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Returning an array using C
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232
You can't return arrays from functions in C. You also can't (shouldn't) do this:
char *return...
n-grams in python, four, five, six grams?
...it's hard to read ngrams, but training a model base on ngrams where n > 3 will result in much data sparsity.
from nltk import ngrams
sentence = 'this is a foo bar sentences and i want to ngramize it'
n = 6
sixgrams = ngrams(sentence.split(), n)
for grams in sixgrams:
print grams
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Get the current user, within an ApiController action, without passing the userID as a parameter
...rel Miller
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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。一部运行postfix的台式PC每天可以收发上百万封邮件。
3. 兼容性好:
postfix是sendmail兼容的，从而使sendmail用户可以很方便地迁移到postfix。Postfix支持/var[/spool]/mail、/etc/aliases、 NIS、和 ~/.forward 文件。
4. 更健壮：
postfix被设...
No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClie
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34 Answers
34
Active
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How to send a PUT/DELETE request in jQuery?
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939
You could use the ajax method:
$.ajax({
url: '/script.cgi',
type: 'DELETE',
succes...
Using smart pointers for class members
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edited Apr 7 '13 at 10:25
answered Mar 26 '13 at 23:06
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How do I quickly rename a MySQL database (change schema name)?
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edited Apr 19 at 13:51
community wiki
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Use jQuery to change an HTML tag?
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answered May 28 '09 at 1:33
mishacmishac
3,08911 gold badge1818 silver badges1818 bronze badges
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mongodb: insert if not exists
...t:true}. For example:
key = {'key':'value'}
data = {'key2':'value2', 'key3':'value3'};
coll.update(key, data, upsert=True); #In python upsert must be passed as a keyword argument
This replaces your if-find-else-update block entirely. It will insert if the key doesn't exist and will update if it...