大约有 5,100 项符合查询结果（耗时：0.0157秒） [XML]
Automatically create an Enum based on values in a database lookup table?
...t to the name of an enumeration. The enumeration restricts the valid value range for a different property of the same object. In my case I'm loading metadata, including the valid value range from a database; and no, the vendor code does not support passing a collection of any type to the property. T...
Are tuples more efficient than lists in Python?
... advantage:
>>> import sys
>>> sys.getsizeof(tuple(iter(range(10))))
128
>>> sys.getsizeof(list(iter(range(10))))
200
Here is the comment from Objects/listobject.c that explains what lists are doing:
/* This over-allocates proportional to the list size, making room
* ...
How to think in data stores instead of databases?
...ey, and fetch operations are limited to fetching single keys or contiguous ranges of keys. More sophisticated queries are made possible with indexes, which are basically just tables of their own, allowing you to implement more complex queries as scans on contiguous ranges.
Once you've absorbed that,...
No newline at end of file
...reating text files differently to files containing other kinds of data (eg raw binary data which isn't human-readable).
Because of this convention, many tools from that era expect the ending newline, including text editors, diffing tools, and other text processing tools. Mac OS X was built on BSD U...
Convert JSON style properties names to Java CamelCase names with GSON
...everse direction, your code may want to inspect the json object for both a raw property name as well as a 'is_XXX' version.
share
|
improve this answer
|
follow
...
How to count the number of true elements in a NumPy bool array
... solved a quite similar question for me and I thought I should share :
In raw python you can use sum() to count True values in a list :
>>> sum([True,True,True,False,False])
3
But this won't work :
>>> sum([[False, False, True], [True, False, True]])
TypeError...
...
How can I see the entire HTTP request that's being sent by my Python application?
...ng on to properly fix it. It's very frustrating, but being able to see the raw traffic really helps.
share
|
improve this answer
|
follow
|
...
How to make an HTTP POST web request
...
var response = client.Post(request);
var content = response.Content; // Raw content as string
var response2 = client.Post<Person>(request);
var name = response2.Data.Name;
Flurl.Http
It is a newer library sporting a fluent API, testing helpers, uses HttpClient under the hood, and is p...
How do I create a Java string from the contents of a file?
...re memory several times the size of the file, because for a short time the raw file contents (a byte array), and the decoded characters (each of which is 16 bits even if encoded as 8 bits in the file) reside in memory at once. It is safest to apply to files that you know to be small relative to the ...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...derstand and support) has 100% code coverage. However I bet you don't use raw ids except where necessary, any more than Java coders pass around Objects. Why not? Don't need it if you've got unit tests? Because it's there and makes your code more maintainable, as would typed arrays. Sounds like ...