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2016年最适合小投资的10个创业项目 - 资讯 - 清泛网 - 专注C/C++及内核技术
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Do you need break in switch when return is used?
...break, the return stops execution of the function.
(for reference: http://php.net/manual/en/function.return.php says:
If called from within a function, the return() statement immediately ends execution of the current function
)
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Get Insert Statement for existing row in MySQL
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I wrote a php function that will do this. I needed to make an insert statement in case a record needs to be replaced after deletion for a history table:
function makeRecoverySQL($table, $id)
{
// get the record
$sel...
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 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...
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...
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 ...
Using javadoc for Python documentation [closed]
I am currently beginning with Python and I have a strong PHP background and in PHP I have took the habit of using javadoc as a documentation template.
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Rank function in MySQL
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Can you also let us know how is .php code exactly should be? I tried to follow, but above code does not work. How to input to .php format?
– creator
Apr 27 '15 at 12:00
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Convert javascript array to string
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123
Converting From Array to String is So Easy !
var A = ['Sunday','Monday','Tuesday','Wednesday'...