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Compare two objects in Java with possible null values
I want to compare two strings for equality when either or both can be null .
12 Answers
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Find running median from a stream of integers
...Heap on the right. Then process stream data one by one,
Step 1: Add next item to one of the heaps
if next item is smaller than maxHeap root add it to maxHeap,
else add it to minHeap
Step 2: Balance the heaps (after this step heaps will be either balanced or
one of them will contain 1 mo...
Find the Smallest Integer Not in a List
...ructure can be mutated in place and supports random access then you can do it in O(N) time and O(1) additional space. Just go through the array sequentially and for every index write the value at the index to the index specified by value, recursively placing any value at that location to its place a...
Unix - create path of folders and file
...nded usage of ; to separate the two commands but as pointed out by @trysis it's probably better to use && in most situations because in case COMMAND1 fails COMMAND2 won't be executed either. (Otherwise this might lead to issues you might not have been expecting.)
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How to install Java 8 on Mac
I want to do some programming with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle's Java 8 installer, and the files look like they ended up at
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How to perform a real time search and filter on a HTML table
.../jsfiddle.net/7BUmG/2/
Regular expression search
More advanced functionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple green or green apple:
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = '...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ly need Config mode.
Module mode
Find<package>.cmake file located within your project. Something like this:
CMakeLists.txt
cmake/FindFoo.cmake
cmake/FindBoo.cmake
CMakeLists.txt content:
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
find_package(Foo REQUIRED) # FOO_INC...
How do you create a dictionary in Java? [closed]
...ring>. Classes that implement the Map interface include (but are not limited to):
HashMap
LinkedHashMap
Hashtable
Each is designed/optimized for certain situations (go to their respective docs for more info). HashMap is probably the most common; the go-to default.
For example (using a HashMa...
Can I change a private readonly field in C# using reflection?
...ion, can I change a private readonly field after the constructor completed its execution?
(note: just curiosity)
8 Answer...
UITableView Setting some cells as “unselectable”
How can I set the UITableView's cell property to be unselectable? I don't want to see that blue selection box when the user taps on the cell.
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