大约有 40,000 项符合查询结果(耗时:0.0598秒) [XML]

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How to check if a float value is a whole number

... @PeterM: The method indeed only returns True if there are no decimals at all. There may be a misunderstanding on the part of the OP about floating point arithmetic and precision, of course. – Martijn Pieters♦ Feb 5 '14 at 17:17 ...
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Display names of all constraints for a table in Oracle SQL

... You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints: SELECT * FROM user_cons_columns WHERE table_name = '<your table name>'; FYI, unless you specifically created your table with ...
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How do I determine whether my calculation of pi is accurate?

...various methods to implement a program that gives the digits of pi sequentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms. ...
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Will console.log reduce JavaScript execution performance?

... objects does cause memory leak as browser retains the object structure to allow developers to expand the log. – Shamasis Bhattacharya May 26 '14 at 11:25 3 ...
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What is the difference between == and equals() in Java?

... @BoDidely I figured it out. It was because all the wrapper classes are immutable. – JPG Jul 31 '15 at 20:41 ...
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How can I determine if a .NET assembly was built for x86 or x64?

...of processor and bits-per-word. I'm using PowerShell in this example to call the method. share | improve this answer | follow | ...
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How to convert a file into a dictionary?

...t by normal execution flow or by an exception) there file will be automatically closed. You can read more about context-managers in Python here: effbot.org/zone/python-with-statement.htm – Vlad H Jan 26 '11 at 11:49 ...
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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...
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Get element inside element by class and ID - JavaScript

...er than worrying about browser compatibility yourself (let someone else do all the work). If you want just a library to do that, then Sizzle will work great. In Sizzle, this would be be done like this: Sizzle("#foo .bar")[0].innerHTML = "Goodbye world!"; jQuery has the Sizzle library built-in...
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Utils to read resource text file to String (Java) [closed]

...useDelimiter("\\A").next(); Guys, don't use 3rd party stuff unless you really need that. There is a lot of functionality in the JDK already. share | improve this answer | f...