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Replace words in a string - Ruby
...eems to replace only the first instance, which is of course sometimes fine and sometimes not.
– Jason Swett
Sep 18 '13 at 19:57
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MySQL SELECT WHERE datetime matches day (and not necessarily time)
...rds, if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
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find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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javascript node.js next()
...samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/
Let's look at the example you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;...
Animate scroll to ID on page load
...e the scroll to a particular ID on page load. I have done lots of research and came across this:
6 Answers
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How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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Large Numbers in Java
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You can use the BigInteger class for integers and BigDecimal for numbers with decimal digits. Both classes are defined in java.math package.
Example:
BigInteger reallyBig = new BigInteger("1234567890123456890");
BigInteger notSoBig = new BigInteger("2743561234");
reall...
Formatting “yesterday's” date in python
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If you happen to be working with pandas, you can as well use: print((pd.to_datetime('Today') - pd.Timedelta('1 days')).strftime('%m%d%y'))
– etna
Oct 2 '17 at 7:39
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git push fails: RPC failed; result=22, HTTP code = 411
...llowing error git: RPC failed; result=22, HTTP code = 504 in bitbucket on android studio
– DJtiwari
Nov 3 '15 at 9:53
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how can I see what ports mongo is listening on from mongo shell?
...your question title implies), then you can run the serverCmdLineOpts() command. That output will give you all the arguments passed on the command line (argv) and the ones from the config file (parsed) and you can infer the ports mongod is listening based on that information. Here's an example:
db...