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NHibernate vs LINQ to SQL
... hold a customer's primary address information:
StreetAddress
City
State
Zip
Now, let's say you want to add columns for the customer's mailing address as well so you add in the following columns to the Customers table:
MailingStreetAddress
MailingCity
MailingState
MailingZip
Using LINQ to SQ...
Accessing dict_keys element by index in Python3
...))
before I realised this is all much better written as
for (k, res) in zip(d.keys(), some_list):
which works just fine.
I believe that in many other cases, indexing dictionary keys by position can be avoided. Although dictionaries are ordered in Python 3.7, relying on that is not pretty. Th...
What is PostgreSQL explain telling me exactly?
... then takes the two datasets and merges them. (A merge join is a sort of "zipping" operation where it walks the two sorted datasets in parallel, emitting the joined row when they match.)
As I said, you work through the plan inner part to outer part, bottom to top.
...
How to limit the maximum value of a numeric field in a Django model?
...
I had this very same problem; here was my solution:
SCORE_CHOICES = zip( range(1,n), range(1,n) )
score = models.IntegerField(choices=SCORE_CHOICES, blank=True)
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...ng-the-File-System-Image-and-Deleted-Data-Recovery
Download FleshCloner.zip - 12.8 KB
大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式, FAT 系统由三个主要部分构成:保留区域、 表 (FAT 区域 ) 和数据区域。保留区域...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...ng-the-File-System-Image-and-Deleted-Data-Recovery
Download FleshCloner.zip - 12.8 KB
大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式, FAT 系统由三个主要部分构成:保留区域、 表 (FAT 区域 ) 和数据区域。保留区域...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...ng-the-File-System-Image-and-Deleted-Data-Recovery
Download FleshCloner.zip - 12.8 KB
大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式, FAT 系统由三个主要部分构成:保留区域、 表 (FAT 区域 ) 和数据区域。保留区域...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...ng-the-File-System-Image-and-Deleted-Data-Recovery
Download FleshCloner.zip - 12.8 KB
大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式, FAT 系统由三个主要部分构成:保留区域、 表 (FAT 区域 ) 和数据区域。保留区域...
获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...
...ng-the-File-System-Image-and-Deleted-Data-Recovery
Download FleshCloner.zip - 12.8 KB
大多数的 flash驱动器的文件系统都采用 FAT 格式。下面介绍下这种系统格式, FAT 系统由三个主要部分构成:保留区域、 表 (FAT 区域 ) 和数据区域。保留区域...
Pandas percentage of total with groupby
...
import pandas as pd
np.random.seed(0)
groups = [
''.join(i) for i in zip(
np.random.choice(np.array([i for i in string.ascii_lowercase]), 30000),
np.random.choice(np.array([i for i in string.ascii_lowercase]), 30000),
np.random.choice(np.array([i for i in string.ascii_lowercase]), ...
