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Is it true that one should not use NSLog() on production code?
... to define your own logging function with better functionality. Here's the one I use, it includes the file name and line number to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stri...
Safest way to convert float to integer in python?
...e more, the number is padded with zeroes on the right.
It follows that 53 ones is the largest number that can be stored without padding. Naturally, all (integer) numbers requiring less digits can be stored accurately.
Adding one to 111(omitted)111 (53 ones) yields 100...000, (53 zeroes). As we kno...
Pass all variables from one shell script to another?
...environment after the utility completes, with the exception that preceding one of the special built-in utilities causes the export attribute to persist after the built-in has completed. If the assignment does not precede a utility name in the command, or if the assignment is a result of the operatio...
What does the 'static' keyword do in a class?
...rs belong to the class instead of a specific instance.
It means that only one instance of a static field exists[1] even if you create a million instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specific instance, they c...
Using PassportJS, how does one pass additional form fields to the local authentication strategy?
...ield: 'email', passReqToCallback: true},
function(req, email, password, done) {
// now you can check req.body.foo
}
));
When, set req becomes the first argument to the verify callback, and you can inspect it as you wish.
...
What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
8 Answers
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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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REST API Best practice: How to accept list of parameter values as input [closed]
..."restful" than others. This argument is as ludicrous as saying naming someone "Bob" is better than naming him "Joe" – both names get the job of "identifying a person" done. A URI is nothing more than a universally unique name.
So in REST's eyes arguing about whether ?id=["101404","7267261"] i...
Does SQLAlchemy have an equivalent of Django's get_or_create?
...could generalize it ofcourse:
def get_or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).first()
if instance:
return instance, False
else:
params = dict((k, v) for k, v in kwargs.iteritems() if not isinstance(v, Clause...
Tools for Generating Mock Data? [closed]
...
anyone had success with it's usage? I tried the it, but benerator-wizard generates invalid pom.xml file (for "Populate database" option). Moreover going for one of the demos (hsqldb) with maven results in errors as well. To me i...