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How to get item's position in a list?
...[i for i,x in enumerate(testlist) if x == 1]:
... print i
...
0
5
7
Now we'll construct a generator...
>>> (i for i,x in enumerate(testlist) if x == 1)
<generator object at 0x6b508>
>>> for i in (i for i,x in enumerate(testlist) if x == 1):
... print i
...
0
5
7
...
JavaScript hashmap equivalent
...regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = o...
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...ed out that line, saved the file, and then ran service mysql restart. And now it works!
– Ryan
Jan 20 '14 at 17:59
In...
Using Predicate in Swift
...ould become NSArray(object: …). This is a regular pattern in Swift.)
So now we just need to pass the arguments to the constructor. In Objective-C, NSString literals look like @"", but in Swift we just use quotation marks for strings. So that gives us:
let resultPredicate = NSPredicate(format: "n...
How would you make a comma-separated string from a list of strings?
...
Note if you are using python 2.7 (which you shouldn't by now) then using str will raise an exception if any item in the list has unicode.
– kroiz
May 26 at 13:54
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How do I use vimdiff to resolve a git merge conflict?
... I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conflict?
...
Fastest way to determine if an integer's square root is an integer
...ming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also an...
Supervisor socket error issue [closed]
...c/supervisord.conf /etc/supervisor/supervisord.conf
if you want to keep it
Now you can run sudo supervisorctl
Why?
when you run supervisorctl it first searches for the config file located at /etc/supervisord.conf, if it's not present, it will search for the package's default file /etc/supervisor/su...
Where is the Java SDK folder in my computer? Ubuntu 12.04
I know it's installed because when I type:
11 Answers
11
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Return JSON response from Flask view
...
As of Flask 1.1.0, you can now directly return a python dict, and it will be automatically jsonify'd by Flask.
– Adrien Ball
Apr 14 at 14:48
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