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Server is already running in Rails
...ally track the process id (pid) in a file like server.pid. I think this is doing the same thing here. That file was probably left over from a crash.
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Read binary file as string in Ruby
... tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
8 Ans...
How do you change a repository description on GitHub?
...licking on a cog icon in the right-hand side menu's "About" section:
Upon doing so, a popup will appear where the description, website, topics, and homepage settings can be configured:
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What's the best manner of implementing a social activity stream? [closed]
...u can put in whatever you want
This limits the searches/lookups, you can do in the feeds, to users, time and activity types, but in a facebook-type activity feed, this isn't really limiting. And with correct indices on the table the lookups are fast.
With this design you would have to decide what...
Speed up the loop operation in R
...e vector res which gather results. At the end I add it to data.frame and I don't need to mess with names.
So how better is it?
I run each function for data.frame with nrow from 1,000 to 10,000 by 1,000 and measure time with system.time
X <- as.data.frame(matrix(sample(1:10, n*9, TRUE), n, 9))
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Deleting Row in SQLite in Android
... Vijay's answer is the correct because this solution allows to do an SQL injection which is a security leak. For instance: use the value of the name argument: name = "TRUE; <any SQL command>;" => 'any SQL command' will be executed. Of course it is not a problem if there is no GU...
How do I resolve a HTTP 414 “Request URI too long” error?
... I am giving an option to the user to update multiple issues on one go. In doing so, sometimes the user is encountering this error. Is there any way to increase the lenght of URL in apache?
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How do I get the Git commit count?
...ouped by committer, not so good. Can count lines in git shortlog, but this doesn't work over ssh without a terminal for some reason (pager?). The asker's original solution is the best! git log --pretty=format:'' | wc -l
– Sam Watkins
Feb 4 '12 at 7:15
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How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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Iterating C++ vector from the end to the beginning
...one beyond the last element, so you'd have to decrement first, and you are done when you reach begin() — but you still have to do your processing.
vector<my_class>::iterator i = my_vector.end();
while (i != my_vector.begin())
{
--i;
/*do stuff */
}
UPDATE: I was apparently too ...