: name 'self' is not defined
def foo(self):
print(self.bar)
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Google Chrome redirecting localhost to https
...next versions of Chrome is going to force all domains ending on .dev (and .foo) to be redirected to HTTPs via a preloaded HTTP Strict Transport Security (HSTS) header.
{ "name": "dev", "include_subdomains": true, "mode": "force-https" },
{ "name": "foo", "include_subdomains": true, "mode": "force-...
C++11 emplace_back on vector?
...
{}
};
vector<T> V;
int main()
{
V.emplace_back(42, 3.14, "foo");
}
The point of using emplace_back is to avoid creating a temporary object, which is then copied (or moved) to the destination. While it is also possible to create a temporary object, then pass that to emplace_back, i...