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Background ListView becomes black when scrolling

... fix this issue @Override public View getView(int position, View convertView, ViewGroup parent) { Holder holder; convertView = null; // convert view should be null if (convertView == null) { holder = new Holder(); convertV...
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Truncating floats in Python

...[i, (d+'0'*n)[:n]]) Explanation The core of the underlying method is to convert the value to a string at full precision and then just chop off everything beyond the desired number of characters. The latter step is easy; it can be done either with string manipulation i, p, d = s.partition('.') '....
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Generating an Excel file in ASP.NET [closed]

...000) Write-only, in that once you open it and make changes from Excel it's converted to native Excel. XLS (generated by third party component) Pros: Generate native Excel file with all the formating, formulas, etc. Cons: Cost money Add dependencies COM Interop Pros: Uses native Micros...
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How to bind RadioButtons to an enum?

... You could use a more generic converter public class EnumBooleanConverter : IValueConverter { #region IValueConverter Members public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { str...
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Android add placeholder text to EditText

... This how to make input password that has hint which not converted to * !!. On XML : android:inputType="textPassword" android:gravity="center" android:ellipsize="start" android:hint="Input Password !." thanks to : mango and rjrjr for the insight :D. ...
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Set background color of WPF Textbox in C# code

...set the background using a hex color you could do this: var bc = new BrushConverter(); myTextBox.Background = (Brush)bc.ConvertFrom("#FFXXXXXX"); Or you could set up a SolidColorBrush resource in XAML, and then use findResource in the code-behind: <SolidColorBrush x:Key="BrushFFXXXXXX">#F...
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Convert .pem to .crt and .key

Can anyone tell me the correct way/command to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how. ...
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Proper Linq where clauses

... no difference and you already have seen in other answers how they will be converted to lambda expressions share | improve this answer | follow | ...
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set date in input type date

...are using a date without a time. eg Sat Sep 01 2018 00:00:00 GMT+0100 gets converted to "2018-08-31" – havlock Aug 29 '19 at 17:51 ...
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Getting “unixtime” in Java

...llet by using a long as the return for System.currentTimeMillis(). If you convert to int, you're re-introducing the year 2038 problem. See en.wikipedia.org/wiki/Year_2038_problem#Solutions – John M Feb 27 '12 at 16:26 ...