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Purpose of returning by const value? [duplicate]
...
int main() {
foo() = 4; // not valid anyway for built-in types
}
// error: lvalue required as left operand of assignment
Though you can notice if the return type is a user-defined type:
struct T {};
const T foo() {
return T();
}
int main() {
foo() = T();
}
// error: passing ‘con...
Where to find Application Loader app in Mac?
...n Loader through Xcode resulted in a newer version that resolved an upload error.
– Jasper Kuperus
Jul 25 '19 at 9:18
1
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How to empty a Heroku database
...:setup doesn't work with Rails 4, it fails with a Couldn't create database error.
Edit 2014-10-09: You can use rake db:setup with Rails 4. It does give you a Couldn't create database error (because the database was already created using the heroku pg:reset command). But it also loads your database ...
Java - sending HTTP parameters via POST method easily
...tion really cumbersome to use. And you have to write a lot of boilerplate, error prone code. I needed a lightweight wrapper for my Android projects and came out with a library which you can use as well: DavidWebb.
The above example could be written like this:
Webb webb = Webb.create();
webb.post("...
System.BadImageFormatException: Could not load file or assembly [duplicate]
...4 and it works on my computer. Here in server where is win 2008 i get this error.
5 Answers
...
Double exclamation points? [duplicate]
... its result.
maybe, since Boolean conversion in JavaScript is surprisingly error-prone (in that e.g. new Boolean(false) is a true-valued value), the person who wrote the function feels that it should always be done explicitly rather than implicitly — even though the effect is the same — just to ...
Storyboard doesn't contain a view controller with identifier
I keep getting the following error:
19 Answers
19
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Why does NULL = NULL evaluate to false in SQL server
...always evaluates to false. This is counterintuitive and has caused me many errors. I do understand the IS NULL and IS NOT NULL keywords are the correct way to do it. But why does SQL server behave this way?
...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...ink it is better to add a counter or something, so when we are getting the error repeatedly, we can actually throw the error. Otherwise if there is actually an error, you will end up in a loop
– Sudara
Mar 18 '15 at 7:33
...
Apache Proxy: No protocol handler was valid
...s was happening for me in my Apache/2.4.18 (Ubuntu) setup. In my case, the error I was seeing was:
... AH01144: No protocol handler was valid for the URL /~socket.io/. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.
T...