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How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
log all sql queries
How can I log all SQL queries that my django application performed?
7 Answers
7
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Is there any way to use a numeric type as an object key?
...in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
...
Why are Objective-C delegates usually given the property assign instead of retain?
...wner
If B had retained A, A wouldn't be released, as B owns A, thus A's dealloc would never get called, causing both A and B to leak.
You shouldn't worry about A going away because it owns B and thus gets rid of it in dealloc.
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Removing an activity from the history stack
... How can I achieve this from code? Because I don't want to do this all the time. I would like to remove a given activity from history only under some conditions.
– Namratha
Jan 31 '13 at 10:07
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Replacing H1 text with a logo image: best method for SEO and accessibility?
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For all who are wondering what's in the linked video: Matt Cutts basically says, you should use the alt attribute of the img tag instead of hiding text with css.
– bjunix
Nov 21 '16 at 15:39...
When to use nested classes and classes nested in modules?
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As for your second observation, classes nested inside of modules are generally used to namespace the classes. For instance:
module ActiveRecord
class Base
end
end
differs from
module ActionMailer
class Base
end
end
Although this is not the only use of classes nested inside of modules,...
Can I get a patch-compatible output from git-diff?
... -p option):
git diff --no-prefix [<other git-diff arguments>]
Usually though, it is easier to use straight git diff and then use the output to feed to git apply.
Most of the time I try to avoid using textual patches. Usually one or more of temporary commits combined with rebase, git stash...
Location of parenthesis for auto-executing anonymous JavaScript functions?
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They're virtually the same.
The first wraps parentheses around a function to make it a valid expression and invokes it. The result of the expression is undefined.
The second executes the function and the parentheses around the automati...
What is the purpose of the : (colon) GNU Bash builtin?
...and that does nothing, being little more than a comment leader, but is actually a shell builtin in and of itself?
12 Answer...