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How can I default a parameter to Guid.Empty in C#?
...stead
public void Problem(Guid optional = new Guid())
{
// when called without parameters this will be true
var guidIsEmpty = optional == Guid.Empty;
}
You can also use default(Guid)
default(Guid) also will work exactly as new Guid().
Because Guid is a value type not reference type, so, def...
Difference between “or” and || in Ruby? [duplicate]
What's the difference between the or and || operators in Ruby? Or is it just preference?
8 Answers
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Check if table exists and if it doesn't exist, create it in SQL Server 2008
I am writing a Stored procedure in SQL Server 2008.
I need to check if a table exists in the database. If it doesn't then I need to create it.
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Should I use Java's String.format() if performance is important?
...ormance of the two and + comes ahead of format. by a factor of 5 to 6.
Try it your self
import java.io.*;
import java.util.Date;
public class StringTest{
public static void main( String[] args ){
int i = 0;
long prev_time = System.currentTimeMillis();
long time;
for( i = 0; i...
What is the best way to add options to a select from a JavaScript object with jQuery?
...follow
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edited Jun 1 at 14:55
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Move entire line up and down in Vim
...ddp
Disappearing of the line looks like a Vim bug. I put a hack to avoid it. Probably there is some more accurate solution.
Update
There are a lot of unexplained difficulties with just using Vim combinations. These are line missing and extra line jumping.
So here is the scripting solution which...
How to give Jenkins more heap space when it´s started as a service under Windows?
I want to increase the available heap space for Jenkins. But as it is installed as a service I don´t know how to do it.
6 ...
“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...latforms$ ldd libqxcb.so
shows that xcb depends on libQt5DBus.so.5 in addition to libQt5Core.so.5 and libQt5Gui.so.5 (and many other system libs). Add libQt5DBus.so.5 to your collection of shared libs and you should be ready to move on.
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Outline effect to text
Are there any ways in CSS to give outlines to text with different colors ? I want to highlight some parts of my text to make it more intuitive - like the names, links, etc. Changing the link colors etc. are common nowadays, so I want something new.
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How to write a scalable Tcp/Ip based server
I am in the design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
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