小编Hir*_*ida的帖子

我只是想改变包含搜索路径顺序(我相信).

但由于重复,它不会改变.我该怎么改变它？

我想有默认设置,因为我没有指定的路径出现.喜欢/usr/include/c++/4.2.1,/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/6.0/include

 "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name test_common.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 241.9 -v -gdwarf-2 -coverage-file /Users/machidahiroaki/RubymineProjects/caffe/.build_debug/src/caffe/test/test_common.o -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/6.0 -D DEBUG -D CPU_ONLY -I /usr/local/include -I /usr/local/include -I /Users/machidahiroaki/anaconda/include -I /Users/machidahiroaki/anaconda/include/python2.7 -I /Users/machidahiroaki/anaconda/lib/python2.7/site-packages/numpy/core/include -I .build_debug/src -I ./src -I ./include -I /usr/local/atlas/include -stdlib=libstdc++ -O0 -Wall -Wno-sign-compare -Wno-unneeded-internal-declaration -fdeprecated-macro -fdebug-compilation-dir /Users/machidahiroaki/RubymineProjects/caffe -ferror-limit 19 -fmessage-length 0 -pthread -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.10.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option …

当我尝试使用ctime_s编译cpp代码时,use of undeclared identifier 'ctime_s'发生了.我该如何解决？

main.cpp中

#include <iostream>
#include <time.h>

int main(int argc, const char * argv[]) {
    // insert code here...
    std::cout << "Hello, World!\n";
    time_t a;
    char tt[26];
    time(&a);
    ctime_s(tt,sizeof(tt),&a);
    printf("%s",tt);
    return 0;
}

结果

Machida-no-MacBook-Air:KnowledgeBase machidahiroaki$ gcc main.cpp --verbose
Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
Target: x86_64-apple-darwin14.1.0
Thread model: posix
 "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name main.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 242 -v …

我为caffe构建得到了这个错误.我该如何解决？我正在使用Mac OSX Yosemite 10.10.1.

CONSOLE LOG

Machida-no-MacBook-Air:caffe machidahiroaki$ /usr/bin/clang++ -shared -o .build_release/lib/libcaffe.so .build_release/src/caffe/proto/caffe.pb.o .build_release/src/caffe/proto/caffe_pretty_print.pb.o .build_release/src/caffe/blob.o .build_release/src/caffe/common.o .build_release/src/caffe/data_transformer.o .build_release/src/caffe/dataset_factory.o .build_release/src/caffe/internal_thread.o .build_release/src/caffe/layer_factory.o .build_release/src/caffe/layers/absval_layer.o .build_release/src/caffe/layers/accuracy_layer.o .build_release/src/caffe/layers/argmax_layer.o .build_release/src/caffe/layers/base_data_layer.o .build_release/src/caffe/layers/bnll_layer.o .build_release/src/caffe/layers/concat_layer.o .build_release/src/caffe/layers/contrastive_loss_layer.o .build_release/src/caffe/layers/conv_layer.o .build_release/src/caffe/layers/cudnn_conv_layer.o .build_release/src/caffe/layers/cudnn_pooling_layer.o .build_release/src/caffe/layers/cudnn_relu_layer.o .build_release/src/caffe/layers/cudnn_sigmoid_layer.o .build_release/src/caffe/layers/cudnn_softmax_layer.o .build_release/src/caffe/layers/cudnn_tanh_layer.o .build_release/src/caffe/layers/data_layer.o .build_release/src/caffe/layers/dropout_layer.o .build_release/src/caffe/layers/dummy_data_layer.o .build_release/src/caffe/layers/eltwise_layer.o .build_release/src/caffe/layers/euclidean_loss_layer.o .build_release/src/caffe/layers/exp_layer.o .build_release/src/caffe/layers/flatten_layer.o .build_release/src/caffe/layers/hdf5_data_layer.o .build_release/src/caffe/layers/hdf5_output_layer.o .build_release/src/caffe/layers/hinge_loss_layer.o .build_release/src/caffe/layers/im2col_layer.o .build_release/src/caffe/layers/image_data_layer.o .build_release/src/caffe/layers/infogain_loss_layer.o .build_release/src/caffe/layers/inner_product_layer.o .build_release/src/caffe/layers/loss_layer.o .build_release/src/caffe/layers/lrn_layer.o .build_release/src/caffe/layers/memory_data_layer.o .build_release/src/caffe/layers/multinomial_logistic_loss_layer.o .build_release/src/caffe/layers/mvn_layer.o .build_release/src/caffe/layers/neuron_layer.o .build_release/src/caffe/layers/pooling_layer.o .build_release/src/caffe/layers/power_layer.o .build_release/src/caffe/layers/relu_layer.o .build_release/src/caffe/layers/sigmoid_cross_entropy_loss_layer.o .build_release/src/caffe/layers/sigmoid_layer.o .build_release/src/caffe/layers/silence_layer.o .build_release/src/caffe/layers/slice_layer.o .build_release/src/caffe/layers/softmax_layer.o .build_release/src/caffe/layers/softmax_loss_layer.o .build_release/src/caffe/layers/split_layer.o .build_release/src/caffe/layers/tanh_layer.o .build_release/src/caffe/layers/threshold_layer.o .build_release/src/caffe/layers/window_data_layer.o .build_release/src/caffe/leveldb_dataset.o .build_release/src/caffe/lmdb_dataset.o .build_release/src/caffe/net.o .build_release/src/caffe/solver.o .build_release/src/caffe/syncedmem.o .build_release/src/caffe/util/benchmark.o .build_release/src/caffe/util/im2col.o .build_release/src/caffe/util/insert_splits.o .build_release/src/caffe/util/io.o .build_release/src/caffe/util/math_functions.o .build_release/src/caffe/util/upgrade_proto.o …

