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What's the best practice to round a float to 2 decimals? [duplicate]
...gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public static float round(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
return...
Do I need all three constructors for an Android custom view?
... @OvidiuLatcu can you please show an example of the third CTOR (with the 3 parameters) ?
– android developer
Sep 14 '13 at 20:10
...
NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
...ere is no mistake by calling this function.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
[EditorBrowsable(EditorBrowsableState.Never)]
public static new bool Equals(object a, object b)
{
// TODO: This should probably be InvalidOper...
Why doesn't ruby support method overloading?
...s the right answer. The accepted answer oversimplifies. C# DOES have named parameters and optional parameters and still implements overloading, so it's not as simple as "def method(a, b = true) won't work, therefore method overloading is impossible." It's not; it's just difficult. I found THIS answe...
Express: How to pass app-instance to routes from a different file?
... I am using different passport strategy for different query parameter. So I am trying to set passport.use("strategy-name") in a middleware. Even if I store passport in that middleware only with let passport = req.app,get('passport'). It is being modified for another set of requests. W...
How to export DataTable to Excel
... /// Export DataTable to Excel file
/// </summary>
/// <param name="DataTable">Source DataTable</param>
/// <param name="ExcelFilePath">Path to result file name</param>
public static void ExportToExcel(this System.Data.DataTable DataTable, string Excel...
Create a list from two object lists with linq
...rovided object is equal to the current Person
/// </summary>
/// <param name="obj">Object to compare to the current Person</param>
/// <returns>True if equal, false if not</returns>
public override bool Equals(object obj)
{
// Try to cast the object to compa...
How can I add an item to a IEnumerable collection?
...t; do it for me:
public static IEnumerable Append(this IEnumerable first, params object[] second)
{
return first.OfType<object>().Concat(second);
}
public static IEnumerable<T> Append<T>(this IEnumerable<T> first, params T[] second)
{
return first.Concat(second);
} ...
Is there a way to instantiate objects from a string holding their class name?
...tory class.
//Each class generated will have a suffix of the number of parameters taken by the derived type constructors.
#define BOOST_PP_FILENAME_1 "GenericFactory.hpp"
#define BOOST_PP_ITERATION_LIMITS (0,GENERIC_FACTORY_MAX_ARITY)
#include BOOST_PP_ITERATE()
#define GENERIC_...
How do we control web page caching, across all browsers?
...ownload over HTTPS instead of HTTP. For detail, see IE cannot download foo.jsf. IE was not able to open this internet site. The requested site is either unavailable or cannot be found.
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