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What's the strangest corner case you've seen in C# or .NET? [closed]
...es and brain teasers and would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible:
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...t;> A + B
Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1})
Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and values.
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Convert string to nullable type (int, double, etc…)
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+1, Just beat me to it. A small nitpick: the converted value needs to be assigned directly to result, not to result.Value. ie, "result = (T)conv.ConvertFrom(s);".
– LukeH
Apr 21 '09 at 15:33
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Returning value from Thread
...// value[0] holds 2 at this point.
}
You can also use an Executor and a Callable like this:
public void test() throws InterruptedException, ExecutionException
{
ExecutorService executor = Executors.newSingleThreadExecutor();
Callable<Integer> callable = new Callable<Integer>...
How can you use an object's property in a double-quoted string?
... @ozzy432836 You can, of course. Or use format strings. It usually doesn't really matter and comes down to personal preference.
– Joey
Jul 22 '16 at 16:19
add a c...
How can I create an object based on an interface file definition in TypeScript?
...eating the "modal" variable elsewhere, and want to tell TypeScript it will all be done, you would use:
declare const modal: IModal;
If you want to create a variable that will actually be an instance of IModal in TypeScript you will need to define it fully.
const modal: IModal = {
content: ''...
How to convert string to boolean php
...ted by @lauthiamkok in the comments. I'm posting it here as an answer to call more attention to it.
Depending on your needs, you should consider using filter_var() with the FILTER_VALIDATE_BOOLEAN flag.
filter_var( true, FILTER_VALIDATE_BOOLEAN); // true
filter_var( 'true', FILTER_VALIDATE_...
Working with huge files in VIM
I tried opening a huge (~2GB) file in VIM but it choked. I don't actually need to edit the file, just jump around efficiently.
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How can I do string interpolation in JavaScript?
... @LaughingLemonade Backward compatibility. If it was implemented that way, all the existing code which prints a string in that format will fail.
– thefourtheye
Dec 21 '18 at 7:02
2...
How to create a directory using Ansible
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If state=directory, all immediate subdirectories will be created if they do not exist, since 1.7 they will be created with the supplied permissions.
– Alex
Oct 6 '16 at 10:05
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