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Best approach for designing F# libraries for use from both F# and C#
...alues (partially-applied functions, etc) with Func or Action, the rest are converted automatically. For example:
type A(arg) =
member x.Invoke(f: Func<_,_>) = f.Invoke(arg)
let a = A(1)
a.Invoke(fun i -> i + 1)
So it makes sense to use Func/Action where applicable. Does this eliminate...
How to get RGB values from UIColor?
...= curView.backgroundColor;//line 2
CGColorRef colorRef = [color CGColor];
int _countComponents = CGColorGetNumberOfComponents(colorRef);
if (_countComponents == 4) {
const CGFloat *_components = CGColorGetComponents(colorRef);
CGFloat red = _components[0];
CGFloat green = _componen...
What is the JUnit XML format specification that Hudson supports?
...e junit-4.xsd that others have linked to and used a tool named XMLSpear to convert the schema to a blank XML file with the options shown below. This is the (slightly cleaned up) result:
<?xml version="1.0" encoding="UTF-8"?>
<testsuites disabled="" errors="" failures="" name="" tests="" ti...
Why do we need fibers
... and update it before returning a value. With fibers, we can automatically convert any internal iterator to an external one.
This doesn't have to do with fibers persay, but let me mention one more thing you can do with Enumerators: they allow you to apply higher-order Enumerable methods to other it...
How to remove single character from a String
...substring(index+1);
Note that the result is a new String (as well as two intermediate String objects), because Strings in Java are immutable.
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last day of month calculation
...nt month. For example it is February of leap year now, so it returns 29 as int.
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
... // TODO: Add your control notification handler code here
static int s_iClickTime = 0;
s_iClickTime++;
CString strPrompt = _T("");
CString strFormat = _T("");
strFormat.LoadString(IDS_STRING_SAMPLE);
strPrompt.Format(strFormat, s_iClickTime...
How to find controls in a repeater header or footer
...olution. Just save a reference to the control.
– Sprintstar
May 18 '12 at 10:21
1
This is a much...
Count number of occurences for each unique value
...
To get an un-dimensioned integer vector that contains the count of unique values, use c().
dummyData = rep(c(1, 2, 2, 2), 25) # Chase's reproducible data
c(table(dummyData)) # get un-dimensioned integer vector
1 2
25 75
str(c(table(dummyData)) ...
How to add and get Header values in WebApi
...g. UserName & Password)
[HttpGet]
public IHttpActionResult GetProduct(int id)
{
System.Net.Http.Headers.HttpRequestHeaders headers = this.Request.Headers;
string token = string.Empty;
string pwd = string.Empty;
if (headers.Contains("username"))
{
token = headers.GetV...