大约有 9,000 项符合查询结果（耗时：0.0137秒） [XML]
How to compute the similarity between two text documents?
... looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
...
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
...ly, Django has a new way to load installed app. If you load Django from a Python script (like I was in my custom unit tests), some initialization needs to be done before proceeding and calling setup() is how to do it. Aside from that, kudos to the team, my 1.6.2 to 1.7.1 upgrade seems to an hour's...
Nearest neighbors in high-dimensional data?
...Besides that one, no, I don't know of others. I ended up writing my own in Python for my specific purposes. Essentially, each hash table is implemented as a Python dictionary, d, where d[k] is one bin with key k. d[k] contains the labels of all points whose hash is k. Then, you just need to compute ...
写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...出更加地道的代码，充分发挥各自平台的优势。
基础的数据结构与算法，掌握好这些在解决一些特定问题时，可以以更加优雅有效的方式处理。
基础的设计原则，无需完全掌握23种经典设计模式，只需要了解一些常用的设计原...
C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，最困难的可能就是如何定义比较算子了。
如果是基本数据类型，或已定义了比较运算符的类，可以直接用STL 的less 算子和greater算子——默认为使用less 算子，即小的往前排，大的先出队。
如果要定义自己的比较算子，方法...
String variable interpolation Java [duplicate]
...
@jackr Python's strings are immutable too. However "string interpolation" can be seen more as a way of constructing one string, than a way of editing an existing one. It was not introduced in java most likely because of other priori...
Random number from a range in a Bash Script
...
and here's one with Python
randport=$(python -S -c "import random; print random.randrange(2000,63000)")
and one with awk
awk 'BEGIN{srand();print int(rand()*(63000-2000))+2000 }'
...
Can a decorator of an instance method access the class?
...
If you are using Python 2.6 or later you could use a class decorator, perhaps something like this (warning: untested code).
def class_decorator(cls):
for name, method in cls.__dict__.iteritems():
if hasattr(method, "use_class"):
...
Securely storing environment variables in GAE with app.yaml
...yer enabling you to discover and create secrets at runtime, if necessary.
Python SDK
Example usage:
from google.cloud import secretmanager_v1beta1 as secretmanager
secret_id = 'my_secret_key'
project_id = 'my_project'
version = 1 # use the management tools to determine version at runtime
cli...
Convert xlsx to csv in Linux with command line
...equire dozens of dependencies that you also need to install.
I found this Python alternative:
https://github.com/dilshod/xlsx2csv
$ easy_install xlsx2csv
$ xlsx2csv file.xlsx > newfile.csv
Took 2 seconds to install and works like a charm.
If you have multiple sheets you can export all at o...