大约有 5,476 项符合查询结果（耗时：0.0262秒） [XML]
Rebasing remote branches in Git
...ople will get problems and have to rebase their code. Now imagine you have 1000 developers :) It just causes a lot of unnecessary rework.
share
|
improve this answer
|
follow...
Python multiprocessing PicklingError: Can't pickle
... return x+1
...
>>> f = Foo()
>>> p.apipe(f.work, f, 100)
<processing.pool.ApplyResult object at 0x10504f8d0>
>>> res = _
>>> res.get()
101
Get pathos (and if you like, dill) here:
https://github.com/uqfoundation
...
Convert Linq Query Result to Dictionary
...whole objects. To keep it simple, I got a table in my BD with 20 columns, 100 000 rows and I'd want to extract a Dictionary using the values of the first 2 columns.
– Tipx
Jun 5 '09 at 2:04
...
Linq to SQL how to do “where [column] in (list of values)”
... in the list would have a significant impact.
I set up a test where I did 100 trials each of Concat and Contains where each trial involved selecting 25 rows specified by a randomized list of primary keys. I've run this about a dozen times, and most times the Concat method comes out 5 - 10% faster, ...
best way to preserve numpy arrays on disk
... = [ 'pickle', 'h5py', 'pickle+gzip', 'pickle+lzma', 'pickle+bz2' ]
size = 1000
data = {}
# Random data
data['random'] = np.random.random((size, size))
# Not that random data
data['semi-random'] = np.zeros((size, size))
for i in range(size):
for j in range(size):
data['semi-random'][i...
Querying DynamoDB by date
...doing a scan, which will be costly in reads and in time (and is limited to 100 items I believe).
This may not be the best way of doing it but for someone used to RD (I'm also used to SQL) it's the fastest way to get productive. Since there is no constraints in regards to schema, you can whip up som...
Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...ds in the comments:
To backfill part of the history: git fetch --depth=100.
share
|
improve this answer
|
follow
|
...
Surrogate vs. natural/business keys [closed]
...
100
Both. Have your cake and eat it.
Remember there is nothing special about a primary key, exce...
UnboundLocalError on local variable when reassigned after first use
...
Charlie MartinCharlie Martin
100k2222 gold badges175175 silver badges249249 bronze badges
...
Why aren't programs written in Assembly more often? [closed]
...
If an average production program has say 100k lines of code, and each line is about 8-12 assembler instructions, that would be 1 million of assembler instructions.
Even if you could write all this by hand at a decent speed (remember, its 8 times more code that you...