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How do I install from a local cache with pip?
... the Pip documentation:
Starting with v6.0, pip provides an on by default cache which functions similarly to that of a web browser. While the cache is on by default and is designed do the right thing by default you can disable the cache and always access PyPI by utilizing the --no-cache-dir opti...
What does “dereferencing” a pointer mean?
...d_
(*p).d_ *= -1; // Another equivalent notation for accessing x.d_
Multi-byte data types
To use a pointer, a computer program also needs some insight into the type of data that is being pointed at - if that data type needs more than one byte to represent, then the pointer normally points to t...
Is there a way to make a link clickable in the OSX Terminal?
...d+shift+double-click on a URL in Terminal.app and it will open in the default program.
OSX Lion:
cmd+double-click (otherwise you will enter fullscreen mode).
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jQuery lose focus event
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Use blur event to call your function when element loses focus :
$('#filter').blur(function() {
$('#options').hide();
});
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Auto-loading lib files in Rails 4
...ay solve your problem:
in config/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep the right naming convention in lib.
in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb,...
Rails detect if request was AJAX
...0 is actually truthy, not falsey in ruby: 0 || 1 => 0 But I'm going to alter my post for clarity.
– pixelearth
Aug 23 '17 at 23:13
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Where can I find documentation on formatting a date in JavaScript?
...n. "until now I was under the impression that JavaScript doesn't have a built-in API to format a date object into a string." but then talks about the behavior, that I believe he thinks is native in javascript. Without knowing which library he mistakenly references, I think the best guess is that he'...
ANTLR: Is there a simple example?
...ow is a small grammar that you can use to evaluate expressions that are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis.
Note that this grammar is just a very basic one: it does not handle unary operators (the minus in: -1+9) or decimals like ...
How to get an object's property's value by property name?
...t to use different approaches in different scenarios.
-ExpandProperty <String>
Specifies a property to select, and indicates that an attempt should
be made to expand that property
https://technet.microsoft.com/en-us/library/hh849895.aspx
[PS]> (Get-Process)[0] | Select-Obj...
How to set a default entity property value with Hibernate
How do I set a default value in Hibernate field?
16 Answers
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