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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术

... cpuid cmp eax, 80000004h jb not_supported mov di, offset CPU_name mov eax, 80000002h cpuid call save_string mov eax, 80000003h cpuid ...
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Should IBOutlets be strong or weak under ARC?

...t practice from Apple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said: And the last option I want...
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Why use a public method in an internal class?

...presents the key, documented functionality provided by this object." Basically, my attitude is: suppose I decided to make this internal class into a public class. In order to do that, I want to change exactly one thing: the accessibility of the class. If turning an internal class into a public clas...
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warning: implicit declaration of function

...s to declare function prototype in header. Example main.h #ifndef MAIN_H #define MAIN_H int some_main(const char *name); #endif main.c #include "main.h" int main() { some_main("Hello, World\n"); } int some_main(const char *name) { printf("%s", name); } Alternative with one file...
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Add a property to a JavaScript object using a variable as the name?

...out modifying but it's referenced by other questions that are about dynamically creating objects and so I ended up here and happily benefited from this answer. – Oliver Lloyd Oct 29 '16 at 17:40 ...
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Comparing two dataframes and getting the differences

...df2, works only for dataframes with identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order. If I got you right, you want not to find changes, but symmetric difference. For that, o...
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Python Graph Library [closed]

... I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files. – exhuma Aug 10 '12 at 7:46 ...
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Non-alphanumeric list order from os.listdir()

...however you want. Based on what you describe, sorted(os.listdir(whatever_directory)) Alternatively, you can use the .sort method of a list: lst = os.listdir(whatever_directory) lst.sort() I think should do the trick. Note that the order that os.listdir gets the filenames is probably complet...
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Should I URL-encode POST data?

...ould read the documentation here. Here's the relevant information: CURLOPT_POST TRUE to do a regular HTTP POST. This POST is the normal application/x-www-form-urlencoded kind, most commonly used by HTML forms. CURLOPT_POSTFIELDS The full data to post in a HTTP "POST" operation. To post a file, prep...
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mongodb count num of distinct values per field/key

...} }, { $unwind: "$keywords" }, { $group: { _id: {$toLower: '$keywords'}, count: { $sum: 1 } } }, { $match: { count: { $gte: 2 } } }, { $sort : { count : -1} }, { $limit : 100 } ]); that give result ...