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Java 8: performance of Streams vs Collections
...(StreamVsVanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = new ArrayList<>();
static {
for (int i = 0; i < N; i++) {
sourceList.add(i);
}
}
@Benchmark
public List<Doub...
How to implement a ConfigurationSection with a ConfigurationElementCollection
... <Site Id="123" />
<Lanes>
<Lane Id="1" PointId="north" Direction="Entry"/>
<Lane Id="2" PointId="south" Direction="Exit"/>
</Lanes>
</CustomApplicationConfig>
then you can use my implementation of configuration section so to...
Android Webview - Completely Clear the Cache
...thod for clearCache() , recursive
//returns number of deleted files
static int clearCacheFolder(final File dir, final int numDays) {
int deletedFiles = 0;
if (dir!= null && dir.isDirectory()) {
try {
for (File child:dir.listFiles()) {
//first del...
How do you parse and process HTML/XML in PHP?
...he SimpleXML extension provides a very simple and easily usable toolset to convert XML to an object that can be processed with normal property selectors and array iterators.
SimpleXML is an option when you know the HTML is valid XHTML. If you need to parse broken HTML, don't even consider SimpleX...
初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...
| c2 | varchar(1024) | YES | | NULL | |
| c3 | int(11) | YES | | NULL | |
| c4 | bigint(20) unsigned | YES | | NULL | |
| c5 | int(11) | YES | | NULL | |
+-------+---------------------+------+-----...
Defining custom attrs
...e.g, "@color/my_color", "@layout/my_layout")
color
boolean
dimension
float
integer
string
fraction
enum - normally implicitly defined
flag - normally implicitly defined
You can set the format to multiple types by using |, e.g., format="reference|color".
enum attributes can be defined as follows:
...
Change Checkbox value without triggering onCheckChanged
...the solution. mListener is an implementation of the OnCheckChangedListener interface, which was created by the programmer. My answer implies that the programmer maintained a reference to their own implementation - mListener.
– Shade
Jul 9 '14 at 8:20
...
How do I create a random alpha-numeric string in C++?
...;
#include <unistd.h>
using namespace std;
string gen_random(const int len) {
string tmp_s;
static const char alphanum[] =
"0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
srand( (unsigned) time(NULL) * getpid());
...
Swift: Pass array by reference?
... when I add a chat to account.chats , chatsViewController.chats still points to account.chats ). I.e., I don't want Swift to separate the two arrays when the length of account.chats changes.
...
Object-orientation in C
...sic level, you just use plain structs as objects and pass them around by pointers:
struct monkey
{
float age;
bool is_male;
int happiness;
};
void monkey_dance(struct monkey *monkey)
{
/* do a little dance */
}
To get things like inheritance and polymorphism, you have to work a l...