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What is the scope of variables in JavaScript?
...passed the point of declaration in the source code. The interim period is known as the temporal dead zone.
function f() {
function g() {
console.log(x)
}
let x = 1
g()
}
f() // 1 because x is hoisted even though declared with `let`!
Function parameter names
Function...
What are the basic rules and idioms for operator overloading?
...erator
The function call operator, used to create function objects, also known as functors, must be defined as a member function, so it always has the implicit this argument of member functions. Other than this, it can be overloaded to take any number of additional arguments, including zero.
Here'...
Visual Studio 2012 Web Publish doesn't copy files
...a fresh Visual Studio 2012 project. It published over FTP in the past, but now when I try to Publish it does exactly as above - it pretends to, says it was successful, and pushes nothing. It does build the output to the obj dir, but it never actually copies it to the server. The change Configuration...
What are the Dangers of Method Swizzling in Objective-C?
... calls that, but the _cmd argument isn't setFrame: like it should be. It's now my_setFrame:. The original implementation is being called with an argument it never expected it would receive. This is no good.
There's a simple solution — use the alternative swizzling technique defined above. The arg...
How to add leading zeros?
...formatC is an interface to the C function printf. Using it requires some knowledge of the arcana of that underlying function (see link). In this case, the important points are the width argument, format being "d" for "integer", and a "0" flag for prepending zeroes.
formatC(anim, width = 6, format...
Execute raw SQL using Doctrine 2
... = "DELETE FROM tmp
WHERE lastedit + INTERVAL '5 minute' < NOW() ";
$stmt = $this->getServiceLocator()
->get('Doctrine\ORM\EntityManager')
->getConnection()
->prepare($sql);
$stmt->execute();
...
Why do we need private subnet in VPC?
...rewrite the source port, and in any case, it remembers the mappings so it knows which internal machine should receive the response packets). A NAT instance does not allow any "unexpected" inbound traffic to reach the private instances, unless it's been specifically configured to do so.
Thus, when ...
How can I do test setup using the testing package in Go
...tory to perform testing in (with a unique, random name), how do the tests know the name of the directory ? There must be a place to set this context ??
– Lqueryvg
Aug 28 '17 at 9:04
...
How to prevent ajax requests to follow redirects using jQuery
...s which prevent redirection. In case of "Microsoft world", which I better know, you can look at WinHttpSetOption function which can be used to set WINHTTP_OPTION_DISABLE_FEATURE option with the WINHTTP_DISABLE_REDIRECTS value. Another way are the usage of WINHTTP_OPTION_REDIRECT_POLICY option with t...
How does a language expand itself? [closed]
... a precompiled version of the library ? Thus allowing the C++ compiler to know what to translate those calls into ?
– Med Larbi Sentissi
Jul 28 '14 at 13:08
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