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How can I put strings in an array, split by new line?
I have a string with line breaks in my database. I want to convert that string into an array, and for every new line, jump one index place in the array.
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Loading and parsing a JSON file with multiple JSON objects
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You have a JSON Lines format text file. You need to parse your file line by line:
import json
data = []
with open('file') as f:
for line in f:
data.append(json.loads(line))
Each line contains valid JSON, but as a whole, it is not a valid JSON value as there is no top-level list or ...
Drop unused factor levels in a subsetted data frame
...ata frame to a list, so the mydf <- droplevels(mydf) solution suggested by Roman Luštrik and Tommy O'Dell below is preferable.
– Johan
May 9 '14 at 10:41
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What is the purpose of “&&” in a shell command?
...to understand what the program considers a "failure" and how it handles it by reading the documentation and, if necessary, the source code.
Your shell considers a return value of 0 for true, other positive numbers for false
Programs return a signal on exiting. They should return 0 if they exit suc...
std::next_permutation Implementation Explanation
...ers in "ascending" order.
When we order numbers we want to "increase them by the smallest amount". For example when counting we don't count 1, 2, 3, 10, ... because there are still 4, 5, ... in between and although 10 is larger than 3, there are missing numbers which can be gotten by increasing 3 b...
How can you debug a CORS request with cURL?
...on't be 200.
You can also specify additional headers, such as User-Agent, by using the -H flag.
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C++ catching all exceptions
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It is a good practice to catch exceptions by const reference. As in: catch(std::exception const & ex) { /* ... */ }
– coryan
Nov 25 '08 at 1:18
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...he same as the shell’s PATH: one or more directory
pathnames separated by os.pathsep (e.g. colons on Unix or semicolons
on Windows). Non-existent directories are silently ignored.
In addition to normal directories, individual PYTHONPATH entries may
refer to zipfiles containing pure Pyth...
Get real path from URI, Android KitKat new storage access framework [duplicate]
... "Each storage backend surfaces individual files and directories by referencing them with a unique COLUMN_DOCUMENT_ID. Document IDs must be unique and not change once issued, since they are used for persistent URI grants across device reboots." taken from Storage access framework that's th...
Choosing Mobile Web HTML5 Framework [closed]
...ut the merits, but jQuery mobile (though it is in alpha as well) is backed by a strong team and a community of supporters by extension of the core jQuery library. Probably the best choice for anything except the most enterprise centric applications.
Titanium:
Titanium is not an HTML5 mobile framewo...