大约有 44,000 项符合查询结果（耗时：0.0424秒） [XML]
How do you crash a JVM?
...Hotspot VM quiet nicely:
public class Crash {
public static void main(String[] args) {
Object[] o = null;
while (true) {
o = new Object[] {o};
}
}
}
This leads to a stack overflow in the GC so you will get no StackOverflowError but a real crash includi...
What are the differences between a multidimensional array and an array of arrays in C#?
...using System;
using System.Diagnostics;
static class ArrayPref
{
const string Format = "{0,7:0.000} ";
static void Main()
{
Jagged();
Multi();
Single();
}
static void Jagged()
{
const int dim = 100;
for(var passes = 0; passes < 10; ...
sqlite alter table add MULTIPLE columns in a single statement
...und for adding multiple columns using the benefit of transactions in SQL.
String alterTableQuery = "ALTER TABLE " + TABLE_NAME + " ADD COLUMN ";
List<String> newColumns = ..// Your new columns
db.beginTransaction();
for (String column : newColumns){
db.execSQL(alterTableQuery + column + ...
Differences between socket.io and websockets
What are the differences between socket.io and websockets in
node.js?
Are they both server push technologies?
The only differences I felt was,
...
How do I decode a string with escaped unicode?
... this is called so I'm having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string replace.
...
Difference between ActionBarSherlock and ActionBar Compatibility
...rderInCategory="100"
android:showAsAction="always"
android:title="@string/action1"/>
<item
android:id="@+id/action_2"
android:orderInCategory="100"
android:showAsAction="ifRoom"
android:title="@string/action2"/>
<item
android:id="@+id/action_3"
android:o...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...ion) :
base(null, innerException)
{
}
public override string Message
{
get
{
var innerException = InnerException as DbEntityValidationException;
if (innerException != null)
{
StringBuilder sb = new StringBui...
How to adjust layout when soft keyboard appears
...
+1 That simple? Any extra conditions? What was the image you posted about?
– Roy Lee
May 7 '13 at 4:17
...
jQuery vs document.querySelectorAll
... of ID
if ( elem.id === match[3] ) {
return makeArray( [ elem ], extra );
}
} else {
return makeArray( [], extra );
}
And if all else fails it will return the result of oldSizzle(query, context, extra, seed).
...
Getter and Setter?
...
public $bar; // should be an integer
}
$foo = new Foo;
$foo->bar = "string";
In Java, it doesn't:
class Foo {
public int bar;
}
Foo myFoo = new Foo();
myFoo.bar = "string"; // error
Using magic methods (__get and __set) also works, but only when accessing a property that has lower vis...