大约有 16,000 项符合查询结果（耗时：0.0308秒） [XML]
Regex to replace everything except numbers and a decimal point
...
This is great to convert already-formatted numbers like money to a computable float.
– lu1s
Jan 12 '17 at 0:15
add a ...
In Java, what is the best way to determine the size of an object?
... too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way to find out the size of that object programmatically? Is there a reference that defines how large primitive types and object references are for a VM ?
...
What is the easiest way to ignore a JPA field during persistence?
...
But then jackson will not serialize the field when converting to JSON...how to solve?
– MobileMon
Jan 20 '16 at 3:44
...
MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
...
On .NET 4.0 Anonymous types can easily be converted to ExpandoObjects and thus all the problems are fixed with the overhead of the conversion itself.
Check out here
share
|
...
Getting the current Fragment instance in the viewpager
...
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
if (getCurrentFragment() != object) {
mCurrentFragment = ((Fragment) object);
}
super.setPrimaryItem(container, position, object);
}
...
How can I add a third button to an Android Alert Dialog?
...rtDialog.setButton(AlertDialog.BUTTON_POSITIVE, "Button 1 Text", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
//...
} });
alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE, "Button 2 Text", new DialogInterface.OnClickListene...
How to get the insert ID in JDBC?
...;
statement.setString(3, user.getEmail());
// ...
int affectedRows = statement.executeUpdate();
if (affectedRows == 0) {
throw new SQLException("Creating user failed, no rows affected.");
}
try (ResultSet generatedKeys = statement.getGen...
Mapping two integers to one, in a unique and deterministic way
Imagine two positive integers A and B. I want to combine these two into a single integer C.
18 Answers
...
Missing Maven dependencies in Eclipse project
... FYI, I first had to right click on my project, go to Configure and "Convert to Maven project."
– duma
Jul 24 '14 at 16:10
...
Why does an overridden function in the derived class hide other overloads of the base class?
...n, the rationale behind the name hiding, i.e. why it actually was designed into C++, is to avoid certain counterintuitive, unforeseen and potentially dangerous behavior that might take place if the inherited set of overloaded functions were allowed to mix with the current set of overloads in the giv...