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Checking for NULL pointer in C/C++ [closed]
...) and that way lies madness. The C language is clear that a boolean tested by if, while or the like has a specific meaning of non-zero value is true and zero is false. Redundancy does not make it clearer.
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How do I enumerate through a JObject?
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JObjects can be enumerated via JProperty objects by casting it to a JToken:
foreach (JProperty x in (JToken)obj) { // if 'obj' is a JObject
string name = x.Name;
JToken value = x.Value;
}
If you have a nested JObject inside of another JObject, you don't need to c...
Emacs in Windows
... can build it from sources
And concerning XEmacs, according to this post by Steve Yegge:
To summarize, I've argued that XEmacs has a much lower market share, poorer performance, more bugs, much lower stability, and at this point probably fewer features than GNU Emacs. When you add it all up, i...
Selecting only first-level elements in jquery
...her answers, the simplest method is to uniquely identify the root element (by ID or class name) and use the direct descendent selector.
$('ul.topMenu > li > a')
However, I came across this question in search of a solution which would work on unnamed elements at varying depths of the DOM.
T...
PhpStorm text size
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Why on earth is this not enabled by default? What were the devs thinking?!
– Black
Feb 28 '17 at 14:43
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Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...908的讨论，提供了一些可能有用的建议和解决方案。
（by ChatGPT）
Google Play Store政策要求，声明可以在没有用户干预的情况下直接发送短信和拨打电话，或接收短信和电话的所有应用程序都需要Google员工进行手动审核。MIT App Inv...
How do you prevent IDisposable from spreading to all your classes?
...he Shoelace abstraction, you quickly realize that it shouldn't be polluted by infrastructure dependencies, like IDisposable. IDisposable should be reserved for classes whose abstraction encapsulate a resource that calls for deterministic clean up; i.e., for classes where disposability is part of the...
unsigned int vs. size_t
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Classic C (the early dialect of C described by Brian Kernighan and Dennis Ritchie in The C Programming Language, Prentice-Hall, 1978) didn't provide size_t. The C standards committee introduced size_t to eliminate a portability problem
Explained in detail at embedded....
Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se
...nt sub or function then an internal error occurred.
I solved the problem by adding other items from inside their subs or functions and there were no errors again.
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How to install and run phpize
... So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error :
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