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Simulate airplane mode in iPhone Simulator
...like an iPhone. So you need a way, at the system layer, to restrict an app from talking to the network. Unix doesn't provide that; it would almost certainly need kernel support to get it. You could do it more easily for NSURLConnection and its kin, but it could be more confusing if some calls work a...
How to get the URL without any parameters in JavaScript?
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This is possible, but you'll have to build it manually from the location object:
location.protocol + '//' + location.host + location.pathname
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Why are regular expressions so controversial? [closed]
...ithin a (?(DEFINE)...) block, so that you can separate out the declaration from the execution of individual named elements of your patterns. This makes them act rather like subroutines within the pattern.
A good example of this sort of “grammatical regex” can be found in this answer and this on...
Avoid trailing zeroes in printf()
...bage. What you need to do if you don't want to surprise the users is start from say 15 digits and keep incrementing until atof gives back the same value.
– 6502
Jul 21 '15 at 16:36
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
...look for all IMG's with the class 'svg' and replace it with the inline SVG from the linked file. The massive advantage is that it allows you to use CSS to change the color of the SVG now, like so:
svg:hover path {
fill: red;
}
The jQuery code I wrote also ports across the original images ID a...
Change default global installation directory for node.js modules in Windows?
...m Files\nodejs , where executable node.exe is. I'm able to launch node from the shell, as well as npm . I'd like new executables to be installed in C:\Program Files\nodejs as well, but it seems impossible to achieve.
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...: No more authentication methods to try.
Permission denied (publickey).
From the above you could observe that ssh looks for the keys in the /c/Wrong/Directory/.ssh directory which is not where we have the public keys that we just added to heroku ( using heroku keys:add ~/.ssh/id_rsa.pub ) ( Pleas...
What does the git index contain EXACTLY?
...ster -- in commit c0e78f7, 13 Jun 2019)
read-cache: drop unused parameter from threaded load
The load_cache_entries_threaded() function takes a src_offset parameter
that it doesn't use. This has been there since its inception in 77ff112 (read-cache: load cache entries on worker threads, 2018-10-1...
How to rollback just one step using rake db:migrate
...d to answer your question about where you get a migration's version number from:
The version is the numerical prefix on the migration's filename. For
example, to migrate to version 20080906120000 run
$ rake db:migrate VERSION=20080906120000
(From Running Migrations in the Rails Guides)
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Does Swift support reflection?
...uit())[0].0 // "name"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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