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What is the best way to unit test Objective-C code?
...s is an old question, but if you prefer BDD-style testing (rspec, Jasmine, etc.) over xUnit-style testing (Test::Unit, JSUnit, JUnit, etc.), then you may consider checking out Cedar. Cedar brings BDD-style testing to Objective-C, now that the language supports closures.
We're happily using Cedar fo...
Are delphi variables initialized with a value by default?
...lse, nil or whatever applies.
Global variables are always initialized to 0 etc as well;
Local reference-counted* variables are always initialized to nil or '';
Local non reference-counted* variables are uninitialized so you have to assign a value before you can use them.
I remember that Barry Kel...
What is the (best) way to manage permissions for Docker shared volumes?
...permissions, think about how to do whatever you need -- backups, browsing, etc. -- via another container. The containers themselves need to use consistent uid/gids, but they don't need to map to anything on the host, thereby remaining portable.
This is relatively new for me as well but if you have ...
Converting pixels to dp
...screen (can not use dimension units, does not change based on orientation, etc)."
– Vicky Chijwani
Aug 17 '15 at 20:39
2
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Setting CSS pseudo-class rules from JavaScript
...to change the CSS rules for pseudo-class selectors (such as :link, :hover, etc.) from JavaScript.
12 Answers
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How to check if a file exists in Go?
... sometimes it return ENOTDIR instead of NOTEXIST, for example, if /etc/bashrc exist, the /etc/bashrc/foobar will return ENOTDIR
– lidaobing
Nov 23 '13 at 15:23
43
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How do I see what character set a MySQL database / table / column is?
...probably also need to check connection character_set, client_character_set etc... : SHOW VARIABLES LIKE 'character_set%'; SHOW VARIABLES LIKE 'collation%';
– BenL
Feb 6 '15 at 9:54
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...server
If you login as the root user, find this file and edit it:
$ vi /etc/profile
Go to the bottom of the file using Shift+G (capital "G") in vi.
Write your environment variable with the GENERATED_CODE, pressing i to insert in vi. Be sure to be in a new line at the end of the file:
$ export...
PostgreSQL database default location on Linux
...ostgresql/9.4/bin/postgres -D /var/lib/postgresql/9.4/main -c config_file=/etc/postgresql/9.4/main/postgresql.conf
so apparently /var/lib/postgresql/9.4/main.
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REST APIs: custom HTTP headers vs URL parameters
... a REST API?
Authentication: GUIDs, basic authentication, custom tokens, etc. e.g.,
Basic Authentication with a Guid token for REST api instead of username/password
If you get involved in passing tokens or other authentication-like information between domains covered by PCI-DSS or other securi...