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What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
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In Python versions prior to 3.0 there are two kinds of strings "plain strings" and "unicode strings". Plain strings (str) cannot represent characters outside of the Latin alphabet (ignoring details of code pages for simplicity). Unicode strings (unicode) ...
How do I move an existing window to a new tab?
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answered Nov 19 '09 at 8:25
DrAlDrAl
61.7k1010 gold badges9595 silver badges101101 bronze badges
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How to print Boolean flag in NSLog?
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505
Here's how I do it:
BOOL flag = YES;
NSLog(flag ? @"Yes" : @"No");
?: is the ternary conditi...
How can I sort generic list DESC and ASC?
...I sort generic list DESC and ASC? With LINQ and without LINQ? I'm using VS2008.
5 Answers
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Is there a difference between /\s/g and /\s+/g?
...g replaced with the empty string because of the +.
However, just like how 0 multiplied by anything else is 0, it seems as if both methods strip spaces in exactly the same way.
If you change the replacement string to '#', the difference becomes much clearer:
var str = ' A B C D EF ';
console.l...
FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
...edevfloatingactionbutton
版本
1.1 (较新)
1.0
文件大小
21.8 KB
13.6 KB (更轻量)
位置设置
自定义X/Y坐标
预定义四个位置
圆角控制
✅ 支持
❌ 不支持
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Can I use __init__.py to define global variables?
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200
You should be able to put them in __init__.py. This is done all the time.
mypackage/__init__....
git-checkout older revision of a file under a new name
..../<path> syntax (or ../path to go up from current directory).
Edit 2015-01-15: added information about relative path syntax
You can get in most cases the same output using low-level (plumbing) git cat-file command:
prompt> git cat-file blob HEAD^:main.cpp > old_main.cpp
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Remove multiple keys from Map in efficient way?
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– Ruchira Gayan Ranaweera
Jul 16 '13 at 12:03
12
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What is the behavior difference between return-path, reply-to and from?
...ourcompany.com@mymailinglist.com. The SMTP session might look like:
{S}220 workstation1 Microsoft ESMTP MAIL Service
{C}HELO workstation1
{S}250 workstation1 Hello [127.0.0.1]
{C}MAIL FROM:<coolstuff-you=yourcompany.com@mymailinglist.com>
{S}250 2.1.0 me@mycompany.com....Sender OK
{C}RCPT TO...