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How do you check “if not null” with Eloquent?
...edited Feb 27 '15 at 9:56
Rizier123
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answered Feb 27 '15 at 9:36
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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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Button background as transparent
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123
Try new way to set background transparent
android:background="?android:attr/selectableI...
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...
JavaScript file upload size validation
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123
Using jquery:
<form action="upload" enctype="multipart/form-data" method="post">
U...
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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How to automatically add user account AND password with a Bash script?
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123
You can run the passwd command and send it piped input. So, do something like:
echo thePassw...
How to change or add theme to Android Studio?
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123
//you need to go to the File-> settings
in that choose IDE settings-> Appearance in tha...
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 ...
Statistics: combinations in Python
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123
See scipy.special.comb (scipy.misc.comb in older versions of scipy). When exact is False, it u...