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Java synchronized method lock on object, or method?

... anyway. That's a bit misleading. Synchronizing on the method is functionally equivalent to having a synchronized (this) block around the body of the method. The object "this" doesn't become locked, rather the object "this" is used as the mutex and the body is prevented from executing concurrentl...
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Limiting floats to two decimal points

... You are running into the old problem with floating point numbers that not all numbers can be represented exactly. The command line is just showing you the full floating point form from memory. With floating point representation, your rounded version is the same number. Since computers are binary, ...
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Deciding between HttpClient and WebClient

Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls. 7 Answers ...
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How can I use Spring Security without sessions?

...n block these assets on the first load because "the URL contained a potentially malicious String ';'". – workerjoe Mar 5 at 17:36 ...
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What is the function __construct used for?

I have been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP. ...
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Position a CSS background image x pixels from the right?

...ected as the "Correct answer". According to MDN it's supported in IE9+ and all other browsers, which is great! developer.mozilla.org/en-US/docs/Web/CSS/… – fregante Sep 27 '13 at 0:16 ...
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One-liner to take some properties from object in ES 6

...to make it much more compact than your answer (or torazburo's), but essentially what you're trying to do is emulate Underscore's pick operation. It would be easy enough to re-implement that in ES6: function pick(o, ...fields) { return fields.reduce((a, x) => { if(o.hasOwnProperty(x)...
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Why doesn't ruby support method overloading?

...; end; # second argument has a default value method(10) # Now the method call can match the first one as well as the second one, # so here is the problem. So ruby needs to maintain one method in the method look up chain with a unique name. ...
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How to reference a file for variables using Bash?

I want to call a settings file for a variable, how can I do this in bash? 9 Answers 9 ...
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单页web应用(SPA)的简单介绍 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...     main.innerHTML=data;      }   }); } ________________________________ 参考原文链接:http://www.cnblogs.com/constantince/p/5586851.html 单页应用 SPA