在模块对话框中，我想更改输入值 (#quaggaIsbn) 的值。我试过了，document.getElementById("quaggaIsbn").value = result.codeResult.code但它没有反映到表单发送到服务器的值中。如何更改 Formik 发送到服务器的值？

新建项目对话框.js

import React from 'react';
import PropTypes from 'prop-types'
import { Formik, Field, Form } from 'formik'
import { TextField} from 'formik-material-ui'
import { makeStyles } from '@material-ui/core/styles'
import Button from '@material-ui/core/Button'
import Dialog from '@material-ui/core/Dialog'
import DialogTitle from '@material-ui/core/DialogTitle'
import DialogActions from '@material-ui/core/DialogActions'
import DialogContent from '@material-ui/core/DialogContent'
import styles from './NewProjectDialog.styles'
import Quagga from 'quagga';

const useStyles = makeStyles(styles)

function NewProjectDialog({ onSubmit, open, onRequestClose }) {
  const classes = useStyles() …

有用.

方法声明

<T> Session<T> start(Criteria<T> criteria, List<Property<T>> orders);

用法

Criteria<? extends Product> criteria = Utils.getCriteria();
Session<? extends Product> session = null;
session = Service.start(criteria, null);

它不起作用.

方法声明

<T> List<Session<T>> start(Criteria<T> criteria, List<Property<T>> orders)

用法

Criteria<? extends Product> criteria = Utils.getCriteria();
List<Session<? extends Product>> sessions = null;
sessions = Service.start(criteria, null);

错误信息

Type mismatch: cannot convert from List<Session<capture#2-of ? extends Product>> to List<Session<? extends Product>>

如果我将方法声明更改为此,它可以工作.

<T> List<Session<? extends T>> start(Criteria<? extends T> criteria, List<Property<? extends T>> orders)

为什么这个方法声明不起作用？

<T> List<Session<T>> …

我正在尝试编写测试,保存公司对象.但是,公司对象未保存,并且表中没有公司记录.为什么以及如何解决问题？

DB/schema.rb

ActiveRecord::Schema.define(version: 20140626075006) do
  create_table "companies", force: true do |t|
    t.string   "name"
    t.datetime "created_at"
    t.datetime "updated_at"
  end
end

应用程序/模型/ company.rb

class Company < ActiveRecord::Base
end

规格/工厂/ companies.rb

FactoryGirl.define do
  factory :company do
    name "MyString"
  end
end

规格/型号/ company_spec.rb

require 'spec_helper'

describe Company do
  let(:company) { FactoryGirl.create(:company) }
  context "test context"do
    it "test" do
      Company.first.name
    end
  end
end

投机/ spec_helper.rb

ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
require 'rspec/autorun'
Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }
RSpec.configure do |config|
  config.fixture_path …