大约有 47,000 项符合查询结果(耗时:0.0297秒) [XML]
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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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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Dynamically changing font size of UILabel
... This is truly a life saver!!
– bhakti123
Jul 22 '16 at 16:44
2
Super cool.. That ...
Runnable with a parameter?
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@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...
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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Button background as transparent
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123
Try new way to set background transparent
android:background="?android:attr/selectableI...
Reusable library to get human readable version of file size?
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123
A library that has all the functionality that it seems you're looking for is humanize. humani...
JavaScript file upload size validation
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123
Using jquery:
<form action="upload" enctype="multipart/form-data" method="post">
U...
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 ...
How to round float numbers in javascript?
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Number((456.1235).toFixed(3)) -> 456.123, Number((1.235).toFixed(2)) -> 1.24... Stupid JavaSript...
– NoOne
Jun 21 '15 at 9:31
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