大约有 40,700 项符合查询结果（耗时：0.0443秒） [XML]
Should sorting logic be placed in the model, the view, or the controller? [closed]
I have a drop down list that displays values from a table to the end user. I would like to have these values be sorted alphabetically.
...
The Definitive C++ Book Guide and List
This question attempts to collect the few pearls among the dozens of bad C++ books that are published every year.
1 Answer
...
How can I convert my Java program to an .exe file? [closed]
...er tool compiles, packages, and prepares Java and JavaFX applications for distribution. The javapackager command is the command-line version.
– Oracle's documentation
The javapackager utility ships with the JDK. It can generate .exe files with the -native exe flag, among many other things.
WinRun...
Is the primary key automatically indexed in MySQL?
Do you need to explicitly create an index, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
...
LINQ Aggregate algorithm explained
This might sound lame, but I have not been able to find a really good explanation of Aggregate .
12 Answers
...
In where shall I use isset() and !empty()
I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
...
How do I copy an object in Java?
...n {
private String dummy;
public DummyBean(DummyBean another) {
this.dummy = another.dummy; // you can access
}
}
Every object has also a clone method which can be used to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are g...
Java Immutable Collections
...ion - they have their own elements.
Here's a quote from guava's ImmutableList
Unlike Collections.unmodifiableList(java.util.List<? extends T>), which is a view of a separate collection that can still change, an instance of ImmutableList contains its own private data and will never change....
Am I immoral for using a variable name that differs from its type only by case?
For instance, take this piece of code:
33 Answers
33
...
Can I convert long to int?
...
Just do (int)myLongValue. It'll do exactly what you want (discarding MSBs and taking LSBs) in unchecked context (which is the compiler default). It'll throw OverflowException in checked context if the value doesn't fit in an int:
int myIntValue = unchecked((int)myLongValue);
...