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How to list all Git tags?
...u can also search for tags that match a particular pattern.
$ git tag -l "v1.8.5*"
v1.8.5
v1.8.5-rc0
v1.8.5-rc1
v1.8.5-rc2
Getting latest tag on git repository
The command finds the most recent tag that is reachable from a commit. If the tag points to the commit, then only the tag is shown. Othe...
Parsing a JSON string in Ruby
... JSON is directly supported in Ruby, and has been since at least Ruby v1.9.3, so there is no need to install a gem unless you're using something older. Simply use require 'json' in your code.
– the Tin Man
Nov 9 '15 at 17:44
...
c++ 代码调用nsis安装包实现静默安装 - 脚本技术 - 清泛IT社区，为创新赋能！
...数创建一个进程并启动安装包静默安装，/D指定默认安装位置（没有引号，否则不生效），优先级最高。
不过当遇到需要提示权限的情况（需要以管理员身份运行），CreateProcess会执行失败，这时需提升权限，代码如下：// ------...
使用Activity启动器组件 · App Inventor 2 中文网
...索
使用预先指定的消息启动邮件程序
显示某个位置的地图
播放在线视频
选择联系人
启动其他外部应用程序
了解如何设置 ActivityStarter 属性
在应用程序之间传递值
将活动启动器与两个 App...
Add new row to dataframe, at specific row-index, not appended?
...F[r,] <- newrow
existingDF
}
> insertRow(existingDF, newrow, r)
V1 V2 V3 V4
1 1 6 11 16
2 2 7 12 17
3 1 2 3 4
4 3 8 13 18
5 4 9 14 19
6 5 10 15 20
If speed is less important than clarity, then @Simon's solution works well:
existingDF <- rbind(existingDF[1:r,],newrow,exi...
GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...
资源文件
SD卡文件
文件存储位置
透明背景设置
技术规格
注意事项
应用场景
版权信息
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目前AppInventor2用于显示图片的组件是“图像”组件，不...
How to compare versions in Ruby?
...u can use the Versionomy gem (available at github):
require 'versionomy'
v1 = Versionomy.parse('0.1')
v2 = Versionomy.parse('0.2.1')
v3 = Versionomy.parse('0.44')
v1 < v2 # => true
v2 < v3 # => true
v1 > v2 # => false
v2 > v3 # => false
...
How to resize a VirtualBox vmdk file
...'s OS (step 3,4,5)
STEPS:
1) convert to ".vdi" first - VBoxManage clonehd v1.vmdk v1.vdi --format vdi
2) expand the size using command-line (Ref: tvial's blog for step by step info)
OR
expand from the Virtual Media Manager in VirtualBox.
[ NOW - INSIDE VM ]
3) Expand the size of drive, with new all...
Floating point vs integer calculations on modern hardware
... ++i below on measurements
Type v0 = (Type)(rand() % 256)/16 + 1;
Type v1 = (Type)(rand() % 256)/16 + 1;
Type v2 = (Type)(rand() % 256)/16 + 1;
Type v3 = (Type)(rand() % 256)/16 + 1;
Type v4 = (Type)(rand() % 256)/16 + 1;
Type v5 = (Type)(rand() % 256)/16 + 1;
Type v6 = (Type)(rand() %...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
..., nil]
[array objectAtIndex:i]
[NSDictionary dictionaryWithObjectsAndKeys: v1, k1, v2, k2, nil];
[dictionary valueForKey:k]
@[a, b, c]
array[i]
@{k1:v1, k2:v2}
dictionary[k]
This part is new. Expression Literals
When you have an expression (M_PI / 16 for example) you should put it insid...