好吧,我执行ls -l并得到了这个,
-rw-rw--w- app_34 app_34 75 2011-08-30 23:38 dados.txt
Run Code Online (Sandbox Code Playgroud)
现在我如何查看.txt文件的内容?有可能吗?
想象一下,我有这个字符串:
$info="portugal,alemanha,belgica,porto 1-0 alemanha, belgica 2-0";
Run Code Online (Sandbox Code Playgroud)
我想知道第二个字符" - "的位置,所以我希望结果2-0而不是结果1-0.
我正在使用这个功能,但它总是返回第一个位置,
$pos = strpos($info, '-');
Run Code Online (Sandbox Code Playgroud)
任何的想法?谢谢
好吧,我正试图从rss中捕获日期,我在logcat中得到了这个execption:
E/AndroidNews( 870): Caused by: java.text.ParseException: Unparseable date: "Su
n, 02 Oct 2011 14:00:00 +0100"
E/AndroidNews( 870): at java.text.DateFormat.parse(DateFormat.java:626)
E/AndroidNews( 870): at com.warriorpoint.androidxmlsimple.Message.setDate(Mes
sage.java:57)
Run Code Online (Sandbox Code Playgroud)
我的格式化程序是
static SimpleDateFormat FORMATTER = new SimpleDateFormat("yyyy-MM-dd HH:mm");'
我的方法setDate();
public void setDate(String date) {
this.date=null;
// pad the date if necessary
while (!date.endsWith("00")){
date += "0";
}
try {
this.date = FORMATTER.parse(date.trim());
} catch (ParseException e) {
throw new RuntimeException(e);
}
}
Run Code Online (Sandbox Code Playgroud) <h:inputText id="myInputText"
title="The text from validation message here"
style="#{component.valid? '' : 'border-color:red'}"
validator="#{MyBean.validate}"
required="true"
requiredMessage="required"
value="#{MyBean.value} />
<p:message for="myInputText" display="text"/>
Run Code Online (Sandbox Code Playgroud)
由于我想在 inputText 组件中自定义查找失败的验证,并且我知道可以知道组件是否已成功验证,因此我想知道它是否可行以及如何获取验证消息,以便将其显示为我的 inputText 组件的标题。
我有这个字符串
String x = "2013-04-17T08:00:00.001,41.14806,-9.58972,-13.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-22.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-31.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-40.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-49.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-58.0,0.0,0.0,-20.0,4|2013-04-17T08:00:00.001,41.14806,-9.58972,-64.0,0.0,0.0,-20.0,4";
Run Code Online (Sandbox Code Playgroud)
如果我正在进行这样的分割String vec2 [] = x.split(",");输出就是这个
2013-04-17T08:00:00.001
41.14806
-9.58972
-13.0
0.0
0.0
-20.0
Run Code Online (Sandbox Code Playgroud)
等等.
如果我这样做分割String vec2[] = x.split("|");输出是这样的:
2
0
1
3
-
0
4
-
1
7
T
0
8
:
0
0
:
Run Code Online (Sandbox Code Playgroud)
等等.
我期待类似的东西:
2013-04-17T08:00:00.001,41.14806,-9.58972,-13.0,0.0,0.0,-20.0,4
2013-04-17T08:00:00.001,41.14806,-9.58972,-22.0,0.0,0.0,-20.0,4
and so on
Run Code Online (Sandbox Code Playgroud)
知道什么是错的吗?
我正在尝试按照此官方教程安装yii-user的扩展
http://www.yiiframework.com/extension/yii-user/#hh2
但是我遇到了一些问题,特别是当我添加它时
user'=>array(
// enable cookie-based authentication
'class' => 'WebUser',
'allowAutoLogin'=>true,
'loginUrl' => array('/user/login'),
Run Code Online (Sandbox Code Playgroud)
到配置主.当我添加此代码时,我有此消息错误
include(WebUser.php)[function.include]:无法打开流:没有这样的文件或目录
任何线索?我以前需要做点什么吗?
提前致谢
if(y-- > 0 && matriz[x][y--]!=9 && matriz[x][y--]!=0)
Run Code Online (Sandbox Code Playgroud)
当我这样做时,我的变量y不会递减,对吧?我可以做这个比较y--> 0?
想象一下,我有y = 0,我想比较-1> 0.
谢谢
android ×2
string ×2
adb ×1
c++ ×1
comparison ×1
date ×1
exception ×1
jakarta-ee ×1
java ×1
jsf ×1
php ×1
split ×1
validation ×1
variables ×1
yii ×1