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How to check status of PostgreSQL server Mac OS X
...o get them to take effect, remember to source it like so:
$ . ~/.bashrc
Now, try it and you should get something like this:
$ show-pg-status
pg_ctl: server is running (PID: 11030)
/usr/local/Cellar/postgresql/9.2.4/bin/postgres
...
How can I sanitize user input with PHP?
...'s a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it).
What you should do, to avoid problems, is quite simple: whenever you ...
Determine on iPhone if user has enabled push notifications
... hear their response on this issue. How can we develop great apps without knowing such basic info??
– Oded Regev
Mar 21 '13 at 11:59
15
...
Short circuit Array.forEach like calling break
...
There is now an even better way to do this in ECMAScript2015 (aka ES6) using the new for of loop. For example, this code does not print the array elements after the number 5:
let arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
for (le...
Generic deep diff between two objects
...d to format diff object in arbitrary way based on passed primitive values (now this job is done by "compareValues" method).
var deepDiffMapper = function () {
return {
VALUE_CREATED: 'created',
VALUE_UPDATED: 'updated',
VALUE_DELETED: 'deleted',
VALUE_UNCHANGED: 'unchanged',
...
Google Maps Android API v2 Authorization failure
...e/
to enable "Google Maps Android API v2"
to register of SHA1 in project (NOW, YOU NEED WRITE SHA1;your.app.package.name) at APIs console and get API KEY
to copy directory ANDROID_SDK_DIR/extras/google/google_play_services/libproject/google-play-services_lib to root of your project
to add next line...
When is JavaScript's eval() not evil?
...-looking command". So, when is it OK to use something dangerous? When you know what the danger is, and when you're taking the appropriate precautions.
To the point, let's look at the dangers in the use of eval(). There are probably many small hidden dangers just like everything else, but the two bi...
Behaviour of final static method
...
@SeanOwen I don't think this is correct either, the compiler should say that since A#ts is being inherited and such a method already exists in B, simply having two methods with the same signature and a different modifier (final) ...
Java Programming - Where should SQL statements be stored? [closed]
...tch from DB server without the need to change your model (but ask yourself now: how often would a company switch from DB server? likely at least only once per 3 years, isn't it?).
I won't call stored procedures a "good" solution for this. They have an entirely different purpose. Even though, your c...
Time complexity of Euclid's Algorithm
...o follow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal...