大约有 40,000 项符合查询结果(耗时:0.0171秒) [XML]

https://stackoverflow.com/ques... 

JNI converting jstring to char *

...ctions.html concerning your problem you can use this JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaString) { const char *nativeString = env->GetStringUTFChars(javaString, 0); // use your string env->ReleaseStringUTFChars(javaString, nat...
https://stackoverflow.com/ques... 

Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

... in the branch prediction table moving the branch eliminated the alias and allowed the branch to be predicted correctly Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch predic...
https://stackoverflow.com/ques... 

getenv() vs. $_ENV in PHP

What is the difference between getenv() and $_ENV ? 6 Answers 6 ...
https://stackoverflow.com/ques... 

How to limit the maximum value of a numeric field in a Django model?

...ormer can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ? ...
https://stackoverflow.com/ques... 

Regex not operator

...: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width). There are actually 4 combinations of lookarounds with 2 axes: lookbehind / lookahead : specifies if the characters before or after the point are considered positi...
https://stackoverflow.com/ques... 

Is there a recommended format for multi-line imports?

... Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so: from Tkinter import ( Button, Canvas, DISABLED, END, Entry, Frame, LEFT, NORMAL, RI...
https://stackoverflow.com/ques... 

Package objects

... Normally you would put your package object in a separate file called package.scala in the package that it corresponds to. You can also use the nested package syntax but that is quite unusual. The main use case for package object...
https://stackoverflow.com/ques... 

Is it possible to use getters/setters in interface definition?

At the moment, TypeScript does not allow use get/set methods(accessors) in interfaces. For example: 4 Answers ...
https://stackoverflow.com/ques... 

Select multiple records based on list of Id's with linq

I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ? ...
https://stackoverflow.com/ques... 

Why is HttpClient BaseAddress not working?

...se class of my RestClient, it was almost invisible and got no attention at all, and I never saw the full url in at my breakpoints etc. – ProfK Dec 13 '16 at 14:32 ...