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因?yàn)橛袝r(shí)區(qū)，mktime是本地時(shí)區(qū)
https://docs.python.org/3/lib...

>>> int(time.mktime(time.strptime('2018-03-08 00:00:00', "%Y-%m-%d %H:%M:%S")))
1520438400    # 北京時(shí)間
>>> time.tzname
('CST', 'CST')
>>> time.timezone
-28800    # 8小時(shí)

from datetime import datetime
datetime.now().strftime('%Y-%m-%d 23:59:00')

使用裝飾器

def decorator(func):
    def wrapper(*args, **kw):
        data = args[0],
        dependencies = kw["dependencies"]
        
        # Write your code here
        
        return func(data, dependencies=dependencies)
    return wrapper

@decorator
def calc(data, dependencies=["price","vol"]):
    pass

import numpy as np


def num(i=[0]):
    i[0] += 1
    return i[0]


shu_ru = int(input("shu ru "))
a = np.zeros((shu_ru, shu_ru))
k = 1
all = []

while k < shu_ru * 2:
    lst = []
    for i in range(k):
        for j in range(k):
            if i + j == k - 1 and i < shu_ru and j < shu_ru:
                lst.append((i, j))
    if k % 2 == 0:
        lst.reverse()
    k += 1
    all.append(lst_p)

for i in all:
    for j in i:
        a[j] = num()

當(dāng)a = 3，輸出

Out[1]: 
array([[1., 3., 4.],
       [2., 5., 8.],
       [6., 7., 9.]])

當(dāng)a = 4，輸出

Out[2]: 
array([[ 1.,  3.,  4., 10.],
       [ 2.,  5.,  9., 11.],
       [ 6.,  8., 12., 15.],
       [ 7., 13., 14., 16.]])

當(dāng)a = 1，輸出

Out[2]: array([[1.]])

代碼寫的比較直白，沒有優(yōu)化，大概就是從下標(biāo)跟你的輸入值的關(guān)系著手分析。

cookies取值不需要通過正則，你直接使用索引就行了
比如你的cookies取tk值

self.s.cookies['tk']

為何不用官方編譯好的軟件包？安裝完自帶service腳本，省時(shí)省力，干嘛要自己編譯？

多少時(shí)間不算慢？
可以看下 https://docs.opencv.org/2.4/d... 特征提取找映射的方法。
這樣即使圖片有縮放和輕度旋轉(zhuǎn)一樣能搞定。
遍歷的話，考慮下GPU加速。沒有GPU的話也可進(jìn)行多線程等優(yōu)化。

brew tap kyslik/php
brew install phpXX-mongodb
我是php7.1版本，所以命令是 brew install php71-mongodb

SubTurnExport 在http://piccache.cnki.net/kdn/... 里，在你獲取的js里搜索就行了

可以使用默認(rèn)值，如果取不到就是空l(shuí)ist，不會(huì)進(jìn)入循環(huán)

images = item.get('image_list', [])

找到了,toFixed()會(huì)自動(dòng)四舍五入...

如果在print下方加上return的話

你有兩個(gè) print ，在第8行的下方加一個(gè) return 沒有任何額外作用。在第10行下文加一個(gè) return 是語(yǔ)法錯(cuò)誤。

所以，不知道你想問什么。

watch你值得擁有

找到相關(guān)的源碼了，雖然看不懂：

static PyObject *
gen_send_ex(PyGenObject *gen, PyObject *arg, int exc, int closing)
{
    PyThreadState *tstate = PyThreadState_GET();
    PyFrameObject *f = gen->gi_frame;
    PyObject *result;

    if (gen->gi_running) {
        const char *msg = "generator already executing";
        if (PyCoro_CheckExact(gen)) {
            msg = "coroutine already executing";
        }
        else if (PyAsyncGen_CheckExact(gen)) {
            msg = "async generator already executing";
        }
        PyErr_SetString(PyExc_ValueError, msg);
        return NULL;
    }
    if (f == NULL || f->f_stacktop == NULL) {
        if (PyCoro_CheckExact(gen) && !closing) {
            /* `gen` is an exhausted coroutine: raise an error,
               except when called from gen_close(), which should
               always be a silent method. */
            PyErr_SetString(
                PyExc_RuntimeError,
                "cannot reuse already awaited coroutine");
        }
        else if (arg && !exc) {
            /* `gen` is an exhausted generator:
               only set exception if called from send(). */
            if (PyAsyncGen_CheckExact(gen)) {
                PyErr_SetNone(PyExc_StopAsyncIteration);
            }
            else {
                PyErr_SetNone(PyExc_StopIteration);
            }
        }
        return NULL;
    }

    if (f->f_lasti == -1) {
        if (arg && arg != Py_None) {
            const char *msg = "can't send non-None value to a "
                              "just-started generator";
            if (PyCoro_CheckExact(gen)) {
                msg = NON_INIT_CORO_MSG;
            }
            else if (PyAsyncGen_CheckExact(gen)) {
                msg = "can't send non-None value to a "
                      "just-started async generator";
            }
            PyErr_SetString(PyExc_TypeError, msg);
            return NULL;
        }
    } else {
        /* Push arg onto the frame's value stack */
        result = arg ? arg : Py_None;
        Py_INCREF(result);
        *(f->f_stacktop++) = result;
    }

