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iPhone: How to get current milliseconds?
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struct timeval time;
gettimeofday(&time, NULL);
long millis = (time.tv_sec * 1000) + (time.tv_usec / 1000);
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Remote connect to clearDB heroku database
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You run heroku config to get the CLEARDB_DATABASE_URL and it should be something of this format:
CLEARDB_DATABASE_URL => mysql://[username]:[password]@[host]/[database name]?reconnect=true
So basically you just look at your own url and get all you want from t...
Installing PG gem on OS X - failure to build native extension
... postgresql 3. gem install pg 4. bundle install
– kai_onthereal
Jun 25 '19 at 5:42
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How to host a Node.Js application in shared hosting [closed]
... Run the node app from PHP:
<?php
//Choose JS file to run
$file = 'node_modules/jt-js-sample/index.js';
//Spawn node server in the background and return its pid
$pid = exec('PORT=49999 node/bin/node ' . $file . ' >/dev/null 2>&1 & echo $!');
//Wait for node to start up
usleep(50000...
Storing integer values as constants in Enum manner in java [duplicate]
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Well, you can't quite do it that way. PAGE.SIGN_CREATE will never return 1; it will return PAGE.SIGN_CREATE. That's the point of enumerated types.
However, if you're willing to add a few keystrokes, you can add fields to your enums, like this:
public enum PAGE{
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Why not inherit from List?
...football to fill in the blank:
A football team is a particular kind of _____
Did anyone say "list of football players with a few bells and whistles", or did they all say "sports team" or "club" or "organization"? Your notion that a football team is a particular kind of list of players is in y...
Creating a new dictionary in Python
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Call dict with no parameters
new_dict = dict()
or simply write
new_dict = {}
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How can I get rid of an “unused variable” warning in Xcode?
...as an "unused" attribute you can use to suppress that warning:
BOOL saved __attribute__((unused)) = [moc save:&error];
Alternatively (in case LLVM doesn't support the above), you could split the variable declaration into a separate line, guaranteeing that the variable would be "used" whether ...
Profiling Vim startup time
....g.:
vim -V 2>&1 | perl -MTime::HiRes=time -ne 'print time, ": ", $_' | tee vilog
You might have to blindly type :q to get back to your prompt. Afterwards, you should find the file vilog in your current directory with hires timestamps at the beginning of each line.
If you can do with a gr...
Modifying location.hash without page scrolling
...i a").removeClass('selected');
s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:","");
eval(s);
}
//Click a button to change the hash
$("#buttons li a").click(function(){
$("#buttons li a").removeClass('selected')...