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instanceof Vs getClass( )
...learned an alternative yesterday
We all know you can do:
if(o instanceof String) { // etc
but what if you dont know exactly what type of class it needs to be?
you cannot generically do:
if(o instanceof <Class variable>.getClass()) {
as it gives a compile error.
Instead, here is an ...
Must qualify the allocation with an enclosing instance of type GeoLocation
...E GeoLocation.java
public class GeoLocation {
public static void main(String[] args) throws InterruptedException {
int size = 10;
// create thread pool with given size
ExecutorService service = Executors.newFixedThreadPool(size);
// queue some tasks
f...
How can I pipe stderr, and not stdout?
... preserved as stderr, but you won't see any lines in stderr containing the string "something".
This has the unique advantage of not reversing or discarding stdout and stderr, nor smushing them together, nor using any temporary files.
...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
..., I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
...
How to implode array with key and value without foreach in PHP
...
Beware of the string encoding!If you are not building an URL maybe you do not want it on your array key&value
– Matteo
Sep 10 '14 at 12:51
...
Convert UTC Epoch to local date
...ust it to the proper epoch, but the only method that seems useful is toUTCString() and strings don’t help me. If I pass that string into a new date, it should notice that it’s UTC, but it doesn’t.
...
How to delete all files and folders in a directory?
...
note that Empty exists in C# already, for string. If I saw something else named Empty I would be surprised if it modified the object (or filesystem) instead of giving me a bool that says if it is empty or not. Because of that, I would go with the name Clean.
...
Returning http status code from Web Api controller
...e NotModified response.
public HttpResponseMessage GetComputingDevice(string id)
{
ComputingDevice computingDevice =
_db.Devices.OfType<ComputingDevice>()
.SingleOrDefault(c => c.AssetId == id);
if (computingDevice == null)
{
...
How to remove/change JQuery UI Autocomplete Helper text?
...
I tried this and it puts the string "null" in the same place. The solution is to change to: noResults: '', and you will get no message at all.
– Patrick
Jan 11 '13 at 17:55
...
How to find the last field using 'cut'
...,baz,qux
last=${data##*,}
See BashFAQ #100 for an introduction to native string manipulation in bash.
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