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Remove trailing newline from the elements of a string list
I have to take a large list of words in the form:
7 Answers
7
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When to use RSpec let()?
...I prefer this to one large before hook containing all of this. Also, let(:foo) { Foo.new } is less noisy (and more to the point) then before(:each) { @foo = Foo.new }. Here's an example of how I use it: github.com/myronmarston/vcr/blob/v1.7.0/spec/vcr/util/…
– Myron Marston...
StringUtils.isBlank() vs String.isEmpty()
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StringUtils.isBlank() will also check for null, whereas this:
String foo = getvalue("foo");
if (foo.isEmpty())
will throw a NullPointerException if foo is null.
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How can you iterate over the elements of an std::tuple?
...t;boost/hana.hpp>
#include <boost/hana/ext/std/tuple.hpp>
struct Foo1 {
int foo() const { return 42; }
};
struct Foo2 {
int bar = 0;
int foo() { bar = 24; return bar; }
};
int main() {
using namespace std;
using boost::hana::for_each;
Foo1 foo1;
Foo2 foo2;
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How to filter rows in pandas by regex
...lready a string handling function Series.str.startswith().
You should try foo[foo.b.str.startswith('f')].
Result:
a b
1 2 foo
2 3 fat
I think what you expect.
Alternatively you can use contains with regex option. For example:
foo[foo.b.str.contains('oo', regex= True, na=False)...
Hashing a dictionary?
... However, here is one issue I found with hash, as regards objects:
class Foo(object): pass
foo = Foo()
print (hash(foo)) # 1209812346789
foo.a = 1
print (hash(foo)) # 1209812346789
The hash is the same, even after I've altered foo. This is because the identity of foo hasn't changed, so the hash...
Linux/Unix command to determine if process is running?
I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ...
What is the simplest way/command to do this?
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Windows equivalent of the 'tail' command
Is there a way to simulate the *nix tail command on the Windows command line? I have a file and I want a way to snip off the first n lines of text. For example:
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What is the difference between 'E', 'T', and '?' for Java generics?
... wildcard which is used when providing a type argument, e.g. List<?> foo = ... means that foo refers to a list of some type, but we don't know what.
All of this is generics, which is a pretty huge topic. You may wish to learn about it through the following resources, although there are more a...
How can I get a list of all classes within current module in Python?
...per' way to do it, but your snippet is on the right track: just add import foo to foo.py, do inspect.getmembers(foo), and it should work fine.
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