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phpcms v9内容页/下载页更新时间（updatetime）为空的解决方法 - 更多技术 ...
...ms/modules/content/content.php
public function add() {
if(isset($_POST['dosubmit']) || isset($_POST['dosubmit_continue'])) {
define('INDEX_HTML',true);
$catid = $_POST['info']['catid'] = intval($_POST['info']['catid']);
...
C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
...s>
auto commit(F&& f, Args&&... args) ->future<decltype(f(args...))>
{
if (!_run)
throw runtime_error("commit on ThreadPool is stopped.");
using RetType = decltype(f(args...)); // typename std::result_of<F(Args...)>::type, 函数 f 的返回值类型
auto task = make_shared<packaged_ta...
gcc编译警告：misleading-indentation - C/C++ - 清泛网 - 专注C/C++及内核技术
...格的缩进问题导致。实例1：Tab、空格混用将：[空格] if(err)[空格] fprintf(stderr, "op faile misleading-indentation（不正确的缩进），一般都是Tab及空格的缩进问题导致。
实例1：Tab、空格混用
将：
[空格] if(err)
[空格] ...
App Inventor 2 地图与电子围栏教程 - LocationSensor与地图组件 · App Inventor 2 中文网
...116.4074)))
when Screen1.Initialize() {
var i = 1
while i 0.5m/s）
if speed > 0.5 {
addItemsToList(global_latList, latitude)
addItemsToList(global_lngList, longitude)
// 更新路径线
if lengthOfList(global_latList) > 1 {
Map1.ClearLineStrings() // Placeholder
...
聊天机器人 · App Inventor 2 中文网
...lower(trim(输入))
var 回复文本 = join("我听到了：", 输入)
if textcontains(文本, "不开心") {
回复文本 = "听起来你有点难过，先休息一下吧。"
} else if textcontains(文本, "你好") {
回复文本 = "你好！今天想聊点什么？"
} else if text...
Git rebase merge conflict cannot continue
...
There are a couple situations where I've seen rebase get stuck. One is if the changes become null (a commit has changes that were already made previously in the rebase) in which case you may have to use git rebase --skip.
It's pretty easy to tell. If you do git status it should show no changes....
How to tell which colorscheme a Vim session currently uses
...the name of the colour scheme.
Therefore, try this:
echo g:colors_name
If you get E121, it's either a poorly made colour scheme or it's the default one.
A shinier way of doing this is (for recent versions of vim):
function! ShowColourSchemeName()
try
echo g:colors_name
catch /^...
Getting the last revision number in SVN?
...You can get the output in XML like so:
$output = `svn info $url --xml`;
If there is an error then the output will be directed to stderr. To capture stderr in your output use thusly:
$output = `svn info $url 2>&1`;
...
Single vs double quotes in JSON
...
If you need to use double quotes all around, you can call json.dumps(..) twice as in: import json; d = dict(tags=["dog", "cat", "mouse"]); print json.dumps(json.dumps(d)) which gives: "{\"tags\": [\"dog\", \"cat\", \"mouse\"...
App Inventor 2 NFC应用教程 - 读取NFC标签与门禁卡 · App Inventor 2 中文网
...复制门禁卡！ 原因：
大多数门禁卡使用加密扇区（如Mifare Classic的Key A/B）
复制门禁卡需要专门的NFC写入硬件
Android系统限制了NFC卡模拟的权限
这涉及安全和法律问题
App Inventor能做的：
读取NFC标签的基本信息（UID、ND...