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Button background as transparent
...
123
Try new way to set background transparent
android:background="?android:attr/selectableI...
How to log source file name and line number in Python
...ents. The answer is logging levels though.
– bugmenot123
Apr 28 at 18:28
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finding and replacing elements in a list
...,4,5,1,2,3,4,5,1,12]
for i in range (len(a)):
if a[i]==2:
a[i]=123
You can use a for and or while loop; however if u know the builtin Enumerate function, then it is recommended to use Enumerate.1
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将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
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How do you check “if not null” with Eloquent?
...edited Feb 27 '15 at 9:56
Rizier123
55k1616 gold badges7777 silver badges119119 bronze badges
answered Feb 27 '15 at 9:36
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Runnable with a parameter?
...
@kape123 The answer is "it depends". As long as a Runnable object returned by the method exists anywhere, the paramStr will probably not be eligible for garbage collection. It is possible that if the object exists but can never be...
Dynamically changing font size of UILabel
... This is truly a life saver!!
– bhakti123
Jul 22 '16 at 16:44
2
Super cool.. That ...
Convert javascript array to string
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123
Converting From Array to String is So Easy !
var A = ['Sunday','Monday','Tuesday','Wednesday'...
Remove duplicated rows
...for larger data sets
library(microbenchmark)
library(data.table)
set.seed(123)
DF <- as.data.frame(matrix(sample(1e8, 1e5, replace = TRUE), ncol = 10))
DT <- copy(DF)
setDT(DT)
microbenchmark(unique(DF), unique(DT))
# Unit: microseconds
# expr min lq mean median ...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...ter启动手机USB调试）》
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不错，推荐真机测试；有时候模拟器运行不一样的xiaomi 发表于 2023-03-14 12:30
不错，推荐真机测试；有时候模拟器运行不一样的
没错，有...