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Use of def, val, and var in scala
These lines of code outputs 12 , even though person.age=20 was successfully executed. I found that this happens because I used def in def person = new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This:
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How to convert .pfx file to keystore with private key?
I need to sign Android application ( .apk ).
I have .pfx file. I converted it to .cer file via Internet Explorer and then converted .cer to .keystore using keytool. Then I've tried to sign .apk with jarsigner but it says that .keystore doesn't content a private key.
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Can you split a stream into two streams?
I have a data set represented by a Java 8 stream:
10 Answers
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How to create a hex dump of file containing only the hex characters without spaces in bash?
How do I create an unmodified hex dump of a binary file in Linux using bash? The od and hexdump commands both insert spaces in the dump and this is not ideal.
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...参数
4. 成员函数作为回调函数
5. 多线程回调同步
6. TCP客户端:对准时间
7. TCP同步时间服务器
1. 同步Timer
本章介绍asio如何在定时器上进行阻塞等待(blocking wait).
实现,我们包含必要的头文件.
所有的asio类可以简单的通过i...
What's the difference between compiled and interpreted language?
...terial on this subject I'm still not sure what the difference between a compiled language and an interpreted language is. I was told this is one of the differences between Java and JavaScript. Would someone please help me in understanding it?
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When should you use 'friend' in C++?
...ng through the C++ FAQ and was curious about the friend declaration. I personally have never used it, however I am interested in exploring the language.
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How to use cURL to get jSON data and decode the data?
... have a link that returns a jSON object, and I need to have it decoded and put into variables in PHP.
6 Answers
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How to get a complete list of ticker symbols from Yahoo Finance? [closed]
I've googled endlessly for a method of getting a complete (and daily updated) list of all Yahoo ticker symbols available through http://finance.yahoo.com
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How do you run a command for each line of a file?
For example, right now I'm using the following to change a couple of files whose Unix paths I wrote to a file:
9 Answers
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