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A monad is just a monoid in the category of endofunctors, what's the problem?
...;) and (>>=) both provide simultaneous access to the two m values in order to compute the the single return value. The logic used to compute the return value is exactly the same. If it were not for the different shapes of the functions they parameterize (f :: a -> b versus k :: a -> m b...
$.focus() not working
...for your other one, the one thing that has given me trouble in the past is order of events. You cannot call focus() on an element that hasn't been attached to the DOM. Has the element you are trying to focus already been attached to the DOM?
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Fatal error: Maximum execution time of 30 seconds exceeded
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php.ini can be found in /etc/php5/apache2/php.ini.... I'm using ubuntu 13.04...
– Enissay
Sep 4 '13 at 14:18
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Get loop counter/index using for…of syntax in JavaScript
...in iterates over property names, not values, and does so in an unspecified order (yes, even after ES6). You shouldn’t use it to iterate over arrays. For them, there’s ES5’s forEach method that passes both the value and the index to the function you give it:
var myArray = [123, 15, 187, 32];
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send/post xml file using curl command line
...art/form-data according to RFC2388. This enables uploading of binary files etc. To force the 'content' part to be a file, prefix the file name with an @ sign.
Example, to send your password file to the server, where 'password' is the name of the form-field to which /etc/passwd will be the inpu...
Is there a Pattern Matching Utility like GREP in Windows?
...ware in Windows/Batch/Powershell... in s DOS-Box... in a Powershell-Box... etc. etc.--- GREAT TOOL!!!
– ZEE
Apr 24 '19 at 15:37
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Difference between Key, Primary Key, Unique Key and Index in MySQL
...trieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses.
Imagine you have a table called users and you want to search for all the users which have the last name 'Smith'. Without an index, the database would have to go through all the records of the table: this i...
How to create index in Entity Framework 6.2 with code first
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How do I add index participating column order to descending? By default .HasIndex("IX_Customers_EmailAddress", IndexOptions.Unique, ... creates ascending order for all participating columns in index.
– GDroid
Mar 15 '17 at 21:...
Getting random numbers in Java [duplicate]
...wnload.oracle.com/javase/6/docs/api/java/lang/… ). So it's 0.0 to 49.999 etc. which becomes 1 to 50.999 etc. when you add 1, which becomes 1 to 50 when you truncate to int.
– Rup
May 5 '11 at 13:48
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Pandas - Get first row value of a given column
.... See below for an explanation of why. Because a subtle difference in
the order of indexing makes a big difference in behavior, it is better to use single indexing assignment:
df.iloc[0, df.columns.get_loc('Btime')] = x
df.iloc[0, df.columns.get_loc('Btime')] = x (recommended):
The recommende...