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How to get HTTP response code for a URL in Java?
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HttpURLConnection:
URL url = new URL("http://example.com");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("GET");
connection.connect();
int code = connection.getResponseCode();
This is by no means a robust example; you'll...
Should I pass an std::function by const-reference?
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@Yakk-AdamNevraumont if would be more complete to cover another option to pass by rvalue ref: std::future<void> run_in_ui_thread( std::function<void()>&& )
– Pavel P
Aug 13 '18 at 4:22
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How can I combine hashes in Perl?
What is the best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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What is the maximum value for an int32?
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2147483647 without commas.
– Vern D.
Feb 5 '16 at 20:22
20
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Can I find out the return value before returning while debugging in Intellij?
..."Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Beware, this does dramatically decrease the performance of the debugger and it will take longer to debug.
Also you can do the following manually.
Setup the breakpoint ...
twitter bootstrap autocomplete dropdown / combobox with Knockoutjs
I have a requirement where I HAVE TO use bootstrap autocomplete dropdown, BUT user can have free form text in that dropdown if they wish. Before you think about TypeAhead, I could use Bootstrap TypeAhead textbox, but I need to have the dropdown becasue we want to give some default values as headstar...
What is Cache-Control: private?
When I visit chesseng.herokuapp.com I get a response header that looks like
4 Answers
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Using ECMAScript 6
...ove developing in ES6, then you could write ES6 code and use an ES6-to-ES5 compiler to generate JavaScript code that is compatible with all existing (modern) browsers.
For example, see https://github.com/google/traceur-compiler. As of writing, it supports all of the new syntax features of ES6. Toge...
How do I check the difference, in seconds, between two dates?
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if you want to compute differences between two known dates, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds ...