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Do I cast the result of malloc?
... pay attention that in the general case, it should be better to write the expression as:
int *sieve = malloc(sizeof *sieve * length);
Since keeping the sizeof first, in this case, ensures multiplication is done with at least size_t math.
Compare: malloc(sizeof *sieve * length * width) vs. malloc...
Small Haskell program compiled with GHC into huge binary
Even trivially small Haskell programs turn into gigantic executables.
2 Answers
2
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git-diff to ignore ^M
... works …
And then convert your files:
# Remove everything from the index
$ git rm --cached -r .
# Re-add all the deleted files to the index
# You should get lots of messages like: "warning: CRLF will be replaced by LF in <file>."
$ git diff --cached --name-only -z | xargs -0 git add
# Co...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...
Let's improve stacker's example and use Scala's case classes:
case class Person(firstName: String, lastName: String)
The above Scala class contains all features of the below Java class, and some more - for example it supports pattern matching (whi...
What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
Can anyone give a definitive explanation on the relationship between UIView's setNeedsLayout , layoutIfNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks.
...
Git branching strategy integated with testing/QA process
...per had previously merged the develop branch on feature we normally don't expect too many conflicts. However, if that's the case the developer can help. This is a tricky step, I think the best way to avoid it is to keep features as small/specific as possible. Different features have to be eventually...
Selecting data frame rows based on partial string match in a column
... a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
...
How do you do a ‘Pause’ with PowerShell 2.0?
...ystem.Console]::ReadKey($true)
Advantage: Accepts any key but properly excludes Shift, Alt, Ctrl modifier keys.
Disadvantage: Does not work in PS-ISE.
<2> ReadKey (RawUI)
Write-Host "Press any key to continue ..."
$x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
Disadvantage: Does...
How to merge a specific commit in Git
...y-pick' should be your answer here.
Apply the change introduced by an existing commit.
Do not forget to read bdonlan's answer about the consequence of cherry-picking in this post:
"Pull all commits from a branch, push specified commits to another", where:
A-----B------C
\
\
D
becomes...
REST API Best practices: Where to put parameters? [closed]
... to return a 404 error when the parameter value does not correspond to an existing resource then I would tend towards a path segment parameter. e.g. /customer/232 where 232 is not a valid customer id.
If however you want to return an empty list then when the parameter is not found then I suggest us...