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How can I make a UITextField move up when the keyboard is present - on starting to edit?
...ke a viewing window on the content defined in the contentSize. So when in order for the UIScrollview to scroll anywhere, the contentSize must be greater than the UIScrollView. Else, there is no scrolling required as everything defined in the contentSize is already visible. BTW, default contentSiz...
How to do a FULL OUTER JOIN in MySQL?
...FROM t2
LEFT JOIN t1 ON t2.id = t1.id
WHERE t1.col1 = 'someValue'
So the order of tables has changed, but the predicate is still applied to t1, but t1 is now in the 'ON' clause. If t1.col1 is defined as NOT NULL
column, then this query will be null-rejected.
Any outer-join (left, right, full) tha...
Some font-size's rendered larger on Safari (iPhone)
...en’s resolution). Many web designers use pixel units in web documents in order to produce a pixel-perfect representation of their site as it is rendered in the browser. One problem with the pixel unit is that it does not scale upward for visually-impaired readers or downward to fit mobile devices....
Get the name of an object's type
...stanceof Boolean // false
The literals need to be wrapped in an Object in order for instanceof to work, for example
new Number(3) instanceof Number // true
The .constructor check works fine for literals because the . method invocation implicitly wraps the literals in their respective object type
3...
How to get the position of a character in Python?
...for completion, in the case I want to find the extension in a file name in order to check it, I need to find the last '.', in this case use rfind:
path = 'toto.titi.tata..xls'
path.find('.')
4
path.rfind('.')
15
in my case, I use the following, which works whatever the complete file name is:
fil...
How to get JSON from webpage into Python script
...pen(url).read() is a bytes object. So one has to get the file encoding in order to make it work in Python 3.
In this example we query the headers for the encoding and fall back to utf-8 if we don't get one. The headers object is different between Python 2 and 3 so it has to be done different ways....
Compare given date with today
...:00:00";
if ($date < $today) {}
That's the beauty of that format: it orders nicely. Of course, that may be less efficient, depending on your exact circumstances, but it might also be a whole lot more convenient and lead to more maintainable code - we'd need to know more to truly make that judg...
To Workflow or Not to Workflow?
...
In order to do an insurance claim system of any complexity that involves roles and "sub-tasks" you really need an BPM solution, not just workflow. Workflow Foundation 4.0 is slick but it really doesn't not come close to the func...
Best way to get child nodes
...wsers. What I want to know is how the different objects are structured, in order to get a better understanding of the similarities and differences between them. I'll edit my question later to make that clearer, sorry for the mixup
– Elias Van Ootegem
Apr 30 '12...
Python, remove all non-alphabet chars from string
...ąć1-2!Абв3§4“5def”')) to get the same result.
In Python re, in order to match any Unicode letter, one may use the [^\W\d_] construct (Match any unicode letter?).
So, to remove all non-letter characters, you may either match all letters and join the results:
result = "".join(re.findall(r...