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How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
I got a lot of errors with the message :
19 Answers
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How do I create directory if none exists using File class in Ruby?
I have this statement:
7 Answers
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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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Using jQuery to test if an input has focus
On the front page of a site I am building, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except ...
How to pass JVM options from bootRun
I'm developing simple Spring web application that communicates with remote host and I would like to test it locally behind corporate proxy.
I use "Spring Boot" gradle plugin and the question is how can I specify proxy settings for JVM?
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CSS opacity only to background color, not the text on it? [duplicate]
Can I assign the opacity property to the background property of a div only and not to the text on it?
11 Answers
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How to get URL parameter using jQuery or plain JavaScript?
I have seen lots of jQuery examples where parameter size and name are unknown.
33 Answers
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Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Postfix发信的频率控制几个参数postfix邮件服务器搭建完成后，若向外网发送一封地址错误或不可到达的邮件，则默认情况下它会无限次数的重试，结果就导致磁盘被重试邮件日志占满，网络流量也会被浪费，更严重这会被认为是...