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How to set default values in Rails?
...g .allocate was about model objects loaded with existing data from the database. (And it's a terrible idea for ActiveRecord to work that way, IMO. But that's beside the point.)
– SFEley
Mar 10 '11 at 7:55
...
Check if a key exists inside a json object
...object sent is contain undefined or null
var objarray={
"passenger_id":"59b64a2ad328b62e41f9050d",
"started_ride":"1",
"bus_id":"59b8f920e6f7b87b855393ca",
"route_id":"59b1333c36a6c342e132f5d5",
"start_location":"",
"stop_location":""
}
elementCheck(objarray,function(list){
console.log("list");
)
...
See changes to a specific file using git
...command to check the changes, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory.
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Extract file name from path, no matter what the os/path format
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Using os.path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path sep...
How do I use grep to search the current directory for all files having the a string “hello” yet disp
...
Noufal IbrahimNoufal Ibrahim
64.7k1111 gold badges115115 silver badges158158 bronze badges
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Why does C# forbid generic attribute types?
... attribute. The part of the C# 3 spec that bans it - section 10.1.4 "Class base specification" doesn't give any justification.
The annotated ECMA C# 2 spec doesn't give any helpful information either, although it does provide an example of what's not allowed.
My copy of the annotated C# 3 spec sho...
Django MEDIA_URL and MEDIA_ROOT
...et First MEDIA_ROOT an MEDIA_URL in setting.py
MEDIA_ROOT = os.path.join(BASE_DIR, 'data/') # 'data' is my media folder
MEDIA_URL = '/media/'
Then Enable the media context_processors in TEMPLATE_CONTEXT_PROCESSORS by adding
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.Djang...
Principles for Modeling CouchDB Documents
...ey/value pairs into the results of a map/reduce query, the keys are sorted based on UTF-8 collation ("a" comes before "b"). You can also output complex keys from your map/reduce as JSON arrays: ["a", "b", "c"]. Doing that would allow you to include a "tree" of sorts built out of array keys. Using yo...
Using pickle.dump - TypeError: must be str, not bytes
...as in Python 2x, they are not needed. When you follow tutorials that are based on Python 2x, that's why you are here.
import pickle
class MyUser(object):
def __init__(self,name):
self.name = name
user = MyUser('Peter')
print("Before serialization: ")
print(user.name)
print("-----...
How can I visualize per-character differences in a unified diff file?
... original use case assumes you only have a patch file, no git repo or even base/modified versions. That's why I accepted @legoscia's answer... it describes exactly what was requested.
– Adam Monsen
Oct 23 '14 at 5:21
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