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Thread-safe List property
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Even as it got the most votes, one usually can't take System.Collections.Concurrent.ConcurrentBag<T> as a thread-safe replacement for System.Collections.Generic.List<T> as it is (Radek Stromský already pointed it out) not ordered.
But there i...
How does Java handle integer underflows and overflows and how would you check for it?
...can store larger values, e.g. long or maybe java.math.BigInteger. The last one doesn't overflow, practically, the available JVM memory is the limit.
If you happen to be on Java8 already, then you can make use of the new Math#addExact() and Math#subtractExact() methods which will throw an Arithmet...
How to manage REST API versioning with spring?
...reak even if they should not) the abstracted requirement is an interesting one:
How can I do a custom request mapping that does arbitrary evaluations of header values from the request without doing the evaluation in the method body?
As described in this SO answer you actually can have the same @R...
What is the best way to do a substring in a batch file?
...ble and expands %I to the
fully qualified name of the first one found.
If the environment variable name is not
defined or the file is not found by the
search, then this modifier expands to the
empty string
The modifiers...
Sourcetree - undo unpushed commits
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Right click on the commit you like to reset to (not the one you like to delete!)
Select "Reset master to this commit"
Select "Soft" reset.
A soft reset will keep your local changes.
Source: https://answers.atlassian.com/questions/153791/how-should-i-remove-push-commit-from-sour...
Openstreetmap: embedding map in webpage (like Google Maps)
...ed to use some JavaScript stuff to show your map. OpenLayers is the number one choice for this.
There is an example at http://wiki.openstreetmap.org/wiki/OpenLayers_Simple_Example and something more advanced at
http://wiki.openstreetmap.org/wiki/OpenLayers_Marker
and
http://wiki.openstreetmap.or...
Unlink of file Failed. Should I try again?
Something wrong is going on with one of the files in my local git repository. When I'm trying to change the branch it says:
...
How to get the last character of a string in a shell?
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That's one of the reasons why you need to quote your variables:
echo "${str:$i:1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in ...
What, why or when it is better to choose cshtml vs aspx?
... capable of retaining its own state from page to page.
The choice to use one or the other is always going to be a contentious one because there are arguments for and against both systems. I for one like the simplicity in the MVC architecture (though routing is anything but simple) and the ease of ...
What's the reason I can't create generic array types in Java?
...'s arrays (unlike generics) contain, at runtime, information about its component type. So you must know the component type when you create the array. Since you don't know what T is at runtime, you can't create the array.
sha...