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Converting string into datetime
... # datetime.datetime(1999, 8, 28, 0, 0)
It can handle most date formats, including the one you need to parse. It's more convenient than strptime as it can guess the correct format most of the time.
It's very useful for writing tests, where readability is more important than performance.
You can ...
How to make asynchronous HTTP requests in PHP
...
/**
* Asynchronously execute/include a PHP file. Does not record the output of the file anywhere.
*
* @param string $filename file to execute, relative to calling script
* @param string $options (optional) arguments to pass...
How do I use define_method to create class methods?
...rom concern:
module Concerns::Testable
extend ActiveSupport::Concern
included do
singleton_class.instance_eval do
define_method(:test) do
puts 'test'
end
end
end
end
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What's the Best Way to Shuffle an NSMutableArray?
...ray_Shuffling.h
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
#else
#include <Cocoa/Cocoa.h>
#endif
// This category enhances NSMutableArray by providing
// methods to randomly shuffle the elements.
@interface NSMutableArray (Shuffling)
- (void)shuffle;
@end
// NSMutableArray_Shuffli...
How can I convert the “arguments” object to an array in JavaScript?
...
"Unless another tag for a framework/library is also included, a pure JavaScript answer is expected."
– Michał Perłakowski
Jan 24 '16 at 17:26
add a co...
“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
... triple checked many times for anything in the buffer prior to the prolog (including hidden characters) but there simply isn't anything else there. I'll give switching to utf-16 encoding a try, however -- out of curiousity, where did you get the information that the XSD uses UTF-16?
...
mysql check collation of a table
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SHOW TABLE STATUS shows information about a table, including the collation.
For example SHOW TABLE STATUS where name like 'TABLE_NAME'
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How to update two tables in one statement in SQL Server 2005?
... a view, as long as the following conditions are true:
Any modifications, including UPDATE, INSERT, and DELETE statements, must reference columns from only one base table.
The columns being modified in the view must directly reference the underlying data in the table columns. The columns cannot be ...
How to concatenate properties from multiple JavaScript objects
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@Spen that is already included as an answer to this question. I don't seen a benefit to duplicating it here.
– filoxo
Aug 6 '18 at 15:53
...
To find whether a column exists in data frame or not
...
You have a number of options, including using %in% and grepl:
dat <- data.frame(a=1:2, b=2:3, c=4:5)
dat
a b c
1 1 2 4
2 2 3 5
To get the names of the columns:
names(dat)
[1] "a" "b" "c"
Use %in% to check for membership:
"d" %in% names(dat)
[1...