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What's the purpose of SQL keyword “AS”?
...s. Just concatenate (||) the columns and then give it an alias e.g. SELECT foo || bar AS foobar.
– Rupert Madden-Abbott
Dec 10 '18 at 14:26
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Makefile variable as prerequisite
...
ifndef ENV
$(error ENV not defined)
endif
endif
.PHONY: deploy
deploy: foo bar
...
other-thing-that-needs-ENV: bar baz bono
...
You can read about the different functions/variables used here and $() is just a way to explicitly state that we're comparing against "nothing".
...
Returning a file to View/Download in ASP.NET MVC
...r cd = new System.Net.Mime.ContentDisposition
{
// for example foo.bak
FileName = document.FileName,
// always prompt the user for downloading, set to true if you want
// the browser to try to show the file inline
Inline = false,
};
Response.Ap...
How do I determine scrollHeight?
...pt property so you don't need jQuery.
var test = document.getElementById("foo").scrollHeight;
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Django CSRF check failing with an Ajax POST request
...en pass it e.g doing some POST, like:
$.post( "/panel/change_password/", {foo: bar, csrfmiddlewaretoken: token}, function(data){
console.log(data);
});
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Insert html in a handlebar template without escaping
...lebars template and get the raw HTML output by using triple brackets.
{{{foo}}}
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HTTP Error 503, the service is unavailable
... -> System. The error message will be something like "Application pool Foo has been disabled. Windows Process Activation Service (WAS) encountered a failure when it started a worker process to serve the application pool." If it is a bad username or password in the identity, then that will be m...
C++ performance vs. Java/C#
... C++ is still usually faster than java, mainly because of lighter memory footprint that result in better cache performance.
But to use all of C++ capability you, the developer must work hard. You can achieve superior results, but you must use your brain for that. C++ is a language that decided to...
Is a url query parameter valid if it has no value?
Is a url like http://example.com/foo?bar valid?
8 Answers
8
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Is there an onSelect event or equivalent for HTML ?
...">B</option>
<option onclick="doSomethingElse(..);" value="Foo">C</option>
</select>
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