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Recover from git reset --hard?
... way to recover uncommitted changes to the working directory from a git reset --hard HEAD ?
22 Answers
...
Reopen last closed tab in Visual Studio
... way to reopen the last closed tab in Visual Studio? Similar to Ctrl + Shift + t in FireFox and Chrome?
8 Answers
...
What is the best way to implement nested dictionaries?
...is a bad idea, don't do it. Instead, use a regular dictionary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behavior, here's how to shoot yourself in the foot:
Implement __missing__ on a dict subclass t...
How to test multiple variables against a value?
...uple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
using a set to take advantage of the constant-cost membership test (in takes a fixed amount of time whatever the left-hand operand is).
When you use or, python sees each side of the operator as separate expressions. The expression x...
Mac OS X Terminal: Map option+delete to “backward delete word”
Tried to map it from Preferences -> Settings -> Keyboard, but the "key" combo box has only "forward delete" but no "delete". My keyboard on the other hand has only "delete" and no "forward delete"!
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推荐引擎easyrec半天学习分享 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ort API
Import rule
Import/update item
set item active
3.下了官方的demo,安装文档像傻瓜文档说明非常详细，使用确实方便，我初步理解可以把这个作为一个第三方服务发布，然后自己的网站做一些交互...
What are the differences between Abstract Factory and Factory design patterns?
...ly of related objects. Abstract factories are usually implemented using (a set of) factory methods.
Abstract Factory pattern uses composition to delegate the responsibility of creating an object to another class while Factory Method design pattern uses inheritance and relies on a derived class or su...
Sorting a vector in descending order
...O(n * log(n)) = O(n * log(n) + n). They are two ways of defining the same set. You mean to say "This might be slower."
– pjvandehaar
Mar 1 '16 at 20:56
...
Allowed characters in Linux environment variable names
... the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but:
Environment variable names used by the utilities in the Shell and
Utilities volume of IEEE Std
1003.1-2001 consist...
How do I localize the jQuery UI Datepicker?
...I figured out the demo and implemented it the following way:
$.datepicker.setDefaults(
$.extend(
{'dateFormat':'dd-mm-yy'},
$.datepicker.regional['nl']
)
);
I needed to set the default for the dateformat too ...
...