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How can I make a div stick to the top of the screen once it's been scrolled to?
... for. I'd like the element to start at 200px below the top of the page (to allow room for other content) and then once the user has scrolled down become fixed at the top.
– evanr
Aug 1 '09 at 8:10
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Filter dict to contain only certain keys?
...I'm only interested in a select few of them. Is there an easy way to prune all the other ones out?
15 Answers
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What is the “-->” operator in C++?
...old value and 0 ..." to make it clearer. But this is nitpicking anyway. We all know what is meant.
– Johannes Schaub - litb
Jan 30 '10 at 17:42
38
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remove all variables except functions
I have loaded in a R console different type of objects.
I can remove them all using
5 Answers
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How to get all files under a specific directory in MATLAB?
I need to get all those files under D:\dic and loop over them to further process individually.
8 Answers
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Is there a way for multiple processes to share a listening socket?
...POSIX type OS), using fork() will cause the forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apac...
Regular Expression to reformat a US phone number in Javascript
... ' + match[2] + '-' + match[3]
}
return null
}
Here's a version that allows the optional +1 international code:
function formatPhoneNumber(phoneNumberString) {
var cleaned = ('' + phoneNumberString).replace(/\D/g, '')
var match = cleaned.match(/^(1|)?(\d{3})(\d{3})(\d{4})$/)
if (match) ...
Is there an equivalent of 'which' on the Windows command line?
...he where.exe program which does some of what which does, though it matches all types of files, not just executable commands. (It does not match built-in shell commands like cd.) It will even accept wildcards, so where nt* finds all files in your %PATH% and current directory whose names start with ...
Proper MIME type for OTF fonts
... one can set MIME types for, on both Apache and IIS servers. I've traditionally had luck with the following:
svg as "image/svg+xml" (W3C: August 2011)
ttf as "application/x-font-ttf" (IANA: March 2013)
or "application/x-font-truetype"
otf as "application/x-font-...
How do you read a file into a list in Python? [duplicate]
...each line might have. When the with ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it.
2. use of list comprehension
This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue wh...