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What are the differences between Rust's `String` and `str`?
...of UTF-8 bytes of dynamic length somewhere in memory. Since the size is unknown, one can only handle it behind a pointer. This means that str most commonly2 appears as &str: a reference to some UTF-8 data, normally called a "string slice" or just a "slice". A slice is just a view onto some data,...
Can javax.persistence.Query.getResultList() return null?
...t it right?
No matter what, I would code defensively and check for null.
Now the big question: should we treat "null" and an empty List as synonymous? This is where the specs should help us, and don't.
My guess is that a null return (if indeed it could happen) would be equivalent to "I didn't un...
How can I listen for a click-and-hold in jQuery?
...timeoutId);
});
Edit: correction per AndyE...thanks!
Edit 2: using bind now for two events with same handler per gnarf
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How do I capture SIGINT in Python?
...ython script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
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Make header and footer files to be included in multiple html pages
...l
<a href="http://www.google.com">click here for google</a>
Now, when you visit index.html, you should be able to click the link tags.
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...ch is using about 400 MB or more RAM will also solve the problem. It is unknowingly reserving the process.
– viper
Jun 10 '16 at 7:00
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IIS_IUSRS and IUSR permissions in IIS8
...ine):
Press OK to add the user
With the new user (your domain) selected, now you can safely provide any Modify or Write permissions
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How to trigger event in JavaScript?
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This answer is more actual now. One thing to add: if there should be a know-typed event (like TransitionEvent, ClipboardEvent, etc) the appropriate constructor could be called.
– Kiril
Jul 1 '14 at 13:04
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What are the most common non-BMP Unicode characters in actual use? [closed]
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Emoji are now the most common non-BMP characters by far. ????, otherwise known as U+1F602 FACE WITH TEARS OF JOY, is the most common one on Twitter's public stream. It occurs more frequently than the tilde!
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Understanding generators in Python
...u do not look into until you understand the basic concept of a generator.
Now you may ask: why use generators? There are a couple of good reasons:
Certain concepts can be described much more succinctly using generators.
Instead of creating a function which returns a list of values, one can write ...