当我尝试将@EachPatternList用于:
@EachPattern(
regexp = "^[a-z]+",
message = "Invalid"
)
public List<String> getTestItems()
{
return Arrays.asList( "aaaaa" );
}
Run Code Online (Sandbox Code Playgroud)
我收到以下错误:
Caused by: javax.validation.ConstraintDefinitionException: HV000243: Constraint cz.jirutka.validator.collection.constraints.EachPattern references constraint validator type cz.jirutka.validator.collection.CommonEachValidator, but this validator is defined for constraint type java.lang.annotation.Annotation.
at org.hibernate.validator.internal.engine.constraintvalidation.ClassBasedValidatorDescriptor.of(ClassBasedValidatorDescriptor.java:48)
at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorDescriptor.forClass(ConstraintValidatorDescriptor.java:49)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.lambda$getDefaultValidatorDescriptors$6(ConstraintHelper.java:1001)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.getDefaultValidatorDescriptors(ConstraintHelper.java:1002)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.lambda$getAllValidatorDescriptors$2(ConstraintHelper.java:730)
at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper$ValidatorDescriptorMap.computeIfAbsent(ConstraintHelper.java:1043)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper$ValidatorDescriptorMap.access$100(ConstraintHelper.java:1033)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.getAllValidatorDescriptors(ConstraintHelper.java:730)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.findValidatorDescriptors(ConstraintHelper.java:744)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.assertValidationAppliesToParameterSetUpCorrectly(ConstraintHelper.java:923)
at org.hibernate.validator.internal.metadata.core.ConstraintHelper.lambda$isConstraintAnnotation$5(ConstraintHelper.java:864)
at …Run Code Online (Sandbox Code Playgroud) 我正在尝试在 Windows 上使用 bash 运行我的 shell 脚本,但它说没有这样的文件。该文件肯定存在(我从命令行检查了它)
# Tried all of these, and they all fail
bash C:/Users/myuser/Testing/my_script.sh
bash /c/Users/myuser/Testing/my_script.sh
bash -c /c/Users/myuser/Testing/my_script.sh
bash C:\Users\myuser\Testing\my_script.sh
Run Code Online (Sandbox Code Playgroud)
我只是得到:
/bin/bash: C:/Users/myuser/Testing/my_script.sh: 没有那个文件或目录
该文件确实存在:
dir C:\myuser\Testing\my_script.sh
Run Code Online (Sandbox Code Playgroud)
驱动器 C 中的卷是 Windows 卷序列号是 XXXX-XXXX
C:\myuser\Testing\my_script.sh 目录
08/15/2019 10:42 AM 7,783 my_script.sh
1 文件 7,783 字节
0 目录 370,855,380,416 字节空闲
bash 版本:
bash --version
Run Code Online (Sandbox Code Playgroud)
GNU bash,版本 4.4.19(1)-release (x86_64-pc-linux-gnu)
版权所有 (C) 2016 Free Software Foundation, Inc.
许可证 GPLv3+:GNU GPL 版本 3 或更高版本http://gnu.org/licenses /gpl.html这是免费软件;您可以自由更改和重新分发它。
在法律允许的范围内,不提供任何保证。 …
我想在字符串的开头找到选项卡的数量(当然我希望它是快速运行的代码 ;) )。这是我的想法,但不确定这是否是最好/最快的选择:
//The regular expression
var findBegTabs = /(^\t+)/g;
//This string has 3 tabs and 2 spaces: "<tab><tab><space>something<space><tab>"
var str = " something ";
//Look for the tabs at the beginning
var match = reg.exec( str );
//We found...
var numOfTabs = ( match ) ? match[ 0 ].length : 0;
Run Code Online (Sandbox Code Playgroud)
另一种可能性是使用循环和 charAt:
//This string has 3 tabs and 2 spaces: "<tab><tab><space>something<space><tab>"
var str = " something ";
var numOfTabs = 0;
var start = 0;
//Loop and count …Run Code Online (Sandbox Code Playgroud) 如果我创建了一个实现另一个类的类(例如class MyFragment extends Fragment),当我开始在类中输入时,它不会给我父类方法的代码完成.如何显示或获取可以从中选择的弹出窗口?
例如,MyFragment输入public void onCre中没有显示任何内容.(但是在输入整个方法之后,它编译得很好.)
