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How to print to console when using Qt
...hat variables do you want to print? If you mean QStrings, those need to be converted to c-Strings. Try:
std::cout << myString.toAscii().data();
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Trigger 404 in Spring-MVC controller?
...er
public class SomeController {
@RequestMapping.....
public void handleCall() {
if (isFound()) {
// whatever
}
else {
throw new ResourceNotFoundException();
}
}
}
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WHERE vs HAVING
...ns you create yourself (for example select 1 as "number" ) after HAVING and not WHERE in MySQL?
7 Answers
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What is the default access specifier in Java?
I just started reading a Java book and wondered; which access specifier is the default one, if none is specified?
12 Answer...
What is the correct JSON content type?
...been messing around with JSON for some time, just pushing it out as text and it hasn't hurt anybody (that I know of), but I'd like to start doing things properly.
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Preview an image before it is uploaded
...target.result);
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
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Replace non-ASCII characters with a single space
...t'll pass over the values twice), and a generator expression will first be converted to one. Giving it a list comprehension is simply faster. See this post.
– Martijn Pieters♦
Nov 19 '13 at 18:42
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JavaScript null check
... @afsantos: in reality I don't think that many (any?) values will convert to null; however, it's a best practice to use strict comparison (===) unless you really know what you're doing and want comparison after conversion (==).
– maerics
May 21 '13 at ...
Parsing CSV files in C#, with header
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Let a library handle all the nitty-gritty details for you! :-)
Check out FileHelpers and stay DRY - Don't Repeat Yourself - no need to re-invent the wheel a gazillionth time....
You basically just need to define that shape of your data - ...
Named placeholders in string formatting
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You can set a custom VariableResolver and throw an Exception if the key isn't present in the map.
– Mene
Apr 21 '16 at 14:21
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