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Hidden Features of C#? [closed]
...and set the value to null, it would be very strange for someone using your API.
– Ian
Oct 7 '09 at 8:16
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When would you use delegates in C#? [closed]
...ent handlers (for GUI and more)
Starting threads
Callbacks (e.g. for async APIs)
LINQ and similar (List.Find etc)
Anywhere else where I want to effectively apply "template" code with some specialized logic inside (where the delegate provides the specialization)
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Detecting input change in jQuery?
...ery .val() method) won't fire any of the events above.
(Reference: https://api.jquery.com/change/).
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Find() vs. Where().FirstOrDefault()
...ist<T> was added with generics in .NET 2.0, and Find was part of the API for that class. Where and FirstOrDefault were added as extension methods for IEnumerable<T> with Linq, which is a later .NET version. I cannot say with certainty that if Linq existed with the 2.0 release that Find w...
Override valueof() and toString() in Java enum
...e enum constants.
BTW - that 'ImmutableMap' type is from the Google guava API, and I definitely recommend it in cases like this.
EDIT - Per the comments:
This solution assumes that each assigned string value is unique and non-null. Given that the creator of the enum can control this, and that ...
Is there a label/goto in Python?
...ython, at least in CPython and PyPy, and not only by misusing the debugger API as that other guy did. You have to mess with the bytecode though.
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how to set radio option checked onload with jQuery
... thing. For explanation, see the "Attributes vs. Properties" section here: api.jquery.com/prop. Also there's no need for the extra filter, you can just combine the 2 selectors e.g. $("input[name=gender][value=Male]").prop("checked", true);
– jackocnr
Apr 2 '14 ...
How to send file contents as body entity using cURL
... case I was trying to send the content of a text file to the Slack Webhook api and for some reason the above answer did not work. Anywho, this is what finally did the trick for me:
curl -X POST -H --silent --data-urlencode "payload={\"text\": \"$(cat file.txt | sed "s/\"/'/g")\"}" https://hooks.sla...
How can I parse a local JSON file from assets folder into a ListView?
...ailable() is incorrect as per the Java docs: docs.oracle.com/javase/7/docs/api/java/io/… "Note that while some implementations of InputStream will return the total number of bytes in the stream, many will not. It is never correct to use the return value of this method to allocate a buffer int...
How to create a loop in bash that is waiting for a webserver to respond?
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Interesting puzzle. If you have no access or async api with your client, you can try grepping your tcp sockets like this:
until grep '***IPV4 ADDRESS OF SERVER IN REVERSE HEX***' /proc/net/tcp
do
printf '.'
sleep 1
done
But that's a busy wait with 1 sec intervals. You...