弥繁
2025-02-20 15:39:51
柴油不会将任何东西迫使您。它只是从数据库系统中读取类型。因此，如果它输出 varchar 作为特定列的类型，则表示您的数据库系统记录 varchar （出于何种原因）作为此列的类型。或对此有所不同：这里的问题不是柴油，而是您的迁移，现有数据库架构和数据库之间的交互。作为您的问题架构或有关数据库系统的有关问题的一部分，我均未提供有关您的数据库系统的信息，因此我在这里没有太多的信息可以将您指向正确的方向。
弥繁
2025-02-20 11:33:23
我得到了同样的例外，但是在某些情况下，我确实具有可比较的任务。我发现，如果称为小于或等于核心线程的数量，则提交作品。
Windows上的JDK版本是：
JAVA_RUNTIME_VERSION="21.0.1+12-LTS-29"
JAVA_VERSION="21.0.1"
JAVA_VERSION_DATE="2023-10-17"
这是我拥有的代码，并在底部输出。
public class TPEMain
{
public static void main(String[] args)
{
ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(4, 10, 10,
TimeUnit.SECONDS, new PriorityBlockingQueue<Runnable>(20),
new ThreadPoolExecutor.CallerRunsPolicy());
try
{
TestTask task = new TestTask("");
Future<Boolean> fut = threadPoolExecutor.submit((Callable)task);
Boolean res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
fut = threadPoolExecutor.submit((Callable)task);
res = fut.get();
System.out.println(res);
} catch (Throwable e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
try
{
TestTask task = new TestTask("");
Future<TestTask> fut = threadPoolExecutor.submit(task, task);
Boolean res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
fut = threadPoolExecutor.submit(task, task);
res = fut.get().status;
System.out.println(res);
} catch (Throwable e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
try
{
TestTask task = new TestTask("");
Boolean res = null;
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
task = new TestTask("");
threadPoolExecutor.execute(task);
while(task.completed != true)
{
res = task.status;
}
System.out.println(res +":"+ task.completed);
}
finally
{
threadPoolExecutor.shutdown();
}
}
}
class TestTask implements Callable<Boolean>, Comparable<TestTask>, Runnable
{
String str = null;
Boolean status = null;
boolean completed = false;
public TestTask(String string)
{
str = string;
}
@Override
public int compareTo(TestTask o)
{
return str.compareTo(o.str);
}
@Override
public Boolean call() throws Exception
{
long a = System.currentTimeMillis() % 2;
if( a == 0)
return false;
if(a == 1)
return true;
return null;
}
@Override
public void run()
{
try
{
this.status = this.call();
} catch (Exception e)
{
throw new RuntimeException(e);
}
finally
{
this.completed = true;
}
}
}
输出：
true
true
true
false
java.lang.ClassCastException: class java.util.concurrent.FutureTask cannot be cast to class java.lang.Comparable (java.util.concurrent.FutureTask and java.lang.Comparable are in module java.base of loader 'bootstrap')
at java.base/java.util.concurrent.PriorityBlockingQueue.siftUpComparable(PriorityBlockingQueue.java:349)
at java.base/java.util.concurrent.PriorityBlockingQueue.offer(PriorityBlockingQueue.java:475)
at java.base/java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1368)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
at threadpool.TPEMain.main(TPEMain.java:37)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
java.lang.ClassCastException: class java.util.concurrent.FutureTask cannot be cast to class java.lang.Comparable (java.util.concurrent.FutureTask and java.lang.Comparable are in module java.base of loader 'bootstrap')
at java.base/java.util.concurrent.PriorityBlockingQueue.siftUpComparable(PriorityBlockingQueue.java:349)
at java.base/java.util.concurrent.PriorityBlockingQueue.offer(PriorityBlockingQueue.java:475)
at java.base/java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1368)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
at threadpool.TPEMain.main(TPEMain.java:59)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
true:true
false:true
false:true
false:true
true:true
false:true
false:true
弥繁
2025-02-20 04:54:09
我认为您可以从基本的线性回归开始：
假设：
- data.frame的名称是数据
- v1，v2 ... vi控制变量
- 代码将是：
# With intercept:
lm(performance~gender+V1+V2,data)
解释：性别影响力超过绩效的影响是性别= 0和性别= 1之间的差异。
# Without intercept:
lm(performance~gender+V1+V2-1,data)
解释是每个性别对绩效的平均影响。
弥繁
2025-02-19 20:35:51
使用 \ n 新行
alert("Color@100@42@1$".replace(/@/g, "@\n"))编辑后
const text = "Color@100@42@1$".replace(/@/g, "@<br />");
document.getElementById('text').innerHTML = text;<div id="text" />编辑后：添加了标签
const data = '@Red@Pros@42@1
<div id="text" />
