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Ruby max integer
I need to be able to determine a systems maximum integer in Ruby. Anybody know how, or if it's possible?
6 Answers
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How can I determine what font a browser is actually using to render some text?
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Per Wilfred Hughes' answer, Firefox now supports this natively. This article has more details.
This answer original referenced the "Font Finder" plugin, but only because it was from 4 years ago. The fact that old answers linger like this and the community can...
Open multiple Eclipse workspaces on the Mac
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But now I can't close the terminal window until I close eclipse
– Blundell
Jul 5 '12 at 7:37
1
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How to Get the Title of a HTML Page Displayed in UIWebView?
...ion!) {
title = wv.title
}
I don't think UIWebView is suitable right now.
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Difference between await and ContinueWith
...ere. If you don't specify where you want the continuation to run, I don't know what the default is but it could easily end up running on a thread pool thread... at which point you can't access the UI, etc.
– Jon Skeet
Sep 23 '13 at 19:59
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How can I merge properties of two JavaScript objects dynamically?
...You would use object spread:
let merged = {...obj1, ...obj2};
merged is now the union of obj1 and obj2. Properties in obj2 will overwrite those in obj1.
/** There's no limit to the number of objects you can merge.
* Later properties overwrite earlier properties with the same name. */
const all...
How do I define global variables in CoffeeScript?
...#L321 ), so in Node.js what you would need to do is exports.foo = 'baz';.
Now let us take a look at what it states in your quote from the docs:
...targeting both CommonJS and the browser: root = exports ? this
This is obviously coffee-script, so let's take a look into what this actually com...
Example for boost shared_mutex (multiple reads/one write)?
... has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updating thread could wait for the o...
Convert timedelta to total seconds
...= time.time(); print tt
1301736663.88
>>> print datetime.datetime.now()
2011-04-02 20:31:03.882000 ### UTC+11, my local time
>>> print datetime.datetime(1970,1,1) + datetime.timedelta(seconds=tt)
2011-04-02 09:31:03.880000 ### UTC
>>> print time.localtime()
time.struct_tim...
Test if remote TCP port is open from a shell script
... > /dev/tcp/sfsfdfdff.com/80'
bash: sfsfdfdff.com: Name or service not known
bash: /dev/tcp/sfsfdfdff.com/80: Invalid argument
$ echo $?
1
# Connection not established by the timeout
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/google.com/81'
$ echo $?
124
What's happening here is tha...