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Determine if Android app is being used for the first time
...SET_APP_RUN_FIRST_TIME, "FIRST");
return App_runFirst;
}
}
Now Open Your Activity & Initialize .
private SharedPreference sharedPreferenceObj; // Declare Global
Now Call this in OnCreate section
sharedPreferenceObj=new SharedPreference(YourActivity.this)...
Why is nginx responding to any domain name?
...nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf:
...
Difference between Hive internal tables and external tables?
...ll me the difference between Hive's external table and internal tables.
I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables.
Can anyone explain me in terms of nodes pleas...
How can I get the list of files in a directory using C or C++?
...Ronkko. In Unix, it is a standard header.
UPDATE 2017:
In C++17 there is now an official way to list files of your file system: std::filesystem. There is an excellent answer from Shreevardhan below with this source code:
#include <string>
#include <iostream>
#include <filesystem>...
CSS center text (horizontally and vertically) inside a div block
...
There's now a display: table-cell property for that, FYI. Using it makes the element behave like a table cell and allows vertical-align: middle;
– Shauna
Apr 18 '11 at 14:38
...
What is the main difference between Inheritance and Polymorphism?
...s just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questions to this but, none I have seen which provide a definitive answer.
...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...lds, clases obviously cannot do that so they will remain 8 byte aligned.
Now if we combine all that and create struct:
struct RefAndTwoInt32Wrappers
{
public int x,y;
public Int32Wrapper z;
public string s;
}
It will have 24 bytes {x,y} will have 4 bytes each and {z,s} will have 8 b...
Installing older version of R package
...are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
7 Answers
...
Can a shell script set environment variables of the calling shell? [duplicate]
...t is "setit" then do:
ln -s setit setit-sh
and
ln -s setit setit-csh
Now either directly or in an alias, you do this from sh
eval `setit-sh`
or this from csh
eval `setit-csh`
setit uses $0 to determine its output style.
This is reminescent of how people use to get the TERM environment v...
Most used parts of Boost [closed]
When I discovered boost::lexical_cast I thought to myself "why didn't I know about this sooner!" - I hated having to write code like
...