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Capture Image from Camera and Display in Activity
...geView imageView;
private static final int MY_CAMERA_PERMISSION_CODE = 100;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.image...
How to access the last value in a vector?
...last(NumericVector x) { int n = x.size(); return x[n-1]; }')
options(width=100)
for (n in c(1e3,1e4,1e5,1e6,1e7)) {
x <- runif(n);
print(microbenchmark::microbenchmark(x[length(x)],
mylast(x),
tail(x, n=1),
...
partial string formatting
...
Sven MarnachSven Marnach
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C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...位。
3、位域可以无位域名，这时它只用来作填充或调整位置。无名的位域是不能使用的。例如：
struct k
{
int a:1
int :2 /*该2位不能使用*/
int b:3
int c:2
};
从以上分析可以看出，位域在本质上就是一种结构类型...
Repeat String - Javascript
...e-testing playground here for those who interested.
variable count ~ 0 .. 100:
constant count = 1024:
Use it and make it even faster if you can :)
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Get name of current class?
...ying to generalize this so I don't have to go to each class (there will be 100 or so) and type in the name of class.
– Jonathan Ginsburg
Aug 4 '11 at 14:46
...
Check if at least two out of three booleans are true
... }
static void work()
{
boolean [] data = new boolean [10000];
java.util.Random r = new java.util.Random(0);
for(int i=0;i<data.length;i++)
data[i] = r.nextInt(2) > 0;
long t0,t1,t2,t3,t4,tDEAD;
int sz1 = 100;
int sz2 = 10...
socket.io rooms or namespacing?
...t namespaces and rooms have in common (socket.io v0.9.8 - please note that v1.0 involved a complete rewrite, so things might have changed):
Both namespaces (io.of('/nsp')) and rooms (socket.join('room')) are created on the server side
Multiple namespaces and multiple rooms share the same (WebSocke...
Splitting string into multiple rows in Oracle
... NUMBER GENERATED ALWAYS AS IDENTITY,
3 text VARCHAR2(100)
4 );
Table created.
SQL>
SQL> INSERT INTO t (text) VALUES ('word1, word2, word3');
1 row created.
SQL> INSERT INTO t (text) VALUES ('word4, word5, word6');
1 row created.
SQL> INSERT INTO t (text) VA...
How to create a DataTable in C# and how to add rows?
...table.Rows.Add(21, "Combivent", "Janet", DateTime.Now);
table.Rows.Add(100, "Dilantin", "Melanie", DateTime.Now);
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