大约有 7,000 项符合查询结果（耗时：0.0201秒） [XML]
TypeError: 'NoneType' object is not iterable in Python
...
84
Explanation of error: 'NoneType' object is not iterable
In python2, NoneType is the type of No...
How to install therubyracer gem on 10.10 Yosemite?
...ll
bundle exec rake clean build binary
gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified
then just bundle your project gems
this is the only way it worked for me on 10.10 (rub...
Print a string as hex bytes?
... !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 .
13 Answers
...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...客
可以选择对应平台的版本进行下载，此文档以x86_64平台的v26.1.4版本为准，获取版本离线包如下所示：
百度网盘获取docker、docker-compose版本详细信息如下所示：
2、安装docker
# 将下载后的docker安装包传至需要...
When do you use the “this” keyword? [closed]
...
96
votes
I only use it when absolutely necessary, ie, when another variable is shadow...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
...
96
The answers above were partial. I've spent so much time getting this working, it's insane. Note...
UIView with rounded corners and drop shadow?
...
84
Well the problem with it is that when I set corner radius, it sets maskToBounds: YES, whereas the shadow requires clipToBounds: NO (where c...
How can I convert uppercase letters to lowercase in Notepad++
... Ctrl+U for convert back to small letters
– pramodc84
Nov 3 '13 at 11:26
3
CTRL+A is select all...
Volatile vs. Interlocked vs. lock
... don't know and don't care and that's the point of cache coherency of x86/x64). All the posts earlier by others who mentioned instruction reordering simply show they don't understand x86/x64 architectures. Volatile does not issue read/write barriers as implied by the earlier posts saying 'it prevent...
How can I apply styles to multiple classes at once?
...
zombatzombat
84.7k2121 gold badges148148 silver badges160160 bronze badges
...