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Default constructor vs. inline field initialization
...you can save lines of code (and make your code slightly more maintainable) by keeping initialisation in one place.
Like Michael said, there's a matter of taste involved as well - you might like to keep code in one place. Although if you have many constructors your code isn't in one place in any cas...
What is the difference between a field and a property?
...o change the fields while not affecting the external way they are accessed by the things that use your class.
public class MyClass
{
// this is a field. It is private to your class and stores the actual data.
private string _myField;
// this is a property. When accessed it uses the un...
What are the pros and cons of the leading Java HTML parsers? [closed]
... that there are a few Java HTML parsers which are consistently recommended by various parties. Unfortunately it's hard to find any information on the strengths and weaknesses of the various libraries. I'm hoping that some people have spent some comparing these libraries, and can share what they've l...
How do I show a console output/window in a forms application?
...used to allow what the poster is asking for - it is not a great solution. By doing this, if you then start your winforms application with the GUI - you will also get a console window opened. In this case, you would need something more like Mike de Klerk's answer.
– Justin Gre...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...r maintains ownership of the physical
connection. It manages connections by keeping alive a set of active
connections for each given connection configuration. Whenever a user
calls Open on a connection, the pooler looks for an available
connection in the pool. If a pooled connection is avail...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
...esult, you probably have multiple versions of gcc installed. You can check by using:
dpkg -l | grep gcc | awk '{print $2}'
Usually, /usr/bin/gcc will be sym-linked to /etc/alternatives/gcc which is again sym-linked to say /usr/bin/gcc-4.6 or /usr/bin/gcc-4.8 (In case you have gcc-4.6, gcc-4.8...
How to avoid “Permission denied” when using pip with virtualenv
... @sebastian_oe I think I love you
– Nobbynob Littlun
Mar 26 '14 at 23:45
5
How to c...
python dataframe pandas drop column using int
... in columns, so to do this you can rename column you want to delete column by new name. Or you can reassign DataFrame like this:
df = df.iloc[:, [j for j, c in enumerate(df.columns) if j != i]]
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Hidden Features of Java
...
Double Brace Initialization took me by surprise a few months ago when I first discovered it, never heard of it before.
ThreadLocals are typically not so widely known as a way to store per-thread state.
Since JDK 1.5 Java has had extremely well implemented and...
How to disable editing of elements in combobox for c#?
... it look 3D and sometimes its just plain ugly.
You can prevent user input by handling the KeyPress event of the ComboBox like this.
private void ComboBox1_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = true;
}
...