大约有 40,000 项符合查询结果（耗时：0.0484秒） [XML]
How to download image from url
..."https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xpf1/v/t34.0-12/10555140_10201501435212873_1318258071_n.jpg?oh=97ebc03895b7acee9aebbde7d6b002bf&oe=53C9ABB0&__gda__=1405685729_110e04e71d9");
using (MemoryStream mem = new MemoryStream(data))
{
using (var yourImage = Image.Fro...
How to match a String against string literals in Rust?
...intln!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println!("something else!"),
}
There's also an as_str method as of Rust 1.7.0:
match stringthing.as_str() {
"a" => println!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println...
No Swipe Back when hiding Navigation Bar in UINavigationController
...a controller in the UINavigationController stack is what is causing the EXC_BAD_ACCESS errors.
Full Solution
First, add this class to your project:
class InteractivePopRecognizer: NSObject, UIGestureRecognizerDelegate {
var navigationController: UINavigationController
init(controller: U...
How to find the mysql data directory from command line in windows
...y from the command line:
mysql -uUSER -p -e 'SHOW VARIABLES WHERE Variable_Name LIKE "%dir"'
Output (on Linux):
+---------------------------+----------------------------+
| Variable_name | Value |
+---------------------------+----------------------------+
| based...
Camera orientation issue in Android
...ce API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
Since the photo is displaying correctly in your app, i'm not sure where the problem is, but this should definitely set you on the right path!
...
How to force link from iframe to be opened in the parent window
...Add the following to the head of the page in the iframe:
<base target="_parent">
This will load all links on the page in the parent window. If you want your links to load in a new window, use:
<base target="_blank">
This tag is fully supported in all browsers.
...
What is the difference between a field and a property?
...It is private to your class and stores the actual data.
private string _myField;
// this is a property. When accessed it uses the underlying field,
// but only exposes the contract, which will not be affected by the underlying field
public string MyProperty
{
get
...
How to create a zip archive of a directory in Python?
... for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
zipf = zipfile.ZipFile('Python.zip', 'w', zipfile.ZIP_DEFLATED)
zipdir('tmp/', zipf)
zipf.close()
Adapted from: http://www.devshed.com/c/a/Python/Python-UnZipped/
...
What is memoization and how can I use it in Python?
...orials using memoization in Python would be something like this:
factorial_memo = {}
def factorial(k):
if k < 2: return 1
if k not in factorial_memo:
factorial_memo[k] = k * factorial(k-1)
return factorial_memo[k]
You can get more complicated and encapsulate the memoization...
How to change field name in Django REST Framework
...erializerMethodField:
Here is the model Park, which has name and alternate_name fields.
class Park(models.Model):
name = models.CharField(max_length=256)
alternate_name = models.CharField(max_length=256, blank=True)
objects = models.GeoManager()
class Meta:
db_table = u'...