我想在所有的以下网址的文件扩展名匹配仅达问号.因此URL#4将匹配"file.pdf"中的pdf,而不匹配"otherfile.exe"中的"exe".
http://www.someplace.com/directory/file.pdf
http://www.someplace.com/directory/file.pdf?otherstuff=true
http://www.someplace.com/directory/file.pdf?other=true&more=false
http://www.someplace.com/directory/file.pdf?other=true&more=false&value=otherfile.exe
Run Code Online (Sandbox Code Playgroud)
我该怎么做呢?
我尝试过这个,但它不起作用:
([^\.]+)(\?|[^\?]$)+
Run Code Online (Sandbox Code Playgroud) 我需要知道PHPMailer是否无法发送电子邮件.但即使发送到假电子邮件地址也会返回true:
$phpmailer = new PHPMailer( true );
$phpmailer->setFrom( "myemail@myemailladdy.com", "myemail@myemailladdy.com" );
//This is definitely not reachable
$phpmailer->addAddress( "fake@shdsabdasdiuahsdiuhaiduhasidsjdfake.com", "IJustPressedRandomKeys" );
$phpmailer->Subject = "fake";
$phpmailer->Body = "fake";
echo "Is Mail: " . $phpmailer->IsMail();
//This prints "1"
echo "Was Sent: " . $phpmailer->send();
Run Code Online (Sandbox Code Playgroud)
为什么这个返回1/true?
(当电子邮件有效时,我收到电子邮件,因此PHPMailer设置正确)
当有人点击或悬停在元素上时,我为元素设置了CSS样式.在移动版Safari上,当用户点击它以转到新页面然后点击浏览器的后退按钮时,它仍然以"点击"颜色显示.有办法阻止这个吗?
.button:hover, .button:active
{
color: red;
}
Run Code Online (Sandbox Code Playgroud) 我一直在尝试master用另一个分支替换repo的分支,但我尝试的每一种方式,它都保留了不在另一个分支中的提交.例如,另一个分支有121个提交,但在命令之后(两个集合都在下面),master显示216个提交!
尝试#1
#Replacing master with otherBranch branch
git checkout otherBranch
git merge -s ours master
git checkout master
git merge otherBranch
git push
Run Code Online (Sandbox Code Playgroud)
尝试#2
git checkout otherBranch
git push git@github.com:remoteRepo :master
#Also tried
git checkout otherBranch
git push git@github.com:remoteRepo +otherBranch:master
Run Code Online (Sandbox Code Playgroud)
两者都以相同的结果结束.
那么如何用其他分支完全替换master呢?
我想在出现错误时中止请求并返回 JSON。但下面的代码只是返回一个字符串说"Unexpected 'U'"(这不是我的信息)
我如何让它通过 JSON 响应中止?
requestContext.abortWith(
Response.status( Response.Status.UNAUTHORIZED ).entity(
e.getMessage()
).type(
MediaType.APPLICATION_JSON
).build()
);
Run Code Online (Sandbox Code Playgroud) 我有这个类的对象列表:
class Item
{
private String name;
private String parentName;
private Integer someValue;
private Double anotherValue;
public Item() {}
//...elided getters/setters...
}
Run Code Online (Sandbox Code Playgroud)
我有一个列表,其中包含以下值:
//PSEUDO CODE (Not JavaScript, but using JSON is easier to follow)
List<Item> items = [
{
"name": "Joe",
"parentName": "Frank",
"someValue": 10,
"anotherValue": 15.0
},
{
"name": "Joe",
"parentName": "Frank",
"someValue": 40,
"anotherValue": 0.5
},
{
"name": "Joe",
"parentName": "Jack",
"someValue": 10,
"anotherValue": 10.0
},
{
"name": "Jeff",
"parentName": "Frank",
"someValue": 10,
"anotherValue": 10.0
}
];
Run Code Online (Sandbox Code Playgroud)
我希望将其合并到此列表中: …
java ×4
javascript ×3
php ×2
regex ×2
android ×1
bash ×1
css ×1
css3 ×1
git ×1
hibernate ×1
html ×1
html5 ×1
jakarta-ee ×1
java-8 ×1
jax-rs ×1
jersey ×1
json ×1
optimization ×1
phpmailer ×1
shell ×1
spring ×1
spring-boot ×1
validation ×1
windows ×1
windows-10 ×1