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How to get a user's client IP address in ASP.NET?
...otcha: HTTP_X_FORWARDED_FOR returns multiple IP addresses"
C#
protected string GetIPAddress()
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
string ipAddress = context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (!string.IsNullOrEmpty(ipAddress))
{
...
How to see if an object is an array without using reflection?
...sArray();
}
This works for both object and primitive type arrays.
For toString take a look at Arrays.toString. You'll have to check the array type and call the appropriate toString method.
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How to format numbers as currency string?
...t. I'd like a function which takes a float as an argument and returns a string formatted like this:
66 Answers
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Finding the max value of an attribute in an array of objects
...nput in a array):
var maxA = a.reduce((a,b)=>a.y>b.y?a:b).y; // 30 chars time complexity: O(n)
var maxB = a.sort((a,b)=>b.y-a.y)[0].y; // 27 chars time complexity: O(nlogn)
var maxC = Math.max(...a.map(o=>o.y)); // 26 chars time complexity: >O(2n)
editable example her...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...se
#define XML_FMT_INT_MOD "l"
#endif
#define BUFFSIZE 8192
char Buff[BUFFSIZE];
int Depth;
static void XMLCALL
start(void *data, const char *el, const char **attr)
{
int i;
for (i = 0; i < Depth; i++)
printf(" ");
printf("%s", el);
for (i = 0; attr[i];...
Cross-reference (named anchor) in markdown
...rted in Gruber Markdown, but is in other implementations, such as Markdown Extra.
In Markdown Extra, the anchor ID is appended to a header or subhead with {#pookie}.
Github Flavored Markdown in Git repository pages (but not in Gists) automatically generates anchors with several markup tags on all ...
What does static_assert do, and what would you use it for?
...
Isn't static_assert REQUIRED to have a string literal as a second parameter?
– Trevor Hickey
Dec 19 '13 at 16:56
3
...
How to transfer some data to another Fragment?
... serialVersionUID = -2163051469151804394L;
private int id;
private String created;
}
In you FromFragment:
Bundle args = new Bundle();
args.putSerializable(TAG_MY_CLASS, myClass);
Fragment toFragment = new ToFragment();
toFragment.setArguments(args);
getFragmentManager()
.beginTransact...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
... ((candidates
(remove-if-not
(lambda (jar)
(string-match-p "clojure\\([0-9.-]+\\(SNAPSHOT|MASTER\\)?\\)?\\.jar$" jar))
jars)))
(if candidates
(car candidates)
(expand-file-name "~/.clojure/clojure.jar"))))
(defun find-clojure-contrib-jar (j...
Convert NSData to String?
...
Objective-C
You can use (see NSString Class Reference)
- (id)initWithData:(NSData *)data encoding:(NSStringEncoding)encoding
Example:
NSString *myString = [[NSString alloc] initWithData:myData encoding:NSUTF8StringEncoding];
Remark: Please notice the NSD...