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鍍金池/ 問答/ 網(wǎng)絡(luò)安全問答
枕邊人 回答

不能


你需要基于 macOS 的服務(wù)器
xcodebuild 并不跨平臺的.

嘟尛嘴 回答
  1. 下載對應(yīng)插件的js(一般官網(wǎng)上都有提供,比如elementUI)到自己的項目中,然后使用script標(biāo)簽引入。
  2. 不想下載的話,直接script標(biāo)簽引入插件的cdn地址(官網(wǎng)上也有

elementUI官網(wǎng)上給出cdn地址:

<!-- 引入樣式 -->
<link rel="stylesheet" >
<!-- 引入組件庫 -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
膽怯 回答

page:=functions.ToInt(pag)
this.list(page,"follow")

鐧簞噯 回答

clipboard.png
正好前幾天看到一個 試了一下很強(qiáng)

挽歌 回答

官方例子都是直接返回schema沒有包裹key,忽略了可以用object包裹了。問題已解決,代碼如下

"get": {
  "tags": [
    "option_types"
    ],
  "responses": {
    "200": {
    "description": "optionType: {}; OptionValues: []",
    "schema": {
      "type": "object",
      "properties": {
        "option_type": {
          "$ref": "#/definitions/OptionType"
          },
        "option_values": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/OptionValue"
            }
          }
        }
      }
    }
  }
}
挽青絲 回答

library和model最大的不同在于有無牽涉到業(yè)務(wù)邏輯。library是不牽涉到具體的業(yè)務(wù)邏輯的,而model就不行的。
MVC中的model是對數(shù)據(jù)庫操作的一層抽象封裝,既然有了數(shù)據(jù)操作,可以認(rèn)為是業(yè)務(wù)相關(guān)的。

陪我終 回答

你貼出的這段代碼時沒有問題的。

如果User表有數(shù)據(jù),且大于五條,正常情況下 var_dump($model) 和分頁部件應(yīng)該都會顯示。

如果你的頁面一片空白,甚至連布局文件的內(nèi)容都沒有輸出的話:

1.檢查入口文件 index.php
正常 Yii2-basic 的入口文件應(yīng)該是這樣的

defined('YII_DEBUG') or define('YII_DEBUG', true);
defined('YII_ENV') or define('YII_ENV', 'dev');

require __DIR__ . '/../vendor/autoload.php';
require __DIR__ . '/../vendor/yiisoft/yii2/Yii.php';

$config = require __DIR__ . '/../config/web.php';

(new yii\web\Application($config))->run();

2.如果入口文件正常,最有可能出問題的文件就是 config/web.php

請檢查 config/web.php 文件中所有require的文件是否都存在且返回正確的內(nèi)容。例如

'aliases' => require(__DIR__ . '/aliases.php'),
$params = require __DIR__ . '/params.php';

孤星 回答

the value of mercRepository is null ,so you need to check MercRepository.java and find the reason

爆扎 回答

看你的原始字段是沒有 id 這個字段的,你應(yīng)該指定一個存在的字段

怪痞 回答

文檔, rails.env 的值就是 RAILS_ENV 環(huán)境變量的值.

# File vendor/rails/railties/lib/initializer.rb, line 55
def env
    @_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
end
逗婦惱 回答

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;
}
孤影 回答
.intro:hover {
    border-color:#74d7a5;
    box-shadow:4px 4px 0px #74d7a5 inset, -4px -4px 0px #74d7a5 inset
}

.a:hover {
    border-left: 4px solid red;
    border-right: 4px solid red;  
}

其他樣式不變.

舊螢火 回答

在虛擬機(jī)中使用再生龍軟件,將其虛擬機(jī)做成一個鏡像,然后將該鏡像安裝到其他物理機(jī)上。
說明:沒實驗過,理論上可以這樣。自己試試

北城荒 回答

一般公司都會將線上的服務(wù)器進(jìn)行主從備份,也就是兩臺服務(wù)器,一臺主要的,一臺或多臺備份的,這樣做有兩個常見的好處:
1、其中一個掛了,可以自動鏈接到另一個上繼續(xù)使用
2、更新服務(wù)器文件時,可以將現(xiàn)在還在訪問服務(wù)器的用戶暫時遷移到備份服務(wù)器上,更新主服務(wù)器,當(dāng)檢測到備份服務(wù)器的用戶訪問結(jié)束時,去主服務(wù)器上更新文件。

重啟也和上述原理相同,只是別同時重啟就行!

空痕 回答

目前我還沒找到如何銷毀oc已加載的css文件,不過有個間接方案:切換路由的時候動態(tài)給body切換class名, 每個css文件里的內(nèi)容都在body的class下,這樣可以避免全局污染,通用的class放在index.css里