by: Rami A. Kishek |
last post by:
Hi - this mysterious behavior with shelve is just about to kill me. I
hope someone here can shed some light. First of all, I have this piece
of code which uses shelve to save instances of some...
|
by: Kris Caselden |
last post by:
Python's docs say that Shelve uses Pickle to serialize its data.
However, I've noticed that Pickle can maintain internal links, while
Shelve cannot. For instance:
>>> d =...
|
by: seth |
last post by:
Last week I encountered an AttributeError in my unit tests that I
wasn'table to catch with an "except AttributeError" statement.
The problem stemmed from a class that raised an error inside...
|
by: Paul Rubin |
last post by:
Shelve uses dbm and pickle to make a persistent object store. The
"db" in "dbm" stands for "database" and while I didn't expect full
ACID capability, I'd have thought there'd be at least some...
|
by: josegomez |
last post by:
Hi!
I want to use shelve to store lists which are indexed by an integer
key. The keys are not concurrent or anything, they are just defined as
integer values. However, shelve complains that I...
|
by: Michele Petrazzo |
last post by:
Hi,
I'm trying a script on a debian 3.1 that has problems on shelve library.
The same script work well on a fedora 2 and I don't know why it create
this problem on debian:
#extract from my code...
|
by: aomighty |
last post by:
I wanted to write the following code:
import shelve
try:
db = shelve.open(file, "r")
except SomeError:
print "Oh no, db not found"
Only, I'm not sure what SomeError should be. I tried...
|
by: 7stud |
last post by:
test1.py:
--------------------
import shelve
s = shelve.open("/Users/me/2testing/dir1/aaa.txt")
s = "red"
s.close()
--------output:------
$ python test1.py
|
by: gluckj |
last post by:
Hi,
I'm not a Win ME fan myself (I'm a Mac user), but I'm here in Thailand
developing software for special-needs kids, and the test PC in my home
office is a Win ME machine (sigh). So when I...
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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