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How to install Android SDK Build Tools on the command line?
I want to setup the Android dev environment from command line, and encounter the following issue:
19 Answers
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Select N random elements from a List in C#
I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> .
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How can I rename a database column in a Ruby on Rails migration?
I wrongly named a column hased_password instead of hashed_password .
26 Answers
26
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Entity Framework Join 3 Tables
I'm trying to join three tables but I can't understand the method...
2 Answers
2
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Vim: Creating parent directories on save
If I invoke vim foo/bar/somefile but foo/bar don't already exist, Vim refuses to save.
6 Answers
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How to replace text between quotes in vi
Say I have this line of code:
6 Answers
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Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
Do querystring parameters get encrypted in HTTPS when sent with a request?
4 Answers
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
I have this JSON:
5 Answers
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@property retain, assign, copy, nonatomic in Objective-C
As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another?
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