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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...dvance, especially when using it on bigger projects.
The code in the try block may have a chance to wreak all sorts of havoc before the exception is caught - if you proactively check beforehand with an if statement you can avoid this.
If the code called in your try block raises a common exception ...
SecurityException: Permission denied (missing INTERNET permission?)
...turing various type of "privacy managers" or similar tools.
So if app is blocked either way, it's basically blocked intentionally by the user and if so, it is really more user problem in this case (or s/he do not understand what certain options/tools really do and what would be the consequences) t...
AtomicInteger lazySet vs. set
... niche
method that is sometimes useful when fine-tuning code using
non-blocking data structures. The semantics are
that the write is guaranteed not to be re-ordered with any
previous write, but may be reordered with subsequent operations
(or equivalently, might not be visible to other thre...
What's the difference between an id and a class?
...cument. For example, you do not necessarily need to add a comment before a block stating that a block of code will contain the main content if the opening tag of the block has an ID of, say, "main", "header", "footer", etc.
...
How does the compilation/linking process work?
... the one in Forth work, with no linker.
A linker is something that allows blocks of code to be compiled separately. This can speed up the overall process of building code, and allows some flexibility with how the blocks are later used, in other words they can be relocated in memory, for example ad...
Allow user to set up an SSH tunnel, but nothing else
...
On Ubuntu 11.10, I found I could block ssh commands, sent with and without -T, and block scp copying, while allowing port forwarding to go through.
Specifically I have a redis-server on "somehost" bound to localhost:6379 that I wish to share securely via s...
Mapping many-to-many association table with extra column(s)
...USER table is not a pure join table, but has additional functional fields (blocked), you must map it as an entity, and decompose the many to many association between User and Service into two OneToMany associations : One User has many UserServices, and one Service has many UserServices.
You haven't...
Using isKindOfClass with Swift
....view as? UIPickerView {
...
}
Then you can use picker within the if block.
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Overflow to left instead of right
...div is exceeded, set the .outer-div to max-width: 100% and display: inline-block. See here
– Luke
Aug 11 '16 at 0:28
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What is the relative performance difference of if/else versus switch statement in Java?
...aintainability of the code in question. If there are more than two if/else blocks glued together or its size is unpredictable, then you may highly consider a switch statement.
Alternatively, you can also grab Polymorphism. First create some interface:
public interface Action {
void execute(St...