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How to call an async method from a getter or setter?
...ll get populated without blocking the UI, when getTitle() returns.
string _Title;
public string Title
{
get
{
if (_Title == null)
{
Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); });
}
return _Title;
}
...
Exif manipulation library for python [closed]
...ould do this:
from PIL import Image
from PIL.ExifTags import TAGS
def get_exif(fn):
ret = {}
i = Image.open(fn)
info = i._getexif()
for tag, value in info.items():
decoded = TAGS.get(tag, tag)
ret[decoded] = value
return ret
Disclaimer:
I actually have no idea...
Unable to generate an explicit migration in entity framework
...the database OR you can delete the pending migration file ([201203170856167_left]) from your Migrations folder and then re-run "add-migration" to create a brand new migration based off of your edits.
share
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...
What is this 'Lambda' everyone keeps speaking of?
...nsive operations to get a user. Ajax for example
users[name] = user_from_ajax;
}
return users[name];
};
Later on, we may notice that we have a similar function:
var photos = [];
var getPhoto = function (name) {
if (! photo[name]) {
// expensive operations to get a use...
How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
...at for an overview. You need to read the MS-DOS header, then read the IMAGE_NT_HEADERS structure. This contains the IMAGE_FILE_HEADER structure which contains the info you need in the Machine member which contains one of the following values
IMAGE_FILE_MACHINE_I386 (0x014c)
IMAGE_FILE_MACHINE_IA64...
Use HTML5 to resize an image before upload
... var canvas = document.createElement('canvas'),
max_size = 544,// TODO : pull max size from a site config
width = image.width,
height = image.height;
if (width > height) {
if (width > max_size) ...
How does libuv compare to Boost/ASIO?
...s. For this reason, care needs to be taken when using the default loop (uv_default_loop()), rather than creating a new loop (uv_loop_new()), as another component may be running the default loop.
Boost.Asio does not have the notion of a default loop; all io_service are their own loops that allow for...
Sorting an IList in C#
...: IComparer<T>, IComparer
{
private readonly Comparison<T> _comparison;
public ComparisonComparer(Comparison<T> comparison)
{
_comparison = comparison;
}
public int Compare(T x, T y)
{
return _comparison(x, y);
}
public int Compare...
Using switch statement with a range of value in each case?
...Certainly a good thing; I would name the enum constants something like FROM_1_TO_5. Usually the ranges have a certain meaning, and in that case the enum constants can be named according to the meaning of the range.
– nmatt
Aug 21 at 15:14
...
PHP Session Security
...er. That is, don't send details such as username in the cookie.
Check the $_SERVER['HTTP_USER_AGENT']. This adds a small barrier to session hijacking. You can also check the IP address. But this causes problems for users that have changing IP address due to load balancing on multiple internet connec...