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What is the difference between parseInt() and Number()?
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475
Well, they are semantically different, the Number constructor called as a function performs type...
How do I generate a stream from a string?
...ng to. In this case that is the MemoryStream we want to return.
In .NET 4.5 there is now an overload for StreamWriter that keeps the underlying stream open after the writer is disposed of, but this code does the same thing and works with other versions of .NET too.
See Is there any way to close a ...
Remove unwanted parts from strings in a column
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eumiroeumiro
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Overcoming “Display forbidden by X-Frame-Options”
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edited Nov 25 '13 at 7:16
kevinji
9,69544 gold badges3232 silver badges5454 bronze badges
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Checking network connection
...t urllib2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be...
Delete multiple remote branches in git
I have a team member who inadvertently pushed over 150 of his local branches to our central repo. Thankfully, they all have the same prefix. Using that prefix, is there a git command or cool little shell script I can use that will delete all of those at once?
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Adding multiple columns AFTER a specific column in MySQL
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745
Try this
ALTER TABLE users
ADD COLUMN `count` SMALLINT(6) NOT NULL AFTER `lastname`,
ADD COLUMN...
Supervisor socket error issue [closed]
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kelorekkelorek
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Compiling with g++ using multiple cores
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edited Jan 5 '09 at 22:32
answered Jan 5 '09 at 22:26
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Cluster analysis in R: determine the optimal number of clusters
...<- d
wss <- (nrow(mydata)-1)*sum(apply(mydata,2,var))
for (i in 2:15) wss[i] <- sum(kmeans(mydata,
centers=i)$withinss)
plot(1:15, wss, type="b", xlab="Number of Clusters",
ylab="Within groups sum of squares")
We might conclude that 4 clusters...