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What's the difference between an exclusive lock and a shared lock?
...rather than locks; when you "transition to the UI thread" you are actually queueing a message containing a function pointer and some parameters (or a delegate and a stack frame depending on implementation).
share
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Why JSF saves the state of UI components on server?
... decent implementation will remove it when it has been expired or when the queue is full. Mojarra for example has a default limit of 15 logical views when state saving is set to session. This is configureable with the following context param in web.xml:
<context-param>
<param-name>co...
How can I list ALL grants a user received?
...N', 21, 'LOB',
22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
...
How to iterate over arguments in a Bash script
...or simple cases you can also use shift.
It treats the argument list like a queue. Each shift throws the first argument out and the
index of each of the remaining arguments is decremented.
#this prints all arguments
while test $# -gt 0
do
echo "$1"
shift
done
...
Why is an int in OCaml only 31 bits?
...t actually a pointer, this is an integer". Examples include the Burroughs B5000, the various Lisp Machines or the AS/400. Unfortunately, most of the current mainstream CPUs don't have that feature.
However, there is a way out: most current mainstream CPUs work significantly slower when addresses ar...
How to choose the id generation strategy when using JPA and Hibernate
... choice when you cannot use SEQUENCE (e.g. MySQL) because it disables JDBC batch updates.
SEQUENCE is the preferred option, especially when used with an identifier optimizer like pooled or pooled-lo.
TABLE is to be avoided at any cost since it uses a separate transaction to fetch the identifier an...
Why is Hibernate Open Session in View considered a bad practice?
...which can, in turn, trigger N+1 query problems. Although Hibernate offers @BatchSize for fetching associations in batches, and FetchMode.SUBSELECT to cope with this scenario, the annotations are affecting the default fetch plan, so they get applied to every business use case. For this reason, a data...
Do HttpClient and HttpClientHandler have to be disposed between requests?
...ager.IdleServicePointTimeoutCallback);
private static volatile TimerThread.Queue s_ServicePointIdlingQueue = TimerThread.GetOrCreateQueue(100000);
private static void IdleServicePointTimeoutCallback(TimerThread.Timer timer, int timeNoticed, object context)
{
ServicePoint servicePoint = (ServicePo...
Why use AJAX when WebSockets is available?
...o make when you’re designing reconnection logic and offline notification queues, but the actual notification is both easy to code and performant with websockets.
– Myst
Feb 8 '18 at 21:04
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
...
Interestingly enough, most cloud-based queues don't even support payloads of 100KB, so this is something that will need to be taken into account by many apps in the future.
– Udi Dahan
Oct 23 '09 at 19:19
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