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How do I vertically center UITextField Text?
I am simply instantiating a UITextField and noticing that the text doesn't center vertically. Instead, it is flush with the top of my button, which I find kind of odd since I would expect the default to center it vertically. How can I center it vertically, or is there some default setting that I a...
How to convert an NSString into an NSNumber
...ype (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
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Android: How do I get string from resources using its name?
...string.
The ones from res/values/strings.xml are the fallback ones, if you don't have a folder covering the users locale, this one will be used as default values.
See Localization and Providing Resources for more information.
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Including a groovy script in another groovy
...g in the contents of a groovy file (just replace the file name between the double quotes with your groovy script).
I do this with a class surprisingly called "Tools.groovy".
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
...ality and defect rate - plus improved morale and profitability.
It can be done when you have both an accurate understanding and commitment from the parties involved.
First of all, it is important to understand that unit testing is a skill in itself. You can be a very productive programmer by "conv...
Html List tag not working in android textview. what can i do?
...
As you can see in the Html class source code, Html.fromHtml(String) does not support all HTML tags. In this very case, <ul> and <li> are not supported.
From the source code I have built a list of allowed HTML tags:
br
p
div
em
b
strong
cite
dfn
i
big
small
font
blockquote
tt
mo...
Count number of occurrences of a given substring in a string
...count("ab")
2
Update:
As pointed up in the comments, this is the way to do it for non overlapping occurrences. If you need to count overlapping occurrences, you'd better check the answers at: "Python regex find all overlapping matches?", or just check my other answer below.
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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Difference between app.all('*') and app.use('/')
...ter the router), it usually won't be run at all.
Usually, if you want to do something globally to all routes, app.use() is the better option. Also, it has less chance of future bugs, since express 0.4 will probably drop the implicit router (meaning, the position of the router in middleware will be...
Constructor function vs Factory functions
...l it a "factory" function if it just returned a boolean or something. This does not happen automatically like with new, but it does allow more flexibility for some cases.
In a really simple example the functions referenced above might look something like this:
function ConstructorFunction() {
t...