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What is a tracking branch?
...anch sf will automatically push to and pull from origin/serverfix.
BONUS: extra git status info
With a tracking branch, git status will tell you whether how far behind your tracking branch you are - useful to remind you that you haven't pushed your changes yet! It looks like this:
$ git status
O...
Finding a branch point with Git?
... B. Here are three ways that I found, after a bit of tinkering:
1. visually, with gitk:
You should visually see a tree like this (as viewed from master):
or here (as viewed from topic):
in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is p...
Detecting a redirect in ajax request?
...t compares it to the url that it originally requested via $.ajax(). If the strings differ, I know there was a redirect, and additionally, what url we actually arrived at.
This does have the drawback of requiring some server-side help, and also may break down if the url gets munged (due to quoting/e...
Passing a 2D array to a C++ function
...
@Zack: You're right, there're only really two cases; one is a pointer-to-pointer and other being a single pointer to an integer array of size n i.e. int (*a) [10].
– legends2k
Jul 10 '13 at 10:44
...
Django Rest Framework: Dynamically return subset of fields
...verride the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer.
Here is a copy&paste from Django Rest Framework documentation example on the matter:
from rest_framew...
How can you program if you're blind?
...er the years (shame on them) and a team environment basically allows me an extra layer of defense against these over and above my screen readers and custom scripts.
share
answ...
How can I rename a field for all documents in MongoDB?
...above are: { upsert:false, multi:true }. You need the multi:true to update all your records.
Or you can use the former way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach...
capturing self strongly in this block is likely to lead to a retain cycle
...
Good answer, but I take small issue with you saying: “you can't refer to self or properties on self from within a block that will be strongly retained by self.” This is not strictly true. Please see my answer below. Better to say, “you must take...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...ow.
Example
Consider the following code sample:
public static void main(String[] args) {
int a = 1024;
int b = a * a * a * a;
}
Would you expect this to generate a compile error? It becomes a little more slippery now.
What if we put a loop with 3 iterations and multiplied in the loop?
...
“Large data” work flows using pandas
... one contains different fields, or do they have some records per file with all of the fields in each file?
Do you ever select subsets of rows (records) based on criteria (e.g. select the rows with field A > 5)? and then do something, or do you just select fields A, B, C with all of the records (a...