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onConfigurationChanged not getting called
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you must specify the <activity android:name=".MyActivity" android:screenOrientation="landscape " > </activity> in your menifest file
– Qadir Hussain
Dec 27 '12 at 7:01
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How do I use InputFilter to limit characters in an EditText in Android?
...inputtype I can limit to digits but I cannot figure out the ways of Inputfilter looking through the docs.
19 Answers
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
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@Rgeek: you could melt the dataframe using the variable you are interested in as an id variable, and then facet by the other variables.
– naught101
Feb 5 '15 at 23:26
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How to call function of one php file from another php file and pass parameters to it?
...st file into the second. That's all.
See an example below,
File1.php :
<?php
function first($int, $string){ //function parameters, two variables.
return $string; //returns the second argument passed into the function
}
?>
Now Using include (http://php.net/include) to include the ...
How to delete or add column in SQLITE?
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ALTER TABLE SQLite
SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, re...
How to return smart pointers (shared_ptr), by reference or by value?
... best way to return a shared_ptr is to simply return by value:
shared_ptr<T> Foo()
{
return shared_ptr<T>(/* acquire something */);
};
This is a dead-obvious RVO opportunity for modern C++ compilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizat...
Mod of negative number is melting my brain
...u could write it as
int mod(int x, int m) {
int r = x%m;
return r<0 ? r+m : r;
}
or variants thereof.
The reason it works is that "x%m" is always in the range [-m+1, m-1]. So if at all it is negative, adding m to it will put it in the positive range without changing its value modulo m...
How can I change or remove HTML5 form validation default error messages?
...st be 10. When I try to submit form with value which length is 5, the default error message appears: Please match the requested format
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std::string to char*
...str.c_str());
// do stuff
delete [] cstr;
Or in modern C++:
std::vector<char> cstr(str.c_str(), str.c_str() + str.size() + 1);
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Parallel.ForEach vs Task.Factory.StartNew
...is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a single Task per item in your collection. Whi...