public class Messager implements Runnable {
public static void main(String[] args) {
new Thread(new Messager("Wallace")).start();
new Thread(new Messager("Gromit")).start();
}
private String name;
public Messager(String name) {
this.na
我不明白为什么下面的代码将字符串作为字符串返回,而不是以html的形式返回,
function en_code($string)
{
# find the match of [br] = a break = <br>
$output = preg_replace('/\[(?: |\s)*([br]+)(?: |\s)*\]/', '<$1 />', $string);
# return the result
return $output;
}
$st
我有一个数据库,其中有两个我想加入的表。
Table1: Employee
Table2: Video_Store
这两个表都有一个视频存储id (VS_ID)。我希望它能显示员工的名字和姓氏,以及他们所关联的VS_ID。当我运行以下语句时:
select Video_Store.VS_ID, Video_Store.VS_Name, Employee.E_LName, Employee.E_FName
from Video_Store, Employee
这就是结果。每个员工只有一个VS_ID,而不是六个。怎样才能减少冗余?
1. 1 West Street Borg James
在下表中,我试图找到以下语句:对于每个员工,显示每个员工有多少名员工?
NAME SSN BDATE SEX SALARY SUPERSSN DNO
------------------- --------- --------- --- ---------- --------- --------
John B Smith 123456789 09-JAN-55 M 30000 333445555 5
Franklin T Wong 333445555 08-DEC-45 M 40000
它以csv文件的形式存在
Name
Southern_Union_State_Community_College
Northwest–Shoals Community College
Central Alabama Community College
Gadsden State Community College[c]
Community College of the Air Force
Shelton State Community College[c]
Chattahoochee Valley Community College
Lurleen B. Wallace Community C
我正在尝试从一个旧的网页中提取文本,并且遇到了麻烦。检查网页()的来源时,文本开始:
> </div></div><span class="displaytext"><b>PARTICIPANTS:</b><br>Former Secretary of State
> Hillary Clinton (D) and<br>Businessman Donald Trump
> (R)<p><b>MODERATOR:</b><br>C
我已经在我现有的CI v1.7应用程序中安装了grocery_crud,文件/页面连接到db并加载良好,但是当我单击编辑按钮时,会得到以下错误:
Fatal error: Cannot redeclare class Fatal error: Cannot redeclare class Error in /home/wallace/public_html/wallacep/controllers/wallace/error.php on line 6
然后我注意到编辑按钮的url是:http://dev1.wallacep.stag/index.php/main/edit/2,它保留了ind
我正在尝试使用employee将值插入到MySQL表中。
我的代码
INSERT INTO employee
VALUES(100, 'David', 'Wallace', '1967-11-17', 'M', 250000, NULL, NULL);
错误
ER_PARSE_ERROR: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version
for the right
我有很多像这样的字符串。Python语言中是否有可以提取名称、期刊、日期、标题、...etc的库? Wallace, Kelly. "Bush Stands Pat on Stem Cell Policy." CNN. 13 Aug. 2001. 我尝试使用pybtex,但是没有为string返回任何内容,它必须是特定格式的。 from pybtex.database import parse_file,parse_string
print(parse_string('Wallace, Kelly. "Bush Stands Pat on Stem Cell
我使用fastJson库将json字符串反序列化为"Person“对象。Person类的定义如下:
class Person
{
public string type;
public string id;
public string name;
}
Json字符串是:
[{
"type": "/basketball/basketball_player",
"id": "/en/rasheed_wallace",
"name": "Rasheed Wallace"
我有一个像这样的json数据:
var data = [{
"RM_Name": "Cloud Strife",
"Division": "Avalanche",
"RM_Phone": "No Phone",
"RC_Name": "No RM",
"RC_Phone": "No Phone",
"States_Covered": "Midgar,Nibelhei
我正在循环一个多维数组,并留下一些值。
这是完整的PHP代码。
<?php
/**
* Each designer is required 3x per week,
* add their name 3 times to allow for the count.
*
* [array_pop] removes the designer from the sub-array
* u[sort($designers, "sortByTotalItems")] then moves the designers with more names remaining
今天,我试着用一个我从Github上取来的代码来使用TamperMonkey:https://gist.github.com/drew-wallace/e77d514a568ed378b942e9d0fa142356。有很多错误。如果我漏掉了什么让我知道。显示刚刚打开它的是"srcwnd is not defined."。