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Difference between Role and GrantedAuthority in Spring Security
...special ROLE_ prefix. So in Spring security 3 @PreAuthorize("hasRole('ROLE_XYZ')") is the same as @PreAuthorize("hasAuthority('ROLE_XYZ')") and in Spring security 4 @PreAuthorize("hasRole('XYZ')") is the same as @PreAuthorize("hasAuthority('ROLE_XYZ')").
Regarding your use case:
Users have role...
Redirect to external URI from ASP.NET MVC controller
...ie. when I want to redirect from example.com/action to example.org/?search=xyz, using return Redirect("https://www.example.org/?search=xyz"); the result is redirecting to example.com/?search=xyz.
– Kraken101
Nov 1 '17 at 11:40
...
NSDictionary - Need to check whether dictionary contains key-value pair or not
...objectForKey:@"b". If it returns nil, no object is set at that key.
if ([xyz objectForKey:@"b"]) {
NSLog(@"There's an object set for key @\"b\"!");
} else {
NSLog(@"No object set for key @\"b\"");
}
Edit: As to your edited second question, it's simply NSUInteger mCount = [xyz count];. B...
How to iterate object in JavaScript? [duplicate]
...:"1", "name":"DEF"}], "images": [{"id":"0","name":"PQR"},{"id":"1","name":"xyz"}]};
for (item in dictionary) {
for (subItem in dictionary[item]) {
console.log(dictionary[item][subItem].id);
console.log(dictionary[item][subItem].name);
}
}
...
Confused about stdin, stdout and stderr?
...r clever).
An example being:
my_prog <inputfile 2>errorfile | grep XYZ
which will:
create a process for my_prog.
open inputfile as your standard input (file handle 0).
open errorfile as your standard error (file handle 2).
create another process for grep.
attach the standard output of my...
Difference between string object and string literal [duplicate]
...
As Strings are immutable, when you do:
String a = "xyz"
while creating the string, the JVM searches in the pool of strings if there already exists a string value "xyz", if so 'a' will simply be a reference of that string and no new String object is created.
But if you say:...
Is there a “null coalescing” operator in JavaScript?
...{
return arguments[i];
}
}
return null;
}
var xyz = {};
xyz.val = coalesce(null, undefined, xyz.val, 5);
// xyz.val now contains 5
this solution works like the SQL coalesce function, it accepts any number of arguments, and returns null if none of them have a value. I...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...令可以将当前目录及子目录下的指定名称的文件、目录都搜索并显示出来
[root@KEDACOM data]# find ./ -name "data*"
./data1.txt 命令参数：
./data2.txt ./ 表示在当前目录下查找
./data3....
在vc中使用xtremetoolkit界面库-----简单控件的使用 - C/C++ - 清泛网 - 专...
...字，好了，现在我们看看CXTPSyntaxEditCtrl.cpp的源码：
我们搜索一下窗口注册的那部分代码：
可以搜索找到下面这一段：
看到窗口注册名是一个宏定义：XTP_EDIT_CLASSNAME_EDITCTRL
好了，下面我们要找的就是这个宏定义所代表的字...
微软宣布洪小文升任微软公司资深副总裁 - 资讯 - 清泛网 - 专注C/C++及内核技术
...主席。与此同时，洪小文于2005年至2007年间创立并领导了搜索技术中心(STC)，该中心负责微软搜索产品(必应搜索)在中国的研发工作。
在任职微软亚洲研究院院长的近八年间，洪小文主要带领团队向必应、Office、微软智能云Azure...