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switch() statement usage
...ue again. It seems switch is generally faster than if statements.
So that, and the fact that the code is shorter/neater with a switch statement leans in favor of switch:
# Simplified to only measure the overhead of switch vs if
test1 <- function(type) {
switch(type,
mean = 1,
m...
Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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Calculate age given the birth date in the format YYYYMMDD
... answered Feb 24 '14 at 9:51
André Snede KockAndré Snede Kock
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Copying files using rsync from remote server to local machine
Once I've ssh'd into my remote server, what would the command be to copy all files from a directory to a local directory on my machine?
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VIM Disable Automatic Newline At End Of File
So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
Spring @Autowired usage
What are the pros and cons of using @Autowired in a class that will be wired up by Spring?
9 Answers
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Favicon dimensions? [duplicate]
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Short answer
The favicon is supposed to be a set of 16x16, 32x32 and 48x48 pictures in ICO format. ICO format is different than PNG. Non-square pictures are not supported.
To generate the favicon, for many reasons explained below, I advise you to use this favicon generator. Full disclosure...
How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
Is there a standardized method to swap two variables in Python?
...om left to right. Notice that while
evaluating an assignment, the right-hand side is evaluated before the
left-hand side.
http://docs.python.org/3/reference/expressions.html#evaluation-order
That means the following for the expression a,b = b,a :
the right-hand side b,a is evaluated,...
How to get UITableView from UITableViewCell?
I have a UITableViewCell which is linked to an object and I need to tell if the cell is visible. From the research I've done, this means I need to somehow access the UITableView that contains it (from there, there are several ways to check if it's visible). So I'm wondering if UITableViewCell ...