大约有 45,048 项符合查询结果（耗时：0.0266秒） [XML]
Merging: Hg/Git vs. SVN
I often read that Hg (and Git and...) are better at merging than SVN but I have never seen practical examples of where Hg/Git can merge something where SVN fails (or where SVN needs manual intervention). Could you post a few step-by-step lists of branch/modify/commit/...-operations that show where S...
What are the differences between struct and class in C++?
...ween class and struct is defined in (11.2):
Member of a class defined with the
keyword class are private by
default. Members of a class defined
with the keywords struct or union
are public by default.
Additional difference: the keyword class can be used to declare template parameters, ...
What is the preferred syntax for defining enums in JavaScript?
...
Since 1.8.5 it's possible to seal and freeze the object, so define the above as:
const DaysEnum = Object.freeze({"monday":1, "tuesday":2, "wednesday":3, ...})
or
const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...}
Object.free...
Is object empty? [duplicate]
...
I'm assuming that by empty you mean "has no properties of its own".
// Speed up calls to hasOwnProperty
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if it has a...
machine learning libraries in C# [closed]
...
Check out this awesome list on GitHub. Of the frameworks listed, Accord.NET is open-source and the most popular with over 2,000 stars.
Also, check out the official machine learning library for .NET provided by Microsoft: https://github.com/dotnet/machinele...
Entity Framework is Too Slow. What are my options? [closed]
...e "Don't Optimize Prematurely" mantra and coded up my WCF Service using Entity Framework.
13 Answers
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Extract source code from .jar file
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Use JD GUI. Open the application, drag and drop your JAR file into it.
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RuntimeException: Unable to instantiate application
...-install .apk file and trying to reuse or recycle the previous opened activity/view from the same package (if you haven't closed the previous installed app yet). It has nothing to do with your app, moreover, it is very unlikely that your app will get freezed or crashed cause by this verbose error me...
Why is Magento so slow? [closed]
...ese tree are built up from files on disk and on each request.
Magento uses its configuration system to allow you to override classes. This is a powerful feature, but it means anytime a model, helper, or controller is instantiated, extra PHP instructions need to run to determine if an original class...
Are static methods inherited in Java?
...
All methods that are accessible are inherited by subclasses.
From the Sun Java Tutorials:
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subclass is in the same package as its parent...