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Multiple github accounts on the same computer?
... get you into shape – Let's assume your system is setup with a typical id_rsa and id_rsa.pub key pair. Right now your tree ~/.ssh looks like this
$ tree ~/.ssh
/Users/you/.ssh
├── known_hosts
├── id_rsa
└── id_rsa.pub
First, name that key pair – adding a descriptive name wil...
Android Studio Project Structure (v.s. Eclipse Project Structure)
...ing to usable in feature sub-folder:
Update your Android Studio 3.0.1 01_2018:
ToolTip:
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Why doesn't the height of a container element increase if it contains floated elements?
...nstead.
Also if you might like to self-clear an element you can use
.self_clear:after {
content: "";
clear: both;
display: table;
}
How Does CSS Float Work?
What is float exactly and what does it do?
The float property is misunderstood by most beginners. Well, what exactly does float ...
Why does Python code run faster in a function?
...e on the PyObject which is trivial.
Contrast this to a global lookup (LOAD_GLOBAL), which is a true dict search involving a hash and so on. Incidentally, this is why you need to specify global i if you want it to be global: if you ever assign to a variable inside a scope, the compiler will issue ST...
Java naming convention for static final variables [duplicate]
...r abbreviations, all uppercase, with components
separated by underscore "_" characters. Constant names should be
descriptive and not unnecessarily abbreviated. Conventionally they may
be any appropriate part of speech. Examples of names for constants
include MIN_VALUE, MAX_VALUE, MIN_RADIX, ...
OPTION (RECOMPILE) is Always Faster; Why?
...lding your statistics. This can be done by running the following:
EXEC sp_updatestats
And then recreating your execution plan. This will ensure that when your execution plan is created it will be using the latest information.
Adding OPTION(RECOMPILE) rebuilds the execution plan every time that...
What is pseudopolynomial time? How does it differ from polynomial time?
...ssuming we were using a standard binary representation, where we'd need log_2 n bits to represent the number. You're right that changing the underlying representation will change the runtime as a function of the size of the input, though.
– templatetypedef
Jul ...
What's the best way of scraping data from a website? [closed]
...s bs
request = requests.get("http://foo.bar")
soup = bs(request.text)
some_elements = soup.find_all("div", class_="myCssClass")
Some will prefer xpath parsing or jquery-like pyquery, lxml or something else.
When the data you want is produced by some JavaScript, the above won't work. You either n...
How expensive is RTTI?
...ime if you can afford to do
if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the latter necessarily involves traversing an inheritanc...
Check if a class is derived from a generic class
...oImplementor, IGenericFooInterface<T>
{
}
[Test]
public void Should_inherit_or_implement_non_generic_interface()
{
Assert.That(typeof(FooImplementor)
.InheritsOrImplements(typeof(IFooInterface)), Is.True);
}
[Test]
public void Should_inherit_or_implement_generic_interface()
{
...