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How to log something in Rails in an independent log file?
...possible this behaviour has changed in Rails since 3 years ago. Thanks for calling this out.
– Dave
Oct 14 '14 at 12:09
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Why doesn't Java allow generic subclasses of Throwable?
...ype-correctness. The generic type information is then removed in a process called type erasure. For example, List<Integer> will be converted to the non-generic type List.
Because of type erasure, type parameters cannot be determined at run-time.
Let's assume you are allowed to extend Throwab...
passing several arguments to FUN of lapply (and others *apply)
...N’.
So all you have to do is include your other argument in the lapply call as an argument, like so:
lapply(input, myfun, arg1=6)
and lapply, recognizing that arg1 is not an argument it knows what to do with, will automatically pass it on to myfun. All the other apply functions can do the sam...
How does TransactionScope roll back transactions?
... happens since you're using a using block you are ensuring dispose will be called even if an exception occurs. So if dispose is called before txScope.Complete() the TransactionScope will tell the connections to rollback their transactions (or the DTC).
...
Configuring Git over SSH to login once
...ewhere.
All ssh-family commands1 will then consult the agent and automatically be able to use your private key.
On OSX (err, macOS), GNOME and KDE systems, ssh-agent is usually launched automatically for you. I will go through the details in case, like me, you also have a Cygwin or other windows ...
JavaScript blob filename without link
...files (>40 MBytes) are truncated at random positions. Re-scheduling the call of revokeObjectUrl() fixes this issue.
function saveFile(blob, filename) {
if (window.navigator.msSaveOrOpenBlob) {
window.navigator.msSaveOrOpenBlob(blob, filename);
} else {
const a = document.createElem...
What is an EJB, and what does it do?
...coupling and cohesion, and
promotes a clean interface (Facade), shielding callers from complex processing & data
models.
Scalability and Reliability
If you apply a massive number of requests from various calling messages/processes
/threads, they are distributed across the available EJB instan...
Sending HTTP POST Request In Java
...trying for a while to get my hands on PostMethod it seems its actually now called HttpPost as per stackoverflow.com/a/9242394/1338936 - just for anyone finding this answer like I did :)
– Martin Lyne
Oct 28 '12 at 20:43
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Is it possible to make anonymous inner classes in Java static?
...n a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes).
...
Python function global variables?
...them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
...