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How do I insert NULL values using PDO?
..., PDO has some (to me) unexpected behaviour.
If you use $stmt->execute(Array), you have to specify the literal NULL and cannot give NULL by variable reference.
So this won't work:
// $val is sometimes null, but sometimes an integer
$stmt->execute(array(
':param' => $val
));
// will ca...
How to list all methods for an object in Ruby?
...
Module#instance_methods
Returns an array containing the names of the public and protected instance methods in the receiver. For a module, these are the public and protected methods; for a class, they are the instance (not singleton) methods. With no argument, ...
Creating multiline strings in JavaScript
...o keep oversight with complex or long multiline strings I sometimes use an array pattern:
var myString =
['<div id="someId">',
'some content<br />',
'<a href="#someRef">someRefTxt</a>',
'</div>'
].join('\n');
or the pattern anonymous already showed...
Appending the same string to a list of strings in Python
...lue='@',shape=len(lst1),dtype=object) #optional third list
result = np.array(lst1,dtype=object)+at+np.array(lst2,dtype=object)
Result:
array(['a@1', 'b@2', 'c@3', 'd@4', 'e@5'], dtype=object)
dtype odject may be further converted str
...
Learn C first before learning Objective-C [closed]
...t of graphs. For storing the data necessary to paint the graphs, we used NSArray's. Actually NSMutableArray's, since the graph was animated. Result: Very slow graph animation. We replaced all NSArray's with normal C arrays, objects with structs (after all graph coordinate information is nothing you ...
What are Scala context and view bounds?
...example of usage in Scala is this:
def f[A : ClassManifest](n: Int) = new Array[A](n)
An Array initialization on a parameterized type requires a ClassManifest to be available, for arcane reasons related to type erasure and the non-erasure nature of arrays.
Another very common example in the libr...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...at you can do is is recalculating the length of the elements in serialized array
You current serialized data
$data = 'a:10:{s:16:"submit_editorial";b:0;s:15:"submit_orig_url";s:13:"www.bbc.co.uk";s:12:"submit_title";s:14:"No title found";s:14:"submit_content";s:12:"dnfsdkfjdfdf";s:15:"submit_cate...
String vs. StringBuilder
...trings in .NET are immutable). It works by keeping an internal buffer, an array of char. Calling Append() or AppendLine() adds the string to the empty space at the end of the char array; if the array is too small, it creates a new, larger array, and copies the buffer there. So in the example abov...
How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...ctor() or calls the $ function in the page, if it exists.
$$(): Returns an array of DOM nodes that match. This is like for document.querySelectorAll(), but returns an array instead of a NodeList.
$x(): Evaluates an XPath expression and returns an array of matching nodes.
Firefox (prior version ...
AngularJS $http and $resource
...
I Think it is important to emphasize that $resource expects object or array as response from server, not raw string. So if you have raw string (or anything except object and array) as a response, you have to use $http
s...