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Ruby on Rails console is hanging when loading
...le refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
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Using pg_dump to only get insert statements from one table within database
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The -d and -D options were removed from PostgreSQL 8.4 (see 8.4.0 release notes). You must now use the "long" names: pg_dump --column-inserts --data-only --table=<table> <database>
– Matthew Wood
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what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...ly.
This is important in case you have a nested hash with a mix of string and symbol keys and you want to preserve that mix upon decode (for instance, this could happen if your hash contains your own custom objects in addition to highly complex/nested third-party objects whose keys you cannot manip...
What is a handle in C++?
I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
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What are the aspect ratios for all Android phone and tablet devices?
I'm looking for a list of all screen aspect ratios for popular Android based Phones and Tablets.
5 Answers
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Bash script - variable content as a command to run
I have a Perl script that gives me a defined list random numbers that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
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How to handle command-line arguments in PowerShell
What is the "best" way to handle command-line arguments?
1 Answer
1
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how to write setTimeout with params by Coffeescript
...ers, the performance drawback is insignificant unless you're doing it thousands of times per second. (And what are you doing setting thousands of timeouts per second, anyway?)
Of course, a more straightforward approach is to simply name your callback, which tends to produce more readable code anywa...
cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
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Should I git ignore xcodeproject/project.pbxproj file?
...file system as source of truth. You can do that by using the following command:
$ cd ~/Projects/MyProjectFolder/
$ swift package generate-xcodeproj
For non-SwiftPM answer - see below.
This file holds the list of all the files in the project, settings of targets and which files belong to which ta...