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TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...ple:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with the actual code in the method.
Method calls are (slightly) expensive...
is there a post render callback for Angular JS directive?
...is not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript.
– parliament
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What does an underscore in front of an import statement mean?
...r answers described it completely, for "Show me The Code" people, this basically means: create package-level variables and execute the init function of that package.
And (if any) the hierarchy of package-level variables & init functions of packages that, this package has imported.
The only sid...
How can I recover a lost commit in Git?
...t commit - meaning that HEAD is pointing to a prior commit in history it's called detached HEAD.
On the command line, it will look like this - SHA-1 instead of the branch name since the HEAD is not pointing to the tip of the current branch:
A few options on how to recover from a detached HEAD:
...
How different is Objective-C from C++? [closed]
...y let you send a message to nil, unlike C++ which will crash if you try to call a member function of nullptr
Objective-C allows for dynamic dispatch, allowing the class responding to a message to be determined at runtime, unlike C++ where the object a method is invoked upon must be known at compile ...
What is an uninterruptible process?
...
An uninterruptible process is a process which happens to be in a system call (kernel function) that cannot be interrupted by a signal.
To understand what that means, you need to understand the concept of an interruptible system call. The classic example is read(). This is a system call that can ...
What's “tools:context” in Android layout files?
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That attribute is basically the persistence for the "Associated Activity" selection above the layout. At runtime, a layout is always associated with an activity. It can of course be associated with more than one, but at least one. In the tool, we...
How to check if a value exists in an array in Ruby
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@HenleyChiu I which it was called [ 'Dog', 'Bird', 'Cat' ].has? 'Dog'
– user1115652
May 21 '14 at 23:01
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Best practices for overriding isEqual: and hash
...orithm. It is not the most performant, and it is not even proven mathematically to be a "good" algorithm. But it is simple, and a lot of people have used it for a long time with good results, so it has a lot of historical support.
...
Is there a JavaScript / jQuery DOM change listener?
...uld be observed by the observer
// and what types of mutations trigger the callback
observer.observe(document, {
subtree: true,
attributes: true
//...
});
This example listens for DOM changes on document and its entire subtree, and it will fire on changes to element attributes as well as stru...