大约有 40,100 项符合查询结果（耗时：0.0182秒） [XML]
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...出View嵌套的冗余层级，左下角可以输入View的id直接自动跳转到中间显示；Save as PNG用来把左侧树保存为一张图片；Capture Layers用来保存psd的PhotoShop分层素材；右侧剧中显示选中View的当前属性状态；右下角显示当前View在Activity中的...
Regular expression that matches valid IPv6 addresses
...
254
I was unable to get @Factor Mystic's answer to work with POSIX regular expressions, so I wrote o...
How do I make a matrix from a list of vectors in R?
...
124
One option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
[...
How to get row from R data.frame
...for example:
#Add your data
x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ),
B = c(4.25, 4, 4, 4.5, 4.5 ),
C = c(4.5, 2.5, 4, 2.25, 3 )
),
.Names = c("A", "B", "C"),
class = "data.f...
Concatenating two one-dimensional NumPy arrays
... explicit sequences).
– Jim K.
Aug 24 '16 at 20:43
@JimK. What would happen to the axis parameter?
...
What is the best regular expression to check if a string is a valid URL?
...
415
I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.f...
Filter rows which contain a certain string
...
4 Answers
4
Active
...
Is there an easy way to check the .NET Framework version?
... like this should do it. Just grab the value from the registry
For .NET 1-4:
Framework is the highest installed version, SP is the service pack for that version.
RegistryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_name...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
14 Answers
14
Active
...