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What is the best method to merge two PHP objects?
..., 'b' => 'asd'); $arr2 = array('a' => 10, 'd' => 'qwert', 0 => 100, 1 => 200, 4 => 400); $arr3 = array_merge($arr1, $arr2); echo(print_r($arr3, 1)); Actual Output : Array ( [a] => 10 [b] => asd [d] => qwert [0] => 100 [1] => 200 [2] => 400 ) Desired Output : Arr...
A simple explanation of Naive Bayes Classification
...sked for a 'fruit' identification example.
Let's say that we have data on 1000 pieces of fruit. They happen to be Banana, Orange or some Other Fruit.
We know 3 characteristics about each fruit:
Whether it is Long
Whether it is Sweet and
If its color is Yellow.
This is our 'training set.' We wi...
What does java.lang.Thread.interrupt() do?
....printf("A Time %d\n", System.currentTimeMillis());
o.wait(100);
System.out.printf("B Time %d\n", System.currentTimeMillis());
}
} catch (InterruptedException ie) {
System.out.printf("WAS interrupted\n");
}
System.out.pr...
Unusual shape of a textarea?
...le
.block_left {
background-color: red;
height: 70px;
width: 100px;
float: left;
border-right: 2px solid blue;
border-bottom: 2px solid blue;
}
.block_right {
background-color: red;
height: 70px;
width: 100px;
float: right;
border-left: 2px solid blue;
bo...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...clude <stdio.h>
int main(){
char test[1];
printf("%c", test[1000000000]);
return 0;
}
这里是比较极端的例子，但是有时候可能是会出现的，是个明显的数组越界的问题
或者是这个地址是根本就不存在的
例子4：
Code:
#include <st...
What is the point of noreturn?
...assignment below is not:
void raise();
void f(int y) {
int x = y!=0 ? 100/y : raise(); // raise() returns void, so what should x be?
cout << x << endl;
}
[[noreturn]], on the other hand, is called sometimes empty, Nothing, Bottom or Bot and is the logical equivalent of False. ...
What is the relative performance difference of if/else versus switch statement in Java?
...emature optimalization being bad and such, no need to explain that for the 1000th time.
– Folkert van Heusden
Jul 1 '12 at 16:42
5
...
Auto-fit TextView for Android
...extView
android:layout_width="match_parent"
android:layout_height="100dp"
android:ellipsize="none"
android:maxLines="2"
android:text="Auto Resized Text, max 2 lines"
android:textSize="100sp" /> <!-- maximum size -->
<com.vj.widgets.AutoResizeTextView
android:...
Can I have an onclick effect in CSS?
...ng):
label {
display: block;
background: lightgrey;
width: 100px;
height: 100px;
}
#demo:checked + label {
background: blue;
color: white;
}
<input type="checkbox" id="demo"/>
<label for="demo">I'm a square. Click me.</label>
Here I've positioned...
Accessing items in an collections.OrderedDict by index
...omment, I have done a benchmark on OrderedDict and IndexedOrderedDict with 1000 entries.
In [1]: from numpy import *
In [2]: from indexed import IndexedOrderedDict
In [3]: id=IndexedOrderedDict(zip(arange(1000),random.random(1000)))
In [4]: timeit id.keys()[56]
1000000 loops, best of 3: 969 ns per ...