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javascript - How to get the value of flag in search.jsp?flag="+flag in the js of the jump page?

The page before jumping: var url = "search.jsp?flag="+flagwindow.location.href=url; How to get the flag value from js in search.jsp? <% String flag=request.getParameter("flag"); %>In this way, the alert will be object HTMLInputEle

天蓬老師 2017-05-19 10:13:24 0  1  667

Title rewritten as: "Regular expression that works when using the u flag, but not when using the v flag"

I encountered the following console warning in this regex pattern: ^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9]+\\.[a-zA- Z0-9]+$Patternattributevalue^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9]+\.[a-zA-Z0-9]+$ is using the RegExpu flag Valid, but not with v flag: UncaughtSyntaxError:Invalidregularexpre

P粉684720851 2023-08-25 15:47:43 0  1  643

How does GitHub make commits with flag icons?

Today I saw an interesting project on github - it has a commit that starts with the British flag, as shown below. When I move the mouse up, I can see :gb:. How do you do this? What about the Chinese flag? Project address: https://github.com/wagerfield/flat-surface-s...

曾經(jīng)蠟筆沒(méi)有小新 2017-05-02 09:23:12 0  3  986

Python classes that inherit threads cannot end threads through flag bits

When testing the producer-consumer model, I encountered such a problem. I added a flag mark {code...} {code...} after inheriting the thread. I originally expected to use this flag to control the end of the thread. But the actual effect is that the program gets stuck in worker.join() and does not exi...

黃舟 2017-05-18 11:02:22 0  1  946

How to solve the "unknown flag: --progress" error that occurs when "ddev start"?

I'm trying to launch my Drupal 9 website using ddev, but I'm getting the error: Unknown flag: --progress. When I type "ddev version" the result is as follows: item value DDEV version v1.22.0 Architecture amd64 Database ddev/ddev-dbserver-mariadb-10.4:v1.22.0 ddev-ssh-agent ddev/ddev...

P粉216807924 2023-08-06 18:12:28 0  1  962

Display selected country flags in Vue

After selecting a country, the flag must be displayed in the selection options. I need to do this in Vue. newVue({el:'#app',vuetify:newVuetify(),data:{select:null,countries:[{name:"Albania",flag:"em-flag-al"},{name:"Anguilla" ,flag:"em-flag

P粉464082061 2023-12-28 16:51:54 0  1  618

Generate unique random numbers within a certain range

I need to generate random unique numbers within a certain range, how can I do this? I can generate random numbers via generator:$arr=[];$x=rand($min,$max);$len=count($arr);$flag=0;for($i=0;$i< $len;$i++){if($flag===1)gotogenerator;if($x===$arr[$i])$flag=1;}$arr[$index]=$x;$index++

P粉087951442 2023-10-15 20:51:55 0  2  704

javascript - Problem with combining v-for and v-if in vue?

Use v-for to traverse N follow buttons, click one of the follow buttons, and the corresponding follow button becomes followed. The first time I did this {code...} I found that clicking one changed everything, and then I changed the flag Changed to an array {code...}

PHP中文網(wǎng) 2017-06-26 10:53:49 0  2  831

javascript - How to remove the "no file selected" flag for input type=file?

&lt;input type="file"&gt; I want to remove the words "No file selected" at the end. What should I do?

高洛峰 2017-05-16 13:32:37 0  5  2202

Why do regular expressions for global flags cause incorrect output?

What's wrong with this regex when I use global flag and case insensitive flag? Queries are user-generated input. The result should be [true,true]. varquery='FooB';varre=newRegExp(query,'gi');varresult=[];result.push(re.test('FooBar'));result.push(re.test('FooBar')); //The result will be [true,false]...

P粉282627613 2023-08-22 19:11:39 0  2  641

javascript - weex When extending native components, how to locate components at the same level? Can you hide or show an adjacent component?

After tracing the android code, I found that it was impossible to obtain the class flag for positioning through DomObject. <text class="hi&gt;&lt;/text&gt;&lt;my_component&gt;&lt;/my_component&gt;If my component needs to respond to an event or gesture, I need to h...

伊謝爾倫 2017-05-18 10:49:57 0  1  504

javascript - I want to take out a certain attribute of the object in an array (objects are placed in it), and then reconstruct it after deduplication. Is there any good way?

It is such an array. I want to take out the value of team_name in each object. After deduplication, form [{"teamName": "value of team_name",flag: false},{},{},,,] In this form (all flags are false), I thought of a solution (below) and wanted to ask what are the advantages...

大家講道理 2017-05-19 10:27:10 0  6  803

What is JavaScript garbage collection?

What is JavaScript garbage collection? For web programmers, understanding the importance of JavaScript garbage collection is important in order to write better code.

P粉334721359 2023-08-17 11:15:23 0  2  730

mysql - Problems with coherent operation in ThinkPHP3.2.3?

代碼 SQL語(yǔ)句為SELECT crsIpint,crsIpout,crsName,wfdz,CheckStatus,0 AS flag FROM vehicle.crossing AS t1 LEFT JOIN ( SELECT * FROM caminfo.devs_ip_status WHERE type = 95 ) AS t2 ON( t1.crsId = t2.Devi...

過(guò)去多啦不再A夢(mèng) 2017-07-05 10:46:05 0  3  1044

What are JavaScript hook functions?

What are JavaScript hook functions?

僅有的幸福 2017-06-12 09:30:25 0  3  1089

c++ calls javascript

Is there any library or related method to call javascript method?

大家講道理 2017-07-03 11:42:24 0  1  1723

JavaScript Tutorial: Using JavaScript to create and read values ??in cookies

How to create and read the value of a cookie in JavaScript?

P粉752290033 2023-08-21 17:43:22 0  2  629

When writing HTML to connect JavaScript files on Dreamweaver, the JavaScript code does not work. Please help! ?

I have just started learning JavaScript recently, and the tool I use is Adobe Dreamweaver CC 2017. After I finished writing the HTML file, I wanted to link to a JavaScript file, but the JavaScript file did not work. I don't know if it's a problem with the software or my code...

漂亮男人 2017-06-12 09:32:13 0  7  1467

How to realize the positional relationship between points and circles in JavaScript

How to realize the positional relationship between JavaScript point and circle. How to realize the positional relationship between JavaScript point and circle. How to realize the positional relationship between JavaScript point and circle. How to realize the positional relationship between JavaScrip...

ゞ歡ゞ 2018-12-04 09:00:47 0  0  1496

Does JavaScript support MySQL database connections?

Can JavaScript connect to MySQL? If so, how?

P粉555682718 2023-08-20 18:02:52 0  2  607