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Why doesn't “System.out.println” work in Android?
I want to print something in console, so that I can debug it. But for some reason, nothing prints in my Android application.
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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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Really Cheap Command-Line Option Parsing in Ruby
EDIT: Please, please , please read the two requirements listed at the bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements.
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Tomcat: How to find out running tomcat version
I'm trying to get Appfuse + tomcat + jRebel working.
27 Answers
27
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的进程状态显示为 D。
man ps 中描述 D 状态是 Uninterruptible Sleep。
Linux 进程有两种睡眠状态：
Interruptible Sleep，可中断睡眠，在 ps 命令中显示 S。处在这种睡眠状态的进程是可以通过给它发送信号来唤醒的。
Uninterruptible Sleep...
What purpose does a tag serve inside of a tag?
I've been on a "view source" spree lately on websites with interesting design and content. One of those websites, Squarespace , has blocks of <script> tags inside of a <noscript> tag, like so:
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What is the purpose of the word 'self'?
...pose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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sql ORDER BY multiple values in specific order?
Ok I have a table with a indexed key and a non indexed field.
I need to find all records with a certain value and return the row.
I would like to know if I can order by multiple values.
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Get all attributes of an element using jQuery
I am trying to go through an element and get all the attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of:
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Count occurrences of a char in plain text file
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How about this:
fgrep -o f <file> | wc -l
Note: Besides much easier to remember/duplicate and customize, this is about three times (sorry, edit! botched the first test) faster than Vereb's answer.
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