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ERROR: Error installing capybara-webkit:
Any suggestions on how to fix?
7 Answers
7
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Can't access object property, even though it shows up in a console log
... the full object with the property I'm trying to access, but on the very next line of code, I can't access it with config.col_id_3 (see the "undefined" in the screenshot?). Can anyone explain this? I can get access to every other property except field_id_4 as well.
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Moment js date time comparison
...unctions, isBefore, isSame, and isAfter.
But it's a bit difficult to tell exactly what you're attempting. Perhaps you are just looking to get the difference between the input time and the current time? If so, consider the difference function, diff. For example:
moment().diff(date_time, 'minutes')...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
...r situation is not the one described in the question. This recipe is for fixing a bad merge, and replaying your good commits onto a fixed merge.
Although filter-branch will do what you want, it is quite a complex command and I would probably choose to do this with git rebase. It's probably a person...
Global variables in AngularJS
...larjs.org/guide/services
$rootScope is a parent of all scopes so values exposed there will be visible in all templates and controllers. Using the $rootScope is very easy as you can simply inject it into any controller and change values in this scope. It might be convenient but has all the problems...
Quickly create a large file on a Linux system
How can I quickly create a large file on a Linux ( Red Hat Linux ) system?
14 Answers
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How to colorize diff on the command line?
...ordiff. It's a wrapper around diff that produces the same output as diff, except that it augments the output using colored syntax highlighting to increase readability:
diff old new | colordiff
or just:
colordiff old new
Installation:
Ubuntu/Debian: sudo apt-get install colordiff
OS X: brew...
Ruby: Can I write multi-line string with no concatenation?
...r that helped me get what I needed (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "this is a multi-line string ...
Tab Vs Space preferences in Vim
...hitespace to be inserted when you press the Tab key in insert mode. If expandtab is on, the tab key inserts softtabstop number of space characters. Whereas with expandtab switched off, pressing the Tab key inserts a the smallest possible number of tab+space characters that matches softtab...
How can jQuery deferred be used?
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The best use case I can think of is in caching AJAX responses. Here's a modified example from Rebecca Murphey's intro post on the topic:
var cache = {};
function getData( val ){
// return either the cached value or jqXHR object wrapped Promise
return $.when(
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