    /* Generators always return to their most recent caller, not
     * necessarily their creator. */
    Py_XINCREF(tstate->frame);
    assert(f->f_back == NULL);
    f->f_back = tstate->frame;

    gen->gi_running = 1;
    gen->gi_exc_state.previous_item = tstate->exc_info;
    tstate->exc_info = &gen->gi_exc_state;
    result = PyEval_EvalFrameEx(f, exc);
    tstate->exc_info = gen->gi_exc_state.previous_item;
    gen->gi_exc_state.previous_item = NULL;
    gen->gi_running = 0;

    /* Don't keep the reference to f_back any longer than necessary.  It
     * may keep a chain of frames alive or it could create a reference
     * cycle. */
    assert(f->f_back == tstate->frame);
    Py_CLEAR(f->f_back);

    /* If the generator just returned (as opposed to yielding), signal
     * that the generator is exhausted. */
    if (result && f->f_stacktop == NULL) {
        if (result == Py_None) {
            /* Delay exception instantiation if we can */
            if (PyAsyncGen_CheckExact(gen)) {
                PyErr_SetNone(PyExc_StopAsyncIteration);
            }
            else {
                PyErr_SetNone(PyExc_StopIteration);
            }
        }
        else {
            /* Async generators cannot return anything but None */
            assert(!PyAsyncGen_CheckExact(gen));
            _PyGen_SetStopIterationValue(result);
        }
        Py_CLEAR(result);
    }
    else if (!result && PyErr_ExceptionMatches(PyExc_StopIteration)) {
        const char *msg = "generator raised StopIteration";
        if (PyCoro_CheckExact(gen)) {
            msg = "coroutine raised StopIteration";
        }
        else if PyAsyncGen_CheckExact(gen) {
            msg = "async generator raised StopIteration";
        }
        _PyErr_FormatFromCause(PyExc_RuntimeError, "%s", msg);

    }
    else if (!result && PyAsyncGen_CheckExact(gen) &&
             PyErr_ExceptionMatches(PyExc_StopAsyncIteration))
    {
        /* code in `gen` raised a StopAsyncIteration error:
           raise a RuntimeError.
        */
        const char *msg = "async generator raised StopAsyncIteration";
        _PyErr_FormatFromCause(PyExc_RuntimeError, "%s", msg);
    }

    if (!result || f->f_stacktop == NULL) {
        /* generator can't be rerun, so release the frame */
        /* first clean reference cycle through stored exception traceback */
        exc_state_clear(&gen->gi_exc_state);
        gen->gi_frame->f_gen = NULL;
        gen->gi_frame = NULL;
        Py_DECREF(f);
    }

    return result;
}

http://apizza.cc/?f=chromeapp

df = df.replace(regex={'^="': '', '"$': ''})

跟你的js一致的

df.replace(r'="(.*)"', '\g<1>', regex=True)

這個(gè)是動(dòng)態(tài)加載的,使用rest api,
使用瀏覽器調(diào)用這個(gè)

https://yuba.douyu.com/allclassify/anchorlist/list/516

就已經(jīng)調(diào)用二次動(dòng)態(tài)rest api

簡(jiǎn)單爬取斗魚主播信息代碼

import requests
r = requests.get('https://yuba.douyu.com/wbapi/web/groupRecom/anchor?fid=516&page=1&pagesize=30&timestamp=0.09703142416533206')
print(r.json())

在中間網(wǎng)站我請(qǐng)求兩次，第一次通過 GET 方式請(qǐng)求這個(gè)表單頁(yè)面從而獲取 token，第二次帶上這個(gè) token 發(fā)起 POST 請(qǐng)求，這樣不就成功偽裝了嗎？我這個(gè)想法應(yīng)該有問題，但好像又可以，錯(cuò)在哪？

中間網(wǎng)站是什么？

如果是指中間人攻擊，那么，你應(yīng)該關(guān)注的是 HTTPS。CSRF 不處理中間人攻擊。

如果是指第三方網(wǎng)站，那么，除非你的網(wǎng)站通過 Access-Control-Allow-Origin 頭允許，否則第三方網(wǎng)站無(wú)法讀取請(qǐng)求返回的內(nèi)容（跟其它一些跨域請(qǐng)求的處理一樣，能請(qǐng)求，但是未經(jīng)允許不得訪問），也就拿不到 token。

PS: 這么基礎(chǔ)的問題，那么多回答，竟然只有一個(gè)稍微靠譜點(diǎn)的…………

官方文檔：Apple Documentation on copying collections

根據(jù)文檔說明，深度拷貝有幾種

1. 比較便捷的方法拷貝數(shù)組，使用initWithArray:copyItems:方法，將copyItems設(shè)置為YES

   NSArray *deepCopyArray=[[NSArray alloc] initWithArray:array copyItems:YES];

2. 使用NSKeyedArchiver進(jìn)行歸檔，然后解檔，深度拷貝一份

   NSArray *trueDeepCopyArray = [NSKeyedUnarchiver unarchiveObjectWithData:
             [NSKeyedArchiver archivedDataWithRootObject:oldArray]];

試試這樣：

df = pd.read_table('file.txt', sep='[ |\t]', encoding='utf-8', engine='python')

sep='[ |t]'表示用空格或tab做分隔符。

你說的沒有錯(cuò)，確實(shí)安裝云鎖的問題，之前我找了很多答案，都不對(duì)