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How to link to apps on the app store
...dle Display Name"? Is it case-insensitive? How are blank spaces handled, etc.?
– aroth
Sep 23 '11 at 0:51
14
...
Is mongodb running?
...| grep mongo | grep -v grep # "ps" flags may differ on your OS
or
/etc/init.d/mongodb status # for MongoDB version < 2.6
/etc/init.d/mongod status # for MongoDB version >= 2.6
or
service mongod status
to see if mongod is running (you need to be root to do this, or...
“Keep Me Logged In” - the best approach
... hash_hmac('sha256', $cookie, SECRET_KEY);
$cookie .= ':' . $mac;
setcookie('rememberme', $cookie);
}
Then, to validate:
function rememberMe() {
$cookie = isset($_COOKIE['rememberme']) ? $_COOKIE['rememberme'] : '';
if ($cookie) {
list ($user, $token, $mac) = explode(':', ...
Coding in Other (Spoken) Languages
...mbols. Later I learn that "for" meant "para" and "while" meant "mientras" etc. but in the mean time I did not need to know English, but in my case what I needed was to know "C".
Of course when I needed to learn more things, I had to learn English, for the documentation is written in that language....
Prefer composition over inheritance?
...ent as a has a relationship. A car "has an" engine, a person "has a" name, etc.
Think of inheritance as an is a relationship. A car "is a" vehicle, a person "is a" mammal, etc.
I take no credit for this approach. I took it straight from the Second Edition of Code Complete by Steve McConnell, Section...
How do you set EditText to only accept numeric values in Android?
... I needed it in order to prevent users from typing operators, parentheses, etc. on the number pad. What a life saver, man! Welcome to Costco; I love you!
– gonzobrains
Jul 23 '14 at 23:38
...
Which method performs better: .Any() vs .Count() > 0?
...th or .Count (such as ICollection<T>, IList<T>, List<T>, etc) - then this will be the fastest option, since it doesn't need to go through the GetEnumerator()/MoveNext()/Dispose() sequence required by Any() to check for a non-empty IEnumerable<T> sequence.
For just IEnumerabl...
How find all unused classes in Intellij Idea?
...question )
But I want to find all unused classes, not methods, variables etc. Only classes. (it is difficult to find only classes in 3000 result list). How I can do that?
...
What to put in a python module docstring? [closed]
...'ve also seen a few modules that list author names, copyright information, etc. Does anyone have an example of how a good python docstring should be structured?
...
Is there a performance impact when calling ToList()?
...mall the size is doubled so the backing array grows like this 4, 8, 16, 32 etc. Every time the backing array grows it has to be reallocated and all elements stored so far have to be copied. This operation is much more costly compared to the first case where an array of the correct size can be create...