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How to pass objects to functions in C++?
I am new to C++ programming, but I have experience in Java. I need guidance on how to pass objects to functions in C++.
7 A...
How to round a number to n decimal places in Java
... first looked at the DecimalFormat class is that it was only introduced in Java 1.6. Unfortunately I'm restricted to using 1.5 but it will be useful to know for the future.
– Alex Spurling
Oct 1 '08 at 13:07
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Type safety: Unchecked cast
...re would not be a warning in the first case, I'm not sure how pedantic the Java compiler is with warnings for Java 5). However, you are converting it to a HashMap<String, String>.
HashMaps are really maps that take an object as a key and have an object as a value, HashMap<Object, Object>...
Google Gson - deserialize list object? (generic type)
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Method to deserialize generic collection:
import java.lang.reflect.Type;
import com.google.gson.reflect.TypeToken;
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Type listType = new TypeToken<ArrayList<YourClass>>(){}.getType();
List<YourClass> yourClassList = new Gson().fromJson(jsonArray, listT...
How do I make HttpURLConnection use a proxy?
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Since java 1.5 you can also pass a java.net.Proxy instance to the openConnection(proxy) method:
//Proxy instance, proxy ip = 10.0.0.1 with port 8080
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8080))...
PatternSyntaxException: Illegal Repetition when using regex in Java
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The { and } are special in Java's regex dialect (and most other dialects for that matter): they are the opening and closing tokens for the repetition quantifier {n,m} where n and m are integers. Hence the error message: "Illegal repetition".
You shoul...
Pretty-Print JSON in Java
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If you are using a Java API for JSON Processing (JSR-353) implementation then you can specify the JsonGenerator.PRETTY_PRINTING property when you create a JsonGeneratorFactory.
The following example has been originally published on my blog pos...
PHP报错：Only variables should be passed by reference - C/C++ - 清泛网 - 专注C/C++及内核技术
...l = array_shift(explode(' ', $tag));
解决办法 1 ：
5.3以上版本的问题，应该也和配置有关 只要406行把这一句拆成两句就没有问题了
$tag_sel = array_shift(explode(' ', $tag));
改成：
$tag_arr = explode(' ', $tag);
$tag_sel = array_shift($tag_arr);
（...
穷人VS富人：其实就这么点差别 - 杂谈 - 清泛网 - 专注C/C++及内核技术
穷人VS富人：其实就这么点差别其实这就是穷人和富人的区别，穷人觉得赚钱难，富人觉得花钱难。干爹马云说，花钱比赚钱难，很多人表示很不理解。
尼玛，天天累死累活，赚那点工资，勉勉强强刚够生活，有钱还怕没处花...
MongoVUE查询结果中时间相差8小时？ - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...时？现象，如下图：和实际时间相差8个小时，首先想到的就是时区问题，要对MongoVUE的时间显示进行设置，如下：设置完成后，点刷新，然后就可以 现象，如下图：
和实际时间相差8个小时，首先想到的就是时区问题，要...