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What exactly is Heroku?
...arted learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
...
Redirecting to a relative URL in JavaScript
...ple, the directory is /customers/ - so "one level up" is www.example.com/. Now if your example URL was www.example.com/customers/list/ - it would redirect you to www.example.com/customers/
– Ubeogesh
Jun 4 '18 at 11:54
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When to use extern in C++
... variables in a header, so that each source file that includes the header knows about it, but you only need to “define” it once in one of your source files.
To clarify, using extern int x; tells the compiler that an object of type int called x exists somewhere. It's not the compilers job to kno...
`levels
... answered May 8 '12 at 2:40
OwenOwen
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How to change spinner text size and text color?
...ndroid:textColor="#FF0000"
android:padding="5dip"
/>
Now use this file to show your spinner items like:
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list);
You don't need to set the drop down resource. It will take spinner_i...
Rails I18n validation deprecation warning
...les = true
# ...
end
end
Long answer
The deprecation warning is now displayed both in Rails 4 (>= 4.0.2) and Rails 3.2 (>= 3.2.14). The reason is explained in this commit.
Enforce available locales
When I18n.config.enforce_available_locales is true we'll raise an
I18n::In...
How can I create a keystore?
...od shout on defining -keysize 2048 rather than default 1024 personally I'm now using 4096
– scottyab
Sep 25 '13 at 9:13
9
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Which are more performant, CTE or temporary tables?
...bles are automatically dropped (usually at the end of a session). I don't know about other DBMS though.
– Serrano
Feb 11 '13 at 12:50
2
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Why is a 3-way merge advantageous over a 2-way merge?
...es, and see that the first and last lines are different. But how would it know what to do with the differences? Should the merged version include the first line? Should it include the last line?
With a three-way merge, it can compare the two files, but it can also compare each of them against the o...
AES Encryption for an NSString on the iPhone
...
Since you haven't posted any code, it's difficult to know exactly which problems you're encountering. However, the blog post you link to does seem to work pretty decently... aside from the extra comma in each call to CCCrypt() which caused compile errors.
A later comment on tha...