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Get battery level and state in Android
How can I get battery level and state (plugged in, discharging, charging, etc)? I researched the developer docs and I found a BatteryManager class. But it doesn't contain any methods, just constants. How do I even use it?
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Is there more to an interface than having the correct methods
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Interfaces are a way to make your code more flexible. What you do is this:
Ibox myBox=new Rectangle();
Then, later, if you decide you want to use a different kind of box (maybe there's another library, with a better kind of box), you switch your code to:
Ibox myBox=new ...
Code Golf - π day
...88 and 93 93 94 96 102 105 129 138 141 chars
Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point.
93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases). Calculates X^2=R^2-Y^2 for every Y
[rdPr1-d0<p]sp1?...
Change Oracle port from port 8080
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From Start | Run open a command window.
Assuming your environmental variables are set correctly start with the following:
C:\>sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Tue Aug 26 10:40:44 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> connect
Enter user...
How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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What is the iPad user agent?
From what I gather, the iPad is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad.
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How can I check whether Google Maps is fully loaded?
I’m embedding Google Maps into my web site. Once Google Maps is loaded, I need to kick off a few JavaScript processes.
9 ...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...华为云软件SSL VPN解决方案1、yum install ant2.下载adito-0.9.1-bin并拷贝到 mnt目录下3....免费的SSL VPN adito-gateway ssl vpn之华为云软件SSL VPN解决方案
1、 yum install ant
2. 下载adito-0.9.1-bin 并拷贝到 /mnt目录下
3. 解压并移动到 /usr/
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Java null check why use == instead of .equals()
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They're two completely different things. == compares the object reference, if any, contained by a variable. .equals() checks to see if two objects are equal according to their contract for what equality means. It's entirely possible for two distinct object instances to be "equal" ac...