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Are there any reasons to use private properties in C#?
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I use them if I need to cache a value and want to lazy load it.
private string _password;
private string Password
{
get
{
if (_password == null)
{
_password = CallExpensiveOperation();
}
retur...
initializing a boolean array in java
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I just need to initialize all the array elements to Boolean false.
Either use boolean[] instead so that all values defaults to false:
boolean[] array = new boolean[size];
Or use Arrays#fill() to fill the entire array with Boolean.FA...
How can I clear event subscriptions in C#?
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From within the class, you can set the (hidden) variable to null. A null reference is the canonical way of representing an empty invocation list, effectively.
From outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it.
It's wor...
Best way to parseDouble with comma as decimal separator?
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This only works if the current default locale happens to use a comma as a decimal separator.
– Joonas Pulakka
Dec 1 '10 at 11:05
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Asynchronous shell commands
I'm trying to use a shell script to start a command. I don't care if/when/how/why it finishes. I want the process to start and run, but I want to be able to get back to my shell immediately...
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How to set environment variable or system property in spring tests?
I'd like to write some tests that check the XML Spring configuration of a deployed WAR. Unfortunately some beans require that some environment variables or system properties are set. How can I set an environment variable before the spring beans are initialized when using the convenient test style wi...
Unit testing void methods?
What is the best way to unit test a method that doesn't return anything? Specifically in c#.
11 Answers
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Notepad++: How to automatically set Language as Xml when load files
...ig file in Notepad++ (which is an XML file) I want the syntax highlighting to automatically color it like XML. How do I configure Notepad++ to do this so that I don't have to manually select it every time I open a .config file?
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
... you cannot insert value nor change the existing value? Why would you want to do that?
4 Answers
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Most efficient way to concatenate strings in JavaScript?
...ns, and in each iteration, I am creating a huge string with many += operators. Is there a more efficient way to create a string? I was thinking about creating a dynamic array where I keep adding strings to it and then do a join. Can anyone explain and give an example of the fastest way to do this?...