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Python concatenate text files
...new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "elegant" to me, especially the part where I have to read//write line by line.
...
autolayout - make height of view relative to half superview height
...een getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superv...
How to check if a number is a power of 2
...nd only if both its operands are true.
Now let's take a look at how this all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone has passed the value 4 and called ...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
...am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9.
...
What is the difference between a stored procedure and a view?
...O
Thus, if I want to query profile_description by user_id in the future, all I have to do is:
SELECT profile_description FROM vw_user_profile WHERE user_id = @ID
That code could be used in a stored procedure like:
CREATE PROCEDURE dbo.getDesc
@ID int
AS
BEGIN
SELECT profile_description...
Throw keyword in function's signature
...
No, it is not considered good practice. On the contrary, it is generally considered a bad idea.
http://www.gotw.ca/publications/mill22.htm goes into a lot more detail about why, but the problem is partly that the compiler is unable to enforce this, so it has to be checked at runtime, which i...
Opening the Settings app from another app
Okay, I know that there are many question about it, but they are all from many time ago.
17 Answers
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Change directory command in Docker?
... && \
rm -f treeio.zip && cd treeio && pip install -r requirements.pip
Because of the use of '&&', it will only get to the final 'pip install' command if all the previous commands have succeeded.
In fact, since every RUN creates a new commit & (currently) a...
What is the difference between declarative and procedural programming paradigms?
...paradigm:
C (and most other legacy languages)
PHP, mostly
In some sense, all major languages
Object-Oriented
It typically refers to languages that exhibit a hierarchy of types that inherit both methods and state from base types to derived types, but also includes the unusual prototype-based Jav...
Html List tag not working in android textview. what can i do?
... 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
monospace
a
u
sup
s...