.split('@');
const labels = ['Color', 'Shape', 'Weight', 'Price'];
let text = data.map((item, i) => (item ? `${labels[i]}:${item}` : item));
text = text.join('<br />');
document.getElementById('text').innerHTML = text;
弥繁
2025-02-19 20:28:05
OP在这里 - 我认为我解决了自己的问题！我改用“ dplyr”示例功能：
list_results <- list()
for (i in 1:100){
c1_i = c2_i = c3_i = 0
while(c1_i + c2_i + c3_i < 15 ){
num_1_i = sample_n(iris, 30)
num_2_i = sample_n(iris, 30)
num_3_i = sample_n(iris, 30)
c1_i = mean(num_1_i$Sepal.Length)
c2_i = mean(num_2_i$Sepal.Length)
c3_i = mean(num_3_i$Sepal.Length)
ctotal_i = c1_i + c2_i + c3_i
}
inter_results_i <- data.frame(i, c1_i, c2_i, c3_i, ctotal_i)
list_results[[i]] <- inter_results_i
}
出于某种原因，这起作用了！
弥繁
2025-02-19 18:21:24
您可以使用 typeof 操作员确定 keystosend 是否属于将两种原始类型之一定义为 filetypeprimitive 。 没有
const url = typeof keysToSend === "string" || keysToSend === null ? keysToSend : keysToSend.url;
如果 href =“ https://www.typescriptlang.org/play？ MM33MyawxQalAhrowMeafs6Mfgazxavhgb％20GGGG8WQWQWQIOAIVEYA0MAK7J8XGEZGAVVWWPRKAVVWPRKUMHCMHCMBMBUALAAAAAAKHSAACEGDXCABDXCABVQABVQHAAFD1LCK FWAN3CGGDCPOBGAHXGWS3X8P0D-ylsCiggQyQSZTQV1DLKH3T28RGYPSZXHHMQDYTG50LB4％20SNRHGQM6％20MTKTKTIRB-0JYAGSCCCICAGAGUKTC p2FDHuMj5EU64pngg6MtBIWGt8PkqEEAAzGC3yXYO0kYDEyRl6XnyBT%20O32h2BmSKJU0v22ALhVGhaOk4leqyeEBAhHE%20BAcGor1o3iAA" rel =“ nofollow noreferrer”>游乐场
通常，您将在运算符中使用 href =“ https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-2.html#stricter-checks-checks-for-checks-for-the-in-poerator” ）
弥繁
2025-02-19 12:07:05
这实际上是最常见的情况：当输入和索引张量与尺寸的数量不完全匹配时。您仍然可以使用 torch.gather gather 尽管您可以重写表达式：
y[b, t, f] = x[b, i[b, t], f]
AS：
y[b, t, f] = x[b, i[b, t, f], f]
确保所有三个张量都具有相等数量的尺寸。这在 i 上揭示了第三个维度，我们可以通过取消争夺维度并将其扩展到 x 的形状来轻松创建。您可以使用 i [：，none] .expand_as（x）进行操作。
这是一个最小的例子：
>>> b = 2; t = 3; f = 1
>>> x = torch.rand(b, t, f)
>>> i = torch.randint(0, t, (b, f))
>>> x.gather(1, i[:,None].expand_as(x))
弥繁
2025-02-19 01:52:41
您可以简单地将及时用户输入年龄，然后使用用户输入中的值
let life = prompt("What is your age ?")
lifeInWeeks(+life);
function lifeInWeeks(age) {
var days = (90 - age) * 365;
var weeks = (90 - age) * 52;
var months = (90 - age) * 12;
alert("You have " + days + " days, " + weeks + " weeks, and " + months + " months left.");
}您也可以移动此内部功能，在这种情况下，您需要在没有任何参数的情况下调用该功能
弥繁
2025-02-18 19:52:52
但是，如果您需要加速度计和陀螺仪，那么您需要收集自己，那么您将不得不运行前景服务。
但是，如果您只想进行加速度计和陀螺仪移动来检测活动，那么WH可以为您做到这一点。
在此处查看一些样本 https://github.com/android/android/health-shealth-samples
弥繁
2025-02-18 08:25:34
我已经通过此 Playground 。我选择了2.7.2作为打字稿版本＆amp;可以看到您看到的确切错误。
If I use typescript 2.8.1 as here, this错误消失了。因此，如果您想支持代码中的条件类型，则至少必须升级到2.8.1。
或者，您可以从代码中完全删除条件类型声明。
找到作为2.8一部分的功能的完整列表，找到了在这里
弥繁
2025-02-18 01:56:14
您可以使用我创建的实用程序函数，目的是在页面上下文中运行代码并恢复返回的值。
这是通过将函数序列化为字符串并将其注入网页来完成的。
该实用程序为在github上可用。
用法示例 -
// Some code that exists only in the page context -
window.someProperty = 'property';
function someFunction(name = 'test') {
return new Promise(res => setTimeout(()=>res('resolved ' + name), 1200));
}
/////////////////
// Content script examples -
await runInPageContext(() => someProperty); // returns 'property'
await runInPageContext(() => someFunction()); // returns 'resolved test'
await runInPageContext(async (name) => someFunction(name), 'with name' ); // 'resolved with name'
await runInPageContext(async (...args) => someFunction(...args), 'with spread operator and rest parameters' ); // returns 'resolved with spread operator and rest parameters'
await runInPageContext({
func: (name) => someFunction(name),
args: ['with params object'],
doc: document,
timeout: 10000
} ); // returns 'resolved with params object'
弥繁
2025-02-17 17:06:45
我们可以作为
library(lubridate)
times_as_hm2 <- hm("9:0")+ seconds_to_period(5 *(0:23) * 60)
检验来做到这一点
> all.equal(times_as_hm, times_as_hm2)
在上一个答案之后，您还可以使用 syncfusion xamarin xamarin xamarin commobox 是否需要许可（不确定）
网站包含有关它的信息以及代码示例和有关如何设置的示例，也有其他组合的“类型”。
Following the previous answer, you could also use SyncFusion Xamarin ComboBox, tho it might need a license (not sure)
The Website contains information about it as well as code samples and examples on how to set it up, also have other "Types" of ComboBox.
xamarin.forms我想要像Windows表单Combobox一样组合