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How to parse/read a YAML file into a Python object? [duplicate]
... f:
yaml.dump(dataMap, f)
You have a dictionary, and now you have to convert it to a Python object:
class Struct:
def __init__(self, **entries):
self.__dict__.update(entries)
Then you can use:
>>> args = your YAML dictionary
>>> s = Struct(**args)
>>>...
Find out how much memory is being used by an object in Python [duplicate]
...be? The size containing the size of each object or not?). There are some pointers overhead and internal structures related to object types and garbage collection. Finally, some python objects have non-obvious behaviors. For instance, lists reserve space for more objects than they have, most of the t...
Convert tuple to list and back
...
Convert tuple to list:
>>> t = ('my', 'name', 'is', 'mr', 'tuple')
>>> t
('my', 'name', 'is', 'mr', 'tuple')
>>> list(t)
['my', 'name', 'is', 'mr', 'tuple']
Convert list to tuple:
>>> l...
Remove Identity from a column in a table
...of a foreign key in another table, you're going to have to drop the constraints first, then take action as @AdamWenger mentioned about removing the identity attribute/property ..You can also look into this link for more details about removing the attribute only: blog.sqlauthority.com/2009/05/03/… ...
How to read/process command line arguments?
...re_false", dest="verbose", default=True,
help="don't print status messages to stdout")
args = parser.parse_args()
argparse supports (among other things):
Multiple options in any order.
Short and long options.
Default values.
Generation of a usage help message.
...
Extracting text from HTML file using Python
...
I don't think will convert html characters into unicode, right? For example, & won't be converted into &, right?
– speedplane
Nov 30 '12 at 8:14
...
Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...例如：
struct hostent *gethostbyaddr(const void *addr, size_t len, int type); struct hostent *gethostbyname(const char *name);
sys/types.h：数据类型定义
sys/socket.h：提供socket函数及数据结构
netinet/in.h：定义数据结构sockaddr_in
arpa/inet.h：提供IP地址转...
How to pass an array into a SQL Server stored procedure
...X),
@Delimiter VARCHAR(255)
)
RETURNS TABLE
AS
RETURN ( SELECT Item = CONVERT(INT, Item) FROM
( SELECT Item = x.i.value('(./text())[1]', 'varchar(max)')
FROM ( SELECT [XML] = CONVERT(XML, '<i>'
+ REPLACE(@List, @Delimiter, '</i><i>') + '</i>').query...
How to measure time in milliseconds using ANSI C?
...y, so if you have a ticks value and the frequency is known, you can easily convert ticks to elapsed time. It is actually not guaranteed that a monotonic clock reflects the current system time in any way, it may also count ticks since a system startup. But it guarantees that a clock is always run up ...
What is the purpose of the -m switch?
... command line (e.g., python <filename>). All python interpreters can convert modulenames to filenames by following same few, well-defined rules. These rules hinge on the sys.path variable. By altering this variable one can change how Python resolves modulenames into filenames (for more on how ...