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Python string.join(list) on object array rather than string array
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The built-in string constructor will automatically call obj.__str__:
''.join(map(str,list))
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How to solve PHP error 'Notice: Array to string conversion in…'
...u can use print_r.
Alternatively, if you don't know if it's an array or a string or whatever, you can use var_dump($var) which will tell you what type it is and what it's content is. Use that for debugging purposes only.
sh...
Troubleshooting “Illegal mix of collations” error in mysql
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This is generally caused by comparing two strings of incompatible collation or by attempting to select data of different collation into a combined column.
The clause COLLATE allows you to specify the collation used in the query.
For example, the following WHERE cla...
Check if null Boolean is true results in exception
... great helper functions for all sorts of use-cases, including Booleans and Strings. I suggest you peruse the various Apache libraries and see what they already offer.
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ie8 var w= window.open() - “Message: Invalid argument.”
... The MSDN documentation page you linked to states "Optional. String that specifies the name of the window. ", that sounds to me like you should be able to any keyword besides the the arguments you listed above.
– James McMahon
Dec 13 '11 at 19:36
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Difference between DateTime and Time in Ruby
...or converting times to XML (for XMLTV files)
# Will take a date time as a string or as a Time or DateTime object and
# format it appropriately for xmtlv.
# For example, the 22nd of August, 2006 at 20 past midnight in the British Summertime
# timezone (i.e. GMT plus one hour for DST) gives: "200608...
Escaping regex string
...se the re.escape() function for this:
4.2.3 re Module Contents
escape(string)
Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it.
A simplistic example, search any occu...
C/C++ macro string concatenation
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If they're both strings you can just do:
#define STR3 STR1 STR2
The preprocessor automatically concatenates adjacent strings.
EDIT:
As noted below, it's not the preprocessor but the compiler that does the concatenation.
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How can I rename a database column in a Ruby on Rails migration?
...cord::Migration
def up
add_column :table, :correct_name_column_one, :string
add_column :table, :correct_name_column_two, :string
puts 'Updating correctly named columns'
execute "UPDATE table_name SET correct_name_column_one = old_name_column_one, correct_name_column_two = old_name...
What is an EJB, and what does it do?
...ainer services added). The act of designing a separate EJB layer
promotes extra care for maximizing encapsulation, loose coupling and cohesion, and
promotes a clean interface (Facade), shielding callers from complex processing & data
models.
Scalability and Reliability
If you apply a massive...