大约有 43,000 项符合查询结果（耗时：0.0556秒） [XML]
Android Studio - How to increase Allocated Heap Size
...
I looked at my Environment Variables and had a System Variable called _JAVA_OPTIONS with the value -Xms256m -Xmx512m, after changing this to -Xms256m -Xmx1024m the max heap size increased accordingly.
share
|
...
What is an example of the simplest possible Socket.io example?
... NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to o...
Centering a background image, using CSS
...nd-image:url(https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Dore_woodcut_Divine_Comedy_01.jpg/481px-Dore_woodcut_Divine_Comedy_01.jpg);
background-repeat:no-repeat;
background-position: center;
background-size: cover;
html{
height:100%
}
body{
background-image:url(https://uplo...
Favorite Django Tips & Features?
...cated within the Django project directory:
# settings.py
import os
PROJECT_DIR = os.path.dirname(__file__)
...
STATIC_DOC_ROOT = os.path.join(PROJECT_DIR, "static")
...
TEMPLATE_DIRS = (
os.path.join(PROJECT_DIR, "templates"),
)
Credits: I got this tip from the screencast 'Django From the Gro...
How do getters and setters work?
...yClass {
private $firstField;
private $secondField;
public function __get($property) {
if (property_exists($this, $property)) {
return $this->$property;
}
}
public function __set($property, $value) {
if (property_exists($this, $property)) {
$this->$property ...
Split files using tar, gz, zip, or bzip2 [closed]
...is very close to the content of this answer:
# create archives
$ tar cz my_large_file_1 my_large_file_2 | split -b 1024MiB - myfiles_split.tgz_
# uncompress
$ cat myfiles_split.tgz_* | tar xz
This solution avoids the need to use an intermediate large file when (de)compressing. Use the tar -C opti...
How do I print a double value with full precision using cout?
...cision of a float or double.
#include <limits>
typedef std::numeric_limits< double > dbl;
double d = 3.14159265358979;
cout.precision(dbl::max_digits10);
cout << "Pi: " << d << endl;
share
...
What is a memory fence?
...annot cache the variable value. The Linux kernel uses a gcc extension (asm __volatile__("": : :"memory")) to create a full compiler optimization barrier.
– CesarB
Nov 13 '08 at 10:36
...
Finding the type of an object in C++
...
dynamic_cast should do the trick
TYPE& dynamic_cast<TYPE&> (object);
TYPE* dynamic_cast<TYPE*> (object);
The dynamic_cast keyword casts a datum from one pointer or reference type to another, performing a runtime...
Custom UITableViewCell from nib in Swift
...)
}
// MARK: - UITableViewDataSource
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return items.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
...