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Changing overflow icon in the action bar
...overflow icon in the action bar? I have blue icons for all ActionBar items and I also want to change the overflow icon when it appears.
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Why am I getting a NoClassDefFoundError in Java?
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This is caused when there is a class file that your code depends on and it is present at compile time but not found at runtime. Look for differences in your build time and runtime classpaths.
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How can I archive git branches?
... the tag. It will effectively restore the branch from the tag.
To archive and delete the branch:
git tag archive/<branchname> <branchname>
git branch -d <branchname>
To restore the branch some time later:
git checkout -b <branchname> archive/<branchname>
The hist...
Jump to function definition in vim
...vim? For example with Visual Assist, I can type Alt + g under a function and it opens a context menu listing the files with definitions.
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How to use the 'main' parameter in package.json?
...mary entry point to your
program. That is, if your package is named foo, and a user installs
it, and then does require("foo"), then your main module's exports
object will be returned.
This should be a module ID relative to the root of your package
folder.
For most modules, it makes...
Android emulator freezing OS X v10.9 (Mavericks) with HAXM
I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...
Cannot set property 'innerHTML' of null
... Cannot set property 'innerHTML' of null?
I thought I understood innerHTML and had it working before.
19 Answers
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Bytes of a string in Java
... turn it into bytes.
That said, you can turn the string into a byte array and then look at its size as follows:
// The input string for this test
final String string = "Hello World";
// Check length, in characters
System.out.println(string.length()); // prints "11"
// Check encoded sizes
final b...
What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility ...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...了，安装软件！
1、准备机器，IP分别设置为： 192.168.0.136、192.168.0.137、192.168.0.138。
2、分别在每台机器上建立mongodb分片对应测试文件夹。
#存放mongodb数据文件
mkdir -p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
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