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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;
}
...
Setting custom UITableViewCells height
...*)indexPath
{
return [indexPath row] * 20;
}
Swift 5
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return indexPath.row * 20
}
You will probably want to use NSString's sizeWithFont:constrainedToSize:lineBreakMode: method to calculate your ...
Installing SciPy with pip
...
An attempt to easy_install indicates a problem with their listing in the Python Package Index, which pip searches.
easy_install scipy
Searching for scipy
Reading http://pypi.python.org/simple/scipy/
Reading http://www.scipy.org
Reading http:/...
Javascript : natural sort of alphanumerical strings
...llator(undefined, {numeric: true, sensitivity: 'base'});
var myArray = ['1_Document', '11_Document', '2_Document'];
console.log(myArray.sort(collator.compare));
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...
@RequestParam vs @PathVariable
...re interesting annotation:
@MatrixVariable
http://localhost:8080/spring_3_2/matrixvars/stocks;BT.A=276.70,+10.40,+3.91;AZN=236.00,+103.00,+3.29;SBRY=375.50,+7.60,+2.07
And the Controller method for it
@RequestMapping(value = "/{stocks}", method = RequestMethod.GET)
public String showPortfo...
Can C++ code be valid in both C++03 and C++11 but do different things?
...c"
const char* s = u8"def"; // Previously "abcdef", now "def"
and
#define _x "there"
"hello "_x // Previously "hello there", now a user defined string literal
Type conversions of 0
In C++11, only literals are integer null pointer constants:
void f(void *); // #1
void f(...); // #2
template<int ...
What does the 'b' character do in front of a string literal?
...
Actually, if you've imported unicode_literals from __future__, this will "reverse" the behavior for this particular string (in Python 2.x)
– Romuald Brunet
Mar 14 '13 at 16:27
...
How to start a background process in Python?
...e way your shell script did, or you can spawn it:
import os
os.spawnl(os.P_DETACH, 'some_long_running_command')
(or, alternatively, you may try the less portable os.P_NOWAIT flag).
See the documentation here.
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How to pretty print XML from Java?
...?xml ...> declaration, add transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes")
– rustyx
Aug 25 '15 at 20:01
4
...
How can I use a local image as the base image with a dockerfile?
...on: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
Server:
Version: 1.12.6
API version: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
docker images
...