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Convert float to double without losing precision
I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
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Split a String into an array in Swift?
...now auto-completes Foundation methods on Swift String objects without type casting to an NSString, which is not the case in Xcode 6.4 with Swift 1.2.
– Andrew
Jul 21 '15 at 22:31
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To draw an Underline below the TextView in Android
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@CHAKRAVARTHI it woun't work if you cast the text to string before setting. E.g. textView.setText(getString(R.string.text)) <- wrong. Right: textView.setText(getText(R.string.text)) or just textView.setText(R.string.text). The reason beind this that getText(...
How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
... // you might keep a reference to the CheckBox to avoid this class cast
boolean checked = ((CheckBox)v).isChecked();
setSomeBoolean(checked);
}
});
Now you only pick up click events and don't have to worry about programmatic changes.
Answer 1:
I hav...
How to check if IEnumerable is null or empty?
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Count() only iterates the enumeration if it can't be cast to an ICollection. In other words, when you call this method, if there's already a Count property on the object, it will just return that and the performance should be identical. Check out the implementation here: refere...
How to create a button programmatically?
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As of Swift 1.2 downcasts can no longer be done with "as", they must be “forced failable” with "as!".
– TenaciousJay
May 1 '15 at 16:38
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What is the syntax for an inner join in LINQ to SQL?
... value of the enum. If I'm right, (ContactStatus)c.StatusID is really just casting an integer to an enum.
– Joel Mueller
Jul 14 '10 at 22:13
add a comment
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Intersection and union of ArrayLists in Java
...tal = (ArrayList<String>) intersection(list2, list1) --->cannot cast java.util.arraylist to java.util.arraylist<string>
– user3402040
Feb 11 '16 at 9:34
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Insert a row to pandas dataframe
... as both objects are of the same type. Maybe the issue is that you need to cast your second vector to a dataframe? Using the df that you defined the following works for me:
df2 = pd.DataFrame([[2,3,4]], columns=['A','B','C'])
pd.concat([df2, df])
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Using ConfigurationManager to load config from an arbitrary location
...e following exception on accessing the AppSettings property:
Unable to cast object of type 'System.Configuration.DefaultSection' to type 'System.Configuration.AppSettingsSection'.
Here is the correct solution:
System.Configuration.ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap(...