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How do I change the IntelliJ IDEA default JDK?
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May I ask IntelliJ IDEA to use my %JAVA_HOME% system variable as a value of JDK home path? I want IntelliJ IDEA to reflect changes of JAVA_HOME sys variable automatically.
– Ivan_Bereziuk
Nov 16 '17 at 10:48
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Group by with multiple columns using lambda
... Balance = g.Sum(x => Math.Round(Convert.ToDecimal(x.Worth), 2)),
}
);
foreach (var item in CompanyDetails)
{
Console.WriteLine(item.Typ...
How do I format a number in Java?
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When you want to convert the rounded value as string, this is one of the way. Other is using DecimalFormat. And DecimalFormat is slightly faster than String.format. Simple System.currentTimeMillis diff reveals that.
– ma...
Can you get the column names from a SqlDataReader?
...numerable<dynamic>> and .Cast<dynamic>, but it says, Cannot convert method group 'Cast' to non-delegate type 'dynamic'. Did you intend to invoke the method? what did I do wrong there? (I looked at your sources, but they required you to know the column name, which I don't)
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Why is address zero used for the null pointer?
... differently at runtime. The C++ standard has a note that makes clear that converting "an integral constant expression with value zero always yields a null pointer, but converting other expressions that happen to have value zero need not yield a null pointer".
a negative value might be just as usabl...
Detecting WPF Validation Errors
...ding Path=(validationScope:Scope.HasErrors),
Converter={local:BoolToBrushConverter},
ElementName=Form}"
BorderThickness="1">
<StackPanel x:Name="Form" validationScope:Scope.ForInputTypes="{x:Static validationScope:InputTyp...
Hash String via SHA-256 in Java
... Calling ´toString´ on a byte array is producing a different result than converting the content of the byte array to String, Brendan Longs answer is more appropriate
– max.mustermann
Feb 4 '15 at 10:15
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Python set to list
How can I convert a set to a list in Python? Using
7 Answers
7
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Extracting text OpenCV
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Here is an alternative approach that I used to detect the text blocks:
Converted the image to grayscale
Applied threshold (simple binary threshold, with a handpicked value of 150 as the threshold value)
Applied dilation to thicken lines in image, leading to more compact objects and less white sp...
Correct way to define Python source code encoding
...; :
# This Python file uses the following encoding: utf-8
import os, sys
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