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How to get one value at a time from a generator function in Python?
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In Python <= 2.5, use gen.next(). This will work for all Python 2.x versions, but not Python 3.x
In Python >= 2.6, use next(gen). This is a built in function, and is clearer. It will also work in Python 3.
Both of these end up calling a specially named function, next(), wh...
Changing default encoding of Python?
...on ASCII being the default (this code can be third-party, which would generally make fixing it impossible or dangerous).
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Multiple inputs with same name through POST in php
... post and then access them from PHP? The idea is this: I have a form that allows the entry of an indefinite number of physical addresses along with other information. If I simply gave each of those fields the same name across several entries and submitted that data through post, would PHP be able ...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
I wrote a very simple test code of printf uint64_t:
3 Answers
3
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How to make a class JSON serializable
...t;>> magic(f)
'{"fname": "/foo/bar"}'
In that case you can merely call json.dumps(f.__dict__).
If you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.
For a trivial example, see below.
>>> from json import JSONE...
What is the easiest way to push an element to the beginning of the array?
...the top of the page could be better formatted, it is very difficult to visually scan as it is. I found it because I knew the method name I was looking for :)
– mu is too short
May 22 '11 at 6:45
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Error handling with node.js streams
...ansform
Transform streams are both readable and writeable, and thus are really good 'middle' streams. For this reason, they are sometimes referred to as through streams. They are similar to a duplex stream in this way, except they provide a nice interface to manipulate the data rather than just sen...
Skip rows during csv import pandas
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^ No need to import at all, it is directly accessible as pd.compat.StringIO .
– cs95
Apr 8 '19 at 17:51
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Which characters make a URL invalid?
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@techiferous, Yeah, I forgot to allow "%" escaped characters. It should've looked more like: /^([!#$&-;=?-[]_a-z~]|%[0-9a-fA-F]{2})+$/ Was there anything else that you found it should've been accepting? (Just to be clear, that regex only checks ...
腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...h>
#include <stdio.h>
#include <stdlib.h>
#include <queue>
#include "co_routine.h"
using namespace std;
/**
* 本实例是对条件变量的展示，其作用类似于pthread_cond_wait
*/
struct stTask_t
{
int id;
};
struct stEnv_t
{
stCoCond_t* cond;
queue<stTask_t*> task_queue...