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In C#, What is a monad?
... static Nullable<int> h(){ return 9; }
static void Main(string[] args)
{
Nullable<int> z =
f().Bind( fval =>
g().Bind( gval =>
h().Bind( hval =>
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Add new field to every document in a MongoDB collection
...le, I would like to have new_field to be an int equal to the length of the string in test field.
– qed
Jan 17 '18 at 9:42
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How to find if directory exists in Python
...[3]: p.exists()
Out[3]: True
In [4]: p.is_dir()
Out[4]: True
Paths (and strings) can be joined together with the / operator:
In [5]: q = p / 'bin' / 'vim'
In [6]: q
Out[6]: PosixPath('/usr/bin/vim')
In [7]: q.exists()
Out[7]: True
In [8]: q.is_dir()
Out[8]: False
Pathlib is also available ...
How to post data in PHP using file_get_contents?
...hing like that ; but content must not be a PHP array : it has to be a querystring (i.e. it must has this format : param1=value1&param2=value2&param3=value3 ) ;; which means you'll probably have to use http_build_query($_POST)
– Pascal MARTIN
Mar 15 '10 ...
Get current URL of UIWebView
...recommend everyone to use that one instead of this
You could try this:
NSString *currentURL = [webView stringByEvaluatingJavaScriptFromString:@"window.location"];
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Open URL in same window and in same tab
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That isn’t the same page. It will remove any query string from the existing URL.
– Quentin
Apr 29 '19 at 6:57
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Mongoose.js: Find user by username LIKE value
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$ = Match the end of the string
– PeterBechP
Apr 29 '14 at 8:46
1
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...mutable.BitSet = BitSet(2, 3, 4)
scala> val displayed = bits map { _.toString + "!" }
displayed: scala.collection.immutable.Set[java.lang.String] = Set(1!, 2!, 3!)
See how you always get the best possible type? If you map Ints to Ints you get again a BitSet, but if you map Ints to Strings, you...
Adding one day to a date
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You should not use a variable in a string. You should use:date('Y-m-d H:i:s', strtotime($stop_date . ' + 1 day')); as in the answer that @w35l3y gave you.
– Cas Bloem
Feb 12 '14 at 9:52
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Is there an opposite of include? for Ruby Arrays?
...)
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end
ActiveSupport adds the exclude? method to Array, Hash, and String. This is not pure Ruby, but is used by a LOT of rubyists.
Source: Active Support Core Extensions (Rails Guides)
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