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Learn C first before learning Objective-C [closed]
...blem entirely in Obj-C, sometimes resulting in a very clumsy solutions. Usually I then replace some Obj-C code with pure C code (after all you can mix them as much as you like, the content of an Obj-C method can be entirely, pure C code). Without any intention to insult any Obj-C programmer, there a...
Is there a way to navigate to real implementation of method behind an interface?
In Visual Studio, when you right-click a method call, you go to the implementation of that method inside a class except if you access this method through an interface: in that case you go to the interface method not to the actual implementation.
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git returns http error 407 from proxy after CONNECT
...e to get local issuer certificate" error)
in my case, no need of defining all_proxy variable
and finally
git clone https://github.com/someUser/someRepo.git
share
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improve this answer
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When is a language considered a scripting language? [closed]
...ut one could say it's focusing more on own applications, still it's often called a "scripting language". Maybe because the hidden compilation into bytecode of the reference CPython impl. doesn't raise compilation errors regarding "type safety"? Maybe Oded's answer has these...
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Difference between binary tree and binary search tree
... @pete: It's a conceptual thing, you won't necessarily ever actually make one that is completely unconstrained. However, there are lots of non-search binary trees that are special in some other way, e.g. binary heaps.
– user541686
Feb 10 '15 at 7:45
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COALESCE Function in TSQL
...not sure why you think the documentation is vague.
It simply goes through all the parameters one by one, and returns the first that is NOT NULL.
COALESCE(NULL, NULL, NULL, 1, 2, 3)
=> 1
COALESCE(1, 2, 3, 4, 5, NULL)
=> 1
COALESCE(NULL, NULL, NULL, 3, 2, NULL)
=> 3
COALESCE(6, 5, 4, ...
Reverting a single file to a previous version in git [duplicate]
..., and we want to revert the file to one of the previous versions. First of all, git doesn't keep version numbers for individual files. It just tracks content - a commit is essentially a snapshot of the work tree, along with some metadata (e.g. commit message). So, we have to know which commit has th...
How to apply specific CSS rules to Chrome only?
...get the Google Chrome,using media queries or CSS hacks,but Javascript is really more effective.
Here is the piece of Javascript code that will target Google Chrome 14 and later,
var isChrome = !!window.chrome && !!window.chrome.webstore;
and below is a list of Available Browser hacks,f...
Differences between Octave and MATLAB? [closed]
...uctures are. The above link shows several examples where they are syntactically similar or identical, is this true for the whole language?
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Can we instantiate an abstract class?
...that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declared in the class
type and all the instance variables declared in each superclass of the
class type, including all the instance variables that may be hidden....