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Asynchronous vs synchronous execution, what does it really mean? [closed]
...fferent threads.
Now, if you introduce multiple cores/processors into the mix, then things CAN actually happen at the same time. The operating system can allocate time to one thread on the first processor, then allocate the same block of time to another thread on a different processor. All of this...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...rison, which is almost certainly not what you want. When your program does mixed-type computations involving boxed and unboxed primitives, it does unboxing, and when your program does unboxing, it can throw NullPointerException. Finally, when your program boxes primitive values, it can result in cos...
MySQL: Transactions vs Locking Tables
...e data integrity and consistence, you had better use transactions.
I think mixed concepts of isolation levels in transactions with locks.
Please search isolation levels of transactions, SERIALIZE should be the level you want.
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...ut I'll change it back to a literal space for now until TortoiseSVN starts mixing it up with tabs or whatever :-) I've left the + since it was useful for you.
– Iain Samuel McLean Elder
Aug 23 '14 at 21:16
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Does Typescript support the ?. operator? (And, what's it called?)
Does Typescript currently (or are there plans to) support the safe navigation operator of ?.
14 Answers
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How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
... something twice, first to zoom all the way in (the normal double tap behavior) and again to zoom all the way out (again, the normal double tap behavior). When it zooms out, it zooms out to the correct NEW scale for landscape mode.
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What is the difference between ? and Object in Java generics?
...btype of Object[], that's one of the reasons why generics and arrays don't mix well. (arrays in Java are covariant, generics are not, they are invariant)).
Sample:
If you'd like to write a method that accepts Lists of InputStreams and subtypes of InputStream, you'd write
public void foobar(List<...
How does the ARM architecture differ from x86? [closed]
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ARM is a RISC (Reduced Instruction Set Computing) architecture while x86 is a CISC (Complex Instruction Set Computing) one.
The core difference between those in this aspect is that ARM instructions operate only on registers with a few instructions for loa...
Can I use my existing git repo with openshift?
...ke to merge the openshift repo into my local clone because I don't want to mix the OpenShift repo into the master branch of my public repo.
Assuming you have added the remote using git remote add openshift <openshift-git-repo-url>, here is what I would do:
Create a new local branch openshif...