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git-checkout older revision of a file under a new name
I have the file " main.cpp " open in my editor.
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What is the difference between 'my' and 'our' in Perl?
...separate from any package, so that the variable cannot be accessed in the form of $package_name::variable.
On the other hand, our variables are package variables, and thus automatically:
global variables
definitely not private
not necessarily new
can be accessed outside the package (or lexical...
Go naming conventions for const
I'm trying to determine whether there is a naming convention for the names of const in Golang.
3 Answers
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What's the purpose of the LEA instruction?
For me, it just seems like a funky MOV. What's its purpose and when should I use it?
16 Answers
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Delete multiple records using REST
...strued by intermediaries as meaning “DELETE the (single) resource at /records/1;2;3” — So a 2xx response to this may cause them to purge their cache of /records/1;2;3; not purge /records/1, /records/2 or /records/3; proxy a 410 response for /records/1;2;3, or other things that don't make sens...
Proper practice for subclassing UIView?
I'm working on some custom UIView-based input controls, and I'm trying to ascertain proper practice for setting up the view. When working with a UIViewController, it's fairly simple to use the loadView and related viewWill , viewDid methods, but when subclassing a UIView, the closest methosds I...
Clear the cache in JavaScript
... call window.location.reload(true) to reload the current page. It will ignore any cached items and retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the effect of clearing the cache for the page you are on.
However, your bes...
What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...l trying to figure this out myself, so take this with some skepticism and forgive me if it contains errors.
setNeedsLayout is an easy one: it just sets a flag somewhere in the UIView that marks it as needing layout. That will force layoutSubviews to be called on the view before the next redraw hap...
What is the “Execute Around” idiom?
What is this "Execute Around" idiom (or similar) I've been hearing about?
Why might I use it, and why might I not want to use it?
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Should I use window.navigate or document.location in JavaScript?
...ow.navigate and document.location used. Are there any differences in behavior? Are there differences in browser implementations?
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