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How to access property of anonymous type in C#?
...>();
nodes.Add(
new
{
Checked = false,
depth = 1,
id = "div_1"
});
1. Solution with dynamic
In C# 4.0 and higher versions, you can simply cast to dynamic and write:
if (nodes.Any(n => ((dynamic)n).Checked == false))
Console.WriteLine("found not checked element!");
Note:...
How do I format a date with Dart?
...
You can use the intl package (installer) to format dates.
For en_US formats, it's quite simple:
import 'package:intl/intl.dart';
main() {
final DateTime now = DateTime.now();
final DateFormat formatter = DateFormat('yyyy-MM-dd');
final String formatted = formatter.format(now);
pr...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...just call DummyClass.
class DummyClass
constructor : () ->
some_function : () ->
return "some_function"
other_function : () =>
return "other_function"
dummy = new DummyClass()
dummy.some_function() == "some_function" # true
dummy.other_function() == "other...
What is the purpose of “return await” in C#?
...ss, in first case you should return foo.DoAnotherThingAsync().ContinueWith(_ => foo.Dispose());
– ghord
Sep 23 '14 at 8:58
7
...
ipython: print complete history (not just current session)
...
First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history)
Then you can use the the get_session_info function to retreive the date and...
Android file chooser [closed]
...tent in an Intent.createChooser() like this:
private static final int FILE_SELECT_CODE = 0;
private void showFileChooser() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);
try {
startActivityFor...
How to use “raise” keyword in Python [duplicate]
...dler, so that it can be handled further up the call stack.
try:
generate_exception()
except SomeException as e:
if not can_handle(e):
raise
handle_exception(e)
share
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improve this answe...
How to git-cherry-pick only changes to certain files?
...st other methods I have come across.
In principle:
git checkout <other_branch_name> <files/to/grab in/list/separated/by/spaces> -p
example:
git checkout mybranch config/important.yml app/models/important.rb -p
You then get a dialog asking you which changes you want in "blobs" this...
Convert an NSURL to an NSString
...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0
– Võ Mai Trinh
Jun 22 '15 at 9:39
...
Match whitespace but not newlines
...usr/bin/env perl
use strict;
use warnings;
use 5.005; # for qr//
my $ws_not_crlf = qr/[^\S\r\n]/;
for (' ', '\f', '\t', '\r', '\n') {
my $qq = qq["$_"];
printf "%-4s => %s\n", $qq,
(eval $qq) =~ $ws_not_crlf ? "match" : "no match";
}
Output:
" " => match
"\f" => match
"\t" ...