大约有 43,000 项符合查询结果(耗时:0.0688秒) [XML]

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Android adb “Unable to open sync connection!”

I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says: ...
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Creating range in JavaScript - strange syntax

... Understanding this "hack" requires understanding several things: Why we don't just do Array(5).map(...) How Function.prototype.apply handles arguments How Array handles multiple arguments How the Number function handles arguments ...
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Private properties in JavaScript ES6 classes

... Private fields (and methods) are being implemented in the ECMA standard. You can start using them today with babel 7 and stage 3 preset. class Something { #property; constructor(){ this.#property = "test"; } #privateMethod() {...
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Calling Python in Java?

... default')\nimport yourModule"); // execute a function that takes a string and returns a string PyObject someFunc = interpreter.get("funcName"); PyObject result = someFunc.__call__(new PyString("Test!")); String realResult = (String) result.__tojava__(String.class); ...
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How many parameters are too many? [closed]

... may need, but too many of them will make your routine difficult to understand and maintain. 34 Answers ...
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Choosing between qplot() and ggplot() in ggplot2 [closed]

I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?" ...
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]

... The reason you separate the login and non-login shell is because the .bashrc file is reloaded every time you start a new copy of Bash. The .profile file is loaded only when you either log in or use the appropriate flag to tell Bash to act as a login shell. P...
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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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What is the difference between POST and GET? [duplicate]

I've only recently been getting involved with PHP/AJAX/jQuery and it seems to me that an important part of these technologies is that of POST and GET . ...
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Greedy vs. Reluctant vs. Possessive Quantifiers

I found this excellent tutorial on regular expressions and while I intuitively understand what "greedy", "reluctant" and "possessive" quantifiers do, there seems to be a serious hole in my understanding. ...