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@RequestParam vs @PathVariable
...equest, the values for param1 and param2 can be accessed as below:
public String getDetails(
@RequestParam(value="param1", required=true) String param1,
@RequestParam(value="param2", required=false) String param2){
...
}
The following are the list of parameters supported by the @Reque...
How to detect if a property exists on an ExpandoObject?
...aled class ExpandoObject : IDynamicMetaObjectProvider,
IDictionary<string, Object>, ICollection<KeyValuePair<string, Object>>,
IEnumerable<KeyValuePair<string, Object>>, IEnumerable, INotifyPropertyChanged
You can use this to see if a member is defined:
var...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...of the class that you are trying to instantiate, PHP passes this name as a string to spl_autoload_register(), which allows you to pick up the variable and use it to "include" the appropriate class/file. As a result you don't specifically need to include that class via an include/require statement......
How do I get the full path to a Perl script that is executing?
...mod_perl spectacularly, producing worthless output such as '.' or an empty string. In such environments, I use __FILE__ and get the path from that using the File::Basename module:
use File::Basename;
my $dirname = dirname(__FILE__);
...
TypeScript “this” scoping issue when called in jquery callback
...ers to forget to handle this context
Good: Typesafe in TypeScript
Good: No extra work if the function has parameters
Bad: Derived classes can't call base class methods written this way using super.
Bad: The exact semantics of which methods are "pre-bound" and which aren't create an additional non-ty...
How do I get the full path of the current file's directory?
...cover weird behaviours on windows, where dirname(file) may return an empty string!
– sorin
Oct 25 '11 at 10:10
4
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How do I open links in Visual Studio in my web browser and not in Visual Studio?
...
DTE.ActiveDocument.Selection.EndOfLine(True)
'set var
Dim url As String = DTE.ActiveDocument.Selection.Text
'launch chrome with url
System.Diagnostics.Process.Start( _
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) _
+ "\Google\Chrome\Applicati...
Heap vs Binary Search Tree (BST)
...on. But if you want to do that, it is likely that you will want to keep an extra index up-to-date on heap operations How to implement O(logn) decrease-key operation for min-heap based Priority Queue? e.g. for Dijkstra. Possible at no extra time cost.
GCC C++ standard library insert benchmark on rea...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...l(BOOL bShow);
///检查一个CELL是否是字符串
//BOOL IsCellString(long iRow, long iColumn);
///检查一个CELL是否是数值
//BOOL IsCellInt(long iRow, long iColumn);
void SetCell(long irow, long icolumn,CString new_string);
///得到一个CELL的String
CString GetC...
Duplicate symbols for architecture x86_64 under Xcode
...
In my case, I just created a header file to define constant strings like this:
NSString *const AppDescriptionString = @"Healthy is the best way to keep fit";
I solved this scenario by using static:
static NSString *const AppDescriptionString = @"Healthy is the best way to keep fit...