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Display back button on action bar
...t way to do so, check the below steps. Step 1 is necessary, step two have alternative.
Step 1 showing back button: Add this line in onCreate() method to show back button.
assert getSupportActionBar() != null; //null check
getSupportActionBar().setDisplayHomeAsUpEnabled(true); //show back button
...
Rolling median algorithm in C
I am currently working on an algorithm to implement a rolling median filter (analogous to a rolling mean filter) in C. From my search of the literature, there appear to be two reasonably efficient ways to do it. The first is to sort the initial window of values, then perform a binary search to inser...
Default function arguments in Rust
Is it possible in Rust to create a function with a default argument?
6 Answers
6
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How can I convert a Unix timestamp to DateTime and vice versa?
...meKind.Utc);
dtDateTime = dtDateTime.AddSeconds( unixTimeStamp ).ToLocalTime();
return dtDateTime;
}
Or, for Java (which is different because the timestamp is in milliseconds, not seconds):
public static DateTime JavaTimeStampToDateTime( double javaTimeStamp )
{
// Java timestamp is m...
Different types of thread-safe Sets in Java
...er finishes) - this is thread-safe, but you will not have concurrency if multiple threads are really using the set. If you use the iterator, you usually still need to synchronize externally to avoid ConcurrentModificationExceptions when modifying the set between iterator calls. The performance will...
Multiline strings in VB.NET
Is there a way to have multiline strings in VB.NET like Python
21 Answers
21
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
... a look at the g++-4.8 headers.
bits/stl_map.h, lines 598-603
template<typename _Pair, typename = typename
std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
std::pair<iterator, bool...
How can I add an item to a SelectList in ASP.net MVC
...m looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --"
...
How can I monitor the thread count of a process on linux?
...
try
ps huH p <PID_OF_U_PROCESS> | wc -l
or htop
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android:drawableLeft margin and/or padding
...dding to push the text and icon closer together than they would be by default:
<Button android:text="@string/button_label"
android:id="@+id/buttonId"
android:layout_width="160dip"
android:layout_height="60dip"
android:layout_gravity="center"
android:textSize="13dip"
andr...